diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
new file mode 100644
index 00000000..5cbfa8a9
--- /dev/null
+++ b/.github/workflows/python-package.yml
@@ -0,0 +1,39 @@
+name: Python package
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+  workflow_dispatch:
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.13]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Setup uv
+      uses: astral-sh/setup-uv@v6
+    - name: Install deps
+      run: |
+        uv sync --only-group tests
+        uv pip install coveralls
+    - uses: astral-sh/ruff-action@v3
+      with:
+        args: check
+    - name: Run tests
+      env:
+        GITHUB_TOKEN: ${{ secrets.github_token }}
+      run: |
+        uv run coverage run -m pytest
+        uv run coveralls --service=github
diff --git a/.gitignore b/.gitignore
index 871fd181..40cd21e0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,11 @@
-.project
-.pydevproject
 .idea
-.tox
+.cache
+*.pyc
+*.pyo
+*.egg-info
 __pycache__
-/data/media/
-/data/db/
-/settings/prod.py
\ No newline at end of file
+wscaff.yml
+state/
+venv/
+support/
+env_production.py
diff --git a/AUTHORS.md b/AUTHORS.md
new file mode 100644
index 00000000..6f2febbe
--- /dev/null
+++ b/AUTHORS.md
@@ -0,0 +1,7 @@
+# Над PYTHONZ работали
+
+* Игорь 'idle sign' Стариков <https://github.com/idlesign/>
+* Руслан Насонов <https://github.com/rusnasonov>
+* Andrew Kolechko <https://github.com/AnkoII>
+* alexey polusov <https://github.com/lectricas>
+* Gapon Aleksandra <https://github.com/gaponsasha>
diff --git a/AUTHORS.rst b/AUTHORS.rst
deleted file mode 100644
index a37a6223..00000000
--- a/AUTHORS.rst
+++ /dev/null
@@ -1,9 +0,0 @@
-Над PYTHONZ работали
-====================
-
-
-* Игорь ``идле сигн`` Стариков <https://github.com/idlesign/>
-
-  Идея, код, оформление.
-
-
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 00000000..220a7fa0
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,19 @@
+FROM ubuntu:24.04
+
+RUN apt update && \
+    apt upgrade -y
+
+RUN apt install -y  \
+    curl libpq-dev python3-dev build-essential libjpeg-dev  \
+    libxml2-dev libxslt1-dev  \
+    libpcre3-dev libssl-dev
+
+# add uv
+ADD https://astral.sh/uv/install.sh /uv-installer.sh
+RUN sh /uv-installer.sh && rm /uv-installer.sh
+ENV PATH="/root/.local/bin/:$PATH"
+
+ADD . /app
+WORKDIR /app
+
+RUN ./bootstrap.sh
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 00000000..0ad25db4
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,661 @@
+                    GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
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+software and other kinds of works, specifically designed to ensure
+cooperation with the community in the case of network server software.
+
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+to take away your freedom to share and change the works.  By contrast,
+our General Public Licenses are intended to guarantee your freedom to
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+
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+to the third party based on the extent of your activity of conveying
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+parties who would receive the covered work from you, a discriminatory
+patent license (a) in connection with copies of the covered work
+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Remote Network Interaction; Use with the GNU General Public License.
+
+  Notwithstanding any other provision of this License, if you modify the
+Program, your modified version must prominently offer all users
+interacting with it remotely through a computer network (if your version
+supports such interaction) an opportunity to receive the Corresponding
+Source of your version by providing access to the Corresponding Source
+from a network server at no charge, through some standard or customary
+means of facilitating copying of software.  This Corresponding Source
+shall include the Corresponding Source for any work covered by version 3
+of the GNU General Public License that is incorporated pursuant to the
+following paragraph.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the work with which it is combined will remain governed by version
+3 of the GNU General Public License.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU Affero General Public License from time to time.  Such new versions
+will be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU Affero General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU Affero General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU Affero General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published
+    by the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source.  For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code.  There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<https://www.gnu.org/licenses/>.
diff --git a/README.md b/README.md
new file mode 100644
index 00000000..d18d5661
--- /dev/null
+++ b/README.md
@@ -0,0 +1,69 @@
+# PYTHONZ
+
+https://github.com/idlesign/pythonz
+
+## Что это
+
+Здесь ведётся разработка проекта https://pythonz.net.
+
+Это площадка для русскоязычного сообщества людей, создающих приложения при помощи
+языка программирования Python, и попытка заинтересовать тех, кто ещё не знаком с ним.
+
+Проект разрабатывается открыто: вы можете ознакомиться с кодом и поучаствовать в развитии -
+поделиться идеей, задать вопрос, расширить функциональность, исправить ошибку.
+
+Электронный адрес для контактов: `press@pythonz.net`
+
+
+## Участие в проекте
+
+Проект разрабатывается здесь, на GitHub - https://github.com/idlesign/pythonz
+
+Если вы заметили что-то странное в проекте, или знаете как его улучшить, пожалуйста,
+создайте новый инцидент в разделе Issues - https://github.com/idlesign/pythonz/issues
+
+Если вы обнаружили проблему безопасности, пожалуйста, не используйте раздел Issues,
+а ознакомьтесь с параграфом `Безопасность` ниже.
+
+
+## Безопасность
+
+В случае обнаружения проблемы безопасности в проекте, пожалуйста, сообщите о ней
+на адрес `security@pythonz.net` до обнародования.
+
+В письме желательно указать на место в коде, ответственное за уязвимость.
+
+Хорошо, если вы также приведёте пример эксплуатации найденной уязвимости.
+
+
+## Локальный запуск
+
+### Подготовка
+
+
+1. Переместитесь в корневую директорию проекта (содержит `pyproject.toml`);
+2. Выполнить `$ ./bootstrap.sh`.
+   В ходе выполнения будут установлены зависимости и инициализирована база данных.
+   В конце будет создана учётная запись администратора (логин и пароль - `admin`).
+
+* Созданное для проекта виртуальное окружение активируется обычным способом: `$ . .venv/bin/activate`;
+* В окружении используйте команду `$ pythonz` для управления приложением.
+  Запустите её без параметров, чтобы вывести список поддерживаемых действий.
+
+
+### Запуск приложения
+
+* Используйте команду `$ pythonz runserver` для запуска сервера разработки;
+* После запуска сервера, в браузере проект доступен по адресу http://localhost:8000/
+* Команда `$ pythonz uwsgi_run --noruntimes` позволяет запустить проект, используя полноценный uWSGI сервер.
+
+
+### Запуск тестов
+
+* Используйте команду `$ ./runtests.sh` для прогона имеющихся тестов.
+
+
+### Инспекция кода
+
+* Используйте команду `$ ruff check` для запуска инспекции кода.
+* Используйте команду `$ ruff check --fix`, чтобы попытаться исправить ошибки автоматически.
diff --git a/README.rst b/README.rst
deleted file mode 100644
index f909b66c..00000000
--- a/README.rst
+++ /dev/null
@@ -1,93 +0,0 @@
-PYTHONZ
-=======
-https://github.com/idlesign/pythonz
-
-.. image:: https://badges.gitter.im/Join%20Chat.svg
-     :alt: Обсудить на https://gitter.im/idlesign/pythonz
-     :target: https://gitter.im/idlesign/pythonz?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
-
-.. image:: https://requires.io/github/idlesign/pythonz/requirements.svg?branch=master
-     :target: https://requires.io/github/idlesign/pythonz/requirements/?branch=master
-     :alt: Состояние зависимостей
-
-
-
-Что это
--------
-
-Здесь ведётся разработка проекта http://pythonz.net.
-
-Это площадка для русскоязычного сообщества людей, создающих приложения при помощи
-языка программирования Python, и попытка заинтересовать тех, кто ещё не знаком с ним.
-
-Проект разрабатывается открыто: вы можете ознакомиться с кодом и поучаствовать в развитии -
-поделиться идеей, задать вопрос, расширить функциональность, исправить ошибку.
-
-Электронный адрес для контактов: press@pythonz.net
-
-
-Участие в проекте
------------------
-
-Проект разрабатывается здесь, на GitHub - https://github.com/idlesign/pythonz
-
-Если вы заметили что-то странное в проекте, или знаете как его улучшить, пожалуйста,
-создайте новый инцидент в разделе Issues - https://github.com/idlesign/pythonz/issues
-
-Если вы обнаружили проблему безопасности, пожалуйста, не используйте раздел Issues,
-а ознакомьтесь с параграфом ``Безопасность`` ниже.
-
-
-Безопасность
-------------
-
-В случае обнаружения проблемы безопасности в проекте, пожалуйста, сообщите о ней
-на адрес security@pythonz.net до обнародования.
-
-В письме желательно указать на место в коде, ответственное за уязвимость.
-
-Хорошо, если вы также приведёте пример эксплуатации найденной уязвимости.
-
-
-Зависимости
------------
-
-*База*
-
-* `Python 3.2+ <https://www.python.org/>`_
-* `Django 1.8.x <https://www.djangoproject.com/>`_
-
-
-*Пакеты*
-
-* `awesome-slugify <https://github.com/dimka665/awesome-slugify>`_
-* `Beautiful Soup <http://www.crummy.com/software/BeautifulSoup/>`_
-* `bleach <https://github.com/jsocol/bleach>`_
-* `Pillow <https://github.com/python-pillow/Pillow>`_
-* `pytz <http://pythonhosted.org/pytz>`_
-* `requests <https://github.com/kennethreitz/requests>`_
-* `twitter <https://github.com/sixohsix/twitter>`_
-
-
-*Приложения для Django*
-
-* `django-admirarchy <https://github.com/idlesign/django-admirarchy>`_
-* `django-datetime-widget <https://github.com/asaglimbeni/django-datetime-widget>`_
-* `django-debug-toolbar <https://github.com/django-debug-toolbar/django-debug-toolbar>`_
-* `django-etc <https://github.com/idlesign/django-etc>`_
-* `django-simple-history <https://github.com/treyhunner/django-simple-history>`_
-* `django-siteblocks <https://github.com/idlesign/django-siteblocks>`_
-* `django-sitecats <https://github.com/idlesign/django-sitecats>`_
-* `django-siteflags <https://github.com/idlesign/django-siteflags>`_
-* `django-sitegate <https://github.com/idlesign/django-sitegate>`_
-* `django-sitemessage <https://github.com/idlesign/django-sitemessage>`_
-* `django-sitemetrics <https://github.com/idlesign/django-sitemetrics>`_
-* `django-siteprefs <https://github.com/idlesign/django-siteprefs>`_
-* `django-xross <https://github.com/idlesign/django-xross>`_
-
-
-*Оформление*
-
-* `Twitter Bootstrap 3 <http://getbootstrap.com/>`_
-* `Foundation Icon Fonts 3 <http://zurb.com/playground/foundation-icon-fonts-3>`_
-* `Google Fonts <http://www.google.com/fonts/>`_
diff --git a/__init__.py b/__init__.py
deleted file mode 100644
index ca04bbe6..00000000
--- a/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-VERSION = (0, 10, 0)
diff --git a/apps/__init__.py b/apps/__init__.py
deleted file mode 100644
index 4a335869..00000000
--- a/apps/__init__.py
+++ /dev/null
@@ -1,2 +0,0 @@
-# Конфигурация лежит здесь:
-default_app_config = 'apps.config.PythonzAppsConfig'
diff --git a/apps/admin.py b/apps/admin.py
deleted file mode 100644
index 054da0af..00000000
--- a/apps/admin.py
+++ /dev/null
@@ -1,180 +0,0 @@
-from django import forms
-from django.contrib import admin
-from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
-from django.contrib.auth.forms import UserChangeForm as BaseUserChangeForm
-from django.contrib.auth.forms import UserCreationForm as BaseUserCreationForm
-from django.contrib.contenttypes.admin import GenericTabularInline
-from simple_history.admin import SimpleHistoryAdmin
-
-from admirarchy.toolbox import HierarchicalModelAdmin
-
-from .models import Book, Video, Event, User, Article, Place, Community, Discussion, Reference, Version, PartnerLink, \
-    Vacancy
-from .partners import get_partners_choices
-from .forms.forms import BookForm
-
-
-##################################################################################
-# Делаем возможным редактировение пользователей (модель изменена нами) в административной части.
-# Пользователи отобразятся в разделе текущего приложения.
-# Взято из http://stackoverflow.com/a/17496836/308265
-
-
-class UserChangeForm(BaseUserChangeForm):
-
-    class Meta(BaseUserChangeForm.Meta):
-        model = User
-
-
-class UserCreationForm(BaseUserCreationForm):
-
-    class Meta(BaseUserCreationForm.Meta):
-        model = User
-
-    def clean_username(self):
-        username = self.cleaned_data['username']
-        try:
-            User.objects.get(username=username)
-        except User.DoesNotExist:
-            return username
-        raise forms.ValidationError(self.error_messages['duplicate_username'])
-
-
-class UserAdmin(BaseUserAdmin):
-
-    form = UserChangeForm
-    add_form = UserCreationForm
-    list_display = BaseUserAdmin.list_display + ('is_active',)
-
-    fieldsets = BaseUserAdmin.fieldsets + ((None, {'fields': (
-            'comments_enabled',
-            'digest_enabled',
-            'disqus_shortname',
-            'disqus_category_id',
-            'timezone',
-            'url',
-            'email_public'
-    )}),)
-
-admin.site.register(User, UserAdmin)
-
-
-##################################################################################
-# Партнёрские ссылки.
-#
-
-
-class PartnerLinkForm(forms.ModelForm):
-
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-
-        field = self.fields['partner_alias']
-        field.widget = forms.fields.Select(choices=get_partners_choices())
-
-    class Meta:
-        model = PartnerLink
-        fields = '__all__'
-
-
-class PartnerLinkInline(GenericTabularInline):
-
-    model = PartnerLink
-    form = PartnerLinkForm
-    extra = 0
-
-
-##################################################################################
-
-class PlaceAdmin(admin.ModelAdmin):
-
-    list_display = ('geo_title', 'title', 'status', 'time_created')
-    search_fields = ['title', 'geo_title']
-    list_filter = ['time_created', 'status', 'geo_type']
-    ordering = ['geo_title']
-
-admin.site.register(Place, PlaceAdmin)
-
-
-class VacancyAdmin(admin.ModelAdmin):
-
-    list_display = ('title', 'src_id', 'status', 'time_created')
-    search_fields = ['title', 'src_id']
-    list_filter = ['status', 'place']
-    ordering = ['-time_created']
-
-admin.site.register(Vacancy, VacancyAdmin)
-
-
-class EntityBaseAdmin(SimpleHistoryAdmin):
-
-    list_display = ('time_created', 'title', 'submitter',)
-    raw_id_fields = ('submitter',)
-    search_fields = ['title', 'description']
-    list_filter = ['time_created', 'status']
-    ordering = ['-time_created']
-
-
-class ArticleAdmin(EntityBaseAdmin):
-
-    list_display = ('time_created', 'title', 'submitter', 'source', 'published_by_author')
-    list_filter = ['time_created', 'status', 'source', 'published_by_author']
-
-admin.site.register(Article, ArticleAdmin)
-
-
-class BookAdmin(EntityBaseAdmin):
-
-    inlines = [PartnerLinkInline]
-    form = BookForm
-
-    list_display = ('time_created', 'title', 'submitter', 'isbn')
-    search_fields = ['title', 'isbn']
-
-admin.site.register(Book, BookAdmin)
-
-
-class CommunityAdmin(EntityBaseAdmin):
-
-    search_fields = ['title', 'description', 'text']
-
-admin.site.register(Community, CommunityAdmin)
-
-
-class DiscussionAdmin(EntityBaseAdmin):
-
-    search_fields = ['title', 'description', 'text']
-
-admin.site.register(Discussion, DiscussionAdmin)
-
-
-class EventAdmin(EntityBaseAdmin):
-
-    list_display = ('time_created', 'title', 'submitter', 'type', 'specialization')
-    search_fields = ['title', 'description', 'text']
-    list_filter = ['time_created', 'status', 'type', 'specialization']
-
-admin.site.register(Event, EventAdmin)
-
-
-class VideoAdmin(EntityBaseAdmin):
-
-    pass
-
-admin.site.register(Video, VideoAdmin)
-
-
-class ReferenceAdmin(HierarchicalModelAdmin, EntityBaseAdmin):
-
-    hierarchy = True
-    list_display = ('title', 'submitter', 'type')
-    list_filter = ['time_created', 'status', 'type', 'version_added', 'version_deprecated']
-
-admin.site.register(Reference, ReferenceAdmin)
-
-
-class VersionAdmin(EntityBaseAdmin):
-
-    list_display = ('title', 'current')
-
-admin.site.register(Version, VersionAdmin)
diff --git a/apps/config.py b/apps/config.py
deleted file mode 100644
index 5d0a7e13..00000000
--- a/apps/config.py
+++ /dev/null
@@ -1,13 +0,0 @@
-from django.apps import AppConfig
-
-
-class PythonzAppsConfig(AppConfig):
-    """Конфигурация прриложений pythonz."""
-
-    name = 'apps'
-    verbose_name = 'Сущности pythonz'
-
-    def ready(self):
-        from apps.realms import get_realms
-        for realm in get_realms().values():
-            realm.model.realm = realm  # Привязываем область к моделям, она понадобится для вычисления URL.
diff --git a/apps/forms/__init__.py b/apps/forms/__init__.py
deleted file mode 100644
index 01da5cf1..00000000
--- a/apps/forms/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-__author__ = 'idle'
diff --git a/apps/generics/forms.py b/apps/generics/forms.py
deleted file mode 100644
index 4db691e3..00000000
--- a/apps/generics/forms.py
+++ /dev/null
@@ -1,51 +0,0 @@
-from datetime import datetime
-
-from django import forms
-from django.forms.widgets import CheckboxInput
-
-from ..models import Article
-from ..forms.widgets import RstEditWidget
-
-
-class CommonEntityForm(forms.ModelForm):
-    """Базовый класс для форм создания/редактирования сущностей."""
-
-    def clean_year(self):
-        year = self.cleaned_data['year'].strip()
-        if year:
-            if len(year) != 4 or not year.isdigit() or not (1900 < int(year) <= datetime.now().year):
-                raise forms.ValidationError('Такой год не похож на правду.')
-        return year
-
-
-class RealmEditBaseForm(CommonEntityForm):
-    """Базовый класс для форм создания/редактирования сущностей, принадлежащим областям."""
-
-    def __init__(self, *args, user=None, **kwargs):
-        super().__init__(*args, **kwargs)
-
-        if self._meta.model is not Article:  # Запрещаем управлять статусом везде, кроме Статей.
-            if user is not None:
-                if not user.is_superuser and not user.is_staff:
-                    try:
-                        del self.fields['status']
-                    except KeyError:  # Нет такого поля на форме.
-                        pass
-
-        instance = kwargs.get('instance', None)
-        for field_name in self.fields:
-            fld = self.fields[field_name]
-
-            if field_name == 'description':
-                fld.widget = forms.Textarea(attrs={'rows': 3})
-            elif field_name == 'text_src':
-                fld.widget = RstEditWidget(attrs={'rows': 12})
-
-            # Эти изменения нужны для стилизации форм.
-            if isinstance(self.fields[field_name].widget, CheckboxInput):
-                self.fields[field_name].is_checkbox = True
-            fld.widget.attrs['class'] = 'form-control input-sm'
-
-            # Эти связи потребуются в некоторых виджетах.
-            fld.widget.model = instance
-            fld.widget.field_name = field_name
diff --git a/apps/generics/models.py b/apps/generics/models.py
deleted file mode 100644
index 51cbe5ca..00000000
--- a/apps/generics/models.py
+++ /dev/null
@@ -1,537 +0,0 @@
-import os
-import re
-from uuid import uuid4
-
-from bleach import clean
-from slugify import Slugify, CYRILLIC
-from siteflags.models import ModelWithFlag
-from django.core.cache import cache
-from django.core.urlresolvers import reverse
-from django.db import models
-from django.conf import settings
-from django.utils import timezone
-from django.utils.functional import cached_property
-from django.utils.text import Truncator
-
-from ..signals import sig_entity_new, sig_entity_published, sig_support_changed
-
-
-USER_MODEL = getattr(settings, 'AUTH_USER_MODEL')
-SLUGIFIER = Slugify(pretranslate=CYRILLIC, to_lower=True, safe_chars='-._', max_length=200)
-
-
-class ModelWithAuthorAndTranslator(models.Model):
-    """Класс-примесь для моделей, требующих поля с автором и переводчиком."""
-
-    _hint_userlink = '<br><b>[u:<ид>:<имя>]</b> формирует ссылку на профиль пользователя pythonz. Например: [u:1:идле].'
-
-    author = models.CharField(
-        'Автор', max_length=255,
-    help_text='Предпочтительно имя и фамилия. Можно указать несколько, разделяя запятыми.%s' % _hint_userlink)
-
-    translator = models.CharField(
-        'Перевод', max_length=255, blank=True, null=True,
-        help_text=('Укажите переводчиков, если материал переведён на русский с другого языка. '
-                   'Если переводчик неизвестен, можно указать главного редактора.%s' % _hint_userlink))
-
-    class Meta:
-        abstract = True
-
-
-class ModelWithCompiledText(models.Model):
-    """Класс-примесь для моделей, требующих поля, содержащие тексты в rst."""
-
-    text = models.TextField('Текст')
-    text_src = models.TextField('Исходный текст')
-
-    RE_CODE = re.compile('\.{2}\s*code::\s*([^\n]+)\n\n(.+?)\n{3}(?=\S)', re.S)
-    RE_GIST = re.compile('\.{2}\s*gist::\s*([^\n]+)\n', re.S)
-    RE_PODSTER = re.compile('\.{2}\s*podster::\s*([^\n]+)[/]*\n', re.S)
-    RE_ACCENT = re.compile('`{2}([^`\n]+)`{2}')
-    RE_QUOTE = re.compile('`{3}\n+([^`]+)\n+`{3}')
-    RE_BOLD = re.compile('\*{2}([^*\n]+)\*{2}')  # todo 2 ** 10d
-    RE_ITALIC = re.compile('\*([^*\n]+)\*')
-    RE_URL = re.compile('(?<!["])(http[s]*[^\s\)]+)')
-    RE_URL_WITH_TITLE = re.compile('`([^\[]+)\n*\[([^\]]+)\]`_')
-
-    class Meta:
-        abstract = True
-
-    @classmethod
-    def compile_text(cls, text):
-        """Преобразует rst-подобное форматичрование в html.
-
-        :param text:
-        :return:
-        """
-        from ..utils import url_mangle
-        href_replacer = lambda match: ('<a href="%s" target="_blank">%s</a>' %
-                                       (match.group(1), url_mangle(match.group(1))))
-
-        # Заменяем некоторые символы для правила RE_URL_WITH_TITLE, чтобы их не устранил bleach.
-        text = text.replace('<ht', '[ht')
-        text = text.replace('>`', ']`')
-
-        text = clean(text)
-
-        text = text.replace('\r\n', '\n')
-        text = re.sub(cls.RE_BOLD, '<b>\g<1></b>', text)
-        text = re.sub(cls.RE_ITALIC, '<i>\g<1></i>', text)
-        text = re.sub(cls.RE_QUOTE, '<blockquote>\g<1></blockquote>', text)
-        text = re.sub(cls.RE_ACCENT, '<code>\g<1></code>', text)
-        text = re.sub(cls.RE_CODE, '<pre><code class="\g<1>">\n\g<2>\n</code></pre>\n', text)
-        text = re.sub(cls.RE_URL_WITH_TITLE, '<a href="\g<2>" target="_blank">\g<1></a>', text)
-        text = re.sub(cls.RE_GIST, '<script src="https://gist.github.com/\g<1>.js"></script>', text)
-        text = re.sub(
-            cls.RE_PODSTER,
-            '<iframe width="100%" height="85" src="\g<1>/embed/13?link=1" frameborder="0" allowtransparency="true">'
-            '</iframe>',
-            text
-        )
-        text = re.sub(cls.RE_URL, href_replacer, text)
-
-        text = text.replace('\n', '<br>')
-        return text
-
-    def save(self, *args, **kwargs):
-        self.text = self.compile_text(self.text_src)
-        super().save(*args, **kwargs)
-
-
-def get_upload_to(instance, filename):
-    """Вычисляет директорию, в которую будет загружена обложка сущности.
-
-    :param instance:
-    :param filename:
-    :return:
-    """
-    category = getattr(instance, 'COVER_UPLOAD_TO')
-    return os.path.join('img', category, 'orig', '%s%s' % (uuid4(), os.path.splitext(filename)[-1]))
-
-
-class CommonEntityModel(models.Model):
-    """Базовый класс для моделей сущностей."""
-
-    COVER_UPLOAD_TO = 'common'  # Имя категории (оно же имя директории) для хранения загруженных обложек.
-
-    title = models.CharField('Название', max_length=255, unique=True)
-    slug = models.CharField('Краткое имя для URL', max_length=200, null=True, blank=True, unique=True)
-    description = models.TextField('Описание', blank=False, null=False)
-    submitter = models.ForeignKey(USER_MODEL, related_name='%(class)s_submitters', verbose_name='Добавил')
-    cover = models.ImageField('Обложка', max_length=255, upload_to=get_upload_to, null=True, blank=True)
-    year = models.CharField('Год', max_length=10, null=True, blank=True)
-
-    linked = models.ManyToManyField('self', verbose_name='Связанные объекты', blank=True,
-                                    help_text='Выберите объекты, имеющие отношение к данному.')
-
-    class Meta:
-        abstract = True
-
-    autogenerate_slug = False  # Следует ли автоматически генерировать краткое имя в транслите для URL.
-
-    def generate_slug(self):
-        """Генерирует краткое имя для URL и заполняет им атрибут slug.
-
-        :return:
-        """
-        return SLUGIFIER(self.title)
-
-    def save(self, *args, **kwargs):
-        """Перекрыт, чтобы привести заголовок в порядок.
-
-        :param args:
-        :param kwargs:
-        :return:
-        """
-        from ..utils import BasicTypograph
-
-        self.title = BasicTypograph.apply_to(self.title)
-        self.description = BasicTypograph.apply_to(self.description)
-
-        if self.autogenerate_slug:
-            self.slug = self.generate_slug()
-
-        super().save(*args, **kwargs)
-
-    def update_cover_from_url(self, url):
-        """Забирает обложку с указанного URL.
-
-        :param url:
-        :return:
-        """
-        from ..utils import get_image_from_url  # Потакаем поведению Django 1.7 при загрузке приложений.
-        img = get_image_from_url(url)
-        self.cover.save(img.name, img, save=False)
-
-    def get_linked(self):
-        """Возвращает связанные объекты.
-
-        :return:
-        """
-        return self.linked.all()
-
-    @classmethod
-    def get_paginator_objects(cls):
-        """Возвращает выборку объектов для постраничной навигации.
-        Должен быть реализован наследниками.
-
-        :return:
-        """
-        raise NotImplementedError()
-
-    @cached_property
-    def get_short_description(self):
-        """Возвращает усечённое описание сущности.
-
-        :return:
-        """
-        return Truncator(self.description).words(25)
-
-    def __str__(self):
-        return self.title
-
-
-class RealmsManager(models.Manager):
-    """Менеджер объектов областей."""
-
-    def published(self):
-        """Возвращает только опубликованные сущности.
-
-        :return:
-        """
-        return super(RealmsManager, self).get_queryset().filter(status=RealmBaseModel.STATUS_PUBLISHED)
-
-
-class RealmBaseModel(ModelWithFlag):
-    """Базовый класс для моделей, использующихся в областях (realms) сайта."""
-
-    STATUS_DRAFT = 1
-    STATUS_PUBLISHED = 2
-    STATUS_DELETED = 3
-    STATUS_ARCHIVED = 4
-
-    STATUSES = (
-        (STATUS_DRAFT, 'Черновик'),
-        (STATUS_PUBLISHED, 'Опубликован'),
-        (STATUS_DELETED, 'Удален'),
-        (STATUS_ARCHIVED, 'В архиве'),
-    )
-
-    FLAG_STATUS_BOOKMARK = 1  # Фильтр флагов-закладок.
-    FLAG_STATUS_SUPPORT = 2  # Фильтр флагов-голосов-поддержки.
-
-    objects = RealmsManager()
-
-    time_created = models.DateTimeField('Дата создания', auto_now_add=True, editable=False)
-    time_published = models.DateTimeField('Дата публикации', null=True, editable=False)
-    time_modified = models.DateTimeField('Дата редактирования', null=True, editable=False)
-    status = models.PositiveIntegerField('Статус', choices=STATUSES, default=STATUS_DRAFT)
-    supporters_num = models.PositiveIntegerField('Поддержка', default=0)
-
-    last_editor = models.ForeignKey(
-        USER_MODEL, verbose_name='Редактор', related_name='%(class)s_editors', null=True, blank=True,
-        help_text='Пользователь, последним отредактировавший объект.')
-
-    class Meta:
-        abstract = True
-
-    realm = None  # Во время исполнения здесь будет объект области (Realm).
-    items_per_page = 10  # Количество объектов для вывода на страницах списков.
-    edit_form = None  # Во время исполнения здесь будет форма редактирования.
-    notify_on_publish = True  # Следует ли оповещать внешние системы о публикации сущности.
-    paginator_related = ['submitter']
-
-    def mark_unmodified(self):
-        """Используется для того, чтобы при следующем вызове save()
-        объекта он не считался изменённым.
-
-        :return:
-        """
-        self._consider_modified = False
-
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-        self._consider_modified = True  # Указывает на то, нужно ли при сохранении устанавливать время изменения
-        self._status_backup = self.status
-
-    def save(self, *args, **kwargs):
-        """Перекрыт, чтобы можно было отследить флаг модифицированности объекта
-        и выставить время модификации соответствующим образом.
-
-        :param args:
-        :param kwargs:
-        :return:
-        """
-        initial_pk = self.pk
-        just_published = False
-
-        now = timezone.now()
-
-        if self._status_backup != self.status:
-            # Если сохраняем с переходом статуса, наивно полагаем объект немодифицированным.
-            self._consider_modified = False
-            if self.status == self.STATUS_PUBLISHED:
-                setattr(self, 'time_published', now)
-                just_published = True
-
-        if self._consider_modified:
-            setattr(self, 'time_modified', now)
-        else:
-            self._consider_modified = True
-        super().save(*args, **kwargs)
-
-        try:
-            if not initial_pk and self.pk:
-                sig_entity_new.send(self.__class__, entity=self)
-        except AttributeError:
-            pass  # Пропускаем модели, в которых нет нужных атрибутов.
-
-        try:
-            if just_published:
-                sig_entity_published.send(self.__class__, entity=self)
-        except AttributeError:
-            pass  # Пропускаем модели, в которых нет нужных атрибутов.
-
-    @classmethod
-    def get_actual(cls):
-        """Возвращает выборку актуальных объектов.
-
-        :return:
-        """
-        return cls.objects.published().order_by('-time_published').all()
-
-    @classmethod
-    def get_paginator_objects(cls):
-        """Возвращает выборку для постраничной навигации.
-
-        :return:
-        """
-        qs = cls.objects.published()
-        if cls.paginator_related:
-            qs = qs.select_related(*cls.paginator_related)
-        qs = qs.order_by('-time_created')
-
-        return qs
-
-    @classmethod
-    def cache_get_key_most_voted_objects(cls, category=None, class_name=None):
-        """Возвращает ключ кеша, содержащего наиболее популярные материалы раздела.
-
-        :param category:
-        :param class_name:
-        :return:
-        """
-        if class_name is None:
-            class_name = cls.__name__
-        return 'most_voted|%s|%s' % (class_name, category)
-
-    @classmethod
-    def get_most_voted_objects(cls, category=None, base_query=None):
-        """Возвращает наиболее популярные материалы раздела (и, опционально, категории в нём).
-
-        :param category:
-        :param base_query:
-        :return:
-        """
-        cache_key = cls.cache_get_key_most_voted_objects(category=category)
-        objects = cache.get(cache_key)
-
-        if objects is None:
-
-            if base_query is None:
-                base_query = cls.objects.published()
-
-            query = base_query.filter(supporters_num__gt=0)
-            query = query.select_related('submitter').order_by('-supporters_num')
-            objects = query.all()[:5]
-
-            cache.set(cache_key, objects, 86400)
-
-        return objects
-
-    @classmethod
-    def cache_delete_most_voted_objects(cls, **kwargs):
-        """Очищает кеш наиболее популярных материлов раздела.
-        :param kwargs:
-        :return:
-        """
-        # TODO Не инвалидирует кеш в категориях раздела. При случае решить, а нужно ли вообще.
-        cache.delete(cls.cache_get_key_most_voted_objects(class_name=kwargs['sender']))
-
-    def is_draft(self):
-        """Возвращает булево указывающее на то, является ли сущность черновиком.
-
-        :return:
-        """
-        return self.status == self.STATUS_DRAFT
-
-    def is_deleted(self):
-        """Возвращает булево указывающее на то, помечена ли сущность удаленной.
-
-        :return:
-        """
-        return self.status == self.STATUS_DRAFT
-
-    def is_published(self):
-        """Возвращает булево указывающее на то, опубликована ли сущность.
-
-        :return:
-        """
-        return self.status == self.STATUS_PUBLISHED
-
-    def is_supported_by(self, user):
-        """Возвращает указание на то, поддерживает ли данный пользователь данную сущность.
-
-        :param user:
-        :return:
-        """
-        return self.is_flagged(user, status=self.FLAG_STATUS_SUPPORT)
-
-    @classmethod
-    def get_category_objects_base_query(cls, category):
-        """Возвращает базовый QuerySet выборки объектов в указанной категории.
-
-        :param category:
-        :return:
-        """
-        return cls.get_from_category_qs(category).filter(status=RealmBaseModel.STATUS_PUBLISHED).select_related(
-            'submitter')
-
-    @classmethod
-    def get_most_voted_objects_in_category(cls, category):
-        """Возвращает наиболее популярные объекты из указанной категории.
-
-        :param category:
-        :return:
-        """
-        return cls.get_most_voted_objects(category=category, base_query=cls.get_category_objects_base_query(category))
-
-    @classmethod
-    def get_objects_in_category(cls, category):
-        """Возвращает объекты из указанной категории.
-
-        :param category:
-        :return:
-        """
-        return cls.get_category_objects_base_query(category).order_by('-time_published')
-
-    def set_support(self, user):
-        """Устанавливает флаг поддержки данным пользователем данной сущности.
-
-        :param user:
-        :return:
-        """
-        self.supporters_num += 1
-        self.set_flag(user, status=self.FLAG_STATUS_SUPPORT)
-        self.mark_unmodified()
-        self.save()
-
-        sig_support_changed.send(self.__class__.__name__)
-
-    def remove_support(self, user):
-        """Убирает флаг поддержки данным пользователем данной сущности.
-
-        :param user:
-        :return:
-        """
-        self.supporters_num -= 1
-        self.remove_flag(user, status=self.FLAG_STATUS_SUPPORT)
-        self.mark_unmodified()
-        self.save()
-
-        sig_support_changed.send(self.__class__.__name__)
-
-    def get_suppport_for_objects(self, objects_list, user):
-        """Возвращает данные о поддержке пользователем(ями) указанного набора сущностей.
-
-        :param objects_list:
-        :param user:
-        :return:
-        """
-        return self.get_flags_for_objects(objects_list, user=user)
-
-    def is_bookmarked_by(self, user):
-        """Возвращает указание на то, добавил ли данный пользователь данную сущность в избранное.
-
-        :param user:
-        :return:
-        """
-        return self.is_flagged(user, status=self.FLAG_STATUS_BOOKMARK)
-
-    def set_bookmark(self, user):
-        """Добавляет данную сущность в избранные для данного пользователя.
-
-        :param user:
-        :return:
-        """
-        self.set_flag(user, status=self.FLAG_STATUS_BOOKMARK)
-
-    def remove_bookmark(self, user):
-        """Убирает данную сущность из избранного данного пользователя.
-
-        :param user:
-        :return:
-        """
-        self.remove_flag(user, status=self.FLAG_STATUS_BOOKMARK)
-
-    @classmethod
-    def get_verbose_name(cls):
-        """Возвращает человекоудобное название типа объекта в ед. числе.
-
-        :return:
-        """
-        return cls._meta.verbose_name
-
-    @classmethod
-    def get_verbose_name_plural(cls):
-        """Возвращает человекоудобное название типа объекта во мн. числе.
-
-        :return:
-        """
-        return cls._meta.verbose_name_plural
-
-    def was_edited(self):
-        """Возвращает флаг, указывающий на то, был ли объект отредактирован
-        (различаются ли даты создания и редактирования).
-
-        :return:
-        """
-        format_date = lambda date: date.strftime('%Y%m%d%H%i')
-        return self.time_modified and format_date(self.time_modified) != format_date(self.time_created)
-
-    def get_absolute_url(self, with_prefix=False, hash_chunk=None):
-        """Возвращает URL страницы с детальной информацией об объекте.
-
-        :param bool with_prefix: Флаг. Следует ли добавлять название хоста к URL.
-        :param None|str hash_chunk: Хэш идентификатор для URL.
-            Используются, например в качестве меток источников переходов по URL
-            при сборе статистики посещений.
-        :return:
-        """
-        details_urlname = self.realm.get_details_urlname()
-
-        id_attr = getattr(self, 'slug', None)
-
-        if id_attr:
-            details_urlname += '_slug'
-        else:
-            id_attr = self.id
-
-        url = reverse(details_urlname, args=[str(id_attr)])
-
-        if with_prefix:
-            url = '%s%s' % (settings.SITE_URL, url)
-
-        if hash_chunk is not None:
-            url = '%s#%s' % (url, hash_chunk)
-
-        return url
-
-    def get_category_absolute_url(self, category):
-        """Возвращает URL страницы с разбивкой по данной категории.
-
-        :param category:
-        :return:
-        """
-        tmp, realm_name_plural = self.realm.get_names()
-        return reverse('%s:tags' % realm_name_plural, args=[str(category.id)])
diff --git a/apps/generics/realms.py b/apps/generics/realms.py
deleted file mode 100644
index 8f766eee..00000000
--- a/apps/generics/realms.py
+++ /dev/null
@@ -1,346 +0,0 @@
-import logging
-
-from sitetree.utils import item
-from django.conf.urls import patterns, url
-from django.core.urlresolvers import reverse
-from django.contrib.sitemaps import GenericSitemap
-from django.contrib.syndication.views import Feed
-
-from .views import ListingView, DetailsView, AddView, EditView, TagsView
-
-
-LOGGER = logging.getLogger('pythonz.realms')
-SYNDICATION_URL_MARKER = 'feed'
-
-
-class RealmBase(object):
-    """Базовый класс области (книга, видео и пр)"""
-
-    model = None  # Класс модели, связанный с областью
-    form = None  # Форма, связанная с областью.
-    icon = 'icon'  # Иконка, символизирующая область.
-
-    # Название области.
-    name = None  # Имя области. Ед.ч.
-    name_plural = None  # Имя области. Мн. ч.
-
-    # Имена доступных представлений.
-    allowed_views = ('listing', 'details', 'tags', 'add', 'edit')
-
-    # Слудет ли отображать на главной странице.
-    show_on_main = True
-
-    # Кеш элементов древа сайта для данной области.
-    sitetree_items = None
-
-    # Указывает на готовность области попасть в еженедельный дайджест.
-    ready_for_digest = True
-
-    # Код виджета для Яндекса.
-    yawidget_code = None
-
-    # Указание на то, доступна ли синдикация.
-    syndication_enabled = True
-
-    # URL синдикации.
-    syndication_url = None
-
-    # Кеш синдикации.
-    syndication_feed = None
-
-    # Указание на то, включена ли для области карта сайта.
-    sitemap_enabled = True
-
-    # Кеш карты сайта для данной области.
-    sitemap = None
-
-    # Поле даты в моделях области (для карты сайта).
-    sitemap_date_field = 'time_modified'
-
-    # Предполагаемая периодичность обновления данных (для карты сайта).
-    sitemap_changefreq = 'weekly'
-
-    txt_form_add = 'Добавить элемент'
-    txt_form_edit = 'Редактировать элемент'
-
-    # Представление списка.
-    view_listing = None
-    view_listing_base_class = ListingView
-    view_listing_url = r'^$'
-    view_listing_title = None
-    view_listing_description = ''
-    view_listing_keywords = ''
-
-    # Представление с детальной информацией.
-    view_details = None
-    view_details_base_class = DetailsView
-    view_details_url = r'^(?P<obj_id>\d+)/$'
-    view_details_slug_url = r'^named/(?P<obj_id>[A-z\.-]+)/$'
-
-    # Представление для добавления нового элемента.
-    view_add = None
-    view_add_base_class = AddView
-    view_add_url = r'^add/$'
-
-    # Представление для редактирования.
-    view_edit = None
-    view_edit_base_class = EditView
-    view_edit_url = r'^edit/(?P<obj_id>\d+)/$'
-
-    # Представление с разбивкой элементов по категориям.
-    view_tags = None
-    view_tags_base_class = TagsView
-    view_tags_url = r'^tags/(?P<category_id>\d+)/$'
-
-    @classmethod
-    def is_allowed_edit(cls):
-        """Возвращает флаг, указывающий на возможность редактирования объектов
-        в данной области.
-
-        :return:
-        """
-        return 'edit' in cls.allowed_views
-
-    @classmethod
-    def get_syndication_feed(cls):
-        """Возвращает объект потока синдикации (RSS).
-
-        :return:
-        """
-        if cls.syndication_feed is None:
-            from ..utils import get_thumb_url
-            name = cls.model._meta.verbose_name_plural
-            type_dict = {
-                'title': name,
-                'description': 'PYTHONZ. Новое в разделе «%s»' % name,
-                'item_enclosure_mime_type': 'image/png',
-                'item_enclosure_length': 50000,
-                'item_enclosure_url': lambda self, item: (
-                    get_thumb_url(cls, item.cover, 100, 131, absolute_url=True) if hasattr(item, 'cover') else ''),
-                'link': lambda self: reverse(cls.get_listing_urlname()),
-                'items': lambda self: cls.model.get_actual(),
-                'item_title': lambda self, item: item.title,
-                'item_link': lambda self, item: item.get_absolute_url(hash_chunk='fromrss'),
-                'item_description': lambda self, item: item.description,
-            }
-            cls.syndication_feed = type('%sSyndication' % cls.name, (Feed,), type_dict)()
-        return cls.syndication_feed
-
-    @classmethod
-    def get_sitemap(cls):
-        """Возвращает объект карты сайта (sitemap).
-
-        :return:
-        """
-        if cls.sitemap is None:
-            settings = {
-                'queryset': cls.model.get_actual(),
-                'date_field': cls.sitemap_date_field,
-            }
-            cls.sitemap = GenericSitemap(settings, priority=0.5, changefreq=cls.sitemap_changefreq)
-        return cls.sitemap
-
-    @classmethod
-    def get_listing_urlname(cls):
-        """Возвращает название URL страницы со списком объектов.
-
-        :return:
-        """
-        _tmp, realm_name_plural = cls.get_names()
-        return '%s:listing' % realm_name_plural
-
-    @classmethod
-    def get_sitetree_listing_item(cls):
-        """Возвращает элемент древа сайта, указывающий на страницу со списком объектов.
-
-        :return:
-        """
-        return item('Список', cls.get_listing_urlname(), description=cls.view_listing_description, in_menu=False)
-
-    @classmethod
-    def get_details_urlname(cls):
-        """Возвращает название URL страницы с детальной информацией об объекте.
-
-        :return:
-        """
-        _tmp, realm_name_plural = cls.get_names()
-        return '%s:details' % realm_name_plural
-
-    @classmethod
-    def get_sitetree_details_item(cls):
-        """Возвращает элемент древа сайта, указывающий на страницу с детальной информацией об объекте.
-
-        :return:
-        """
-        realm_name, realm_name_plural = cls.get_names()
-        children = []
-
-        if 'edit' in cls.allowed_views:
-            children.append(cls.get_sitetree_edit_item())
-
-        details_urlname = cls.get_details_urlname()
-
-        def get_item(urlname, id_attr='id'):
-            return item(
-                '{{ %s.title }}' % realm_name,
-                '%s %s.%s' % (urlname, realm_name, id_attr),  # Например books:details book.id
-                children=children,
-                in_menu=False,
-                in_sitetree=False
-            )
-
-        items = [get_item(details_urlname)]
-        if getattr(cls.model, 'autogenerate_slug', False):
-            items.append(get_item(details_urlname + '_slug', id_attr='slug'))
-
-        return items
-
-    @classmethod
-    def get_edit_urlname(cls):
-        """Возвращает название URL страницы редактирования объекта.
-
-        :return:
-        """
-        _tmp, realm_name_plural = cls.get_names()
-        return '%s:edit' % realm_name_plural
-
-    @classmethod
-    def get_sitetree_edit_item(cls):
-        """Возвращает элемент древа сайта, указывающий на страницу редактирования объекта.
-
-        :return:
-        """
-        realm_name, _tmp = cls.get_names()
-        return item(cls.txt_form_edit, '%s %s.id' % (cls.get_edit_urlname(), realm_name),
-                    in_menu=False, in_sitetree=False, access_loggedin=True)
-
-    @classmethod
-    def get_add_urlname(cls):
-        """Возвращает название URL страницы добавления объекта.
-
-        :return:
-        """
-        _tmp, realm_name_plural = cls.get_names()
-        return '%s:add' % realm_name_plural
-
-    @classmethod
-    def get_sitetree_add_item(cls):
-        """Возвращает элемент древа сайта, указывающий на страницу добавления объекта.
-
-        :return:
-        """
-        return item(cls.txt_form_add, cls.get_add_urlname(), access_loggedin=True)
-
-    @classmethod
-    def get_tags_urlname(cls):
-        """Возвращает название URL страницы со списком объектов в определённой категории.
-
-        :return:
-        """
-        _tmp, realm_name_plural = cls.get_names()
-        return '%s:tags' % realm_name_plural
-
-    @classmethod
-    def get_sitetree_tags_item(cls):
-        """Возвращает элемент древа сайта, указывающий на страницу разбивки объектов по метке (категории).
-
-        :return:
-        """
-        return item('Категория «{{ category.title }}»', '%s category.id' % cls.get_tags_urlname(),
-                    in_menu=False, in_sitetree=False)
-
-    @classmethod
-    def get_sitetree_items(cls):
-        """Возвращает элементы древа сайта.
-
-        :return:
-        """
-        if cls.sitetree_items is None:
-            children = []
-            for view_name in cls.allowed_views:
-                if view_name != 'edit':
-                    items = getattr(cls, 'get_sitetree_%s_item' % view_name)()
-                    if not isinstance(items, list):
-                        items = [items]
-                    children.extend(items)
-
-            cls.sitetree_items = item(
-                cls.view_listing_title or str(cls.model._meta.verbose_name_plural),
-                cls.get_listing_urlname(),
-                description=cls.view_listing_description,
-                children=children
-            )
-        return cls.sitetree_items
-
-    @classmethod
-    def get_names(cls):
-        """Возвращает кортеж с именами области в ед. и мн. числах.
-
-        :return:
-        """
-        if cls.name is None:
-            cls.name = cls.__name__.lower().replace('realm', '')
-
-        if cls.name_plural is None:
-            cls.name_plural = '%ss' % cls.name
-
-        return cls.name, cls.name_plural
-
-    @classmethod
-    def get_view(cls, name):
-        """Формирует и возвращает объект представления.
-
-        :param name:
-        :return:
-        """
-        view_attr_name = 'view_%s' % name
-        view = getattr(cls, view_attr_name)
-        if view is None:
-            realm_name, _ = cls.get_names()
-            base_view_class = getattr(cls, 'view_%s_base_class' % name)
-            class_dict = {
-                'realm': cls,
-                'name': name
-            }
-            view = type('%s%sView' % (realm_name.capitalize(), name.capitalize()), (base_view_class,), class_dict)
-            setattr(cls, view_attr_name, view)
-        return view
-
-    @classmethod
-    def get_syndication_url(cls):
-        """Возвращает URL потока синдикации (RSS).
-
-        :return:
-        """
-        if cls.syndication_url is None:
-            cls.syndication_url = reverse('%s:syndication' % cls.name_plural)
-        return cls.syndication_url
-
-    @classmethod
-    def get_urls(cls):
-        """Вовзвращает набор URL, актуальных для этой области.
-
-        :return:
-        """
-        views = ['']
-
-        def add_view(view_name, url_name=None):
-
-            if url_name is None:
-                url_name = view_name
-
-            views.append(
-                url(getattr(cls, 'view_%s_url' % url_name), cls.get_view(view_name).as_view(), name=url_name)
-            )
-
-        for view_name in cls.allowed_views:
-            add_view(view_name)
-
-            if view_name == 'details':
-                add_view(view_name, 'details_slug')
-
-        if cls.syndication_enabled:
-            views.append(url(r'^%s/$' % SYNDICATION_URL_MARKER, cls.get_syndication_feed(), name='syndication'))
-
-        _, realm_name_plural = cls.get_names()
-        return patterns('', url(r'^%s/' % realm_name_plural, (patterns(*views), realm_name_plural, realm_name_plural)))
diff --git a/apps/generics/views.py b/apps/generics/views.py
deleted file mode 100644
index 155ce874..00000000
--- a/apps/generics/views.py
+++ /dev/null
@@ -1,447 +0,0 @@
-from sitecats.utils import get_category_model
-from xross.toolbox import xross_view, xross_listener
-from django.utils.decorators import method_decorator
-from django.utils.functional import cached_property
-from django.views.generic.base import View
-from django.shortcuts import render, redirect, get_object_or_404, HttpResponse
-from django.contrib.auth.decorators import login_required
-from django.http import Http404
-from django.core.exceptions import PermissionDenied
-from django.core.paginator import Paginator, PageNotAnInteger, EmptyPage
-
-from .models import ModelWithCompiledText, RealmBaseModel
-from ..models import ModelWithDiscussions, ModelWithCategory, User, Discussion, Article, Community, Event, Reference
-from ..exceptions import RedirectRequired, PythonzException
-from ..shortcuts import message_warning, message_success, message_info, message_error
-from ..partners import get_partner_links
-
-
-class RealmView(View):
-    """Базовое представление для представлений областей (сущностей)."""
-
-    realm = None  # Во время исполнения будет содержать ссылку на объект области Realm
-    name = None  # Во время исполнения будет содержать алиас этого представления (н.п. edit).
-
-    def check_edit_permissions(self, request, item):
-        """Производит проверку прав пользователя для доступа к редактированию объекта.
-
-        :param Request request:
-        :param Model item:
-        :return:
-        """
-        if not self.realm.is_allowed_edit():  # Область не поддерживает редактирования.
-            raise PermissionDenied()
-
-        if not request.user.is_authenticated():  # Неавторизованные пользователи не могут ничего.
-            raise PermissionDenied()
-
-        if not request.user.is_superuser:
-
-            try:
-                edit_by_owner = (request.user == item.submitter)
-            except AttributeError:
-                edit_by_owner = (request.user == item)  # Модель User
-
-            if not edit_by_owner:
-                personal_edit_models = User, Article, Discussion
-                if self.realm.model in personal_edit_models:
-                    raise PermissionDenied()
-
-                # Запрещаем редактирование опубликованных материалов.
-                public_edit_models = Community, Event, Reference
-                if item.is_published() and self.realm.model not in public_edit_models:
-                    message_warning(
-                        request, 'Этот материал уже прошёл модерацию и был опубликован. '
-                                 'На данный момент в проекте запрещено редактирование опубликованных материалов.')
-                    raise PermissionDenied()
-
-    @classmethod
-    def get_template_path(cls, name=None):
-        """Возвращает путь к шаблону страницы.
-
-        :return:
-        """
-        if name is None:
-            name = cls.name
-        return 'realms/%s/%s.html' % (cls.realm.name_plural, name)
-
-    def render(self, request, data_dict):
-        """Компилирует страницу представления.
-
-        :param request:
-        :param data_dict:
-        :return:
-        """
-        data_dict.update({
-            'realm': self.realm,
-            'view': self
-        })
-        return render(request, self.get_template_path(), data_dict)
-
-    def post(self, request, *args, **kwargs):
-        """Запросы POST перенаправляются на обработчик GET.
-
-        :param request:
-        :param args:
-        :param kwargs:
-        :return:
-        """
-        return self.get(request, *args, **kwargs)
-
-    def update_context(self, context, request):
-        """Используется для дополнения контекста шаблона данными.
-
-        :param dict context:
-        :param Request request:
-        :return:
-        """
-
-    # Поля связей по внешним ключам, котрые следует использовать.
-    get_object_related_fields = ['submitter', 'last_editor']
-
-    def get_object_or_404(self, obj_id):
-        """Реализует механизм обнаружения объекта нужного типа для области,
-        к которой привязано это представление.
-
-        :param obj_id:
-        :return:
-        """
-
-        q = self.realm.model.objects.select_related(*self.get_object_related_fields)
-
-        try:
-            return get_object_or_404(q, pk=obj_id)
-        except ValueError:
-            return get_object_or_404(q, slug=obj_id)
-
-
-class ListingView(RealmView):
-    """Список объектов."""
-
-    def get_paginator_objects(self):
-        """Возвращает объекты для страницы при постраницчной навигации.
-
-        :return:
-        """
-        return self.realm.model.get_paginator_objects()
-
-    def get_most_voted_objects(self):
-        """Возвращает объекты, за которые было отдано больше всего голосов.
-
-        :return:
-        """
-        return self.realm.model.get_most_voted_objects()
-
-    @classmethod
-    def extend_paginator(cls, page_items):
-        """Дополняет объект постраничной навигации.
-
-        :param page_items:
-        :return:
-        """
-        max_pages_before_after = 10
-        page = page_items.number
-
-        min_page_before = page-max_pages_before_after
-        if min_page_before < 1:
-            min_page_before = 0
-
-        max_page_after = page+max_pages_before_after
-        if max_page_after > page_items.paginator.num_pages:
-            max_page_after = page_items.paginator.num_pages
-
-        page_items.before_current = reversed(range(page-1, min_page_before, -1))
-        page_items.after_current = range(page+1, max_page_after+1)
-
-    def get(self, request, category_id=None):
-        try:
-            page = int(request.GET.get('p'))
-        except (TypeError, ValueError):
-            page = 1
-
-        paginator = Paginator(self.get_paginator_objects(), self.realm.model.items_per_page)
-
-        try:
-            page_items = paginator.page(page)
-        except EmptyPage:
-            page_items = paginator.page(1)
-
-        self.extend_paginator(page_items)
-
-        category = None
-        if category_id is not None:
-            category = get_category_model().objects.get(pk=category_id)
-
-        context = {
-            self.realm.name_plural: page_items,
-            'items': page_items,
-            'category': category,
-            'items_most_voted': self.get_most_voted_objects()
-        }
-        self.update_context(context, request)
-
-        return self.render(request, context)
-
-    @cached_property
-    def template_list_items(self):
-        return self.get_template_path('list_items')
-
-
-class DetailsView(RealmView):
-    """Дательная информация об объекте."""
-
-    def _attach_support_data(self, item, request):
-        """Цепляет к объекту данные о поданном за него голосе пользователя.
-
-        :param item:
-        :param request:
-        :return:
-        """
-        item.my_support = item.is_supported_by(request.user)
-
-    def _attach_bookmark_data(self, item, request):
-        """Цепляет к объекту данные о его занесении его пользователем в избранное.
-
-        :param item:
-        :param request:
-        :return:
-        """
-        item.is_bookmarked = item.is_bookmarked_by(request.user)
-
-    def _attach_data(self, item, request):
-        """Цепляет базовый набор данный к объекту.
-
-        :param item:
-        :param request:
-        :return:
-        """
-        self._attach_bookmark_data(item, request)
-        self._attach_support_data(item, request)
-
-    def toggle_bookmark(self, request, action, xross=None):
-        """Используется xross. Реализует занесение/изъятие объекта в/из избранного..
-
-        :param request:
-        :param action:
-        :param xross:
-        :return:
-        """
-        item = xross.attrs['item']
-        if action == 1:
-            item.set_bookmark(self.request.user)
-        elif action == 0:
-            item.remove_bookmark(self.request.user)
-        self._attach_bookmark_data(item, self.request)
-        return render(self.request, 'sub_box_bookmark.html', {'item': item})
-
-    def set_rate(self, request, action, xross=None):
-        """Используется xross. Реализует оценку самого объекта.
-
-        :param request:
-        :param action:
-        :param xross:
-        :return:
-        """
-        item = xross.attrs['item']
-        if self._is_rating_allowed(request, item):
-            if action == 1:
-                item.set_support(self.request.user)
-            elif action == 0:
-                item.remove_support(self.request.user)
-        self._attach_support_data(item, self.request)
-        return render(self.request, 'sub_box_rating.html', {'item': item})
-
-    @classmethod
-    def _is_rating_allowed(cls, request, item):
-        """Возвращает флаг, указывающий на то, можно
-        ли рекомендовать данную сущность (материал).
-
-        :param request:
-        :param item:
-        :return:
-        """
-        return request.user != item  # Пользователи не могут рекомендовать себя %)
-
-    def list_partner_links(self, request, xross=None):
-        """Используется xross. Реализует получение блока с партнёрскими ссылками.
-
-        :param request:
-        :param action:
-        :param xross:
-        :return:
-        """
-        item = xross.attrs['item']
-        return render(request, self.get_template_path('partner_links'), get_partner_links(self.realm, item))
-
-    @xross_view(set_rate, toggle_bookmark, list_partner_links)
-    def get(self, request, obj_id):
-
-        item = self.get_object_or_404(obj_id)
-
-        if not request.user.is_superuser:
-            if item.is_deleted():
-                # Запрещаем доступ к удалённым.
-                raise Http404()
-
-            elif item.is_draft() and hasattr(item, 'submitter') and item.submitter != request.user:
-                # Закрываем доступ к чужим черновикам.
-                raise PermissionDenied()
-
-        item.has_discussions = False
-
-        if isinstance(item, ModelWithDiscussions):
-            item.has_discussions = True
-
-        xross_listener(item=item)
-
-        try:
-            self._attach_data(item, request)
-        except RedirectRequired:
-            return redirect(item, permanent=True)
-
-        item_rating_allowed = self._is_rating_allowed(request, item)
-
-        try:
-            self.check_edit_permissions(request, item)
-            item_edit_allowed = True
-        except PermissionDenied:
-            item_edit_allowed = False
-
-        if isinstance(item, ModelWithCategory):
-            item.has_categories = True
-            item.set_category_lists_init_kwargs({'show_title': True, 'cat_html_class': 'label label-default'})
-
-        # Нарочно передаём item под двумя разными именами.
-        # Требуется для упрощения наслования шаблонов.
-        context = {
-            self.realm.name: item,
-            'item': item,
-            'item_edit_allowed': item_edit_allowed,
-            'item_rating_allowed': item_rating_allowed
-        }
-        self.update_context(context, request)
-        return self.render(request, context)
-
-
-class TagsView(ListingView):
-    """Список меток (категорий) для объекта."""
-
-    def get_paginator_objects(self):
-        return self.realm.model.get_objects_in_category(self.kwargs['category_id'])
-
-    def get_most_voted_objects(self):
-        return self.realm.model.get_most_voted_objects_in_category(self.kwargs['category_id'])
-
-
-class EditView(RealmView):
-    """Редактирование (и добавление) объекта."""
-
-    @method_decorator(login_required)  # На страницах редактирования требуется атворизация.
-    def dispatch(self, request, *args, **kwargs):
-        return super().dispatch(request, *args, **kwargs)
-
-    def preview_rst(self, request, text_src, xross=None):
-        """Используется xross. Обрабатывает запрос на предварительный просмотр текста в формате rst.
-
-        :param request:
-        :param text_src:
-        :param xross:
-        :return:
-        """
-        item = xross.attrs['item']
-        if item is None or isinstance(item, ModelWithCompiledText):
-            return HttpResponse(ModelWithCompiledText.compile_text(text_src))
-
-    def update_context(self, context, request):
-        """Используется для дополнения контекста шаблона данными.
-
-        :param dict context:
-        :param Request request:
-        :return:
-        """
-
-    @xross_view(preview_rst)
-    def get(self, request, obj_id=None):
-        item = None
-
-        if obj_id is not None:
-            item = self.get_object_or_404(obj_id)
-
-        data = None
-        if 'pythonz_form' in request.POST:
-            data = request.POST
-
-        form = self.realm.form(data, request.FILES or None, instance=item, user=request.user)
-        if item is None:
-            form.submit_title = self.realm.txt_form_add
-        else:
-            self.check_edit_permissions(request, item)
-            form.submit_title = self.realm.txt_form_edit
-
-        xross_listener(item=item)
-
-        from sitecats.toolbox import get_category_aliases_under
-        if isinstance(item, ModelWithCategory):
-            item.has_categories = True
-            category_handled = item.enable_category_lists_editor(
-                request,
-                additional_parents_aliases=get_category_aliases_under(),
-                handler_init_kwargs={'error_messages_extra_tags': 'alert alert-danger'},
-                lists_init_kwargs={'show_title': True, 'cat_html_class': 'label label-default'},
-                editor_init_kwargs={
-                    'allow_add': True, 'allow_new': request.user.is_superuser, 'allow_remove': True,
-                }
-            )
-
-            if category_handled:  # Добавилась категория, перенаправим на эту же страницу.
-                return redirect(self.realm.get_edit_urlname(), item.id, permanent=True)
-
-        show_modetation_hint = self.realm.model not in (User, Article, Discussion, Community, Event)
-
-        if data is None:
-            if show_modetation_hint:
-                message_warning(
-                    request, 'Обратите внимание, что на данном этапе развития проекта добавляемые '
-                             'материалы проходят модерацию, прежде чем появиться на сайте.'
-                )
-
-        if item is None:
-            redirector = lambda: redirect(item, permanent=True)
-        else:
-            redirector = lambda: redirect(self.realm.get_edit_urlname(), item.id, permanent=True)
-
-        if form.is_valid():
-
-            try:
-                if item is None:
-                    form.instance.submitter = request.user
-                    item = form.save()
-                    message_success(request, 'Объект добавлен.')
-                    if show_modetation_hint:
-                        message_info(request, 'Данный объект появится на сайте после модерации.')
-                else:
-                    form.instance.last_editor = request.user
-                    form.save()
-                    message_success(request, 'Данные сохранены.')
-
-                return redirector()
-
-            except PythonzException as e:
-                message_error(request, e.message)
-
-        context = {'form': form, self.realm.name: item, 'item': item}
-
-        try:
-            self.update_context(context, request)
-        except RedirectRequired:
-            return redirector()
-
-        return self.render(request, context)
-
-
-class AddView(EditView):
-    """Добавление объекта."""
-
-    @classmethod
-    def get_template_path(cls, name=None):
-        return super().get_template_path('edit')
diff --git a/apps/management/commands/create_digest.py b/apps/management/commands/create_digest.py
deleted file mode 100644
index 41be5174..00000000
--- a/apps/management/commands/create_digest.py
+++ /dev/null
@@ -1,21 +0,0 @@
-from traceback import print_exc
-
-from django.core.management.base import BaseCommand
-
-from ...sitemessages import PythonzEmailDigest
-
-
-class Command(BaseCommand):
-
-    help = 'Created dispatches for pythonz weekly digest.'
-
-    def handle(self, *args, **options):
-
-        self.stdout.write('Creating pythonz digest...\n')
-        try:
-            PythonzEmailDigest.create()
-        except Exception as e:
-            self.stderr.write(self.style.ERROR('Digest creation failed: %s\n' % e))
-            print_exc()
-        else:
-            self.stdout.write('Digest is created.\n')
diff --git a/apps/management/commands/move_digest_subscriptions.py b/apps/management/commands/move_digest_subscriptions.py
deleted file mode 100644
index 0718dabc..00000000
--- a/apps/management/commands/move_digest_subscriptions.py
+++ /dev/null
@@ -1,34 +0,0 @@
-from traceback import print_exc
-
-from django.core.management.base import BaseCommand
-from sitemessage.models import Subscription
-
-from ...models import User
-
-
-class Command(BaseCommand):
-
-    help = 'Migrates digest subscriptions handling from pythonz to sitemessages'
-
-    def handle(self, *args, **options):
-
-        self.stdout.write('Starting migration ...\n')
-        try:
-            subscribers = User.objects.filter(digest_enabled=True).values_list('id', flat=True)
-            targets = []
-            for subscriber in subscribers:
-                targets.append(Subscription(
-                    message_cls='digest',
-                    messenger_cls='smtp',
-                    recipient_id=subscriber
-                ))
-                self.stdout.write('User ID %s subscribed ...\n' % subscriber)
-
-            Subscription.objects.bulk_create(targets)
-
-        except Exception as e:
-            self.stderr.write(self.style.ERROR('Migration failed: %s\n' % e))
-            print_exc()
-
-        else:
-            self.stdout.write('All is done. Total subscribers: %s\n' % len(targets))
diff --git a/apps/management/commands/update_vacancies.py b/apps/management/commands/update_vacancies.py
deleted file mode 100644
index 99920cf5..00000000
--- a/apps/management/commands/update_vacancies.py
+++ /dev/null
@@ -1,22 +0,0 @@
-from traceback import print_exc
-
-from django.core.management.base import BaseCommand
-
-from ...models import Vacancy
-
-
-class Command(BaseCommand):
-
-    help = 'Updates vacancies from remote sources.'
-
-    def handle(self, *args, **options):
-
-        self.stdout.write('Updating vacancies...\n')
-        try:
-            Vacancy.update_statuses()
-            Vacancy.fetch_new()
-        except Exception as e:
-            self.stderr.write(self.style.ERROR('Vacancies fetching failed: %s\n' % e))
-            print_exc()
-        else:
-            self.stdout.write('Vacancies updated.\n')
diff --git a/apps/models.py b/apps/models.py
deleted file mode 100644
index cb7f1e16..00000000
--- a/apps/models.py
+++ /dev/null
@@ -1,907 +0,0 @@
-from collections import OrderedDict
-from django.db.models import Avg, Min, Max, Count
-
-import requests
-from etc.models import InheritedModel
-from etc.toolbox import choices_list, get_choices
-from sitecats.models import ModelWithCategory
-from simple_history.models import HistoricalRecords
-from django.db import models, IntegrityError
-from django.conf import settings
-from django.contrib.auth.models import AbstractUser, UserManager
-from django.contrib.contenttypes.models import ContentType
-from django.contrib.contenttypes import generic
-from django.utils import timezone
-
-from .generics.models import CommonEntityModel, ModelWithCompiledText, ModelWithAuthorAndTranslator, RealmBaseModel
-from .exceptions import RemoteSourceError
-from .utils import scrape_page, HhVacancyManager, format_currency
-
-USER_MODEL = getattr(settings, 'AUTH_USER_MODEL')
-
-HINT_IMPERSONAL_REQUIRED = ('<strong>Без обозначения личного отношения. '
-                            'Личное отношение можно выразить во Мнениях.</strong>')
-
-
-class Discussion(InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithCategory, ModelWithCompiledText):
-    """Модель обсуждений. Пользователи могут обсудить желаемые темы и привязать обсужедние к сущности на сайте.
-    Фактически - форум.
-    """
-
-    object_id = models.PositiveIntegerField(verbose_name='ID объекта', db_index=True, null=True, blank=True)
-    content_type = models.ForeignKey(
-        ContentType, verbose_name='Тип содержимого', related_name='%(class)s_discussions', null=True, blank=True)
-
-    linked_object = generic.GenericForeignKey()
-
-    history = HistoricalRecords()
-
-    class Meta:
-        verbose_name = 'Обсуждение'
-        verbose_name_plural = 'Обсуждения'
-
-    class Fields:
-        text = 'Обсуждение'
-
-    def __unicode__(self):
-        return 'Обсуждение %s для %s %s' % (self.id, self.content_type, self.object_id)
-
-    def save(self, *args, **kwargs):
-        if not self.pk:
-            self.status = self.STATUS_PUBLISHED
-        super().save(*args, **kwargs)
-
-
-class ModelWithDiscussions(models.Model):
-    """Класс-примесь к моделям сущностей, для который разрешено оставление мнений."""
-
-    discussions = generic.GenericRelation(Discussion)
-
-    class Meta:
-        abstract = True
-
-
-class PartnerLink(models.Model):
-    """Модель партнёрских ссылок. Ссылки могут быть привязаны к любым сущностям сайта.
-    Логику формирования и отображения ссылок предоставляют классы из модуля partners.
-
-    """
-
-    object_id = models.PositiveIntegerField(verbose_name='ID объекта', db_index=True)
-    content_type = models.ForeignKey(
-        ContentType, verbose_name='Тип содержимого', related_name='%(class)s_partner_links')
-
-    partner_alias = models.CharField('Идентфикатор класса партнёра', max_length=50, db_index=True)
-
-    url = models.URLField(
-        'Базовая ссылка', help_text='Ссылка на партнёрскую страницу без указания партнёрских данных (идентификатора).')
-
-    description = models.CharField('Описание', max_length=255, null=True, blank=True)
-
-    linked_object = generic.GenericForeignKey()
-
-    class Meta:
-        verbose_name = 'Партнёрская ссылка'
-        verbose_name_plural = 'Партнёрские ссылки'
-
-    def __unicode__(self):
-        return 'Партнёрская ссылка %s для %s %s' % (self.id, self.content_type, self.object_id)
-
-
-class ModelWithPartnerLinks(models.Model):
-    """Класс-примесь к моделям сущностей, для который разрешено добавление партнёрских ссылок."""
-
-    partner_links = generic.GenericRelation(PartnerLink)
-
-    class Meta:
-        abstract = True
-
-
-class Place(RealmBaseModel, ModelWithDiscussions):
-    """Географическое место. Для людей, событий и пр."""
-
-    TYPE_COUNTRY = 'country'
-    TYPE_LOCALITY = 'locality'
-    TYPE_HOUSE = 'house'
-
-    TYPES = (
-        (TYPE_COUNTRY, 'Страна'),
-        (TYPE_LOCALITY, 'Местность'),
-        (TYPE_HOUSE, 'Здание'),
-    )
-
-    title = models.CharField('Название', max_length=255)
-    description = models.TextField('Описание', blank=True, null=False, default='')
-    geo_title = models.TextField('Полное название', null=True, blank=True, unique=True)
-    geo_bounds = models.CharField('Пределы', max_length=255, null=True, blank=True)
-    geo_pos = models.CharField('Координаты', max_length=255, null=True, blank=True)
-    geo_type = models.CharField('Тип', max_length=25, null=True, blank=True, choices=TYPES, db_index=True)
-
-    history = HistoricalRecords()
-
-    class Meta:
-        verbose_name = 'Место'
-        verbose_name_plural = 'Места'
-
-    def get_pos(self):
-        """Возвращает координаты объекта в виде кортежа: (широта, долгота).
-
-        :return:
-        """
-        lat, lng = self.geo_pos.split('|')
-        return lat, lng
-
-    @classmethod
-    def create_place_from_name(cls, name):
-        """Создаёт место по его имени.
-
-        :param name:
-        :return:
-        """
-        from .utils import get_location_data
-        loc_data = get_location_data(name)
-        if loc_data is None:
-            return None
-
-        full_title = loc_data['name']
-        place = cls(
-            title=loc_data['requested_name'],
-            geo_title=full_title,
-            geo_bounds=loc_data['bounds'],
-            geo_pos=loc_data['pos'],
-            geo_type=loc_data['type']
-        )
-        try:
-            place.save()
-        except IntegrityError:
-            place = cls.objects.get(geo_title=full_title)
-        return place
-
-    def __unicode__(self):
-        return self.geo_title
-
-
-class Vacancy(RealmBaseModel):
-
-    SRC_ALIAS_HH = 'hh'
-
-    SRC_ALIASES = (
-        (SRC_ALIAS_HH, 'hh.ru'),
-    )
-
-    MANAGERS = OrderedDict([
-        (SRC_ALIAS_HH, HhVacancyManager)
-    ])
-
-    src_alias = models.CharField('Идентификатор источника', max_length=20, choices=SRC_ALIASES)
-    src_id = models.CharField('ID в источнике', max_length=50)
-    src_place_name = models.CharField('Название места в источнике', max_length=255)
-    src_place_id = models.CharField('ID места в источнике', max_length=20, db_index=True)
-
-    title = models.CharField('Название', max_length=255)
-    url_site = models.URLField('Страница сайта')
-    url_api = models.URLField('URL API', null=True, blank=True)
-    url_logo = models.URLField('URL логотипа', null=True, blank=True)
-
-    employer_name = models.CharField('Работодатель', max_length=255)
-
-    place = models.ForeignKey(Place, verbose_name='Место', related_name='vacancies', null=True, blank=True)
-    salary_from = models.PositiveIntegerField('Заработная плата', null=True, blank=True)
-    salary_till = models.PositiveIntegerField('З/п до', null=True, blank=True)
-    salary_currency = models.CharField('Валюта', max_length=255, null=True, blank=True)
-
-    class Meta:
-        verbose_name = 'Вакансия'
-        verbose_name_plural = 'Работа'
-        unique_together = ('src_alias', 'src_id')
-
-    paginator_related = ['place']
-    items_per_page = 15
-    notify_on_publish = False
-
-    @property
-    def description(self):
-        chunks = [self.employer_name, self.src_place_name]
-        salary_chunk = self.get_salary_str()
-        if salary_chunk:
-            chunks.append(salary_chunk)
-        return ', '.join(chunks)
-
-    @classmethod
-    def get_places_stats(cls):
-        """Возвращает статистику по количеству вакансий на местах.
-
-        :return:
-        """
-        stats = list(Place.objects.filter(
-            id__in=cls.objects.published().filter(place__isnull=False).distinct().values_list('place_id', flat=True),
-            vacancies__status=cls.STATUS_PUBLISHED
-        ).annotate(vacancies_count=Count('vacancies')).order_by('-vacancies_count', 'title'))
-
-        return stats
-
-    @classmethod
-    def get_salary_stats(cls, place=None):
-        """Возвращает статистику по зарплатам.
-
-        :param Place|None place: Место, для которого следует получить статистику.
-        :return:
-        """
-        filter_kwargs = {
-            'salary_currency__isnull': False,
-            'salary_till__isnull': False
-        }
-        if place is not None:
-            filter_kwargs['place'] = place
-
-        stats = list(cls.objects.published().filter(
-            **filter_kwargs
-        ).values(
-            'salary_currency'
-        ).annotate(
-            min=Min('salary_from'), max=Max('salary_till'), count=Count('id')
-        ))
-
-        for stat_row in stats:
-            for factor in ('min', 'max'):
-                stat_row[factor] = stat_row[factor] or 0
-
-            stat_row['avg'] = stat_row['min'] + ((stat_row['max'] - stat_row['min']) / 2)
-
-            for factor in ('min', 'avg', 'max'):
-                stat_row[factor] = format_currency(stat_row[factor])
-
-        return stats
-
-    def get_salary_str(self):
-        """Возвращает данные о зарплате в виде строки.
-
-        :return:
-        """
-        chunks = []
-        if self.salary_from:
-            chunks.append(format_currency(self.salary_from))
-
-        if self.salary_till:
-            chunks.extend(('—', format_currency(self.salary_till)))
-
-        if self.salary_currency:
-            chunks.append(self.salary_currency)
-
-        return ' '.join(map(str, chunks)).strip()
-
-    def get_absolute_url(self, with_prefix=False, hash_chunk=None):
-        return self.url_site
-
-    def link_to_place(self):
-        """Связывает запись с местом Place, заполняя атрибут place_id.
-
-        :return:
-        """
-
-        # Попробуем найти ранее связанные записи.
-        match = self.__class__.objects.filter(
-            src_alias=self.src_alias,
-            src_place_id=self.src_place_id,
-        ).first()
-
-        if match:
-            self.place_id = match.place_id
-        else:
-            # Вычисляем место.
-            match = Place.create_place_from_name(self.src_place_name)
-            self.place_id = match.id
-
-    @classmethod
-    def update_statuses(cls):
-        """Обновляет состояния записей по данным внешнего ресурса.
-
-        :return:
-        """
-        for vacancy in cls.objects.published():
-            manager = cls.MANAGERS.get(vacancy.src_alias)
-            if manager:
-                archived = manager.get_status(vacancy.url_api)
-                if archived:
-                    vacancy.status = cls.STATUS_ARCHIVED
-                    vacancy.save()
-
-    @classmethod
-    def fetch_new(cls):
-        """Добывает данные из источника и складирует их.
-
-        :return:
-        """
-        for manager_alias, manager in cls.MANAGERS.items():
-            vacancies = manager.fetch_list()
-            if not vacancies:
-                return
-
-            for vacancy_data in vacancies:
-                if vacancy_data.pop('__archived', True):
-                    # Архивные пропускаем.
-                    continue
-
-                new_vacancy = cls(**vacancy_data)
-                new_vacancy.src_alias = manager_alias
-                new_vacancy.status = new_vacancy._status_backup = cls.STATUS_PUBLISHED
-                new_vacancy.link_to_place()
-                try:
-                    new_vacancy.save()
-                except IntegrityError:
-                    pass
-
-
-class Community(InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithDiscussions, ModelWithCategory,
-                ModelWithCompiledText):
-    """Модель сообществ. Формально объединяет некоторую группу людей."""
-
-    place = models.ForeignKey(
-        Place, verbose_name='Место', related_name='communities', null=True, blank=True,
-        help_text='Для географически локализованных сообществ можно указать место (страна, город, село).<br>'
-                  'Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».')
-
-    contacts = models.CharField(
-        'Контактные лица', null=True, blank=True, max_length=255,
-        help_text=('Контактные лица через запятую, представляющие сообщество, координаторы, основатели.%s' %
-                   ModelWithAuthorAndTranslator._hint_userlink))
-
-    url = models.URLField('Страница в сети', null=True, blank=True)
-
-    history = HistoricalRecords()
-
-    class Meta:
-        verbose_name = 'Сообщество'
-        verbose_name_plural = 'Сообщества'
-
-    class Fields:
-        title = 'Название сообщества'
-        description = {
-            'verbose_name': 'Кратко',
-            'help_text': ('Сжатая предварительная информация о сообществе (например, направление деятельности). %s' %
-                          HINT_IMPERSONAL_REQUIRED)
-        }
-        text_src = {
-            'verbose_name': 'Описание, принципы работы, правила, контактная информация',
-            'help_text': '%s' % HINT_IMPERSONAL_REQUIRED,
-        }
-        linked = {
-            'verbose_name': 'Связанные сообщества',
-            'help_text': 'Выберите сообщества, имеющие отношение к данному.',
-        }
-        year = 'Год образования'
-
-    def save(self, *args, **kwargs):
-        if not self.pk:
-            self.status = self.STATUS_PUBLISHED
-        super().save(*args, **kwargs)
-
-
-class User(RealmBaseModel, AbstractUser):
-    """Наша модель пользователей."""
-
-    items_per_page = 100
-
-    objects = UserManager()
-
-    place = models.ForeignKey(
-        Place, verbose_name='Место', related_name='users', null=True, blank=True,
-        help_text='Место вашего пребывания (страна, город, село).<br>'
-                  'Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».')
-
-    # Настрока устарела.
-    digest_enabled = models.BooleanField(
-        'Получать дайджест', default=True, db_index=True,
-        help_text='Включает/отключает еженедельную рассылку с подборкой новых материалов сайта.')
-
-    comments_enabled = models.BooleanField(
-        'Разрешить комментарии',
-        help_text='Включает/отключает систему комментирования Disqus на страницах ваших публикаций.', default=False)
-
-    disqus_shortname = models.CharField(
-        'Идентификатор Disqus', max_length=100, null=True, blank=True,
-        help_text='Короткое имя (shortname), под которым вы зарегистрировали форум на Disqus.')
-
-    disqus_category_id = models.CharField(
-        'Идентификатор категории Disqus', max_length=30, null=True, blank=True,
-        help_text='Если ваш форум на Disqus использует категории, можете указать нужный номер здесь. '
-                  'Это не обязательно.')
-
-    timezone = models.CharField(
-        'Часовой пояс', max_length=150, null=True, blank=True,
-        help_text='Название часового пояса. Например: Asia/Novosibirsk.<br>'
-                  '* Устанавливается автоматически в зависимости от места пребывания (см. выше).')
-
-    email_public = models.EmailField(
-        'Эл. почта', null=True, blank=True,
-        help_text='Адрес электронной почты для показа посетителям сайта.')
-
-    url = models.URLField('Страница в сети', null=True, blank=True)
-
-    class Meta:
-        verbose_name = 'Персона'
-        verbose_name_plural = 'Люди'
-
-    def set_timezone_from_place(self):
-        """Устанавливает временную зону, исходя из места расположения.
-
-        :return:
-        """
-        if self.place is None:
-            self.timezone = None
-            return True
-
-        from .utils import get_timezone_name
-        lat, lng = self.place.geo_pos.split(',')
-        self.timezone = get_timezone_name(lat, lng)
-
-    def get_bookmarks(self):
-        """Возвращает словарь с избранными пользователем эелементами (закладками).
-        Словарь индексирован классами моделей различных сущностей, в значениях - списки с самими сущностями.
-
-        :return:
-        """
-        from siteflags.utils import get_flag_model
-        from .realms import get_realms
-
-        FLAG_MODEL = get_flag_model()
-        realm_models = [r.model for r in get_realms().values()]
-        bookmarks = FLAG_MODEL.get_flags_for_types(
-            realm_models, user=self, status=RealmBaseModel.FLAG_STATUS_BOOKMARK,
-            allow_empty=False
-        )
-        for realm_model, flags in bookmarks.items():
-            ids = [flag.object_id for flag in flags]
-            items = realm_model.objects.filter(id__in=ids)
-            bookmarks[realm_model] = items
-        return bookmarks
-
-    def is_deleted(self):
-        return not self.is_active
-
-    @classmethod
-    def get_actual(cls):
-        return cls.objects.filter(is_active=True).order_by('-date_joined').all()
-
-    @classmethod
-    def get_paginator_objects(cls):
-        return cls.objects.order_by('-date_joined').all()
-
-    @classmethod
-    def get_most_voted_objects(cls):
-        query = cls.objects.filter(supporters_num__gt=0)
-        query = query.select_related('submitter').order_by('-supporters_num')
-        return query.all()[:5]
-
-    def get_display_name(self):
-        return self.get_full_name() or self.get_username_partial()
-    title = property(get_display_name)
-
-    def get_username_partial(self):
-        return self.username.split('@')[0]
-
-
-class Book(InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithDiscussions, ModelWithCategory,
-           ModelWithAuthorAndTranslator, ModelWithPartnerLinks):
-    """Модель сущности `Книга`."""
-
-    COVER_UPLOAD_TO = 'books'
-
-    isbn = models.CharField('Код ISBN', max_length=20, unique=True, null=True, blank=True)
-    isbn_ebook = models.CharField('Код ISBN эл. книги', max_length=20, unique=True, null=True, blank=True)
-
-    history = HistoricalRecords()
-
-    class Meta:
-        verbose_name = 'Книга'
-        verbose_name_plural = 'Книги'
-
-    class Fields:
-        title = 'Название книги'
-        description = {
-            'verbose_name': 'Аннотация',
-            'help_text': 'Аннотация к книге, или другое краткое описание. %s' % HINT_IMPERSONAL_REQUIRED,
-        }
-        linked = {
-            'verbose_name': 'Связанные книги',
-            'help_text': ('Выберите книги, которые имеют отношение к данной. '
-                          'Например, для книги-перевода можно указать оригинал.',)
-        }
-        year = 'Год издания'
-
-
-class Article(InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithDiscussions, ModelWithCategory,
-              ModelWithCompiledText):
-    """Модель сущности `Статья`."""
-
-    LOCATION_INTERNAL = 1
-    LOCATION_EXTERNAL = 2
-
-    LOCATIONS = choices_list(
-        (LOCATION_INTERNAL, 'На этом сайте'),
-        (LOCATION_EXTERNAL, 'На другом сайте'),
-    )
-
-    SOURCE_HANDMADE = 1
-    SOURCE_SCRAPING = 2
-    SOURCE_RSS = 3
-
-    SOURCES = choices_list(
-        (SOURCE_HANDMADE, 'Написана на этом сайте'),
-        (SOURCE_SCRAPING, 'Соскоблена с другого сайта'),
-        (SOURCE_RSS, 'Взята из RSS'),
-    )
-
-    source = models.PositiveIntegerField(
-        'Тип источника', choices=get_choices(SOURCES), default=SOURCE_HANDMADE,
-        help_text='Указывает на механизм, при помощи которого статья появилась на сайте.')
-
-    location = models.PositiveIntegerField(
-        'Расположение статьи', choices=get_choices(LOCATIONS), default=LOCATION_INTERNAL,
-        help_text='Статью можно написать прямо на этом сайте, либо сформировать статью-ссылку на внешний ресурс.')
-
-    url = models.URLField(
-        'URL статьи', null=True, blank=False, unique=True,
-        help_text='Внешний URL, по которому доступна статья, которой вы желаете поделиться.')
-
-    published_by_author = models.BooleanField('Я являюсь автором данной статьи', default=True)
-
-    history = HistoricalRecords()
-
-    class Meta:
-        verbose_name = 'Статья'
-        verbose_name_plural = 'Статьи'
-
-    class Fields:
-        description = {
-            'verbose_name': 'Введение',
-            'help_text': 'Пара-тройка предложений, описывающих, о чём пойдёт речь в статье.',
-        }
-        linked = {
-            'verbose_name': 'Связанные статьи',
-            'help_text': ('Выберите статьи, которые имеют отношение к данной. '
-                          'Так, например, можно объединить статьи цикла.',)
-        }
-
-    def is_handmade(self):
-        """Возвращат флаг, указывающий на то, что статья создана на этом сайте.
-
-        :return:
-        """
-        return self.source == self.SOURCE_HANDMADE
-
-    def update_data_from_url(self, url):
-        """Обновляет данные статьи, собирая информация, доступную по указанному URL.
-
-        :param url:
-        :return:
-        """
-        result = scrape_page(url)
-        if result is None:
-            raise RemoteSourceError('Не удалось получить данные статьи. Проверьте доступность указанного URL.')
-
-        self.title = result['title']
-        self.description = result['content_less']
-        self.text_src = result['content_more']
-        self.source = self.SOURCE_SCRAPING
-
-
-class Version(InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithDiscussions, ModelWithCompiledText):
-
-    current = models.BooleanField('Текущая', default=False, db_index=True)
-
-    class Fields:
-        title = 'Номер'
-        description = {
-            'verbose_name': 'Введение',
-            'help_text': 'Краткое описание основных изменений в версии.',
-        }
-        text_src = {
-            'verbose_name': 'Описание',
-            'help_text': ('Обзорное, более полное описание нововведений и изменений, произошедших в версии. %s' %
-                          HINT_IMPERSONAL_REQUIRED,)
-        }
-
-    class Meta:
-        verbose_name = 'Версия Python'
-        verbose_name_plural = 'Версии Python'
-        ordering = ('title',)
-
-    notify_on_publish = False
-
-
-class Reference(InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithDiscussions, ModelWithCompiledText):
-    """Модель сущности `Справочник`."""
-
-    TYPE_CHAPTER = 1
-    TYPE_PACKAGE = 2
-    TYPE_MODULE = 3
-    TYPE_FUNCTION = 4
-    TYPE_CLASS = 5
-    TYPE_METHOD = 6
-    TYPE_PROPERTY = 7
-
-    TYPES = choices_list(
-        (TYPE_CHAPTER, 'Раздел справки'),
-        (TYPE_PACKAGE, 'Описание пакета'),
-        (TYPE_MODULE, 'Описание модуля'),
-        (TYPE_FUNCTION, 'Описание функции'),
-        (TYPE_CLASS, 'Описание класса/типа'),
-        (TYPE_METHOD, 'Описание метода класса/типа'),
-        (TYPE_PROPERTY, 'Описание свойства класса/типа'),
-    )
-
-    type = models.PositiveIntegerField(
-        'Тип статьи', choices=get_choices(TYPES), default=TYPE_CHAPTER,
-        help_text='Служит для структурирования информации. Справочные статьи разных типов могут выглядеть по-разному.')
-
-    parent = models.ForeignKey(
-        'self', related_name='children', verbose_name='Родитель', db_index=True, null=True, blank=True,
-        help_text='Укажите родительский раздел. '
-                  'Например, для модуля можно указать раздел справки, в которому он относится; '
-                  'для метода &#8212; класс.')
-
-    version_added = models.ForeignKey(
-        Version, related_name='%(class)s_added', verbose_name='Добавлено в', null=True, blank=True,
-        help_text='Версия Python, для которой впервые стала актульна данная статья<br>'
-                  '(версия, где впервые появился модуль, пакет, класс, функция).')
-
-    version_deprecated = models.ForeignKey(
-        Version, related_name='%(class)s_deprecated', verbose_name='Устарело в', null=True, blank=True,
-        help_text='Версия Python, для которой впервые данная статья перестала быть актуальной<br>'
-        '(версия, где модуль, пакет, класс, функция были объявлены устаревшими).')
-
-    func_proto = models.CharField(
-        'Прототип', max_length=250, null=True, blank=True,
-        help_text='Для функций/методов. Описание интерфейса, например: <i>my_func(arg, kwarg=None)</i>')
-
-    func_params = models.TextField(
-        'Параметры', null=True, blank=True,
-        help_text='Для функций/методов. Описание параметров функции.')
-
-    func_result = models.CharField(
-        'Результат', max_length=250, null=True, blank=True,
-        help_text='Для функций/методов. Описание результата, например: <i>int</i>.')
-
-    history = HistoricalRecords()
-
-    class Meta:
-        verbose_name = 'Статья справочника'
-        verbose_name_plural = 'Справочник'
-        ordering = ('parent_id', 'title')
-
-    class Fields:
-        title = {
-            'verbose_name': 'Название',
-            'help_text': ('Здесь следует указать название раздела справки '
-                          'или пакета, модуля, класса, метода, функции и т.п.')
-        }
-        description = {
-            'verbose_name': 'Кратко',
-            'help_text': 'Краткое описание для раздела или пакета, модуля, класса, метода, функции и т.п.',
-        }
-        text_src = {
-            'verbose_name': 'Описание',
-            'help_text': 'Подробное описание. Здесь же следует располагать примеры кода.',
-        }
-
-    notify_on_publish = False
-    autogenerate_slug = True
-
-    def is_type_callable(self):
-        return self.type in (self.TYPE_METHOD, self.TYPE_FUNCTION)
-
-    def is_type_method(self):
-        return self.type == self.TYPE_METHOD
-
-    def is_type_module(self):
-        return self.type == self.TYPE_MODULE
-
-    def is_type_class(self):
-        return self.type == self.TYPE_CLASS
-
-    def is_type_chapter(self):
-        return self.type == self.TYPE_CHAPTER
-
-    @classmethod
-    def get_actual(cls, parent=None, exclude_id=None):
-        qs = cls.objects.published()
-
-        if parent is not None:
-            qs = qs.filter(parent=parent)
-
-        if exclude_id is not None:
-            qs = qs.exclude(pk=exclude_id)
-
-        return qs.order_by('-time_published').all()
-
-
-class Video(InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithDiscussions, ModelWithCategory,
-            ModelWithAuthorAndTranslator):
-    """Модель сущности `Видео`."""
-
-    EMBED_WIDTH = 560
-    EMBED_HEIGHT = 315
-    COVER_UPLOAD_TO = 'videos'
-
-    code = models.TextField('Код')
-    url = models.URLField('URL')
-
-    history = HistoricalRecords()
-
-    class Meta:
-        verbose_name = 'Видео'
-        verbose_name_plural = 'Видео'
-
-    class Fields:
-        title = 'Название видео'
-        translator = 'Перевод/озвучание'
-        description = {
-            'help_text': 'Краткое описание того, о чём это видео. %s' % HINT_IMPERSONAL_REQUIRED,
-        }
-        linked = {
-            'verbose_name': 'Связанные видео',
-            'help_text': ('Выберите видео, которые имеют отношение к данному. '
-                          'Например, можно связать несколько эпизодов видео.',)
-        }
-        year = 'Год съёмок'
-
-    _supported_hostings = OrderedDict(sorted({
-        'Vimeo': ('vimeo.com', 'vimeo'),
-        'YouTube': ('youtu', 'youtube'),
-    }.items(), key=lambda k: k[0]))
-
-    @classmethod
-    def get_supported_hostings(cls):
-        return cls._supported_hostings.keys()
-
-    @classmethod
-    def get_data_from_vimeo(cls, url):
-        if 'vimeo.com' in url:  # http://vimeo.com/{id}
-            video_id = url.rsplit('/', 1)[-1]
-        else:
-            raise RemoteSourceError('Не удалось обнаружить ID видео в URL `%s`' % url)
-
-        embed_code = (
-            '<iframe src="//player.vimeo.com/video/%s?byline=0&amp;portrait=0&amp;color=ffffff" '
-            'width="%s" height="%s" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen>'
-            '</iframe>' % (video_id, cls.EMBED_WIDTH, cls.EMBED_HEIGHT))
-
-        response = requests.get('http://vimeo.com/api/v2/video/%s.json' % video_id)
-        cover_url = response.json()[0]['thumbnail_small']
-
-        return embed_code, cover_url
-
-    @classmethod
-    def get_data_from_youtube(cls, url):
-        if 'youtu.be' in url:  # http://youtu.be/{id}
-            video_id = url.rsplit('/', 1)[-1]
-        elif 'watch?v=' in url:  # http://www.youtube.com/watch?v={id}
-            video_id = url.rsplit('v=', 1)[-1]
-        else:
-            raise RemoteSourceError('Не удалось обнаружить ID видео в URL `%s`' % url)
-
-        embed_code = (
-            '<iframe src="//www.youtube.com/embed/%s?rel=0" '
-            'width="%s" height="%s" frameborder="0" allowfullscreen>'
-            '</iframe>' % (video_id, cls.EMBED_WIDTH, cls.EMBED_HEIGHT))
-        cover_url = 'http://img.youtube.com/vi/%s/default.jpg' % video_id
-        return embed_code, cover_url
-
-    @classmethod
-    def get_hosting_for_url(cls, url):
-        hosting = None
-        for title, data in cls._supported_hostings.items():
-            search_str, hid = data
-            if search_str in url:
-                hosting = hid
-                break
-        return hosting
-
-    def update_code_and_cover(self, url):
-        url = url.rstrip('/')
-        hid = self.get_hosting_for_url(url)
-        if hid is None:
-            raise RemoteSourceError('Не удалось обнаружить обработчик для указанного URL `%s`' % url)
-
-        method_name = 'get_data_from_%s' % hid
-        method = getattr(self, method_name, None)
-        if method is None:
-            raise RemoteSourceError('Не удалось обнаружить метод обработчика URL `%s`' % method_name)
-
-        embed_code, cover_url = method(url)
-
-        self.code = embed_code
-        self.update_cover_from_url(cover_url)
-
-
-class Event(InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithDiscussions, ModelWithCategory,
-            ModelWithCompiledText):
-    """Модель сущности `Событие`."""
-
-    SPEC_DEDICATED = 1
-    SPEC_HAS_SECTION = 2
-    SPEC_HAS_SOME = 3
-
-    SPECS = choices_list(
-        (SPEC_DEDICATED, 'Только Python'),
-        (SPEC_HAS_SECTION, 'Есть секция/отделение про Python'),
-        (SPEC_HAS_SOME, 'Есть упоминания про Python'),
-    )
-
-    TYPE_MEETING = 1
-    TYPE_CONFERENCE = 2
-    TYPE_LECTURE = 3
-    TYPE_SPRINT = 4
-
-    TYPES = choices_list(
-        (TYPE_MEETING, 'Встреча'),
-        (TYPE_LECTURE, 'Лекция'),
-        (TYPE_CONFERENCE, 'Конференция'),
-        (TYPE_SPRINT, 'Спринт'),
-    )
-
-    url = models.URLField('Страница в сети', null=True, blank=True)
-
-    contacts = models.CharField(
-        'Контактные лица', null=True, blank=True, max_length=255,
-        help_text=('Контактные лица через запятую, координирующие/устраивающие событие.%s' %
-                   ModelWithAuthorAndTranslator._hint_userlink))
-
-    place = models.ForeignKey(
-        Place, verbose_name='Место', related_name='events', null=True, blank=True,
-        help_text=('Укажите место проведения мероприятия.<br><b>Конкретный адрес следует указывать в описании.</b><br>'
-                   'Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».'))
-
-    specialization = models.PositiveIntegerField('Специализация', choices=get_choices(SPECS), default=SPEC_DEDICATED)
-    type = models.PositiveIntegerField('Тип', choices=get_choices(TYPES), default=TYPE_MEETING)
-    time_start = models.DateTimeField('Начало', null=True, blank=True)
-    time_finish = models.DateTimeField('Завершение', null=True, blank=True,
-                                       help_text='Дату завершения можно и не указывать.')
-    fee = models.BooleanField('Участие платное', default=False, db_index=True)
-
-    history = HistoricalRecords()
-
-    class Meta:
-        verbose_name = 'Событие'
-        verbose_name_plural = 'События'
-
-    class Fields:
-        description = {
-            'verbose_name': 'Краткое описание',
-            'help_text': 'Краткое описание события. %s' % HINT_IMPERSONAL_REQUIRED,
-        }
-        text_src = {
-            'verbose_name': 'Описание, контактная информация',
-            'help_text': '%s' % HINT_IMPERSONAL_REQUIRED,
-        }
-        cover = 'Логотип'
-
-    def save(self, *args, **kwargs):
-        if not self.pk:
-            self.status = self.STATUS_PUBLISHED
-        super().save(*args, **kwargs)
-
-    def get_display_type(self):
-        return self.TYPES[self.type]
-
-    def get_display_specialization(self):
-        return self.SPECS[self.specialization]
-
-    def is_in_past(self):
-        field = self.time_finish or self.time_start
-        if field is None:
-            return None
-        return field < timezone.now()
-
-    def is_now(self):
-        if not all([self.time_start, self.time_finish]):
-            return False
-        return self.time_start <= timezone.now() <= self.time_finish
-
-    @classmethod
-    def get_paginator_objects(cls):
-        now = timezone.now().date().isoformat()
-        # Сначала грядущие в порядке приближения, потом прошедшие.
-        return cls.objects.published().extra(
-            select={'in_future': "time_start > '%s'" % now}).order_by('-in_future', 'time_start').all()
diff --git a/apps/partners.py b/apps/partners.py
deleted file mode 100644
index 4a649d27..00000000
--- a/apps/partners.py
+++ /dev/null
@@ -1,251 +0,0 @@
-import re
-from collections import OrderedDict
-from urllib.parse import urljoin
-
-from django.conf import settings
-from django.db.models import signals
-from django.core.cache import cache
-from django.utils.timezone import now
-
-from .utils import make_soup
-
-
-_PARTNERS_REGISTRY = None
-_CACHE_TIMEOUT = 28800  # 8 часов
-
-
-class PartnerBase():
-    """Базовый класс для работы с партнёрскими сайтами."""
-
-    ident = None
-    title = None
-    link_mutator = None
-
-    RE_ICON_REL = re.compile('icon', re.I)
-
-    def __init__(self, partner_id):
-        self.partner_id = partner_id
-
-    def get_link_data(self, realm, link):
-        """Возвращает словарь с данными партнёрской ссылки.
-
-        :param RealmBase realm:
-        :param PartnerLink link:
-        :return:
-        """
-
-        link_url = link.url
-
-        link_mutator = self.link_mutator.replace('{partner_id}', self.partner_id)
-        if '?' in link_url and link_mutator.startswith('?'):
-            link_mutator = link_mutator.replace('?', '&')
-
-        url = '%s%s' % (link_url, link_mutator)
-
-        title = '%s на %s' % (realm.model.get_verbose_name(), self.title)
-        description = link.description
-        if description:
-            title = '%s — %s' % (title, description)
-
-        page_soup = self.get_page_soup(link_url)
-
-        price = self.get_price(page_soup).strip(' .').replace('руб', 'руб.')
-
-        data = {
-            'icon_url': self.get_icon_url(page_soup, link_url),
-            'title': title,
-            'url': url,
-            'price': price,
-            'time': now()
-        }
-        return data
-
-    @classmethod
-    def get_page_soup(cls, url):
-        return make_soup(url)
-
-    @classmethod
-    def get_price(cls, page_soup):
-        return ''
-
-    @classmethod
-    def get_icon_url(cls, page_soup, page_url):
-        icon_url = ''
-
-        if page_soup:
-            matches = page_soup.find_all(attrs={'rel': cls.RE_ICON_REL})
-            if matches:
-                href = matches[0].attrs['href']
-                if href:
-                    icon_url = urljoin(page_url, href)
-
-        return icon_url
-
-
-class BooksRu(PartnerBase):
-    """Класс реализует работу по партнёрской программе сайта books.ru."""
-
-    ident = 'booksru'
-    title = 'books.ru'
-    link_mutator = '?partner={partner_id}'
-
-    @classmethod
-    def get_price(cls, page_soup):
-
-        price = ''
-
-        if page_soup:
-            matches = page_soup.select('.item-price .yprice.price')
-            if matches:
-                price = matches[0].text
-
-        return price
-
-
-class LitRes(PartnerBase):
-    """Класс реализует работу по партнёрской программе сайта litres.ru."""
-
-    ident = 'litres'
-    title = 'litres.ru'
-    link_mutator = '?lfrom={partner_id}'
-
-    @classmethod
-    def get_price(cls, page_soup):
-
-        price = ''
-
-        if page_soup:
-            matches = page_soup.select('.block48')
-            if matches:
-                price = matches[0].text
-
-        return price
-
-
-class Ozon(PartnerBase):
-    """Класс реализует работу по партнёрской программе сайта ozon.ru."""
-
-    ident = 'ozon'
-    title = 'ozon.ru'
-    link_mutator = '?partner={partner_id}'
-
-    @classmethod
-    def get_price(cls, page_soup):
-
-        price = ''
-
-        if page_soup:
-            matches = page_soup.select('.bOzonPrice .hidden')
-            if matches:
-                price = matches[0].text
-
-        return price
-
-
-class ReadRu(PartnerBase):
-    """Класс реализует работу по партнёрской программе сайта ozon.ru."""
-
-    ident = 'readru'
-    title = 'read.ru'
-    link_mutator = '?pp={partner_id}'
-
-    @classmethod
-    def get_price(cls, page_soup):
-
-        price = ''
-
-        if page_soup:
-            matches = page_soup.select('.book_price3__fullprice')
-            if matches:
-                price = matches[0].text
-                if price:
-                    price = price.encode('latin1').decode('cp1251').strip()
-
-        return price
-
-
-def get_cache_key(instance):
-    """Возвращает ключ записи кэша для указанного экземпляра сущности.
-
-    :param instance:
-    :return:
-    """
-    return 'partner_links|%s|%s' % (instance.__class__.__name__, instance.pk)
-
-
-def init_partners_module():
-    """Инициализирует объекты известных партнёров и заносит их в реестр.
-
-    :return:
-    """
-    global _PARTNERS_REGISTRY
-
-    if _PARTNERS_REGISTRY is not None:
-        return
-
-    _PARTNERS_REGISTRY = OrderedDict()
-
-    PARTNER_CLASSES = [BooksRu, LitRes, Ozon, ReadRu]
-
-    partners_settings = settings.PARTNER_IDS
-
-    for partner_class in PARTNER_CLASSES:
-        ident = partner_class.ident
-        if ident in partners_settings:
-            _PARTNERS_REGISTRY[ident] = partner_class(partners_settings[ident])
-
-    from .models import PartnerLink
-
-    def partner_links_cache_invalidate(*args, **kwargs):
-        """Сбрасывает кеш партнёрских ссылок при изменении данных
-         моделей сыылок или их удалении.
-
-        :param args:
-        :param kwargs:
-        :return:
-        """
-        cache_key = get_cache_key(kwargs.get('instance').linked_object)
-        cache.delete(cache_key)
-
-    signals.post_save.connect(partner_links_cache_invalidate, sender=PartnerLink, weak=False)
-    signals.post_delete.connect(partner_links_cache_invalidate, sender=PartnerLink, weak=False)
-
-init_partners_module()
-
-
-def get_partners_choices():
-    """Возвращает варианты выбора известных партнёров для раскрывающихся списков.
-
-    :return:
-    """
-    choices = []
-    for partner in _PARTNERS_REGISTRY.values():
-        choices.append((partner.ident, partner.title))
-
-    return choices
-
-
-def get_partner_links(realm, item):
-    """Возвращает словарь с данными по партнёрским ссылкам,
-    готовый для передачи в шаблон.
-
-    :param RealmBase realm:
-    :param RealmBaseModel|ModelWithPartnerLinks item:
-    :return:
-    """
-
-    cache_key = get_cache_key(item)
-    links_data = cache.get(cache_key)
-
-    if links_data is None:
-        links_data = []
-        links = item.partner_links.order_by('partner_alias', 'description').all()
-        for link in links:
-            partner = _PARTNERS_REGISTRY.get(link.partner_alias)
-
-            if partner:
-                links_data.append(partner.get_link_data(realm, link))
-
-        cache.set(cache_key, links_data, _CACHE_TIMEOUT)
-
-    return {'links': links_data}
diff --git a/apps/realms.py b/apps/realms.py
deleted file mode 100644
index c5f4b183..00000000
--- a/apps/realms.py
+++ /dev/null
@@ -1,378 +0,0 @@
-from collections import OrderedDict
-
-from django.conf.urls import patterns, url
-
-from sitetree.utils import tree, item
-from sitecats.models import Category
-
-from .forms.forms import BookForm, VideoForm, UserForm, DiscussionForm, ArticleForm, CommunityForm, EventForm, \
-    ReferenceForm
-from .generics.realms import RealmBase
-from .generics.models import RealmBaseModel
-from .models import User, Discussion, Book, Video, Place, Article, Community, Event, Reference, Vacancy
-from .signals import sig_support_changed
-from .views import UserDetailsView, CategoryListingView, PlaceListingView, PlaceDetailsView, UserEditView, \
-    ReferenceListingView, ReferenceDetailsView, VacancyListingView
-from .zen import *  # Регистрируем блок сайта с дзеном
-
-
-def bootstrap_realms(urlpatterns):
-    """Инициализирует машинерию областей сайта.
-
-    Принимает на вход urlpatterns из urls.py и модифицирует их.
-
-    :param urlpatterns:
-    :return:
-    """
-    urlpatterns += get_realms_urls()
-    connect_signals()
-    build_sitetree()
-    return urlpatterns
-
-
-REALMS_REGISTRY = OrderedDict()
-
-
-def connect_signals():
-    """Подключает обработчки сигналов проекта.
-
-    :return:
-    """
-    sig_support_changed.connect(RealmBaseModel.cache_delete_most_voted_objects)
-
-
-def register_realms(*classes):
-    """Регистрирует области (сущности), которые должны быть доступны на сайте.
-
-    :param classes:
-    :return:
-    """
-    for cls in classes:
-        REALMS_REGISTRY[cls.get_names()[0]] = cls
-
-
-def get_realms():
-    """Возвращает словарь зарегистрированных областей сайта,
-    индексированный именами областей.
-
-    :return:
-    """
-    return REALMS_REGISTRY
-
-
-def get_realm(name):
-    """Вернёт объет области по её имени, либо None.
-
-    :param str name:
-    :return:
-    """
-    realms = get_realms()
-    realm = None
-
-    try:
-        realm = realms[name]
-    except KeyError:
-        pass
-
-    return realm
-
-
-def get_sitemaps():
-    """Возвращает словарь с sitemap-директивами для поисковых систем.
-
-    :return:
-    """
-    sitemaps = {}
-    for realm in get_realms().values():
-        if realm.sitemap_enabled:
-            sitemaps[realm.name_plural] = realm.get_sitemap()
-    return sitemaps
-
-
-def get_realms_urls():
-    """Возвращает url-шаблоны всех зарегистрированных областей сайта.
-
-    :return:
-    """
-    url_patterns = []
-    for realm in get_realms().values():
-        url_patterns += realm.get_urls()
-    sitemaps = get_sitemaps()
-    if sitemaps:
-        url_patterns += patterns(
-            '', url(r'^sitemap\.xml$', 'django.contrib.sitemaps.views.sitemap', {'sitemaps': sitemaps}))
-    return url_patterns
-
-
-def build_sitetree():
-    """Строит древо сайта, исходя из доступных областей сайта.
-
-    :return:
-    """
-    # Потакаем поведению Django 1.7 при загрузке приложений.
-    from sitetree.sitetreeapp import register_dynamic_trees, compose_dynamic_tree
-    register_dynamic_trees(
-        compose_dynamic_tree((
-            tree('main', 'Основное дерево', (
-                item('Про Python', '/', alias='topmenu', url_as_pattern=False,
-                     description='Материалы по языку программирования Python. Книги, видео, сообщества '
-                                 'и многое другое.',
-                     children=(realm.get_sitetree_items() for realm in get_realms().values())),
-                item('Вход', 'login', access_guest=True, in_menu=False, in_breadcrumbs=False),
-                item('Личное меню', '#', alias='personal', url_as_pattern=False, access_loggedin=True, in_menu=False,
-                     in_sitetree=False, children=(
-                        item('Профиль', 'users:details request.user.id', access_loggedin=True, in_breadcrumbs=False,
-                             in_sitetree=False),
-                        item('Настройки', 'users:edit request.user.id', access_loggedin=True, in_breadcrumbs=False,
-                             in_sitetree=False),
-                        item('Выход', 'logout', access_loggedin=True, in_breadcrumbs=False, in_sitetree=False),
-                )),
-
-            )),
-            tree('about', 'О проекте', (
-                item('Что такое Python', '/promo/', description='Краткие сведения о языке программирования Python.',
-                     url_as_pattern=False),
-                item('О проекте', '/about/', description='Информация о проекте pythonz.net.', url_as_pattern=False),
-                item('Карта сайта', '/sitemap/', description='Список разделов проекта pythonz.net.',
-                     url_as_pattern=False),
-                item('Поиск по сайту', '/search/site/', url_as_pattern=False),
-                item('Результаты поиска «{{ search_term }}»', '/search/', url_as_pattern=False, in_menu=False,
-                     in_sitetree=False),
-            ))
-        )),
-        reset_cache=True
-    )
-
-
-BASE_KEYWORDS = 'pythonz, pythonz.net, python, питон, programming, прораммирование, разработка,'
-
-
-class BookRealm(RealmBase):
-    """
-    Область с книгами.
-    """
-
-    txt_form_add = 'Добавить книгу'
-    txt_form_edit = 'Изменить данные книги'
-
-    view_listing_description = 'Книги по программированию на языке Python. И просто книги по программированию.'
-    view_listing_keywords = '%s книга, books, книги по программированию на питоне' % BASE_KEYWORDS
-
-    model = Book
-    form = BookForm
-    icon = 'book'
-
-    yawidget_code = 173166
-
-
-class VideoRealm(RealmBase):
-    """
-    Область с видео.
-    """
-
-    txt_form_add = 'Добавить видео'
-    txt_form_edit = 'Изменить данные видео'
-
-    view_listing_description = 'Видео. Лекции, курсы, доклады, связанные с языком программирования Python.'
-    view_listing_keywords = '%s видео, videos, видео по программированию на питоне' % BASE_KEYWORDS
-
-    model = Video
-    form = VideoForm
-    icon = 'film'
-
-    yawidget_code = 173167
-
-
-class EventRealm(RealmBase):
-    """
-    Область с событиями.
-    """
-
-    txt_form_add = 'Добавить событие'
-    txt_form_edit = 'Изменить событие'
-
-    model = Event
-    form = EventForm
-    icon = 'calendar'
-    sitemap_changefreq = 'daily'
-
-
-class VacancyRealm(RealmBase):
-    """
-    Область с вакансиями.
-    """
-
-    allowed_views = ('listing',)
-    name_plural = 'vacancies'
-
-    view_listing_description = 'Вакансии, связанные с языком программирования Python.'
-    view_listing_keywords = '%s вакансии, job, работа, предложения' % BASE_KEYWORDS
-
-    view_listing_base_class = VacancyListingView
-
-    model = Vacancy
-    icon = 'briefcase'
-    sitemap_changefreq = 'daily'
-    sitemap_date_field = 'time_published'
-
-    yawidget_code = 178839
-
-
-class ReferenceRealm(RealmBase):
-    """
-    Область со справочниками.
-    """
-
-    allowed_views = ('listing', 'details', 'add', 'edit')
-    syndication_enabled = False
-
-    txt_form_add = 'Дополнить справочник'
-    txt_form_edit = 'Редактировать статью'
-
-    view_listing_description = 'Справочные материалы по языку программирования Python.'
-    view_listing_keywords = '%s справка, reference, справочник по питону' % BASE_KEYWORDS
-
-    view_listing_base_class = ReferenceListingView
-    view_details_base_class = ReferenceDetailsView
-
-    model = Reference
-    form = ReferenceForm
-    icon = 'search'
-
-
-class ArticleRealm(RealmBase):
-    """
-    Область со статьями.
-    """
-
-    txt_form_add = 'Написать статью'
-    txt_form_edit = 'Редактировать статью'
-
-    view_listing_description = 'Статьи, связанные с языком программирования Python.'
-    view_listing_keywords = '%s статья, заметки, articles, статьи по программированию на питоне' % BASE_KEYWORDS
-
-    model = Article
-    form = ArticleForm
-    icon = 'file'
-
-    yawidget_code = 173163
-
-
-class PlaceRealm(RealmBase):
-    """
-    Область с географическими объектами (местами).
-    """
-
-    view_listing_description = 'Места, так или иначе связанные с языком программирования Python.'
-    view_listing_keywords = '%s место, местность, город, село, places, места где программируют на питоне' % BASE_KEYWORDS
-
-    model = Place
-    form = VideoForm
-    icon = 'picture'
-    allowed_views = ('listing', 'details')
-    sitemap_changefreq = 'monthly'
-    view_listing_base_class = PlaceListingView
-    view_details_base_class = PlaceDetailsView
-
-
-class DiscussionRealm(RealmBase):
-    """
-    Область обсуждений.
-    """
-
-    txt_form_add = 'Создать обсуждение'
-    txt_form_edit = 'Редактировать обсуждение'
-
-    view_listing_description = 'Обсуждения тем, связанных с программированием на pythonz.net.'
-    view_listing_keywords = '%s обсуждение, discussions, обсуждения питона' % BASE_KEYWORDS
-
-    model = Discussion
-    form = DiscussionForm
-    icon = 'list'
-
-
-class UserRealm(RealmBase):
-    """
-    Область с персоналиями.
-    """
-
-    txt_form_edit = 'Изменить настройки'
-
-    view_listing_description = 'Люди, связанные с языком программирования Python.'
-    view_listing_keywords = '%s персона, человек, пользователь, users, программист на питоне' % BASE_KEYWORDS
-
-    model = User
-    form = UserForm
-    icon = 'user'
-    allowed_views = ('listing', 'details', 'edit')
-    syndication_enabled = False
-    sitemap_date_field = 'date_joined'
-    view_details_base_class = UserDetailsView
-    view_edit_base_class = UserEditView
-
-    @classmethod
-    def get_sitetree_details_item(cls):
-        return item('{{ user.get_display_name }}', 'users:details user.id', in_menu=False, in_sitetree=False)
-
-
-class CategoryRealm(RealmBase):
-    """
-    Область с категориями.
-    """
-
-    view_listing_description = ('Категории материалов, связанных с языком программирования Python, '
-                                'представленных на pythonz.net.')
-    view_listing_keywords = '%s категория, метка, categories, материалы по питону' % BASE_KEYWORDS
-
-    model = Category
-    icon = 'tag'
-    name = 'category'
-    name_plural = 'categories'
-    allowed_views = ('listing', 'details')
-    ready_for_digest = False
-    sitemap_enabled = False
-    syndication_enabled = False
-    show_on_main = False
-    view_listing_title = 'Путеводитель'
-    view_listing_base_class = CategoryListingView
-    view_details_base_class = CategoryListingView
-
-    @classmethod
-    def get_sitetree_details_item(cls):
-        return item(
-            'Категория «{{ category.parent.title }} — {{ category.title }}»', 'categories:details category.id',
-            in_menu=False, in_sitetree=False)
-
-
-class CommunityRealm(RealmBase):
-    """
-    Область с сообществами.
-    """
-
-    txt_form_add = 'Зарегистрировать сообщество'
-    txt_form_edit = 'Редактировать сообщество'
-
-    view_listing_description = 'Сообщества людей интересующихся и занимающихся программированием на языке Python.'
-    view_listing_keywords = '%s сообщество, люди, community, сообщества питон' % BASE_KEYWORDS
-
-    name = 'community'
-    name_plural = 'communities'
-    model = Community
-    form = CommunityForm
-    icon = 'home'
-    sitemap_changefreq = 'daily'
-
-
-register_realms(
-    CategoryRealm,
-    BookRealm,
-    VideoRealm,
-    ArticleRealm,
-    ReferenceRealm,
-    EventRealm,
-    VacancyRealm,
-    UserRealm,
-    PlaceRealm,
-    DiscussionRealm,
-    CommunityRealm
-)
diff --git a/apps/shortcuts.py b/apps/shortcuts.py
deleted file mode 100644
index 66e35a42..00000000
--- a/apps/shortcuts.py
+++ /dev/null
@@ -1,41 +0,0 @@
-from django.contrib import messages
-
-
-def message_info(request, message):
-    """Регистрирует сообщение информирующего типа для вывода пользователю на странице.
-
-    :param Request request:
-    :param str message:
-    :return:
-    """
-    messages.add_message(request, messages.INFO, message, extra_tags='info')
-
-
-def message_warning(request, message):
-    """Регистрирует предупреждающее сообщение для вывода пользователю на странице.
-
-    :param Request request:
-    :param str message:
-    :return:
-    """
-    messages.add_message(request, messages.WARNING, message, extra_tags='warning')
-
-
-def message_success(request, message):
-    """Регистрирует ободряющее сообщение для вывода пользователю на странице.
-
-    :param Request request:
-    :param str message:
-    :return:
-    """
-    messages.add_message(request, messages.SUCCESS, message, extra_tags='success')
-
-
-def message_error(request, message):
-    """Регистрирует сообщение об ошибке для вывода пользователю на странице.
-
-    :param Request request:
-    :param str message:
-    :return:
-    """
-    messages.add_message(request, messages.ERROR, message, extra_tags='danger')
diff --git a/apps/signals.py b/apps/signals.py
deleted file mode 100644
index 7e429384..00000000
--- a/apps/signals.py
+++ /dev/null
@@ -1,17 +0,0 @@
-import django.dispatch
-
-
-# Сигнализирует о добавлении новой сущности.
-sig_entity_new = django.dispatch.Signal(providing_args=['entity'])
-
-# Сигнализирует о публикации новой сущности.
-sig_entity_published = django.dispatch.Signal(providing_args=['entity'])
-
-# Сигнализирует о том, что пользователь проголосовал за материал или отозвал голос.
-sig_support_changed = django.dispatch.Signal()
-
-# Сигнализирует о поиске без результатов.
-sig_search_failed = django.dispatch.Signal(providing_args=['search_term'])
-
-# Сигнализирует о неисправности в процессах интеграции со внешними сервисами.
-sig_integration_failed = django.dispatch.Signal(providing_args=['description'])
diff --git a/apps/templates/_base.html b/apps/templates/_base.html
deleted file mode 100644
index 927d8dc8..00000000
--- a/apps/templates/_base.html
+++ /dev/null
@@ -1,130 +0,0 @@
-{% load sitemetrics sitetree pythonz_version %}
-<!DOCTYPE html>
-<html lang="ru" prefix="og: http://ogp.me/ns#">
-<head>
-    <meta charset="UTF-8">
-    <meta name="language" content="ru" />
-    <meta name="description" content="{% block page_description %}{% sitetree_page_description from "main" %}{% endblock %}">
-    <meta name="keywords" content="{% block page_keywords %}pythonz, pythonz.net, python, питон, programming, прораммирование, разработка{% endblock %}">
-
-    <meta property="og:site_name" content="pythonz" />
-    <meta property="og:url" content="{{ request.build_absolute_uri }}" />
-
-    {% block meta_og %}{% endblock %}
-
-    <script src="http://yandex.st/jquery/2.1.4/jquery.min.js"></script>
-
-    <link href="{{ STATIC_URL }}css/bootstrap.css" rel="stylesheet">
-    <link href="{{ STATIC_URL }}css/pythonz.css" rel="stylesheet">
-    <link href="{{ STATIC_URL }}css/foundation-icons.css" rel="stylesheet">
-
-    <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/8.6/styles/github.min.css">
-
-    <link href='http://fonts.googleapis.com/css?family=Belleza' rel='stylesheet' type='text/css'>
-    <link href='http://fonts.googleapis.com/css?family=PT+Serif&subset=cyrillic' rel='stylesheet' type='text/css'>
-
-    <link href="{{ STATIC_URL }}img/favicon.gif" rel="icon" type="image/gif" />
-
-    {% block head %}
-        {% if realm.syndication_enabled %}
-        <link rel="alternate" type="application/rss+xml" title="RSS" href="{{ realm.get_syndication_url }}" />
-        {% endif %}
-    {% endblock %}
-
-    <title>{% block page_title %}{% sitetree_breadcrumbs from "main" template "sitetree/breadcrumbs-title.html" %}{% endblock %}</title>
-
-</head>
-<body>
-
-    <nav class="navbar navbar-default navbar-fixed-top" role="navigation">
-        <div class="container-fluid">
-            <a class="navbar-brand" href="/" title="На главную страницу pythonz.net">
-                <img src="{{ STATIC_URL }}img/favicon.gif" class="pull-left">
-                <span class="text-uppercase">Python</span><span style="color:#ddd;">Z</span>
-            </a>
-
-            {% with template_path="sitetree/menu_top.html" %}
-                {% sitetree_menu from "main" include "topmenu" template template_path %}
-
-                <div class="submenu navbar-nav navbar-left marg__l_mid bg-success">
-                {% if view.name == 'listing' %}
-                    {% sitetree_menu from "main" include "this-children" template template_path %}
-                {% else %}
-                    {% sitetree_menu from "main" include "this-siblings" template template_path %}
-                {% endif %}
-                </div>
-            {% endwith %}
-
-            <form class="navbar-form navbar-left" role="search" method="post" action="/search/">
-                {% csrf_token %}
-                <div class="form-group">
-                    <input type="text" class="form-control" name="search_term" placeholder="Поиск по справочнику" value="{{ search_term }}">
-                </div>
-            </form>
-
-            <ul class="nav navbar-nav navbar-right">
-            {% if request.user.is_authenticated %}
-                <li class="dropdown">
-                    <a class="dropdown-toggle" data-toggle="dropdown" href="#">{{ request.user.get_full_name|default:request.user.username }} <b class="caret"></b></a>
-                    {% sitetree_menu from "main" include "personal" template "sitetree/menu_bootstrap3_dropdown.html" %}
-                </li>
-            {% else %}
-                <li><a href="{% url "login" %}" class=""><span class="glyphicon glyphicon-log-in"></span>&nbsp; Вход</a></li>
-            {% endif %}
-            </ul>
-        </div>
-    </nav>
-
-
-    <div class="container body marg__b_max">
-        {% if messages %}
-        <div id="notices">
-            {% for message in messages %}
-                <div class="alert alert-{% if message.tags %}{{ message.tags }}{% endif %}" role="alert">{{ message }}</div>
-            {% endfor %}
-        </div>
-        {% endif %}
-
-        {% block page_contents_pre %}{% endblock %}
-        {% block page_contents %}{% endblock %}
-        {% block page_contents_post %}{% endblock %}
-    </div>
-
-    <nav class="footer navbar navbar-default marg__t_max" role="navigation">
-        <div class="container">
-            <div class="row">
-                <div class="col-md-2">
-                    <address>
-                        <p><i class="fi-social-github"></i> &nbsp;<a href="https://github.com/idlesign/pythonz/" title="Проект разрабатывается открыто">pythonz {% pythonz_version %} βετα</a></p>
-                    </address>
-                </div>
-                <div class="col-md-8">
-                    {% sitetree_menu from "main" include "topmenu" template "sitetree/menu_footer.html" %}
-                    {% sitetree_menu from "about" include "trunk" template "sitetree/menu_footer.html"  %}
-                </div>
-                <div class="col-md-2">
-                    <p><i class="fi-social-twitter"></i> &nbsp;<a href="https://twitter.com/pythonz_net" title="В Твиттере">pythonz_net</a></p>
-                    <address>
-                        <p><i class="fi-mail"></i> &nbsp;<a href="mailto:press@pythonz.net">press@pythonz.net</a></p>
-                    </address>
-                </div>
-            </div>
-        </div>
-    </nav>
-
-    <script src="{{ STATIC_URL }}js/xross/xross.min.js"></script>
-    <script src="{{ STATIC_URL }}js/sitecats/sitecats.min.js"></script>
-    <script src="{{ STATIC_URL }}js/pythonz.min.js"></script>
-
-    <script src="http://yandex.st/bootstrap/3.3.4/js/bootstrap.min.js"></script>
-    <script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/8.6/highlight.min.js"></script>
-    <script type="text/javascript">
-        hljs.configure({useBR: true});
-        hljs.initHighlightingOnLoad();
-    </script>
-
-    {% block js_bottom %}{% endblock %}
-
-    {% sitemetrics by yandex for "21211468" %}
-</body>
-</html>
\ No newline at end of file
diff --git a/apps/templates/base_details.html b/apps/templates/base_details.html
deleted file mode 100644
index 53a830c8..00000000
--- a/apps/templates/base_details.html
+++ /dev/null
@@ -1,88 +0,0 @@
-{% extends "_base.html" %}
-{% load thumbs sitetree siteblocks %}
-
-
-{% block page_description %}{{ item.get_short_description }}{% endblock %}
-
-
-{% block meta_og %}
-    <meta property="og:description" content="{{ item.get_short_description }}" />
-    {% if item.cover %}
-    <meta property="og:image" content="{% thumbs_get_thumb_url item.cover 180 236 item.realm %}" />
-    {% endif %}
-{% endblock %}
-
-
-{% block page_contents %}
-    <div class="row">
-        <div class="col-md-9" itemscope itemtype="http://schema.org/{% block schema_type %}Thing{% endblock %}">
-            {% include "sub_title_block.html" %}
-
-            {% block details_contents %}{% endblock %}
-            <div class="marg__b_mid"><i itemprop="description">{{ item.description|linebreaksbr }}</i></div>
-            {% block details_contents_add %}{% endblock %}
-            {% block details_author %}
-            <div class="marg__t_mid text-muted pull-right">
-                {% include "sub_author_editor.html" %}
-            </div>
-            {% endblock %}
-            <div class="clearfix"></div>
-            {% block details_contents_after %}{% endblock %}
-            {% block details_share %}{% include "sub_box_share.html" %}{% endblock %}
-            {% block details_discussions_pre %}{% endblock %}
-            {% if item.has_discussions %}
-            <hr>
-            <div class="marg__t_max">
-                {% include "realms/discussions/sub_discussions.html" with items=item.discussions.all show_form_for=item show_texts=1 %}
-            </div>
-            {% endif %}
-        </div>
-        <div class="col-md-3">
-            <div class="text-center">
-                <div class="block marg__b_mid">
-                    {% block cover %}
-                        <div class="cover_img">
-                            {% thumbs_get_thumb_url item.cover 180 236 item.realm as "thumb_url" %}
-                            {% if thumb_url %}
-                            <img src="{{ thumb_url }}" class="img-thumbnail" alt="{{ item.title }}">
-                            {% else %}
-                                <span class="img-thumbnail icon_entity glyphicon glyphicon-{{ realm.icon }}"></span>
-                            {% endif %}
-                        </div>
-                    {% endblock %}
-                </div>
-            </div>
-            {% block details_tags %}{% include "sub_box_tags.html" %}{% endblock %}
-            {% block details_controls %}{% include "sub_box_controls.html" %}{% endblock %}
-            {% block details_linked %}
-                {% with linked=item.get_linked %}
-                    {% if linked.count %}
-                    <div class="linked panel panel-default">
-                        <div class="panel-heading">Смотрите также:</div>
-                        <div class="panel-body">
-                            <ul>
-                                {% for linked_item in item.get_linked %}
-                                    <li><a href="{{ linked_item.get_absolute_url }}">{{ linked_item.title }}</a></li>
-                                {% endfor %}
-                            </ul>
-                        </div>
-                    </div>
-                    {% endif %}
-                {% endwith %}
-            {% endblock %}
-            {% block right_bar %}
-                {% siteblock "hints" as hint %}
-                {% if hint %}
-                <div class="panel panel-default">
-                    <div class="panel-heading">
-                        <h3 class="panel-title">Если вам интересно</h3>
-                    </div>
-                    <div class="panel-body">
-                        {{ hint }}
-                    </div>
-                </div>
-                {% endif %}
-            {% endblock %}
-        </div>
-    </div>
-{%  endblock %}
\ No newline at end of file
diff --git a/apps/templates/base_edit.html b/apps/templates/base_edit.html
deleted file mode 100644
index 5eb0b9f2..00000000
--- a/apps/templates/base_edit.html
+++ /dev/null
@@ -1,37 +0,0 @@
-{% extends "_base.html" %}
-{% load thumbs sitecats %}
-
-{% block head %}
-    {{ form.media }}
-{% endblock %}
-
-{% block page_contents %}
-
-    <div class="row">
-        <div class="col-md-12">
-            {% include "sub_title_block.html" %}
-        </div>
-    </div>
-
-    <div class="row">
-        <div class="col-md-8">
-            {% block form %}
-                {% include "forms/sub_form.html" with form=form %}
-            {% endblock %}
-        </div>
-        <div class="col-md-4">
-            <div class="panel panel-info">
-                <div class="panel-heading">
-                    <h3 class="panel-title">К сведению</h3>
-                </div>
-                <div class="panel-body">
-                    {% block hint %}{% endblock %}
-                </div>
-            </div>
-            {% block right_bar %}{% endblock %}
-            {% block categories_editor %}
-                {% include "sub_box_tags.html" %}
-            {% endblock %}
-        </div>
-    </div>
-{%  endblock %}
\ No newline at end of file
diff --git a/apps/templates/base_list_items.html b/apps/templates/base_list_items.html
deleted file mode 100644
index 6bb95635..00000000
--- a/apps/templates/base_list_items.html
+++ /dev/null
@@ -1,27 +0,0 @@
-{% load thumbs %}
-
-{% for item in items %}
-
-    <div class="listing_item">
-        <div class="rating"><span class="label label-default">{{ item.supporters_num }}</span></div>
-        <div class="cover_img float-right">
-        <a href="{{ item.get_absolute_url }}">
-            {% thumbs_get_thumb_url item.cover 100 131 item.realm as "thumb_url" %}
-            <b>{{ abra }}</b>
-            {% if thumb_url %}
-            <img src="{{ thumb_url }}" class="img-thumbnail faded">
-            {% else %}
-                <span class="img-thumbnail icon_entity glyphicon glyphicon-{{ realm.icon }}"></span>
-            {% endif %}
-        </a>
-        </div>
-        <div class="description float-right">
-            <a href="{{ item.get_absolute_url }}" title="{{ item.title }}">{{ item.title|truncatechars:58 }}</a>
-            <div class="small">
-                <strong>{{ item.year }}</strong><br>
-                <span class="py_user">{{ item.author }}</span>
-            </div>
-        </div>
-    </div>
-
-{% endfor %}
\ No newline at end of file
diff --git a/apps/templates/base_listing.html b/apps/templates/base_listing.html
deleted file mode 100644
index cb354eba..00000000
--- a/apps/templates/base_listing.html
+++ /dev/null
@@ -1,77 +0,0 @@
-{% extends "_base.html" %}
-
-
-{% block page_keywords %}{{ realm.view_listing_keywords }}{% if category %}, {{ category.title }}{% endif %}{% endblock %}
-
-
-{% block page_description %}{% if category %}{{ category.note|truncatechars:100 }}{% endif %}{% endblock %}
-
-
-{% block page_contents_pre %}
-
-    <div class="row">
-        <div class="col-md-12">
-            {% include "sub_title_block.html" %}
-
-        {% block promo %}
-            {% if category.note %}
-                <blockquote>{{ category.note|urlize }}</blockquote>
-            {% endif %}
-        {% endblock %}
-
-        </div>
-    </div>
-
-    <div class="row">
-        <div class="col-md-8">
-
-            <div>
-                <h4>
-                    Список
-                    <sup class="small mod__has_tooltip" title="Новые сверху">
-                        <span class="glyphicon glyphicon-info-sign"></span>
-                    </sup>
-                </h4><hr>
-            </div>
-
-            <div>
-
-{%  endblock %}
-
-
-{% block page_contents %}
-    {% include view.template_list_items %}
-{%  endblock %}
-
-
-{% block page_contents_post %}
-                {% include "sub_paginator.html" with paginator=items %}
-
-            </div>
-        </div>
-        <div id="bar__most_voted" class="col-md-4">
-            {% block bar_right %}
-            <div>
-                <h4>
-                    Лучшие
-                    <sup class="small mod__has_tooltip" title="По мнению пользователей сайта">
-                        <span class="glyphicon glyphicon-question-sign"></span>
-                    </sup>
-                </h4><hr>
-            </div>
-
-            <div class="marg__b_mid">
-                {% block most_voted %}
-                    {% if items_most_voted %}
-                        {% include view.template_list_items with items=items_most_voted %}
-                    {% else %}
-                        Пока этот список не сформирован. Оцените материалы раздела, чтобы исправить ситуацию.
-                    {% endif %}
-                {% endblock %}
-                <div class="clearfix"></div>
-            </div>
-            {% endblock %}
-        </div>
-    </div>
-
-{%  endblock %}
\ No newline at end of file
diff --git a/apps/templates/forms/sub_form.html b/apps/templates/forms/sub_form.html
deleted file mode 100644
index 4ef33336..00000000
--- a/apps/templates/forms/sub_form.html
+++ /dev/null
@@ -1,12 +0,0 @@
-<form class="form-horizontal" role="form" method="post" enctype="multipart/form-data" id="edit_form">
-    {% csrf_token %}
-    {% include "forms/sub_form_errors.html" with errors=form.non_field_errors %}
-    {% for field in form.visible_fields %}
-        {% include "forms/sub_form_field.html" with field=field %}
-    {% endfor %}
-    {% for field in form.hidden_fields %}
-        {{ field }}
-    {% endfor %}
-    <input type="hidden" name="pythonz_form" value="1" />
-    <input type="submit" class="btn btn-default btn-block btn-primary" value="{{ form.submit_title }}" />
-</form>
\ No newline at end of file
diff --git a/apps/templates/forms/sub_form_errors.html b/apps/templates/forms/sub_form_errors.html
deleted file mode 100644
index 5110c680..00000000
--- a/apps/templates/forms/sub_form_errors.html
+++ /dev/null
@@ -1,9 +0,0 @@
-{% if errors %}
-<div class="alert alert-error">
-    <ul class="unstyled">
-        {% for error in errors %}
-        <li>{{ error }}</li>
-        {% endfor %}
-    </ul>
-</div>
-{% endif %}
\ No newline at end of file
diff --git a/apps/templates/forms/sub_form_field.html b/apps/templates/forms/sub_form_field.html
deleted file mode 100644
index 5386318c..00000000
--- a/apps/templates/forms/sub_form_field.html
+++ /dev/null
@@ -1,27 +0,0 @@
-<div class="form-group {% if field.errors %}has-error{% endif %}" data-fieldname="{{ field.name }}">
-    {% if field.label %}
-        {% if not field.field.is_checkbox %}
-            <label class="col-lg-2 control-label" for="{{ field.id_for_label }}">{{ field.label }}{% if field.field.required %}<span class="cl__green">*</span>{% endif %}</label>
-        {% else %}
-            <div class="col-lg-2">{{ field }}</div>
-        {% endif %}
-        <div class="col-lg-10">
-    {% else %}
-        <div class="col-lg-12">
-    {% endif %}
-
-            {% if field.errors %}
-                <div class="label label-danger">{{ field.errors.0 }}</div>
-            {% endif %}
-
-
-            {% if field.field.is_checkbox %}
-                <label class="control-label" for="{{ field.id_for_label }}">{{ field.label }}</label>
-            {% else %}
-                {{ field }}
-            {% endif %}
-
-            {% if field.help_text %}<span class="help-block"><small>{{ field.help_text|safe }}</small></span>{% endif %}
-            <div id="xross_{{ field.name }}"></div>
-        </div>
-</div>
diff --git a/apps/templates/index.html b/apps/templates/index.html
deleted file mode 100644
index de85ba7d..00000000
--- a/apps/templates/index.html
+++ /dev/null
@@ -1,18 +0,0 @@
-{% extends "_base.html" %}
-{% load sitetree model_meta %}
-
-
-{% block page_title %}Про Python{% endblock %}
-
-{% block page_contents %}
-    <div class="features section">
-        <div class="row features_row">
-            {% for realm in realms %}
-                <div class="col-md-4 text-center box">
-                    <a href="{% url realm.get_listing_urlname %}"><i class="glyphicon glyphicon-{{ realm.icon }}"></i></a>
-                    <h4>{% model_meta_verbose_name_plural realm.model %}</h4>
-                </div>
-            {% endfor %}
-        </div>
-    </div>
-{%  endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/articles/details.html b/apps/templates/realms/articles/details.html
deleted file mode 100644
index d2b7056c..00000000
--- a/apps/templates/realms/articles/details.html
+++ /dev/null
@@ -1,80 +0,0 @@
-{% extends "base_details.html" %}
-{% load gravatar model_meta sitetree %}
-
-
-{% block meta_og %}
-    <meta property="og:type" content="article" />
-    <meta property="og:title" content="{{ article.title }}" />
-    {% if article.published_by_author %}
-    <meta property="og:author" content="{{ article.submitter }}" />
-    {% endif %}
-    <meta property="article:published_time" content="{{ article.time_published }}" />
-    <meta property="article:modified_time" content="{{ article.time_modified }}" />
-    {{ block.super }}
-{% endblock %}
-
-
-{% block schema_type %}Article{% endblock %}
-
-
-{% block page_contents %}
-    <div class="row">
-        <div class="col-md-12">
-            {% include "sub_title_block.html" %}
-        </div>
-    </div>
-    <div class="row">
-        <div class="col-md-12">
-            <div>
-                <div class="pull-right marg__l_mid marg__b_mid float_panel">
-                    {% if article.published_by_author %}
-                    <div class="well marg__b_mid text-center">
-                        {% with article.submitter.get_absolute_url as submitter_url %}
-                        <a href="{{ submitter_url }}">{% gravatar_get_img article.submitter 64 %}</a><br>
-                        <small><a href="{{ submitter_url }}">{{ article.submitter.get_display_name }}</a></small>
-                        {% endwith %}
-                    </div>
-                    {% endif %}
-                    {% include "sub_box_controls.html" %}
-                    {% include "sub_box_tags.html" %}
-                </div>
-                <div class="marg__b_mid text-muted">
-                    <small>
-                        {{ article.time_created }}
-                        {% if article.time_modified %}(<abbr title="Дата последнего редактирования">ред.</abbr> {{ article.time_modified }}){% endif %}
-                    </small>
-                </div>
-
-                <div class="lead">{{ article.description|linebreaksbr }}</div>
-                <div class="py_user">{{ article.text|safe }}</div>
-
-                {% if not article.is_handmade %}
-                    <div class="marg__t_mid">
-                        <span class="cl__gray glyphicon glyphicon-copyright-mark"></span>
-                        <i>С полным текстом статьи можно ознакомиться здесь: <a href="{{ article.url }}">{{ article.title }}</a></i>
-                    </div>
-                {% endif %}
-
-                {% if not article.published_by_author %}
-                <div class="marg__t_mid text-muted pull-right">
-                    {% include "sub_author_editor.html" %}
-                </div>
-                <div class="clearfix"></div>
-                {% endif %}
-
-                {% include "sub_box_share.html" %}
-            </div>
-        </div>
-    </div>
-    <div class="row">
-        <div class="col-md-12">
-            {% if article.published_by_author %}
-                {% with article.submitter as author %}
-                    {% include "sub_disqus.html" with shortname=author.disqus_shortname comments_enabled=author.comments_enabled category_id=author.disqus_category_id entity_name='article' entity_id=article.id %}
-                {% endwith %}
-            {% else %}
-                {% include "sub_disqus.html" with shortname="pythonz-discussions" comments_enabled=1 entity_name='article' entity_id=article.id %}
-            {% endif %}
-        </div>
-    </div>
-{%  endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/articles/list_items.html b/apps/templates/realms/articles/list_items.html
deleted file mode 100644
index a0c74342..00000000
--- a/apps/templates/realms/articles/list_items.html
+++ /dev/null
@@ -1,15 +0,0 @@
-<ul>
-{% for article in items %}
-    <li class="marg__b_mid">
-        <h4><a href="{{ article.get_absolute_url }}">{{ article.title }}</a></h4>
-        <div class="marg__b_min"><i>{{ article.description }}</i></div>
-        <small class="text-muted">
-            <div class="pull-left"><span class="label label-success">{{ article.supporters_num }}</span></div>
-            <span class="marg__l_min">
-            {{ article.time_created|date:"j E" }} &nbsp; &nbsp;/
-            {{ article.submitter.get_display_name }}
-            </span>
-        </small>
-    </li>
-{% endfor %}
-</ul>
\ No newline at end of file
diff --git a/apps/templates/realms/articles/listing.html b/apps/templates/realms/articles/listing.html
deleted file mode 100644
index 835fa210..00000000
--- a/apps/templates/realms/articles/listing.html
+++ /dev/null
@@ -1 +0,0 @@
-{% extends "base_listing.html" %}
diff --git a/apps/templates/realms/articles/tags.html b/apps/templates/realms/articles/tags.html
deleted file mode 100644
index 1ba26311..00000000
--- a/apps/templates/realms/articles/tags.html
+++ /dev/null
@@ -1 +0,0 @@
-{% extends "realms/articles/listing.html" %}
diff --git a/apps/templates/realms/books/details.html b/apps/templates/realms/books/details.html
deleted file mode 100644
index 6af0c788..00000000
--- a/apps/templates/realms/books/details.html
+++ /dev/null
@@ -1,58 +0,0 @@
-{% extends "base_details.html" %}
-{% load goodreads model_field %}
-
-
-{% block meta_og %}
-    <meta property="og:type" content="book" />
-    <meta property="og:title" content="{{ book.title }}" />
-    <meta property="og:author" content="{{ book.author }}" />
-    <meta property="og:release_date" content="{{ book.year }}" />
-    <meta property="og:isbn" content="{{ book.isbn|default:book.isbn_ebook }}" />
-    {{ block.super }}
-{% endblock %}
-
-
-{% block schema_type %}Book{% endblock %}
-
-
-{% block details_contents %}
-    <div class="marg__b_mid text-muted">
-        <small>
-            <span class="marg__r_mid py_user">{% model_field_verbose_name from book.author %}: {{ book.author }}</span>
-            <span class="marg__r_mid">{% model_field_verbose_name from book.year %}: {{ book.year }}</span>
-            {% if book.isbn or book.isbn_ebook %}
-                <span>
-                    {% if book.isbn %}
-                        <span class="marg__r_mid">
-                        {% model_field_verbose_name from book.isbn %} {% goodreads_get_search_tag book.isbn %}: <span itemprop="isbn">{{ book.isbn }}</span>
-                        </span>
-                    {% endif %}
-                    {% if book.isbn_ebook %}
-                        <span class="marg__r_mid">
-                            {% model_field_verbose_name from book.isbn_ebook %} {% goodreads_get_search_tag book.isbn_ebook %}: <span itemprop="isbn">{{ book.isbn_ebook }}</span>
-                        </span>
-                    {% endif %}
-                </span>
-            {% endif %}
-            {%  if book.translator %}
-                <span class="py_user">{% model_field_verbose_name from book.translator %}: {{ book.translator }}</span>
-            {% endif %}
-        </small>
-    </div>
-{%  endblock %}
-
-
-{% block details_discussions_pre %}
-
-    <div class="marg__t_mid">
-        <hr>
-        <h4><span class="glyphicon glyphicon-shopping-cart small"></span> Книга в интернет-магазинах</h4>
-        <div id="list_partner_links" class="xross">
-
-            <div class="alert alert-warning marg__t_mid" role="alert">
-                Пока вы осматриваетесь, мы пытаемся отыскать для вас эту книгу на полках интернет-магазинов &hellip;
-            </div>
-        </div>
-    </div>
-
-{% endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/books/list_items.html b/apps/templates/realms/books/list_items.html
deleted file mode 100644
index 0e1ae8dd..00000000
--- a/apps/templates/realms/books/list_items.html
+++ /dev/null
@@ -1 +0,0 @@
-{% extends "base_list_items.html" %}
diff --git a/apps/templates/realms/books/listing.html b/apps/templates/realms/books/listing.html
deleted file mode 100644
index 4091516f..00000000
--- a/apps/templates/realms/books/listing.html
+++ /dev/null
@@ -1 +0,0 @@
-{% include "base_listing.html" with items=books %}
\ No newline at end of file
diff --git a/apps/templates/realms/books/tags.html b/apps/templates/realms/books/tags.html
deleted file mode 100644
index 15a68163..00000000
--- a/apps/templates/realms/books/tags.html
+++ /dev/null
@@ -1 +0,0 @@
-{% extends "realms/books/listing.html" %}
diff --git a/apps/templates/realms/categories/_base.html b/apps/templates/realms/categories/_base.html
deleted file mode 100644
index 5119933c..00000000
--- a/apps/templates/realms/categories/_base.html
+++ /dev/null
@@ -1,13 +0,0 @@
-{% extends "_base.html" %}
-
-{% block page_contents %}
-    <div class="row">
-        <div class="col-md-12">
-            {% include "sub_title_block.html" %}
-        </div>
-    </div>
-
-    <div class="row">
-        {% block workarea %}{% endblock %}
-    </div>
-{%  endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/categories/details.html b/apps/templates/realms/categories/details.html
deleted file mode 100644
index 4ecc194e..00000000
--- a/apps/templates/realms/categories/details.html
+++ /dev/null
@@ -1,31 +0,0 @@
-{% extends "realms/categories/_base.html" %}
-{% load sitecats %}
-
-
-{% block page_description %}{{ item.note|truncatechars:100 }}{% endblock %}
-
-
-{% block page_keywords %}{{ block.super }}, {{ item.title }}{% endblock %}
-
-
-{% block workarea %}
-    {% if item.note %}
-        <blockquote>{{ item.note|urlize }}</blockquote>
-    {% endif %}
-
-    <div class="col-md-12">
-        {% for realm in realm_list %}
-            <div class="marg__l_mid marg__t_mid">
-                <h4>{{ realm.realm.model.get_verbose_name_plural }}</h4>
-                <div class="marg__l_mid">
-                    <ul>
-                        {% for item in realm.objects %}
-                            <li><a href="{{ item.get_absolute_url }}">{{ item.title }}</a></li>
-                        {% endfor %}
-                        <li>и <a href="{{ realm.url }}">другие&hellip;</a></li>
-                    </ul>
-                </div>
-            </div>
-        {% endfor %}
-    </div>
-{% endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/categories/listing.html b/apps/templates/realms/categories/listing.html
deleted file mode 100644
index 0451ca20..00000000
--- a/apps/templates/realms/categories/listing.html
+++ /dev/null
@@ -1,27 +0,0 @@
-{% extends "realms/categories/_base.html" %}
-{% load sitecats model_meta %}
-
-
-{% block workarea %}
-    <div class="col-md-12 features section">
-        <h4>Разделы</h4>
-        <div class="features_row marg__t_mid">
-            {% for realm in realms %}
-                {% if realm.show_on_main %}
-                <div class="feature text-center pull-left">
-                    <a href="{% url realm.get_listing_urlname %}">
-                        <i class="glyphicon glyphicon-{{ realm.icon }}"></i> <h5>{% model_meta_verbose_name_plural realm.model %}</h5>
-                    </a>
-                </div>
-                {% endif %}
-            {% endfor %}
-        </div>
-    </div>
-
-    <div class="col-md-12 tags_box" id="tags_box">
-        <h4>Материалы по категориям</h4>
-        <div class="big marg__t_max">
-            {% sitecats_categories from item %}
-        </div>
-    </div>
-{% endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/communities/list_items.html b/apps/templates/realms/communities/list_items.html
deleted file mode 100644
index 64cc3f19..00000000
--- a/apps/templates/realms/communities/list_items.html
+++ /dev/null
@@ -1,20 +0,0 @@
-{% load model_field %}
-
-{% if items %}
-    {% model_field_verbose_name from items.supporters_num as title_supporters %}
-    {% model_field_verbose_name from items.url as title_url %}
-    <ul>
-    {% for community in items %}
-        <li class="marg__b_mid">
-            <h4><a href="{{ community.get_absolute_url }}">{{ community.title }}</a></h4>
-            <div class="marg__b_min"><i>{{ community.description }}</i></div>
-            <small class="text-muted">
-                <span class="label label-default">{{ title_supporters }}: {{ community.supporters_num }}</span> &nbsp;&nbsp;
-                {% if community.url %}
-                    <span>{{ title_url }}: <a href="{{ community.url }}">{{ community.url }}</a></span>
-                {% endif %}
-            </small>
-        </li>
-    {% endfor %}
-    </ul>
-{% endif %}
\ No newline at end of file
diff --git a/apps/templates/realms/communities/listing.html b/apps/templates/realms/communities/listing.html
deleted file mode 100644
index 835fa210..00000000
--- a/apps/templates/realms/communities/listing.html
+++ /dev/null
@@ -1 +0,0 @@
-{% extends "base_listing.html" %}
diff --git a/apps/templates/realms/communities/tags.html b/apps/templates/realms/communities/tags.html
deleted file mode 100644
index 6195b528..00000000
--- a/apps/templates/realms/communities/tags.html
+++ /dev/null
@@ -1 +0,0 @@
-{% extends "realms/communities/listing.html" %}
diff --git a/apps/templates/realms/discussions/details.html b/apps/templates/realms/discussions/details.html
deleted file mode 100644
index 07c09c31..00000000
--- a/apps/templates/realms/discussions/details.html
+++ /dev/null
@@ -1,45 +0,0 @@
-{% extends "_base.html" %}
-{% load gravatar model_meta sitetree %}
-
-{% block page_contents %}
-    <div class="row">
-        <div class="col-md-12">
-            {% include "sub_title_block.html" %}
-        </div>
-    </div>
-    <div class="row">
-        <div class="col-md-12">
-            <div>
-                <div class="pull-right marg__l_mid marg__b_mid float_panel">
-                    <div class="well marg__b_mid text-center">
-                        {% with discussion.submitter.get_absolute_url as submitter_url %}
-                        <a href="{{ submitter_url }}">{% gravatar_get_img discussion.submitter 64 %}</a><br>
-                        <small><a href="{{ submitter_url }}">{{ discussion.submitter.get_display_name }}</a></small>
-                        {% endwith %}
-                    </div>
-                    {% include "sub_box_controls.html" %}
-                    {% include "sub_box_tags.html" %}
-                </div>
-                <div class="marg__b_min ">
-                    <small class="text-muted">
-                        {{ discussion.time_created }}
-                        {% if discussion.time_modified %}(<abbr title="Дата последнего редактирования">ред.</abbr> {{ discussion.time_modified }}){% endif %}
-                        <div>
-                            {% if discussion.linked_object %}
-                                Навеяно объектом
-                                <a href="{{ discussion.linked_object.get_absolute_url }}">{% model_meta_verbose_name discussion.linked_object %} «{{ discussion.linked_object.title }}»</a>
-                            {% endif %}
-                        </div>
-                    </small>
-                </div>
-                <div class="py_user">{{ discussion.text|safe }}</div>
-            </div>
-            {% include "sub_box_share.html" %}
-        </div>
-    </div>
-    <div class="row">
-        <div class="col-md-12">
-            {% include "sub_disqus.html" with shortname="pythonz-discussions" comments_enabled=1 entity_name='discussion' entity_id=discussion.id %}
-        </div>
-    </div>
-{%  endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/discussions/listing.html b/apps/templates/realms/discussions/listing.html
deleted file mode 100644
index 835fa210..00000000
--- a/apps/templates/realms/discussions/listing.html
+++ /dev/null
@@ -1 +0,0 @@
-{% extends "base_listing.html" %}
diff --git a/apps/templates/realms/discussions/sub_discussions.html b/apps/templates/realms/discussions/sub_discussions.html
deleted file mode 100644
index ea4423fe..00000000
--- a/apps/templates/realms/discussions/sub_discussions.html
+++ /dev/null
@@ -1,46 +0,0 @@
-{% if show_form_for %}
-    {% if request.user.is_authenticated %}
-        <div class="pull-right">
-            <form method="post" action="{% url "discussions:add" %}">
-                {% csrf_token %}
-                <input type="hidden" name="pythonz_form" value="1" />
-                <input type="hidden" name="related_item_realm" value="{{ show_form_for.realm.name }}">
-                <input type="hidden" name="related_item_id" value="{{ show_form_for.id }}">
-                <button class="btn btn-sm">
-                    <span class="glyphicon glyphicon-list"></span> Обсудить&hellip;
-                </button>
-            </form>
-        </div>
-    {% endif %}
-{% endif %}
-
-{% if not no_title %}<h4>Связанные обсуждения</h4>{% endif %}
-
-<div class="marg__t_mid">
-    {% if items %}
-        <ul class="discussions">
-            {% for discussion in items %}
-                <li class="discussion">
-                    <small class="cl__gray">{{ discussion.time_created|date:"d E H:i" }}</small>
-                    {% if request.user.id == discussion.submitter_id %}
-                        <small class="pull-right"><span class="label label-success">моё</span></small>
-                    {% endif %}
-                    <br>
-                    <a href="{% url "discussions:details" discussion.id %}" class="item" title="Страница обсуждения">{{ discussion.title }}</a>
-                    {% if show_texts %}
-                        <div>
-                            {{ discussion.text|truncatechars_html:360|safe }}
-                        </div>
-                    {% endif %}
-                </li>
-            {% endfor %}
-        </ul>
-    {% else %}
-        <small class="text-muted">
-            Нет обсуждений для отображения.
-            {% if not request.user.is_authenticated %}
-            <br>Если у вас есть, что сказать, можете <a href="{% url "login" %}">представиться</a> и исправить ситуацию.
-            {% endif %}
-        </small>
-    {% endif %}
-</div>
\ No newline at end of file
diff --git a/apps/templates/realms/discussions/tags.html b/apps/templates/realms/discussions/tags.html
deleted file mode 100644
index 9ab36c85..00000000
--- a/apps/templates/realms/discussions/tags.html
+++ /dev/null
@@ -1 +0,0 @@
-{% extends "realms/discussions/listing.html" %}
diff --git a/apps/templates/realms/events/details.html b/apps/templates/realms/events/details.html
deleted file mode 100644
index 1a1a23db..00000000
--- a/apps/templates/realms/events/details.html
+++ /dev/null
@@ -1,64 +0,0 @@
-{% extends "base_details.html" %}
-{% load model_field %}
-
-
-{% block meta_og %}
-    <meta property="og:type" content="event" />
-    <meta property="og:title" content="{{ event.title }}" />
-    {{ block.super }}
-{% endblock %}
-
-
-{% block schema_type %}Event{% endblock %}
-
-
-{% block details_contents %}
-    <div class="marg__b_mid">
-        <h4>
-            {{ event.get_display_type }} <span class="cl__gray">&#8212; {{ event.get_display_specialization }}</span>
-            <div class="pull-right">
-                {% if event.fee %}
-                    <span class="label label-danger" title="За участие взымается плата">Платно</span>
-                {% else %}
-                    <span class="label label-success" title="Участие беслатное">Бесплатно</span>
-                {% endif %}
-            </div>
-        </h4>
-        {% if event.is_in_past %}
-            <h4><span class="label label-danger">Событие уже в прошлом</span></h4>
-        {% endif %}
-        <div class="small">
-            {% if event.place %}
-                <div><a href="{{ event.place.get_absolute_url }}">{{ event.place.title }}</a></div>
-            {% endif %}
-            {% if event.time_start %}
-                {{ event.time_start|date:"d E H:i" }}
-                {% if event.time_finish %}
-                    &#8212; {{ event.time_finish|date:"d E H:i" }}
-                {% endif %}
-                {% if not event.is_in_past %}
-                <span class="cl__gray">
-                    &nbsp; {% if event.is_now %}[проходит прямо сейчас]{% else %}[{{ event.time_start|timeuntil }} до начала]{% endif %}
-                </span>
-                    {% if not event.is_now %}
-                    <div class="marg__t_min">
-                        {% include "sub_ya_forgetmenot.html" %}
-                    </div>
-                    {% endif %}
-                {% endif %}
-            {% endif %}
-        </div>
-    </div>
-{% endblock %}
-
-
-{% block details_contents_add %}
-    <div class="text-muted marg__b_mid small">
-        {% if event.url %}<div><a href="{{ event.url }}">{{ event.url }}</a></div>{% endif %}
-        {% if event.contacts %}<div class="py_user">{% model_field_verbose_name from event.contacts %}: {{ event.contacts }}</div>{% endif %}
-    </div>
-
-    <div class="py_user marg__b_mid">
-        {{ event.text|safe }}
-    </div>
-{% endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/events/list_items.html b/apps/templates/realms/events/list_items.html
deleted file mode 100644
index 59aee592..00000000
--- a/apps/templates/realms/events/list_items.html
+++ /dev/null
@@ -1,32 +0,0 @@
-{% load thumbs %}
-
-{% for event in items %}
-    <div class="listing_item">
-        <div class="rating"><span class="label label-default">{{ event.supporters_num }}</span></div>
-        <div class="cover_img float-right">
-        <a href="{{ event.get_absolute_url }}">
-            {% thumbs_get_thumb_url event.cover 100 131 event.realm as "thumb_url" %}
-            <b>{{ abra }}</b>
-            {% if thumb_url %}
-            <img src="{{ thumb_url }}" class="img-thumbnail faded">
-            {% else %}
-                <span class="img-thumbnail icon_entity glyphicon glyphicon-{{ realm.icon }}"></span>
-            {% endif %}
-        </a>
-        </div>
-        <div class="description float-right">
-            <a href="{{ event.get_absolute_url }}" title="{{ event.title }}">{{ event.title|truncatechars:58 }}</a>
-            <div class="small">
-                {% if event.is_in_past %}
-                    <h5><span class="label label-danger">Событие уже в прошлом</span></h5>
-                {% else %}
-                    {% if event.time_start %}
-                        {{ event.time_start|date:"d M H:i" }} {% if event.time_finish %}&#8212; {{ event.time_finish|date:"d M H:i" }}{% endif %}
-                    {% endif %}
-                {% endif %}
-                {{ event.get_display_type }}<br>
-                <span class="cl__green"><b>{{ event.get_display_specialization }}</b></span>
-            </div>
-        </div>
-    </div>
-{% endfor %}
\ No newline at end of file
diff --git a/apps/templates/realms/events/listing.html b/apps/templates/realms/events/listing.html
deleted file mode 100644
index 835fa210..00000000
--- a/apps/templates/realms/events/listing.html
+++ /dev/null
@@ -1 +0,0 @@
-{% extends "base_listing.html" %}
diff --git a/apps/templates/realms/events/tags.html b/apps/templates/realms/events/tags.html
deleted file mode 100644
index 2db8407a..00000000
--- a/apps/templates/realms/events/tags.html
+++ /dev/null
@@ -1 +0,0 @@
-{% extends "realms/events/listing.html" %}
diff --git a/apps/templates/realms/places/details.html b/apps/templates/realms/places/details.html
deleted file mode 100644
index f7f8480c..00000000
--- a/apps/templates/realms/places/details.html
+++ /dev/null
@@ -1,61 +0,0 @@
-{% extends "base_details.html" %}
-{% load sitecats %}
-
-
-{% block head %}
-    {{ block.super }}
-    <script src="http://api-maps.yandex.ru/2.1/?lang=ru_RU" type="text/javascript"></script>
-{% endblock %}
-
-
-{% block schema_type %}Place{% endblock %}
-
-
-{% block cover %}
-    <div id="cover_map" style="width: 260px; height: 300px;"></div>
-    <script type="text/javascript">
-        ymaps.ready(function() {
-            var pos = [{{ item.geo_pos }}],
-                title = '{{ item.title }}',
-                cover_map = new ymaps.Map('cover_map', {center: pos, zoom: 2, controls: []}),
-                place_mark = new ymaps.Placemark(pos, {iconContent: title}, {preset: 'islands#darkBlueStretchyIcon'});
-            cover_map.geoObjects.add(place_mark);
-        });
-    </script>
-{% endblock %}
-
-
-{% block details_contents %}
-
-    {% if allow_im_here %}
-        <div id="im_here_box" class="marg__b_mid">
-            <button id="set_im_here" data-xtarget="im_here_box" data-xsuccess="remove" class="xross btn btn-warning" title="Нажмите, если находитесь в этом месте.">Я здесь!</button>
-        </div>
-    {% endif %}
-
-    {{ block.super }}
-{% endblock %}
-
-
-{% block right_bar %}
-    {% if stats_salary %}
-    <div class="panel panel-default">
-        <div class="panel-body">
-            {% include "realms/vacancies/stats_salary.html" %}
-        </div>
-    </div>
-    {% endif %}
-    {{ block.super }}
-{% endblock %}
-
-
-{% block details_contents_after %}
-    <div class="marg__b_mid marg__t_max">
-        {% include "realms/places/sub_realm_links.html" with items=users title="Люди" %}
-        {% include "realms/places/sub_realm_links.html" with items=communities title="Сообщества" %}
-        {% include "realms/places/sub_realm_links.html" with items=events title="События" %}
-        {% include "realms/places/sub_realm_links.html" with items=vacancies title="Вакансии" %}
-    </div>
-{% endblock %}
-
-{% block details_linked %}{% endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/places/sub_realm_links.html b/apps/templates/realms/places/sub_realm_links.html
deleted file mode 100644
index 06f1ccc4..00000000
--- a/apps/templates/realms/places/sub_realm_links.html
+++ /dev/null
@@ -1,13 +0,0 @@
-{% if items %}
-    <div class="marg__b_mid">
-        <h4>{{ title }}</h4>
-        <ul>
-        {% for item in items %}
-            <li class="marg__t_min">
-                <a href="{{ item.get_absolute_url }}">{{ item.title }}</a><br>
-                <small class="cl__gray">{{ item.description }}</small>
-            </li>
-        {% endfor %}
-        </ul>
-    </div>
-{% endif %}
\ No newline at end of file
diff --git a/apps/templates/realms/references/details.html b/apps/templates/realms/references/details.html
deleted file mode 100644
index a75fc768..00000000
--- a/apps/templates/realms/references/details.html
+++ /dev/null
@@ -1,137 +0,0 @@
-{% extends "base_details.html" %}
-{% load model_field %}
-
-
-{% block js_bottom %}
-    <script type="text/javascript">
-        $(function(){
-            pythonz.Reference.decorate_description('area_description');
-            pythonz.Reference.decorate_func_params('area_func_params');
-            pythonz.Reference.decorate_func_result('area_func_result');
-        });
-    </script>
-{% endblock %}
-
-
-{% block details_contents %}
-
-    <div class="marg__b_mid marg__l_mid pull-right">
-        {% if reference.version_added %}
-        <div class="label label-info" title="{% model_field_verbose_name from reference.version_added %}">{{ reference.version_added }}</div>
-        {% endif %}
-        {% if reference.version_deprecated %}
-        <div class="label label-danger" title="{% model_field_verbose_name from reference.version_deprecated %}">{{ reference.version_deprecated }}</div>
-        {% endif %}
-    </div>
-
-{%  endblock %}
-
-
-{% block details_contents_add %}
-
-    {% if reference.is_type_callable %}
-        <div class="marg__b_mid">
-
-            {% if reference.func_proto %}
-            <div class="marg__b_mid">
-                <h6>Прототип</h6>
-                <div id="area_func_proto">
-                    {{ reference.func_proto }}
-                </div>
-            </div>
-            {% endif %}
-
-            {% if reference.func_params %}
-            <div class="marg__b_mid">
-                <h6>Параметры</h6>
-                <div id="area_func_params">
-                    {{ reference.func_params|linebreaksbr }}
-                </div>
-            </div>
-            {% endif %}
-
-            {% if reference.func_result %}
-            <div class="marg__b_mid">
-                <h6>Результат</h6>
-                <div id="area_func_result">
-                    {{ reference.func_result }}
-                </div>
-            </div>
-            {% endif %}
-
-        </div>
-    {% endif %}
-
-    <h6>Описание</h6>
-    <div id="area_description">
-        {{ reference.text|safe }}
-    </div>
-{% endblock %}
-
-
-{% block details_contents_after %}
-    {% if children %}
-    <div class="marg__t_max">
-        {% if reference.is_type_class %}
-            <h6>Атрибуты</h6>
-        {% else %}
-            <h6>Темы раздела</h6>
-        {% endif %}
-
-        {% include "realms/references/sub_list.html" with items=children show_descriptions=1 %}
-    </div>
-    {% endif %}
-
-    {% if siblings %}
-    <div class="marg__t_max">
-        {% if reference.is_type_method %}
-            <h6>Другие атрибуты</h6>
-        {% else %}
-            <h6>Соседние темы</h6>
-        {% endif %}
-
-        {% include "realms/references/sub_list.html" with items=siblings show_descriptions=1 %}
-    </div>
-    {% endif %}
-
-{%  endblock %}
-
-
-{% block right_bar %}
-
-    {% if request.user.is_authenticated %}
-    <div class="well well-sm">
-        <div class="marg__b_min">Дополнить справочник:</div>
-        <div>
-            {% include "realms/references/quick_add_form.html" with parent=reference.parent_id title='Добавить по соседству' %}
-            {% include "realms/references/quick_add_form.html" with parent=reference.id title='Добавить вложенно' %}
-        </div>
-        <div class="clearfix"></div>
-    </div>
-    {% endif %}
-
-    {% if reference.parent %}
-    <div class="marg__t_min">
-        <h6>Родительский раздел</h6>
-        <a href="{% url "references:details_slug" reference.parent.slug %}">{{ reference.parent.title }}</a>
-    </div>
-    {% endif %}
-
-{% endblock %}
-
-
-{% block details_author %}
-    <div class="pull-left">
-        {% include "sub_box_share.html" %}
-    </div>
-    {{ block.super }}
-{% endblock %}
-
-
-{% block details_share %}{% endblock %}
-
-
-{% block details_linked %}{% endblock %}
-
-
-{% block cover %}{% endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/references/edit.html b/apps/templates/realms/references/edit.html
deleted file mode 100644
index 7f6e9cf5..00000000
--- a/apps/templates/realms/references/edit.html
+++ /dev/null
@@ -1,35 +0,0 @@
-{% extends "base_edit.html" %}
-
-
-{% block head %}
-    {{ block.super }}
-    <script type="text/javascript">
-
-        function toggle_form_fields() {
-            var show = $.inArray($('#id_type').val(), ['4', '6']) > -1;
-
-            $('.form-group', '#edit_form').each(function(idx, el){
-                var $el = $(el);
-                if ($el.data('fieldname').indexOf('func_')===0) {
-                    $el.hide();
-                    if (show) {
-                        $el.show();
-                    }
-                }
-            });
-        }
-
-        $(function(){
-            $('#id_type').on('change', toggle_form_fields);
-            toggle_form_fields();
-        });
-    </script>
-{% endblock %}
-
-
-{% block hint %}
-    <ol>
-        <li>Заполняйте форму аккуратно;</li>
-        <li>Обратите особое внимание на правильность заполнения поля &laquo;Тип статьи&raquo;.</li>
-    </ol>
-{%  endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/references/sub_list.html b/apps/templates/realms/references/sub_list.html
deleted file mode 100644
index bf341f7c..00000000
--- a/apps/templates/realms/references/sub_list.html
+++ /dev/null
@@ -1,25 +0,0 @@
-<table class="text-muted">
-{% for item in items %}
-    <tr>
-        <td>
-        {% with item.version_deprecated as del %}
-
-            {% if del %}<del title="Устарело">{% endif %}
-            <a href="{{ item.get_absolute_url }}">{{ item.title }}</a>
-            {% if del %}</del>{% endif %}
-
-            </td>
-            {% if show_descriptions %}
-                <td>
-                    &nbsp; <small>&#8212;
-                    {% if del %}<del title="Устарело">{% endif %}
-                    {{ item.description|truncatechars:85 }}
-                    {% if del %}</del>{% endif %}
-                    </small>
-                </td>
-            {% endif %}
-
-        {% endwith %}
-    </tr>
-{% endfor %}
-</table>
\ No newline at end of file
diff --git a/apps/templates/realms/users/details.html b/apps/templates/realms/users/details.html
deleted file mode 100644
index 6995c72f..00000000
--- a/apps/templates/realms/users/details.html
+++ /dev/null
@@ -1,85 +0,0 @@
-{% extends "base_details.html" %}
-{% load gravatar sitetree model_field %}
-
-
-{% block meta_og %}
-    <meta property="og:type" content="profile" />
-    <meta property="og:title" content="{{ user.get_display_name }}" />
-    <meta property="og:first_name" content="{{ user.first_name }}" />
-    <meta property="og:last_name" content="{{ user.last_name }}" />
-    <meta property="og:username" content="{{ user.get_username_partial }}" />
-
-    <meta property="og:description" content="{% sitetree_page_description from "main" %}" />
-    <meta property="og:image" content="{% gravatar_get_url user 180 %}" />
-{% endblock %}
-
-
-{% block schema_type %}Person{% endblock %}
-
-
-{% block details_contents %}
-    <h4>Информация</h4>
-    <div class="marg__b_mid text-muted marg__l_mid">
-        <small>
-            <table>
-                <tr>
-                    <td width="45%">{% model_field_verbose_name from user.username %}:</td>
-                    <td>{{ user.get_username_partial }}</td>
-                </tr>
-                <tr>
-                    <td>{% model_field_verbose_name from user.date_joined %}:</td>
-                    <td>{{ user.date_joined }}</td>
-                </tr>
-                <tr>
-                    <td colspan="2">
-                        &nbsp;
-                    </td>
-                </tr>
-            {% if user.place %}
-                <tr>
-                    <td>{% model_field_verbose_name from user.place %}:</td>
-                    <td><a href="{{ user.place.get_absolute_url }}">{{ user.place.title }}</a></td>
-                </tr>
-            {% endif %}
-            {% if user.email_public %}
-                <tr>
-                    <td>{% model_field_verbose_name from user.email_public %}:</td>
-                    <td><a href="mailto:{{ user.email_public }}">{{ user.email_public }}</a></td>
-                </tr>
-            {% endif %}
-            {% if user.url %}
-                <tr>
-                    <td>{% model_field_verbose_name from user.url %}:</td>
-                    <td><a href="{{ user.url }}">{{ user.url }}</a></td>
-                </tr>
-            {% endif %}
-            </table>
-        </small>
-    </div>
-    <div class="marg__t_max">
-        {% if bookmarks %}
-        <hr>
-        <h4>Избранное</h4>
-        {% for realm_model, bookmark_list in bookmarks.items %}
-            {% if bookmark_list %}
-            <div class="marg__l_mid marg__t_mid">
-                <h5>{{ realm_model.get_verbose_name_plural }}</h5>
-                <ul>
-                    {% for item in bookmark_list %}
-                        <li><a href="{{ item.get_absolute_url }}">{{ item.title }}</a></li>
-                    {% endfor %}
-                </ul>
-            </div>
-            {% endif %}
-        {% endfor %}
-        {% endif %}
-    </div>
-{%  endblock %}
-
-{% block details_share %}{% endblock %}
-{% block details_tags %}{% endblock %}
-{% block details_linked %}{% endblock %}
-
-{% block cover %}
-    <img src="{% gravatar_get_url user 180 %}" class="img-thumbnail" alt="{{ user.get_display_name }}">
-{% endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/users/edit.html b/apps/templates/realms/users/edit.html
deleted file mode 100644
index 744a4be7..00000000
--- a/apps/templates/realms/users/edit.html
+++ /dev/null
@@ -1,22 +0,0 @@
-{% extends "base_edit.html" %}
-{% load sitemessage %}
-
-{% block hint %}
-    <ol>
-        <li>Аватары берутся с сервиса <a href="http://ru.gravatar.com/">Gravatar</a> и привязаны к адресу электронной почты;</li>
-        <li>Реальные имена и фамилии приветствуются;</li>
-        <li>Зарегистрировать форум Disqus для поддержки комментариев к вашим публикациям можно <a href="http://disqus.com/admin/create/">здесь</a>.</li>
-    </ol>
-{%  endblock %}
-
-
-{% block right_bar %}
-    {{ block.super }}
-    <h3>Подписка</h3>
-    <form class="form-horizontal" role="form" method="post">
-        {% csrf_token %}
-        {% sitemessage_prefs_table from subscr_prefs template "sitemessage/user_prefs_table-bootstrap.html" %}
-
-        <input type="submit" class="btn btn-default btn-block btn-primary" value="Сохранить настройки" />
-    </form>
-{% endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/users/listing.html b/apps/templates/realms/users/listing.html
deleted file mode 100644
index aec14f35..00000000
--- a/apps/templates/realms/users/listing.html
+++ /dev/null
@@ -1,32 +0,0 @@
-{% extends "_base.html" %}
-{% load gravatar model_field %}
-
-
-{% block page_keywords %}{{ realm.view_listing_keywords }}{% endblock %}
-
-
-{% block page_contents %}
-
-    <div class="row">
-        <div class="col-md-12">
-            {% include "sub_title_block.html" %}
-        </div>
-    </div>
-
-    <div class="row">
-        <div class="col-md-12">
-            {% model_field_verbose_name from users.supporters_num as title_support %}
-            {% for user in users %}
-                {% if user.is_active %}
-                <div class="pull-left userlist_item">
-                    <a href="{{ user.get_absolute_url }}" title="{{ user.get_display_name }}">
-                        <img src="{% gravatar_get_url user %}">
-                    </a>
-                </div>
-                {% endif %}
-            {% endfor %}
-        </div>
-    </div>
-
-    {% include "sub_paginator.html" with paginator=users %}
-{%  endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/vacancies/list_items.html b/apps/templates/realms/vacancies/list_items.html
deleted file mode 100644
index bd37dd38..00000000
--- a/apps/templates/realms/vacancies/list_items.html
+++ /dev/null
@@ -1,44 +0,0 @@
-<div class="marg__t_mid">
-    {% if items %}
-        <ul class="vacancies media-list">
-            {% for vacancy in items %}
-                <li class="vacancy media">
-
-                    <div class="media-body">
-                        <h4><a href="{{ vacancy.url_site }}">{{ vacancy.title }}</a></h4>
-                        <div class="cl__gray marg__b_min">
-                            <small>
-                                <span class="marg__r_mid"><strong>{{ vacancy.employer_name }}</strong></span>
-
-                                {% if vacancy.place %}
-                                    {% if vacancy.place.is_published %}
-                                        <a href="{{ vacancy.place.get_absolute_url }}">{{ vacancy.place.title }}</a>
-                                    {% else %}
-                                        {{ vacancy.place.title }}
-                                    {% endif %}
-                                {% endif %}
-                            </small>
-                        </div>
-
-                        {% if vacancy.salary_from %}
-                            <span class="label label-info marg__r_mid">{{ vacancy.get_salary_str }}</span>
-                        {% endif %}
-
-                        <small class="cl__gray">
-                            <small>{{ vacancy.time_created|date:"d E H:i" }}</small>
-                        </small>
-                    </div>
-
-                    {% if vacancy.url_logo %}
-                        <div class="media-right">
-                            <img src="{{ vacancy.url_logo }}" class="img-thumbnail media-object">
-                        </div>
-                    {% endif %}
-                    <hr>
-                </li>
-            {% endfor %}
-        </ul>
-    {% else %}
-        <small class="text-muted">На данный момент нет вакансий доступных для отображения.</small>
-    {% endif %}
-</div>
\ No newline at end of file
diff --git a/apps/templates/realms/vacancies/listing.html b/apps/templates/realms/vacancies/listing.html
deleted file mode 100644
index 068ae717..00000000
--- a/apps/templates/realms/vacancies/listing.html
+++ /dev/null
@@ -1,41 +0,0 @@
-{% extends "base_listing.html" %}
-
-{% block bar_right %}
-
-    <div>
-        <h4>Статистика
-        <sup class="small mod__has_tooltip" title="Собрана по данным вакансий, актуальных на текущий момент">
-            <span class="glyphicon glyphicon-question-sign"></span>
-        </sup>
-        </h4><hr>
-    </div>
-
-    <div class="marg__b_mid">
-
-        {% include "realms/vacancies/stats_salary.html" %}
-
-        {% if stats_places %}
-            <h4>Места</h4>
-            <table class="table">
-                <tbody>
-                    {% for stat_row in stats_places %}
-                    <tr>
-                        <td>
-                            {% if stat_row.is_published %}
-                            <a href="{{ stat_row.get_absolute_url }}">{{ stat_row.title }}</a>
-                            {% else %}
-                            {{ stat_row.title }}
-                            {% endif %}
-                        </td>
-                        <td>{{ stat_row.vacancies_count }}</td>
-                    </tr>
-                    {% endfor %}
-                </tbody>
-            </table>
-        {% endif %}
-
-        <div class="clearfix"></div>
-    </div>
-
-
-{% endblock %}
diff --git a/apps/templates/realms/videos/details.html b/apps/templates/realms/videos/details.html
deleted file mode 100644
index fd8e4b45..00000000
--- a/apps/templates/realms/videos/details.html
+++ /dev/null
@@ -1,30 +0,0 @@
-{% extends "base_details.html" %}
-{% load model_field %}
-
-
-{% block meta_og %}
-    <meta property="og:type" content="video.other" />
-    <meta property="og:title" content="{{ video.title }}" />
-    <meta property="og:actor" content="{{ video.author }}" />
-    <meta property="og:release_date" content="{{ video.year }}" />
-    {{ block.super }}
-{% endblock %}
-
-
-{% block schema_type %}VideoObject{% endblock %}
-
-
-{% block details_contents %}
-    <div>
-        {{ video.code|safe }}
-    </div>
-    <div class="marg__b_mid text-muted">
-        <small>
-            <span class="marg__r_mid py_user">{% model_field_verbose_name from video.author %}: {{ video.author }}</span>
-            <span class="marg__r_mid">{% model_field_verbose_name from video.year %}: {{ video.year }}</span>
-            {%  if video.translator %}
-                <span class="py_user">{% model_field_verbose_name from video.translator %}: {{ video.translator }}</span>
-            {% endif %}
-        </small>
-    </div>
-{%  endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/videos/list_items.html b/apps/templates/realms/videos/list_items.html
deleted file mode 100644
index 0e1ae8dd..00000000
--- a/apps/templates/realms/videos/list_items.html
+++ /dev/null
@@ -1 +0,0 @@
-{% extends "base_list_items.html" %}
diff --git a/apps/templates/realms/videos/listing.html b/apps/templates/realms/videos/listing.html
deleted file mode 100644
index e705f972..00000000
--- a/apps/templates/realms/videos/listing.html
+++ /dev/null
@@ -1 +0,0 @@
-{% include "base_listing.html" with items=videos %}
\ No newline at end of file
diff --git a/apps/templates/realms/videos/tags.html b/apps/templates/realms/videos/tags.html
deleted file mode 100644
index e6be7964..00000000
--- a/apps/templates/realms/videos/tags.html
+++ /dev/null
@@ -1 +0,0 @@
-{% extends "realms/videos/listing.html" %}
diff --git a/apps/templates/sitemessage/messages/new_entity__smtp.html b/apps/templates/sitemessage/messages/new_entity__smtp.html
deleted file mode 100644
index 11863fb0..00000000
--- a/apps/templates/sitemessage/messages/new_entity__smtp.html
+++ /dev/null
@@ -1,6 +0,0 @@
-{% extends "sitemessage/messages/base.html" %}
-
-
-{% block contents %}
-    <p>Новое на сайте: <a href="http://pythonz.net{{ entity_url }}">{{ entity_title }}</a>.</p>
-{% endblock %}
diff --git a/apps/templates/sitemessage/messages/simple__smtp.html b/apps/templates/sitemessage/messages/simple__smtp.html
deleted file mode 100644
index 59e5b48d..00000000
--- a/apps/templates/sitemessage/messages/simple__smtp.html
+++ /dev/null
@@ -1,5 +0,0 @@
-{% extends "sitemessage/messages/base.html" %}
-
-{% block contents %}
-    {{ text|safe }}
-{% endblock %}
\ No newline at end of file
diff --git a/apps/templates/sitetree/menu_top.html b/apps/templates/sitetree/menu_top.html
deleted file mode 100644
index cff31a73..00000000
--- a/apps/templates/sitetree/menu_top.html
+++ /dev/null
@@ -1,11 +0,0 @@
-{% load sitetree %}
-<ul class="nav navbar-nav">
-    {% for item in sitetree_items %}
-        {% sitetree_url for item as item_url %}
-        {% if item_url != '#unresolved' %}
-        <li class="{% if item.is_current or item.in_current_branch %}active{% endif %}">
-            <a href="{{ item_url }}">{{ item.title_resolved }}</a>
-        </li>
-        {% endif %}
-    {% endfor %}
-</ul>
\ No newline at end of file
diff --git a/apps/templates/static/500.html b/apps/templates/static/500.html
deleted file mode 100644
index 2818832b..00000000
--- a/apps/templates/static/500.html
+++ /dev/null
@@ -1,14 +0,0 @@
-{% extends "static/_base.html" %}
-
-
-{% block page_title %}{{ block.super }}500 Ошибка сервера{% endblock %}
-
-
-{% block heading %}500 Ошибка сервера{% endblock %}
-
-
-{% block body %}
-    Похоже, что у нас проблемы. На сервере произошла ошибка.<br>
-    Скорее всего мы уже знаем об этом и, может быть даже, занимаемся решеним проблемы.<br>
-    Вы же можете попробовать повторить запрос немного позже.
-{% endblock %}
diff --git a/apps/templates/static/_base.html b/apps/templates/static/_base.html
deleted file mode 100644
index 3812bc22..00000000
--- a/apps/templates/static/_base.html
+++ /dev/null
@@ -1,21 +0,0 @@
-{% extends "_base.html" %}
-
-{% block page_description %}{% endblock %}
-{% block page_title %}Про Python - {% endblock %}
-
-
-{% block page_contents %}
-
-    {% block heading_wrap %}
-    <div class="page-header">
-        <h1>{% block heading %}{% endblock %}</h1>
-    </div>
-    {% endblock %}
-
-    <div class="section">
-        {% block body %}{% endblock %}
-    </div>
-
-    {% block zen %}{% include "sub_zen.html" %}{% endblock %}
-
-{%  endblock %}
\ No newline at end of file
diff --git a/apps/templates/static/about.html b/apps/templates/static/about.html
deleted file mode 100644
index c967173f..00000000
--- a/apps/templates/static/about.html
+++ /dev/null
@@ -1,43 +0,0 @@
-{% extends "static/_base_sitetreed.html" %}
-
-{% block body %}
-
-        <p>
-            Это площадка для русскоязычного сообщества людей, создающих приложения при помощи
-            языка программирования Python, и попытка заинтересовать тех, кто ещё не знаком с ним.
-            <i>Приходите, приводите друзей.</i>
-        </p>
-
-        <div>
-            <h3>Помочь участием</h3>
-
-            <div>
-                <strong>Посетителям</strong>
-                <p>
-                    Регистрируйтесь, оценивайте материалы, добавляйте новые, актуализируйте информацию в имеющихся, принимайте участие в обсуждениях.
-                </p>
-
-                <strong>Разработчикам</strong>
-                <p>
-                    Проект разрабатывается открыто: вы можете посетить <a href="https://github.com/idlesign/pythonz/">страницу проекта на GitHub</a>,
-                    ознакомится с кодом и поучаствовать в развитии &#8212; поделиться идеей, задать вопрос, расширить функциональность, исправить ошибку.<br>
-                </p>
-
-                <strong>Безопасность</strong>
-                <p>
-                    В случае обнаружения проблемы безопасности в проекте, пожалуйста, сообщите о ней
-                    на адрес <a href="mailto:security@pythonz.net">security@pythonz.net</a> до обнародования.
-                    <br>
-                    В письме желательно указать на место в коде, ответственное за уязвимость. Хорошо, если вы также приведёте пример эксплуатации найденной уязвимости.
-                </p>
-            </div>
-        </div>
-
-
-        <h3>Помочь деньгами</h3>
-        <iframe frameborder="0" allowtransparency="true" scrolling="no" src="https://money.yandex.ru/embed/shop.xml?account=41001169612702&quickpay=shop&payment-type-choice=on&writer=seller&targets=%D0%92+%D0%BF%D0%BE%D0%BC%D0%BE%D1%89%D1%8C+%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82%D1%83+(%D0%BE%D0%BF%D0%BB%D0%B0%D1%82%D0%B0+%D1%85%D0%BE%D1%81%D1%82%D0%B8%D0%BD%D0%B3%D0%B0).&targets-hint=&default-sum=15&button-text=03&comment=on&hint=%D0%92%D0%B0%D1%88+%D0%BF%D1%80%D0%BE%D0%B8%D0%B7%D0%B2%D0%BE%D0%BB%D1%8C%D0%BD%D1%8B%D0%B9+%D0%BA%D0%BE%D0%BC%D0%BC%D0%B5%D0%BD%D1%82%D0%B0%D1%80%D0%B8%D0%B9%2C+%D0%B5%D1%81%D0%BB%D0%B8+%D0%B5%D1%81%D1%82%D1%8C+%D1%87%D1%82%D0%BE+%D1%81%D0%BA%D0%B0%D0%B7%D0%B0%D1%82%D1%8C.&successURL=" width="450" height="280"></iframe>
-
-{% endblock %}
-
-
-{% block zen %}{% endblock %}
diff --git a/apps/templates/static/promo.html b/apps/templates/static/promo.html
deleted file mode 100644
index 5ee59d76..00000000
--- a/apps/templates/static/promo.html
+++ /dev/null
@@ -1,88 +0,0 @@
-{% extends "static/_base_sitetreed.html" %}
-{% load sitetree %}
-
-
-{% block page_contents %}
-
-    <div class="page-header">
-        <h1>{% sitetree_page_title from "about" %}</h1>
-    </div>
-
-    <div class="section">
-        Python &#8212; высокоуровневый язык программирования с динамической типизацией, поддерживающий объектно-ориентированный,
-        функциональный и императивный стили программирования. Это язык общего назначения, на котором можно
-        одинаково успешно разрабатывать системные приложения с графическим интерфейсом, утилиты командной строки, научные приложения, игры, приложения для веб и много другое.
-    </div>
-
-    <div class="features section">
-        <div class="row features_row">
-            <div class="col-md-4 text-center">
-                <i class="fi-trophy"></i>
-                <h4>Простота изучения</h4>
-                <p>
-                    Благодаря лаконичности и отличной документированности изучать Python увлекательно и просто.
-                </p>
-            </div>
-
-            <div class="col-md-4 text-center">
-                <i class="fi-graph-trend"></i>
-                <h4>Эффективность</h4>
-                <p>
-                    Python позволяет быстро и эффективно разрабатывать программное обеспечение, а значит повысить продуктивность разработчика и снизить затраты на поддержку.
-                </p>
-            </div>
-            <div class="col-md-4 text-center">
-                <i class="fi-torsos-all"></i>
-                <h4>Сообщество</h4>
-                <p>
-                    Сообщество Python основывается на уважении и взаимопомощи: здесь привыкли помогать и советом, и делом.
-                </p>
-            </div>
-        </div>
-
-        <div class="row features_row">
-            <div class="col-md-4 text-center">
-                <i class="fi-battery-full"></i>
-                <h4>Батарейки в комплекте</h4>
-                <p>
-                    Богатая стандартная библиотека чрезвычайно облегчает решение многих задач. Дополнительные модули, доступные в сети, помогут решить практически любую задачу.
-                </p>
-            </div>
-            <div class="col-md-4 text-center">
-                <i class="fi-ticket"></i>
-                <h4>Открытая лицензия</h4>
-                <p>
-                    Лицензия Python является открытой и позволяет использовать его для создания коммерческих продуктов.
-                </p>
-            </div>
-            <div class="col-md-4 text-center">
-                <i class="fi-monitor"></i>
-                <h4>Кроссплатформенность</h4>
-                <p>
-                    Python работает на множестве операционных систем семейств Linux, Unix, OS X, Windows и др.
-                </p>
-            </div>
-        </div>
-    </div>
-
-    <div class="section">
-        <div class="page-header">
-            <h2>Где взять</h2>
-        </div>
-        <p>
-            Если вы используете операционные системы семейств Linux, Unix, или OS X, то Python у вас уже установлен.<br>
-            В остальных случаях, можете <a href="http://python.org/download/">скачать установочный пакет</a> с <a href="http://python.org/">официального сайта Python</a>.
-        </p>
-        <p>Откройте терминал, наберите <code>python</code>, нажмите клавишу <kbd>Enter</kbd>, чтобы перейти в интерактивный режим работы интерпретатора и узнать, какая версия питона установлена:</p>
-        <pre><code class="bash">
-            > python
-
-            Python 3.4.0 (default, Apr 11 2014, 13:05:11)
-            [GCC 4.8.2] on linux
-            Type "help", "copyright", "credits" or "license" for more information.
-            >>>
-        </code></pre>
-        <p>Нажмите <kbd>Ctrl+D</kbd>, чтобы покинуть интерактивный режим.</p>
-    </div>
-
-{%  endblock %}
\ No newline at end of file
diff --git a/apps/templates/static/search.html b/apps/templates/static/search.html
deleted file mode 100644
index 0bea7c99..00000000
--- a/apps/templates/static/search.html
+++ /dev/null
@@ -1,21 +0,0 @@
-{% extends "static/_base_sitetreed.html" %}
-
-{% block body %}
-    <div class="marg__b_mid small">Количество результатов: {{ results|length }}</div>
-    <div class="marg__l_mid">
-        {% if results %}
-            <ol>
-            {% for result in results %}
-                <li>
-                    <h4><a href="{{ result.get_absolute_url }}">{{ result.title }}</a></h4>
-                    <div><i>{{ result.description }}</i></div>
-                </li>
-            {% endfor %}
-            </ol>
-        {% else %}
-            <div class="alert alert-warning" role="alert">К сожалению, ничего не найдено.</div>
-        {% endif %}
-    </div>
-{%  endblock %}
-
-{% block zen %}{% endblock %}
\ No newline at end of file
diff --git a/apps/templates/sub_author_editor.html b/apps/templates/sub_author_editor.html
deleted file mode 100644
index b4beee4e..00000000
--- a/apps/templates/sub_author_editor.html
+++ /dev/null
@@ -1,17 +0,0 @@
-<small>
-    <small>
-
-    {% if item.submitter %}
-        <span class="marg__r_mid">
-        <a href="{{ item.submitter.get_absolute_url }}" class="mod__has_tooltip" title="Добавил: {{ item.submitter.get_display_name }}">
-            <span class="glyphicon glyphicon-user"></span></a> &nbsp;{{ item.time_created|date:"d b. y H:i" }}
-        </span>
-    {% endif %}
-
-    {% if item.was_edited %}
-        <a href="{{ item.last_editor.get_absolute_url }}" class="mod__has_tooltip" title="Редактировал: {{ item.last_editor.get_display_name }}">
-            <span class="glyphicon glyphicon-pencil"></span></a> &nbsp;{{ item.time_modified|date:"d b. y H:i" }}
-    {% endif %}
-
-    </small>
-</small>
diff --git a/apps/templates/sub_box_bookmark.html b/apps/templates/sub_box_bookmark.html
deleted file mode 100644
index 1accdd51..00000000
--- a/apps/templates/sub_box_bookmark.html
+++ /dev/null
@@ -1,10 +0,0 @@
-{% load model_meta %}
-{% if request.user.is_authenticated %}
-<span id="bookmark_box">
-    {% if item.is_bookmarked %}
-    <button id="toggle_bookmark" data-xaction="0" data-xtarget="bookmark_box" data-xsuccess="replace" class="xross btn btn-warning" title="{% model_meta_verbose_name item %} в избранном. Нажмите для отмены."><span class="glyphicon glyphicon-star"></span></button>
-    {% else %}
-    <button id="toggle_bookmark" data-xaction="1" data-xtarget="bookmark_box" data-xsuccess="replace" class="xross btn  btn-default" title="Нажмите, чтобы поместить в избранные {% model_meta_verbose_name_plural item %}."><span class="glyphicon glyphicon-star-empty"></span></button>
-    {% endif %}
-</span>
-{% endif %}
\ No newline at end of file
diff --git a/apps/templates/sub_box_controls.html b/apps/templates/sub_box_controls.html
deleted file mode 100644
index c78685f1..00000000
--- a/apps/templates/sub_box_controls.html
+++ /dev/null
@@ -1,11 +0,0 @@
-<div id="page_controls" class="well well-sm btn-group btn-group-sm">
-    {% if item_rating_allowed %}
-        {% include "sub_box_rating.html" %}
-    {% endif %}
-    {% include "sub_box_bookmark.html" %}
-    {% if item_edit_allowed %}
-        <form role="form" action="{% url realm.get_edit_urlname item.id %}" class="marg__l_mid">
-            <button type="submit" class="btn btn-default cl__blue" title="Редактировать"><span class="glyphicon glyphicon-pencil"></span></button>
-        </form>
-    {% endif %}
-</div>
diff --git a/apps/templates/sub_box_rating.html b/apps/templates/sub_box_rating.html
deleted file mode 100644
index 0a5dafd8..00000000
--- a/apps/templates/sub_box_rating.html
+++ /dev/null
@@ -1,20 +0,0 @@
-<span id="rate_box" class="text-center">
-    {% if request.user.is_authenticated %}
-        {% if item.my_support %}
-            <button id="set_rate" data-xaction="0" data-xtarget="rate_box" data-xsuccess="replace" class="xross btn btn-success" title="Сбросить оценку">
-                &nbsp; <span class="label label-success">{{ item.supporters_num }}</span> &nbsp;<span class="glyphicon glyphicon-thumbs-down"></span> &nbsp;
-
-            </button>
-        {% else %}
-            <button id="set_rate" data-xaction="1" data-xtarget="rate_box" data-xsuccess="replace" class="xross btn btn-default" title="Рекомендую!">
-                &nbsp; <span class="label label-success">{{ item.supporters_num }}</span> &nbsp;<span class="glyphicon glyphicon-thumbs-up"></span> &nbsp;
-            </button>
-        {% endif %}
-    {% else %}
-        <form action="{% url "login" %}">
-            <button class="btn btn-block btn-default">
-                &nbsp; <span class="label label-success" title="Рейтинг">{{ item.supporters_num }}</span> &nbsp; Рекомендую! &nbsp;
-            </button>
-        </form>
-    {% endif %}
-</span>
\ No newline at end of file
diff --git a/apps/templates/sub_box_share.html b/apps/templates/sub_box_share.html
deleted file mode 100644
index 94fb77c2..00000000
--- a/apps/templates/sub_box_share.html
+++ /dev/null
@@ -1,4 +0,0 @@
-<div class="marg__t_max marg__b_mid">
-<script type="text/javascript" src="//yandex.st/share/share.js" charset="utf-8"></script>
-<div class="yashare-auto-init" data-yashareL10n="ru" data-yashareQuickServices="vkontakte,facebook,twitter,gplus" data-yashareTheme="counter"></div>
-</div>
\ No newline at end of file
diff --git a/apps/templates/sub_disqus.html b/apps/templates/sub_disqus.html
deleted file mode 100644
index 0cb640af..00000000
--- a/apps/templates/sub_disqus.html
+++ /dev/null
@@ -1,23 +0,0 @@
-{% load sitetree %}
-
-{% if comments_enabled and shortname %}
-<div id="disqus_thread" class="marg__t_max"></div>
-<script type="text/javascript">
-    var disqus_shortname = '{{ shortname }}',
-        disqus_identifier = '{{ entity_name }}_{{ entity_id }}',
-        {% if category_id %}
-        disqus_category_id = '{{ category_id }}',
-        {% endif %}
-        disqus_title = '{% sitetree_page_title from "main" %}';
-
-    (function() {
-        var dsq = document.createElement('script'); dsq.type = 'text/javascript'; dsq.async = true;
-        dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
-        (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
-    })();
-</script>
-{% else %}
-    <div class="well well-sm">
-        <i>Комментарии отключены.</i>
-    </div>
-{% endif %}
\ No newline at end of file
diff --git a/apps/templates/sub_paginator.html b/apps/templates/sub_paginator.html
deleted file mode 100644
index 0363484f..00000000
--- a/apps/templates/sub_paginator.html
+++ /dev/null
@@ -1,21 +0,0 @@
-{% if paginator.paginator.num_pages > 1 %}
-<div class="row">
-    <div class="col-md-12">
-        <ul class="pagination pagination-sm">
-            {% if paginator.has_previous %}
-                <li><a href="?p=1">&lt;&lt;</a></li>
-                <li><a href="?p={{ paginator.previous_page_number }}">&lt;</a></li>
-            {% endif %}
-
-            {% for p in paginator.before_current %}<li><a href="?p={{ p }}">{{ p }}</a></li>{% endfor %}
-            <li class="active"><a href="?p={{ paginator.number }}">{{ paginator.number }}</a></li>
-            {% for p in paginator.after_current %}<li><a href="?p={{ p }}">{{ p }}</a></li>{% endfor %}
-
-            {% if paginator.has_next %}
-                <li><a href="?p={{ paginator.next_page_number }}">&gt;</a></li>
-                <li><a href="?p={{ paginator.paginator.num_pages }}">&gt;&gt;</a></li>
-            {% endif %}
-        </ul>
-    </div>
-</div>
-{% endif %}
\ No newline at end of file
diff --git a/apps/templates/sub_rst_hints.html b/apps/templates/sub_rst_hints.html
deleted file mode 100644
index af075d8c..00000000
--- a/apps/templates/sub_rst_hints.html
+++ /dev/null
@@ -1,118 +0,0 @@
-<ul class="nav nav-tabs">
-    <li class="active">
-        <a data-toggle="tab" href="#rst_src"><span class="glyphicon glyphicon-edit"></span> Редактирование</a>
-    </li>
-    <li>
-        <a data-toggle="tab" href="#rst_preview" id="preview_rst" class="xross"
-           data-xevent="click" data-xmethod="POST" data-xtarget="rst_preview" data-xform="edit_form">
-            <span class="glyphicon glyphicon-eye-open"></span> Предпросмотр
-        </a>
-    </li>
-    <li>
-        <a data-toggle="tab" href="#rst_help"><span class="glyphicon glyphicon-question-sign"></span> Справка</a>
-    </li>
-</ul>
-<div class="tab-content">
-    <div id="rst_src" class="marg__t_min tab-pane fade in active">
-        <textarea{0}>{1}</textarea>
-    </div>
-    <div id="rst_preview" class="marg__t_min tab-pane fade"></div>
-    <div id="rst_help" class="marg__t_min tab-pane fade">
-
-        <div class="marg__b_mid">
-            <strong>Строки</strong>
-            <div>
-                Перевод строки трактуется как начало нового параграфа.
-            </div>
-        </div>
-
-        <div class="marg__b_mid">
-            <strong>Ссылки</strong>
-            <div>
-                Ссылки на внешние ресурсы, начинающиеся с <i>http</i> форматируются автоматически.<br>
-                Можно скрыть ссылку под именем, используя следующий код:<br><br>
-                <pre><code class="nohighlight">Вставка ссылки `под именем&lt;http://pythonz.net/&gt;`_.</code></pre>
-            </div>
-        </div>
-
-        <div class="marg__b_mid">
-            <strong>Начертание</strong>
-            <div>
-                Для выделения слова или фразы <b>полужирным</b> используйте обрамление в двойные звёзды:<br><br>
-                <pre><code class="nohighlight">Выделение **полужирным**.</code></pre>
-
-                Для выделения слова или фразы <i>курсивом</i> используйте обрамление в звёзды:<br><br>
-                <pre><code class="nohighlight">Выделение *курсивом*.</code></pre>
-            </div>
-        </div>
-
-        <div class="marg__b_mid">
-            <strong>Акцентирование</strong>
-            <div>
-                Слово или фразу можно <code>акцентировать</code> путём обрамления в двойные апострофы:<br><br>
-                <pre><code class="nohighlight">Выделение ``акцентом``.</code></pre>
-            </div>
-        </div>
-
-        <div class="marg__b_mid">
-            <strong>Цитаты</strong>
-            <div>
-                Для оформления цитаты, обрамите её в тройные апострофы:<br><br>
-<pre><code class="nohighlight">```
-Это цитата.
-```</code></pre>
-            </div>
-        </div>
-
-        <div class="marg__b_mid">
-            <strong>Исходный код</strong>
-            <div>
-                Подсветка синтаксиса реализуется путём выделения кода в отдельный параграф,
-                начинающийся с инструкции <b>.. code:: имя_языка</b>, где <i>имя_языка</i> &mdash; название языка
-                программирования, например <i>python</i>:<br><br>
-
-<pre><code class="nohighlight">Некий текст.
-
-.. code:: python
-
-def my_function():
-"just a test"
-print 8/2
-
-
-И снова текст.</code></pre>
-                * Обратите внимание на необходимость наличия двойного переноса строки после блока кода.
-            </div>
-        </div>
-
-
-        <div class="marg__b_mid">
-            <strong>Gist от GitHub</strong>
-            <div>
-                Гисты могут быть вставлены в текст при помощи директивы <b>.. gist:: гитхаб_логин/ид_гиста</b>,
-                где <i>гитхаб_логин</i> &mdash; логин на GitHub, а <i>ид_гиста</i> &mdash; идентификатор гиста.<br>
-                Например, добавим гист с адреса
-                <a href="https://gist.github.com/idlesign/c1255817bb0234d9971a">
-                    https://gist.github.com/idlesign/c1255817bb0234d9971a
-                </a>:<br><br>
-                <pre><code class="nohighlight">.. gist:: idlesign/c1255817bb0234d9971a</code></pre>
-                * Обратите внимание на необходимость наличия переноса строки после блока кода.<br>
-                ** Гисты можно создавать по адресу
-                <a href="https://gist.github.com/" target="_blank">https://gist.github.com/</a>
-            </div>
-        </div>
-
-
-        <div class="marg__b_mid">
-            <strong>Подкаст с podster.fm</strong>
-            <div>
-                Встроить проигрыватель можно при помощи директивы <b>.. podster:: url_страницы_подкаста</b>.<br>
-                Добавим подкаст по страницы <a href="http://mtpod.podster.fm/5">http://mtpod.podster.fm/5</a>:<br><br>
-                <pre><code class="nohighlight">.. podster:: http://mtpod.podster.fm/5</code></pre>
-                * Обратите внимание на необходимость наличия переноса строки после блока кода.<br>
-            </div>
-        </div>
-
-
-    </div>
-</div>
\ No newline at end of file
diff --git a/apps/templates/sub_search_bar.html b/apps/templates/sub_search_bar.html
deleted file mode 100644
index aec949bc..00000000
--- a/apps/templates/sub_search_bar.html
+++ /dev/null
@@ -1,11 +0,0 @@
-<div class="ya-site-form ya-site-form_inited_no " onclick="return {'action':'http://pythonz.net/search/','arrow':true,'bg':'#ffcc00','fontsize':18,'fg':'#000000','language':'ru','logo':'rb','publicname':'Поиск по pythonz.net','suggest':true,'target':'_self','tld':'ru','type':2,'usebigdictionary':true,'searchid':2175547,'webopt':false,'websearch':false,'input_fg':'#000000','input_bg':'#ffffff','input_fontWeight':'normal','input_placeholder':'','input_placeholderColor':'#000000','input_borderColor':'#7f9db9'}">
-    <form action="http://yandex.ru/sitesearch" method="get" target="_self" role="search">
-        <input type="hidden" name="searchid" value="2175547"/>
-        <input type="hidden" name="l10n" value="ru"/>
-        <input type="hidden" name="reqenc" value=""/>
-        <input type="text" name="text" value=""/>
-        <input type="submit" value="Найти"/>
-    </form>
-</div>
-<style type="text/css">.ya-page_js_yes .ya-site-form_inited_no { display: none; }</style>
-<script type="text/javascript">(function(w,d,c){var s=d.createElement('script'),h=d.getElementsByTagName('script')[0],e=d.documentElement;if((' '+e.className+' ').indexOf(' ya-page_js_yes ')===-1){e.className+=' ya-page_js_yes';}s.type='text/javascript';s.async=true;s.charset='utf-8';s.src=(d.location.protocol==='https:'?'https:':'http:')+'//site.yandex.net/v2.0/js/all.js';h.parentNode.insertBefore(s,h);(w[c]||(w[c]=[])).push(function(){Ya.Site.Form.init()})})(window,document,'yandex_site_callbacks');</script>
\ No newline at end of file
diff --git a/apps/templates/sub_title_block.html b/apps/templates/sub_title_block.html
deleted file mode 100644
index 09d0efc7..00000000
--- a/apps/templates/sub_title_block.html
+++ /dev/null
@@ -1,23 +0,0 @@
-{% load sitetree model_meta %}
-
-{% sitetree_breadcrumbs from "main" template "sitetree/breadcrumbs_bootstrap3.html" %}
-
-<span class="pull-right">
-{% if realm.syndication_enabled %}
-    <a title="Подписаться на RSS раздела {% model_meta_verbose_name_plural realm.model %}" href="{{ realm.get_syndication_url }}">
-        <i class="fi-rss"></i>&nbsp;RSS
-    </a> &nbsp;
-{% endif %}
-
-{% if realm.yawidget_code %}
-    <a title="Добавить виджет раздела {% model_meta_verbose_name_plural realm.model %} на главную Яндекса" target="_blank" href="http://www.yandex.ru?add={{ realm.yawidget_code }}&from=promocode">
-        <i class="fi-projection-screen"></i>&nbsp;Яндекс.Виджет
-    </a> &nbsp;
-{% endif %}
-</span>
-
-<div class="page-header">
-    <span class="icon_entity glyphicon glyphicon-{{ realm.icon }}"></span>
-    <h1 itemprop="name">{% sitetree_page_title from "main" %}</h1>
-    <i>{% block subheader %}{{ subheader }}{% endblock %}</i>
-</div>
diff --git a/apps/templates/sub_ya_forgetmenot.html b/apps/templates/sub_ya_forgetmenot.html
deleted file mode 100644
index 4072b07a..00000000
--- a/apps/templates/sub_ya_forgetmenot.html
+++ /dev/null
@@ -1,8 +0,0 @@
-<script src="//yastatic.net/forgetmenot/forgetmenot.min.js"></script>
-<div class="ya-forgetmenot-autoinit" style="padding-bottom: 10px;"
-     data-forgetmenot-name="{{ event.title }}"
-     data-forgetmenot-description="{{ event.place.title }} {{ event.fee|yesno:"Платно,Бесплатно" }}"
-     data-forgetmenot-reminder-date="{{ event.time_start|date:'c' }}"
-     data-forgetmenot-size="l" data-forgetmenot-icon="bell"
-     data-forgetmenot-theme="white">
-</div>
diff --git a/apps/templatetags/goodreads.py b/apps/templatetags/goodreads.py
deleted file mode 100755
index b55828da..00000000
--- a/apps/templatetags/goodreads.py
+++ /dev/null
@@ -1,16 +0,0 @@
-from urllib.parse import urlencode
-
-from django import template
-
-
-register = template.Library()
-
-@register.simple_tag
-def goodreads_get_search_tag(query):
-    """Возврщает тег ссылки на поиск ISBN по сайту Goodreads.
-
-    :param query:
-    :return:
-    """
-    url = 'https://www.goodreads.com/search/?%s' % urlencode({'query': query})
-    return '<a href="%s" title="Искать на goodreads.com"><span class="glyphicon glyphicon-search"></span></a>' % url
diff --git a/apps/templatetags/pythonz_version.py b/apps/templatetags/pythonz_version.py
deleted file mode 100644
index 9b757fad..00000000
--- a/apps/templatetags/pythonz_version.py
+++ /dev/null
@@ -1,15 +0,0 @@
-from django import template
-
-from pythonz import VERSION
-
-
-register = template.Library()
-
-
-@register.simple_tag
-def pythonz_version():
-    """Возвращает версию проекта.
-
-    :return:
-    """
-    return '.'.join(map(str, VERSION))
diff --git a/apps/templatetags/thumbs.py b/apps/templatetags/thumbs.py
deleted file mode 100644
index fb46085b..00000000
--- a/apps/templatetags/thumbs.py
+++ /dev/null
@@ -1,26 +0,0 @@
-from django import template
-
-from ..utils import get_thumb_url
-
-
-register = template.Library()
-
-
-@register.simple_tag(takes_context=True)
-def thumbs_get_thumb_url(context, image, width, height, realm, as_=None, as_name=None):
-    """Создаёт на лету уменьшенную копию указанного изображения.
-
-    :param context:
-    :param image:
-    :param width:
-    :param height:
-    :param realm:
-    :param as_:
-    :param as_name:
-    :return:
-    """
-    url = get_thumb_url(realm, image, width, height)
-    if as_name is not None:
-        context[as_name] = url
-        return ''
-    return url
diff --git a/apps/tests.py b/apps/tests.py
deleted file mode 100644
index 6c2905c8..00000000
--- a/apps/tests.py
+++ /dev/null
@@ -1,118 +0,0 @@
-import unittest
-from uuid import uuid4
-
-
-from .generics.models import ModelWithCompiledText
-from .utils import url_mangle, BasicTypograph
-from .models import User, Discussion
-
-
-def create_user():
-    user = User(username='user%s' % uuid4().hex)
-    user.save()
-    return user
-
-
-class UtilsTest(unittest.TestCase):
-
-    def test_url_mangle(self):
-        self.assertEqual(url_mangle('http://some.com/not/very/long/url'), 'http://some.com/not/very/long/url')
-        self.assertEqual(url_mangle('http://some.com/path/to/some/resource/which/ends?with=this#stuff'),
-                         'http://some.com/<...>ends')
-        self.assertEqual(url_mangle('http://some.com/'), 'http://some.com/')
-        self.assertEqual(url_mangle('http://some.com'), 'http://some.com')
-
-    def test_typography(self):
-        self.maxDiff = None  # Для наглядности.
-        input_str = "Мама     ''мыла'' раму. " \
-                    'Фабрика “Красная Заря”. ' \
-                    '"Маме - раму!",- кричал\tИван. ' \
-                    'Температура повысилась на 7-8 градусов. ' \
-                    '(c), (r), (tm) заменяем на правильные. ' \
-                    '"строка\nперенесена'
-
-        expected_str = 'Мама «мыла» раму. ' \
-                       'Фабрика «Красная Заря». ' \
-                       '«Маме — раму!»,— кричал Иван. ' \
-                       'Температура повысилась на 7–8 градусов. ' \
-                       '©, ®, ™ заменяем на правильные. ' \
-                       '«строка\nперенесена'
-
-        self.assertEqual(expected_str, BasicTypograph.apply_to(input_str))
-
-
-class ModelWithCompiledTextTest(unittest.TestCase):
-
-    def test_compile_text(self):
-        self.maxDiff = None  # Для наглядности.
-        src = '''
-**полужирный текст some.where**
-
-*курсив some.where*
-
-http://some.url/
-
-```
-здесь цитата
-```
-
-Пробуем `ссылку с именем <http://some.com/here/there/>`_.
-
-``текст акцентирован some.where``
-
-.. code:: python
-
-  from come import that
-
-
-  print(1)
-  # комментарий
-
-  print(2)
-
-
-Далее снова текст.
-
-.. gist:: someuser/gisthashhere
-
-Текст.
-
-.. podster:: http://mtpod.podster.fm/0
-
-Далее.
-
-'''
-        expected = (
-            '<b>полужирный текст some.where</b><br><br>'
-            '<i>курсив some.where</i><br><br>'
-            '<a href="http://some.url/" target="_blank">http://some.url/</a><br><br>'
-            '<blockquote>здесь цитата</blockquote><br><br>'
-            'Пробуем <a href="http://some.com/here/there/" target="_blank">ссылку с именем </a>.<br><br>'
-            '<code>текст акцентирован some.where</code><br><br>'
-            '<pre><code class="python"><br>  from come import that<br><br><br>  print(1)<br>'
-            '  # комментарий<br><br>  print(2)<br></code></pre><br>'
-            'Далее снова текст.<br><br>'
-            '<script src="https://gist.github.com/someuser/gisthashhere.js"></script><br>'
-            'Текст.<br><br>'
-            '<iframe width="100%" height="85" '
-            'src="http://mtpod.podster.fm/0/embed/13?link=1" frameborder="0" allowtransparency="true"></iframe>'
-            '<br>'
-            'Далее.'
-        )
-
-        self.assertEqual(expected.strip('\n'), ModelWithCompiledText.compile_text(src.strip('\n')))
-
-
-class ModelDiscussionTest(unittest.TestCase):
-
-    def test_new(self):
-        user = create_user()
-        o = Discussion(submitter=user, linked_object=user, text_src='проба пера')
-        o.save()
-
-        self.assertIsNone(o.time_modified)
-        self.assertIsNotNone(o.time_published)
-        self.assertIsNotNone(o.time_created)
-        self.assertEqual(o.status, o.STATUS_PUBLISHED)
-        self.assertEqual(o.text_src, 'проба пера')
-        self.assertEqual(o.title, '')
diff --git a/apps/utils.py b/apps/utils.py
deleted file mode 100644
index 983015b0..00000000
--- a/apps/utils.py
+++ /dev/null
@@ -1,350 +0,0 @@
-import os
-import re
-from collections import OrderedDict
-from urllib.parse import urlsplit, urlunsplit
-from textwrap import wrap
-
-
-import requests
-from PIL import Image  # Для работы с jpg требуется собрать с libjpeg-dev
-from bs4 import BeautifulSoup
-from django.conf import settings
-from django.core.cache import cache
-from django.core.files.base import ContentFile
-from django.utils import timezone
-from django.utils.dateparse import parse_datetime
-from django.utils.text import Truncator
-
-from pythonz import VERSION
-from .signals import sig_integration_failed
-
-
-USER_AGENT = 'pythonz.net/%s (press@pythonz.net)' % '.'.join(map(str, VERSION))
-
-
-def format_currency(val):
-    """Форматирует значение валюты, разбивая его кратно
-    тысяче для облегчения восприятия.
-
-    :param val:
-    :return:
-    """
-    return ' '.join(wrap(str(int(val))[::-1], 3))[::-1]
-
-
-def get_from_url(url):
-    """Возвращает объект ответа requests с указанного URL.
-
-    :param str url:
-    :return:
-    """
-    r_kwargs = {
-        'allow_redirects': True,
-        'headers': {'User-agent': USER_AGENT},
-    }
-    return requests.get(url, **r_kwargs)
-
-
-def get_json(url):
-    """Возвращает словарь, созданный из JSON документа, полученного
-    с указанного URL.
-
-    :param str url:
-    :return:
-    """
-
-    result = {}
-    try:
-        response = get_from_url(url)
-        response.raise_for_status()
-
-    except requests.exceptions.RequestException as e:
-        sig_integration_failed.send(None, description='URL %s. Error: %s' % (url, e))
-
-    else:
-        try:
-            result = response.json()
-        except ValueError:
-            pass
-
-    return result
-
-
-class HhVacancyManager:
-    """Объединяет инструменты для работы с вакансиями с hh.ru."""
-
-    @classmethod
-    def get_status(cls, url):
-        """Возвращает состояние вакансии по указанному URL.
-
-        :param url:
-        :return:
-        """
-        response = get_json(url)
-        if not response:
-            return
-
-        return response['archived']
-
-    @classmethod
-    def fetch_list(cls):
-        """Возвращает словарь с данными вакансий, полученный из внешнего
-        источника.
-
-        :return:
-        """
-        base_url = 'https://api.hh.ru/vacancies/'
-        query = (
-            'search_field=%(field)s&per_page=%(per_page)s'
-            '&order_by=publication_time&period=1&text=%(term)s' % {
-                'term': 'python',
-                'per_page': 500,
-                'field': 'name',  # description
-        })
-
-        response = get_json('%s?%s' % (base_url, query))
-
-        if 'items' not in response:
-            return None
-
-        results = []
-        for item in response['items']:
-            salary_from = salary_till = salary_currency = ''
-
-            if item['salary']:
-                salary = item['salary']
-                salary_from = salary['from']
-                salary_till = salary['to']
-                salary_currency = salary['currency']
-
-            employer = item['employer']
-            url_logo = employer['logo_urls']
-            if url_logo:
-                url_logo = url_logo['90']
-
-            results.append({
-                '__archived': item['archived'],
-                'src_id': item['id'],
-                'src_place_name': item['area']['name'],
-                'src_place_id': item['area']['id'],
-                'title': item['name'],
-                'url_site': item['alternate_url'],
-                'url_api': item['url'],
-                'url_logo': url_logo,
-                'employer_name': employer['name'],
-                'salary_from': salary_from or None,
-                'salary_till': salary_till or None,
-                'salary_currency': salary_currency,
-                'time_published': parse_datetime(item['published_at']),
-            })
-
-        return results
-
-
-class BasicTypograph(object):
-    """Содержит базовые правила типографики.
-    Позволяет применить эти правила к строке.
-
-    """
-
-    rules = OrderedDict((
-        ('QUOTES_REPLACE', (re.compile('(„|“|”|(\'\'))'), '"')),
-        ('DASH_REPLACE', (re.compile('(-|­|–|—|―|−|--)'), '-')),
-
-        ('SEQUENTIAL_SPACES', (re.compile('([ \t]+)'), ' ')),
-
-        ('DASH_EM', (re.compile('([ ,])-[ ]'), '\g<1>— ')),
-        ('DASH_EN', (re.compile('(\d+)[ ]*-[ ]*(\d+)'), '\g<1>–\g<2>')),
-
-        ('HELLIP', (re.compile('\.{2,3}'), '…')),
-        ('COPYRIGHT', (re.compile('\((c|с)\)'), '©')),
-        ('TRADEMARK', (re.compile('\(tm\)'), '™')),
-        ('TRADEMARK_R', (re.compile('\(r\)'), '®')),
-
-        ('QUOTES_CYR_CLOSE', (re.compile('(\S+)"', re.U), '\g<1>»')),
-        ('QUOTES_CYR_OPEN', (re.compile('"(\S+)', re.U), '«\g<1>')),
-    ))
-
-    @classmethod
-    def apply_to(cls, input_str):
-        input_str = ' %s ' % input_str.strip()
-
-        for name, (regexp, replacement) in cls.rules.items():
-            input_str = re.sub(regexp, replacement, input_str)
-
-        return input_str.strip()
-
-
-def url_mangle(url):
-    """Усекает длинные URL практически до неузноваемости, делая нефункциональным, но коротким.
-    Всё ради уменьшения длины строки.
-
-    :param url:
-    :return:
-    """
-    if len(url) <= 45:
-        return url
-    path, qs, frag = 2, 3, 4
-    splitted = list(urlsplit(url))
-    splitted[qs] = ''
-    splitted[frag] = ''
-    if splitted[path].strip('/'):
-        splitted[path] = '<...>%s' % splitted[path].split('/')[-1]  # Последний кусок пути.
-    mangled = urlunsplit(splitted)
-    return mangled
-
-
-def get_thumb_url(realm, image, width, height, absolute_url=False):
-    """Создаёт на лету уменьшенную копию указанного изображения.
-
-    :param realm:
-    :param image:
-    :param width:
-    :param height:
-    :param absolute_url:
-    :return:
-    """
-    base_path = os.path.join('img', realm.name_plural, 'thumbs', '%sx%s' % (width, height))
-    try:
-        thumb_file_base = os.path.join(base_path, os.path.basename(image.path))
-    except (ValueError, AttributeError):
-        return ''
-
-    cache_key = 'thumbs|%s|%s' % (thumb_file_base, absolute_url)
-
-    url = cache.get(cache_key)
-
-    if url is None:
-
-        thumb_file = os.path.join(settings.MEDIA_ROOT, thumb_file_base)
-
-        if not os.path.exists(thumb_file):
-            try:
-                os.makedirs(os.path.join(settings.MEDIA_ROOT, base_path), mode=0o755)
-            except FileExistsError:
-                pass
-            img = Image.open(image)
-            img.thumbnail((width, height), Image.ANTIALIAS)
-            img.save(thumb_file)
-
-        url = os.path.join(settings.MEDIA_URL, thumb_file_base)
-        if absolute_url:
-            url = '%s%s' % (settings.SITE_URL, url)
-
-        cache.set(cache_key, url, 86400)
-
-    return url
-
-
-def get_image_from_url(url):
-    """Забирает изображение с указанного URL.
-
-    :param url:
-    :return:
-    """
-    return ContentFile(requests.get(url).content, url.rsplit('/', 1)[-1])
-
-
-def get_timezone_name(lat, lng):
-    """Возвращает имя часового пояса по геокоординатам, либо None.
-    Использует Сервис Google Time Zone API.
-
-    :param lat: широта
-    :param lng: долгота
-    :return:
-    """
-    url = (
-        'https://maps.googleapis.com/maps/api/timezone/json?'
-        'location=%(lat)s,%(lng)s&timestamp=%(ts)s&key=%(api_key)s' % {
-            'lat': lat,
-            'lng': lng,
-            'ts': timezone.now().timestamp(),
-            'api_key': settings.GOOGLE_API_KEY,
-        }
-    )
-    try:
-        result = requests.get(url)
-        doc = result.json()
-        tz_name = doc['timeZoneId']
-    except Exception:
-        return None
-    return tz_name
-
-
-def get_location_data(location_name):
-    """Возвращает геоданные об объекте по его имени, либо None.
-    Использует API Яндекс.Карт.
-
-    :param location_name:
-    :return:
-    """
-
-    url = 'http://geocode-maps.yandex.ru/1.x/?results=1&format=json&geocode=%s' % location_name
-    try:
-        result = requests.get(url)
-        doc = result.json()
-    except Exception:
-        return None
-
-    found = doc['response']['GeoObjectCollection']['metaDataProperty']['GeocoderResponseMetaData']['found']
-    if not int(found):
-        return None
-
-    object_dict = doc['response']['GeoObjectCollection']['featureMember'][0]['GeoObject']
-    object_bounds_dict = object_dict['boundedBy']['Envelope']
-    object_metadata_dict = object_dict['metaDataProperty']['GeocoderMetaData']
-
-    location_data = {
-        'requested_name': location_name,
-        'type': object_metadata_dict['kind'],
-        'name': object_metadata_dict['text'],
-        'country': object_metadata_dict['AddressDetails']['Country']['CountryName'],
-        'pos': ','.join(reversed(object_dict['Point']['pos'].split(' '))),
-        'bounds': '%s|%s' % (object_bounds_dict['lowerCorner'], object_bounds_dict['upperCorner']),
-    }
-
-    return location_data
-
-
-def scrape_page(url):
-    """Возвращает словарь с данными о странице (полученными при помощи
-    Rich Content API от Яндекса), либо None в случае ошибок.
-
-    Словарь вида:
-        {'title': '...', 'content_more': '...', 'content_less': '...', ...}
-
-    :param url:
-    :return:
-    """
-
-    url = 'http://rca.yandex.com/?key=%(api_key)s&url=%(url)s&content=full' % {
-        'api_key': settings.YANDEX_RCA_KEY, 'url': url
-    }
-
-    result = get_json(url)
-
-    if 'content' not in result:
-        return None
-
-    content = result['content']
-    result['content_less'] = Truncator(content).words(30)
-    result['content_more'] = Truncator(content).chars(900).replace('\n', '\n\n')
-
-    return result
-
-
-def make_soup(url):
-    """Возвращает объект BeautifulSoup, либо None для указанного URL.
-
-    :param str url:
-    :return: object
-    :rtype: BeautifulSoup|None
-    """
-    result = None
-    try:
-        response = get_from_url(url)
-        result = BeautifulSoup(response.text)
-    except requests.exceptions.RequestException:
-        pass
-
-    return result
diff --git a/apps/views.py b/apps/views.py
deleted file mode 100644
index 42264ed2..00000000
--- a/apps/views.py
+++ /dev/null
@@ -1,208 +0,0 @@
-from sitegate.decorators import signin_view, signup_view, redirect_signedin
-from sitegate.signup_flows.classic import SimpleClassicWithEmailSignup
-from sitecats.toolbox import get_category_model, get_category_lists, get_category_aliases_under
-from sitemessage.toolbox import get_user_preferences_for_ui, set_user_preferences_from_request
-from xross.toolbox import xross_view
-from django.shortcuts import render
-from django.core.urlresolvers import reverse
-from django.core.exceptions import PermissionDenied
-from django.shortcuts import get_object_or_404, redirect
-from django.views.defaults import (
-    page_not_found as dj_page_not_found,
-    permission_denied as dj_permission_denied,
-    server_error as dj_server_error
-)
-
-from .signals import sig_search_failed
-from .generics.views import DetailsView, RealmView, EditView, ListingView
-from .models import Place, User, Community, Event, Reference, Vacancy
-from .exceptions import RedirectRequired
-
-
-class UserDetailsView(DetailsView):
-    """Представление с детальной информацией о пользователе."""
-
-    get_object_related_fields = ['place']
-
-    def update_context(self, context, request):
-        user = context['item']
-        context['bookmarks'] = user.get_bookmarks()
-
-
-class UserEditView(EditView):
-    """Представление редактирования пользователя."""
-
-    get_object_related_fields = ['last_editor']
-
-    def check_edit_permissions(self, request, item):
-        # Пользователи не могут редактировать других пользователей.
-        if item != request.user:
-            raise PermissionDenied()
-
-    def update_context(self, context, request):
-
-        if request.POST:
-            prefs_were_set = set_user_preferences_from_request(request)
-            if prefs_were_set:
-                raise RedirectRequired()
-
-        subscr_prefs = get_user_preferences_for_ui(request.user, new_messengers_titles={
-            'twitter': '<i class="fi-social-twitter" title="Twitter"></i>',
-            'smtp': '<i class="fi-mail" title="Эл. почта"></i>'
-        }, message_filter=lambda m: m.alias == 'digest')
-
-        context['subscr_prefs'] = subscr_prefs
-
-
-class PlaceDetailsView(DetailsView):
-    """Представление с детальной информацией о месте."""
-
-    get_object_related_fields = ['last_editor']
-
-    def set_im_here(self, request, xross=None):
-        """Используется xross. Прописывает место и часовой пояс в профиль пользователя.
-
-        :param request:
-        :param xross:
-        :return:
-        """
-        user = request.user
-        if user.is_authenticated():
-            user.place = xross.attrs['item']
-            user.set_timezone_from_place()
-            user.save()
-
-    @xross_view(set_im_here)  # Метод перекрыт для добавления AJAX-обработчика.
-    def get(self, request, obj_id):
-        return super().get(request, obj_id)
-
-    def update_context(self, context, request):
-        place = context['item']
-
-        if request.user.is_authenticated():
-            context['allow_im_here'] = (request.user.place != place)
-
-        context['users'] = User.get_actual().filter(place=place)
-        context['communities'] = Community.get_actual().filter(place=place)
-        context['events'] = Event.get_actual().filter(place=place)
-        context['vacancies'] = Vacancy.get_actual().filter(place=place)
-        context['stats_salary'] = Vacancy.get_salary_stats(place)
-
-
-class PlaceListingView(RealmView):
-    """Представление с картой и списком всех известных мест."""
-
-    def get(self, request):
-        places = Place.get_actual().order_by('-supporters_num', 'title')
-        return self.render(request, {self.realm.name_plural: places})
-
-
-class ReferenceListingView(RealmView):
-    """Представление со списком справочников."""
-
-    def get(self, request):
-        # Справочник один, поэтому перенаправляем сразу на него.
-        return redirect(self.realm.get_details_urlname(), 1, permanent=True)
-
-
-class VacancyListingView(ListingView):
-    """Представление со списком вакансий."""
-
-    get_object_related_fields = ['place']
-
-    def update_context(self, context, request):
-        context['stats_salary'] = Vacancy.get_salary_stats()
-        context['stats_places'] = Vacancy.get_places_stats()
-
-    def get_most_voted_objects(self):
-        return []
-
-
-class ReferenceDetailsView(DetailsView):
-    """Представление статьи справочника."""
-
-    get_object_related_fields = ['parent', 'submitter']
-
-    def update_context(self, context, request):
-        reference = context['item']
-        context['children'] = reference.get_actual(reference).order_by('title')
-        if reference.parent is not None:
-            context['siblings'] = reference.get_actual(reference.parent, exclude_id=reference.id).order_by('title')
-
-
-class CategoryListingView(RealmView):
-    """Выводит список известных категорий, либо список сущностей для конкретной категории."""
-
-    def get(self, request, obj_id=None):
-        from apps.realms import get_realms
-        realms = get_realms().values()
-
-        if obj_id is None:  # Запрошен список всех известных категорий.
-            item = get_category_lists(
-                init_kwargs={
-                    'show_title': True,
-                    'show_links': lambda cat: reverse(self.realm.get_details_urlname(), args=[cat.id])
-                },
-                additional_parents_aliases=get_category_aliases_under())
-            return self.render(request, {'item': item, 'realms': realms})
-
-        # Выводим список материалов (разбитых по областям сайта) для конкретной категории.
-        category_model = get_category_model()
-        category = get_object_or_404(category_model.objects.select_related('parent'), pk=obj_id)
-
-        realm_list = []
-        for realm in realms:
-            if hasattr(realm.model, 'categories'):  # ModelWithCategory
-                objs = realm.model.get_objects_in_category(category)[:5]
-                if objs:
-                    realm_list.append({
-                        'objects': objs,
-                        'url': reverse(realm.get_tags_urlname(), args=[category.id]),
-                        'realm': realm
-                    })
-
-        return self.render(request, {self.realm.name: category, 'item': category, 'realm_list': realm_list})
-
-
-# Наши страницы ошибок.
-permission_denied = lambda request: dj_permission_denied(request, template_name='static/403.html')
-page_not_found = lambda request: dj_page_not_found(request, template_name='static/404.html')
-server_error = lambda request: dj_server_error(request, template_name='static/500.html')
-
-
-def index(request):
-    """Индексная страница."""
-    return redirect('categories:listing')
-
-
-def search(request):
-    """Страница с результатами поиска по справочнику.
-    Если найден один результат, перенаправляет на страницу результата.
-
-    """
-    search_term = request.POST.get('search_term', '').strip()
-
-    if not search_term:
-        return redirect('index')
-
-    results = Reference.objects.filter(title__icontains=search_term)
-    total_results = len(results)
-
-    if not total_results:
-        # Поиск не дал результатов. Запомним, что искали и сообщим администраторам,
-        # чтобы приняли меры по возможности.
-        sig_search_failed.send(None, search_term=search_term)
-
-    elif total_results == 1:
-        return redirect(results[0].get_absolute_url())
-
-    return render(request, 'static/search.html', {'search_term': search_term, 'results': results})
-
-
-@redirect_signedin
-@signin_view(widget_attrs={'class': 'form-control', 'placeholder': lambda f: f.label}, template='form_bootstrap3')
-@signup_view(widget_attrs={'class': 'form-control', 'placeholder': lambda f: f.label}, template='form_bootstrap3',
-             flow=SimpleClassicWithEmailSignup, verify_email=True)
-def login(request):
-    """Страница авторизации и регистрации."""
-    return render(request, 'static/login.html')
diff --git a/apps/zen.py b/apps/zen.py
deleted file mode 100644
index dc6c348b..00000000
--- a/apps/zen.py
+++ /dev/null
@@ -1,34 +0,0 @@
-from random import choice
-
-from siteblocks.siteblocksapp import register_dynamic_block
-
-
-ZEN = (
-    ('Beautiful is better than ugly.', 'Красивое лучше безобразного.'),
-    ('Explicit is better than implicit.', 'Явное лучше подразумеваемого.'),
-    ('Simple is better than complex.', 'Простое лучше сложного.'),
-    ('Complex is better than complicated.', 'Сложное лучше мудрёного.'),
-    ('Flat is better than nested.', 'Плоское лучше вложенного.'),
-    ('Sparse is better than dense.', 'Разреженное лучше плотного.'),
-    ('Readability counts.', 'Читабельность важна.'),
-    ('Special cases aren\'t special enough to break the rules.\nAlthough practicality beats purity.',
-     'Исключения недостаточно исключительны, чтобы нарушать правила.\nХотя, практичность превыше чистоты.'),
-    ('Errors should never pass silently.\nUnless explicitly silenced.',
-     'Ошибки не должны проходить незамеченно.\nЕсли не были заглушены намеренно.'),
-    ('In the face of ambiguity, refuse the temptation to guess.',
-     'Пред лицом многозначительности презри желание догадаться.'),
-    ('There should be one — and preferably only one — obvious way to do it.\n'
-     'Although that way may not be obvious at first unless you\'re Dutch.',
-     'Должен быть один — и лучше единственный — очевидный способ достичь цели.\n'
-     'Впрочем, если вы не голландец, способ этот поначалу может казаться неочевидным.'),
-    ('Now is better than never.\nAlthough never is often better than <em>right</em> now.',
-     'Лучше сейчас, чем никогда.\nХотя, часто никогда лучше, чем <em>прямо</em> сейчас.'),
-    ('If the implementation is hard to explain, it\'s a bad idea.',
-     'Если реализацию трудно описать, значит идея была некудышной.'),
-    ('If the implementation is easy to explain, it may be a good idea.',
-     'Если реализацию легко описать — возможно, идея была хорошей.'),
-    ('Namespaces are one honking great idea — let\'s do more of those!',
-     'Пространства имён были блестящей идеей — генерируем ещё!'),
-)
-
-register_dynamic_block('zen', lambda **kwargs: choice(ZEN))
diff --git a/bootstrap.sh b/bootstrap.sh
new file mode 100755
index 00000000..45b51379
--- /dev/null
+++ b/bootstrap.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+# Bootstraps a local development environment.
+#
+# Run as follows:
+#   ./bootstrap.sh
+#
+set -e
+
+uv sync --locked
+
+mkdir -p state
+
+source .venv/bin/activate
+
+pythonz migrate
+
+export DJANGO_SUPERUSER_USERNAME=admin
+export DJANGO_SUPERUSER_PASSWORD=admin
+export DJANGO_SUPERUSER_EMAIL=admin@example.com
+pythonz createsuperuser
+
+set +e
diff --git a/conf/pythonz-certbot-hook.sh b/conf/pythonz-certbot-hook.sh
new file mode 100755
index 00000000..a69fdca6
--- /dev/null
+++ b/conf/pythonz-certbot-hook.sh
@@ -0,0 +1,3 @@
+#! /bin/sh
+chown -R pythonz:pythonz /etc/letsencrypt/archive/pythonz.net/.*
+systemctl restart pythonz.service
diff --git a/conf/pythonz.service b/conf/pythonz.service
new file mode 100644
index 00000000..e187253a
--- /dev/null
+++ b/conf/pythonz.service
@@ -0,0 +1,50 @@
+# Place into:   /etc/systemd/system/pythonz.service
+# Setup:        sudo systemctl enable $PWD/pythonz.service
+# Start:        sudo systemctl start pythonz.service
+# Stop:         sudo systemctl stop pythonz.service
+# Restart:      sudo systemctl restart pythonz.service
+# Status:       systemctl status pythonz.service
+# Journal:      journalctl -fu pythonz.service
+
+[Unit]
+Description=pythonz webscaff service
+Wants=network-online.target
+After=network-online.target
+
+
+[Service]
+ExecStart=/usr/bin/pythonz uwsgi_run --noruntimes
+Restart=on-failure
+KillSignal=SIGTERM
+Type=notify
+NotifyAccess=all
+# Bind to priviledged ports.
+AmbientCapabilities=CAP_NET_BIND_SERVICE
+
+CPUAccounting=yes
+MemoryAccounting=yes
+IOAccounting=yes
+IPAccounting=yes
+PrivateTmp=yes
+RemoveIPC=yes
+TasksAccounting=yes
+
+ProtectSystem=strict
+ProtectHome=read-only
+
+User=pythonz
+Group=pythonz
+
+# /run/
+RuntimeDirectory=pythonz
+# /var/lib/
+StateDirectory=pythonz
+# /var/log/
+LogsDirectory=pythonz
+# /var/cache/
+CacheDirectory=pythonz
+
+
+[Install]
+WantedBy=multi-user.target
+
diff --git a/data/__init__.py b/data/__init__.py
deleted file mode 100644
index 01da5cf1..00000000
--- a/data/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-__author__ = 'idle'
diff --git a/data/static/empty b/data/static/empty
deleted file mode 100644
index e69de29b..00000000
diff --git a/data/static_dist/bootstrap/less/variables.less b/data/static_dist/bootstrap/less/variables.less
deleted file mode 100644
index 81c987b5..00000000
--- a/data/static_dist/bootstrap/less/variables.less
+++ /dev/null
@@ -1,874 +0,0 @@
-//
-// Variables
-// --------------------------------------------------
-
-@cl__blue: #3776ab;
-@cl__yellow: #ffd343;
-@cl__green: #82b043;
-@cl__gray: #aaa;
-@cl__white: #fff;
-@cl__black: #000;
-
-
-//== Colors
-//
-//## Gray and brand colors for use across Bootstrap.
-
-@gray-base:              #000;
-@gray-darker:            lighten(@gray-base, 13.5%); // #222
-@gray-dark:              lighten(@gray-base, 20%);   // #333
-@gray:                   lighten(@gray-base, 33.5%); // #555
-@gray-light:             lighten(@gray-base, 46.7%); // #777
-@gray-lighter:           lighten(@gray-base, 93.5%); // #eee
-
-@brand-primary:         @cl__green;
-@brand-success:         @cl__green;
-@brand-warning:         #f0ad4e;
-@brand-danger:          #d9534f;
-@brand-info:            @cl__blue;
-
-
-//== Scaffolding
-//
-//## Settings for some of the most global styles.
-
-//** Background color for `<body>`.
-@body-bg:               #fff;
-//** Global text color on `<body>`.
-@text-color:            @gray;
-
-//** Global textual link color.
-@link-color:            @cl__blue;
-//** Link hover color set via `darken()` function.
-@link-hover-color:      darken(@link-color, 15%);
-//** Link hover decoration.
-@link-hover-decoration: underline;
-
-
-//== Typography
-//
-//## Font, line-height, and color for body text, headings, and more.
-
-@font-family-sans-serif:  "Helvetica Neue", Helvetica, Arial, sans-serif;
-@font-family-serif:       Georgia, "Times New Roman", Times, serif;
-//** Default monospace fonts for `<code>`, `<kbd>`, and `<pre>`.
-@font-family-monospace:   Menlo, Monaco, Consolas, "Courier New", monospace;
-@font-family-base:        @font-family-serif;
-
-@font-size-base:          18px;
-@font-size-large:         ceil((@font-size-base * 1.25)); // ~18px
-@font-size-small:         ceil((@font-size-base * 0.85)); // ~12px
-
-@font-size-h1:            floor((@font-size-base * 2.6)); // ~36px
-@font-size-h2:            floor((@font-size-base * 2.15)); // ~30px
-@font-size-h3:            ceil((@font-size-base * 1.7)); // ~24px
-@font-size-h4:            ceil((@font-size-base * 1.25)); // ~18px
-@font-size-h5:            @font-size-base;
-@font-size-h6:            ceil((@font-size-base * 0.85)); // ~12px
-
-//** Unit-less `line-height` for use in components like buttons.
-@line-height-base:        1.428571429; // 20/14
-//** Computed "line-height" (`font-size` * `line-height`) for use with `margin`, `padding`, etc.
-@line-height-computed:    floor((@font-size-base * @line-height-base)); // ~20px
-
-//** By default, this inherits from the `<body>`.
-@headings-font-family:    inherit;
-@headings-font-weight:    500;
-@headings-line-height:    1.1;
-@headings-color:          inherit;
-
-
-//== Iconography
-//
-//## Specify custom location and filename of the included Glyphicons icon font. Useful for those including Bootstrap via Bower.
-
-//** Load fonts from this directory.
-@icon-font-path:          "../fonts/";
-//** File name for all font files.
-@icon-font-name:          "glyphicons-halflings-regular";
-//** Element ID within SVG icon file.
-@icon-font-svg-id:        "glyphicons_halflingsregular";
-
-
-//== Components
-//
-//## Define common padding and border radius sizes and more. Values based on 14px text and 1.428 line-height (~20px to start).
-
-@padding-base-vertical:     6px;
-@padding-base-horizontal:   12px;
-
-@padding-large-vertical:    10px;
-@padding-large-horizontal:  16px;
-
-@padding-small-vertical:    5px;
-@padding-small-horizontal:  10px;
-
-@padding-xs-vertical:       1px;
-@padding-xs-horizontal:     5px;
-
-@line-height-large:         1.3333333; // extra decimals for Win 8.1 Chrome
-@line-height-small:         1.5;
-
-@border-radius-base:        4px;
-@border-radius-large:       6px;
-@border-radius-small:       3px;
-
-//** Global color for active items (e.g., navs or dropdowns).
-@component-active-color:    #fff;
-//** Global background color for active items (e.g., navs or dropdowns).
-@component-active-bg:       @brand-primary;
-
-//** Width of the `border` for generating carets that indicator dropdowns.
-@caret-width-base:          4px;
-//** Carets increase slightly in size for larger components.
-@caret-width-large:         5px;
-
-
-//== Tables
-//
-//## Customizes the `.table` component with basic values, each used across all table variations.
-
-//** Padding for `<th>`s and `<td>`s.
-@table-cell-padding:            8px;
-//** Padding for cells in `.table-condensed`.
-@table-condensed-cell-padding:  5px;
-
-//** Default background color used for all tables.
-@table-bg:                      transparent;
-//** Background color used for `.table-striped`.
-@table-bg-accent:               #f9f9f9;
-//** Background color used for `.table-hover`.
-@table-bg-hover:                #f5f5f5;
-@table-bg-active:               @table-bg-hover;
-
-//** Border color for table and cell borders.
-@table-border-color:            #ddd;
-
-
-//== Buttons
-//
-//## For each of Bootstrap's buttons, define text, background and border color.
-
-@btn-font-weight:                normal;
-
-@btn-default-color:              #333;
-@btn-default-bg:                 #fff;
-@btn-default-border:             #ccc;
-
-@btn-primary-color:              #fff;
-@btn-primary-bg:                 @brand-primary;
-@btn-primary-border:             darken(@btn-primary-bg, 5%);
-
-@btn-success-color:              #fff;
-@btn-success-bg:                 @brand-success;
-@btn-success-border:             darken(@btn-success-bg, 5%);
-
-@btn-info-color:                 #fff;
-@btn-info-bg:                    @brand-info;
-@btn-info-border:                darken(@btn-info-bg, 5%);
-
-@btn-warning-color:              #fff;
-@btn-warning-bg:                 @brand-warning;
-@btn-warning-border:             darken(@btn-warning-bg, 5%);
-
-@btn-danger-color:               #fff;
-@btn-danger-bg:                  @brand-danger;
-@btn-danger-border:              darken(@btn-danger-bg, 5%);
-
-@btn-link-disabled-color:        @gray-light;
-
-// Allows for customizing button radius independently from global border radius
-@btn-border-radius-base:         @border-radius-base;
-@btn-border-radius-large:        @border-radius-large;
-@btn-border-radius-small:        @border-radius-small;
-
-
-//== Forms
-//
-//##
-
-//** `<input>` background color
-@input-bg:                       #fff;
-//** `<input disabled>` background color
-@input-bg-disabled:              @gray-lighter;
-
-//** Text color for `<input>`s
-@input-color:                    @gray;
-//** `<input>` border color
-@input-border:                   #ccc;
-
-// TODO: Rename `@input-border-radius` to `@input-border-radius-base` in v4
-//** Default `.form-control` border radius
-// This has no effect on `<select>`s in some browsers, due to the limited stylability of `<select>`s in CSS.
-@input-border-radius:            @border-radius-base;
-//** Large `.form-control` border radius
-@input-border-radius-large:      @border-radius-large;
-//** Small `.form-control` border radius
-@input-border-radius-small:      @border-radius-small;
-
-//** Border color for inputs on focus
-@input-border-focus:             #66afe9;
-
-//** Placeholder text color
-@input-color-placeholder:        #999;
-
-//** Default `.form-control` height
-@input-height-base:              (@line-height-computed + (@padding-base-vertical * 2) + 2);
-//** Large `.form-control` height
-@input-height-large:             (ceil(@font-size-large * @line-height-large) + (@padding-large-vertical * 2) + 2);
-//** Small `.form-control` height
-@input-height-small:             (floor(@font-size-small * @line-height-small) + (@padding-small-vertical * 2) + 2);
-
-//** `.form-group` margin
-@form-group-margin-bottom:       15px;
-
-@legend-color:                   @gray-dark;
-@legend-border-color:            #e5e5e5;
-
-//** Background color for textual input addons
-@input-group-addon-bg:           @gray-lighter;
-//** Border color for textual input addons
-@input-group-addon-border-color: @input-border;
-
-//** Disabled cursor for form controls and buttons.
-@cursor-disabled:                not-allowed;
-
-
-//== Dropdowns
-//
-//## Dropdown menu container and contents.
-
-//** Background for the dropdown menu.
-@dropdown-bg:                    #fff;
-//** Dropdown menu `border-color`.
-@dropdown-border:                rgba(0,0,0,.15);
-//** Dropdown menu `border-color` **for IE8**.
-@dropdown-fallback-border:       #ccc;
-//** Divider color for between dropdown items.
-@dropdown-divider-bg:            #e5e5e5;
-
-//** Dropdown link text color.
-@dropdown-link-color:            @gray-dark;
-//** Hover color for dropdown links.
-@dropdown-link-hover-color:      darken(@gray-dark, 5%);
-//** Hover background for dropdown links.
-@dropdown-link-hover-bg:         #f5f5f5;
-
-//** Active dropdown menu item text color.
-@dropdown-link-active-color:     @component-active-color;
-//** Active dropdown menu item background color.
-@dropdown-link-active-bg:        @component-active-bg;
-
-//** Disabled dropdown menu item background color.
-@dropdown-link-disabled-color:   @gray-light;
-
-//** Text color for headers within dropdown menus.
-@dropdown-header-color:          @gray-light;
-
-//** Deprecated `@dropdown-caret-color` as of v3.1.0
-@dropdown-caret-color:           #000;
-
-
-//-- Z-index master list
-//
-// Warning: Avoid customizing these values. They're used for a bird's eye view
-// of components dependent on the z-axis and are designed to all work together.
-//
-// Note: These variables are not generated into the Customizer.
-
-@zindex-navbar:            1000;
-@zindex-dropdown:          1000;
-@zindex-popover:           1060;
-@zindex-tooltip:           1070;
-@zindex-navbar-fixed:      1030;
-@zindex-modal-background:  1040;
-@zindex-modal:             1050;
-
-
-//== Media queries breakpoints
-//
-//## Define the breakpoints at which your layout will change, adapting to different screen sizes.
-
-// Extra small screen / phone
-//** Deprecated `@screen-xs` as of v3.0.1
-@screen-xs:                  480px;
-//** Deprecated `@screen-xs-min` as of v3.2.0
-@screen-xs-min:              @screen-xs;
-//** Deprecated `@screen-phone` as of v3.0.1
-@screen-phone:               @screen-xs-min;
-
-// Small screen / tablet
-//** Deprecated `@screen-sm` as of v3.0.1
-@screen-sm:                  768px;
-@screen-sm-min:              @screen-sm;
-//** Deprecated `@screen-tablet` as of v3.0.1
-@screen-tablet:              @screen-sm-min;
-
-// Medium screen / desktop
-//** Deprecated `@screen-md` as of v3.0.1
-@screen-md:                  992px;
-@screen-md-min:              @screen-md;
-//** Deprecated `@screen-desktop` as of v3.0.1
-@screen-desktop:             @screen-md-min;
-
-// Large screen / wide desktop
-//** Deprecated `@screen-lg` as of v3.0.1
-@screen-lg:                  1200px;
-@screen-lg-min:              @screen-lg;
-//** Deprecated `@screen-lg-desktop` as of v3.0.1
-@screen-lg-desktop:          @screen-lg-min;
-
-// So media queries don't overlap when required, provide a maximum
-@screen-xs-max:              (@screen-sm-min - 1);
-@screen-sm-max:              (@screen-md-min - 1);
-@screen-md-max:              (@screen-lg-min - 1);
-
-
-//== Grid system
-//
-//## Define your custom responsive grid.
-
-//** Number of columns in the grid.
-@grid-columns:              12;
-//** Padding between columns. Gets divided in half for the left and right.
-@grid-gutter-width:         30px;
-// Navbar collapse
-//** Point at which the navbar becomes uncollapsed.
-@grid-float-breakpoint:     @screen-sm-min;
-//** Point at which the navbar begins collapsing.
-@grid-float-breakpoint-max: (@grid-float-breakpoint - 1);
-
-
-//== Container sizes
-//
-//## Define the maximum width of `.container` for different screen sizes.
-
-// Small screen / tablet
-@container-tablet:             (720px + @grid-gutter-width);
-//** For `@screen-sm-min` and up.
-@container-sm:                 @container-tablet;
-
-// Medium screen / desktop
-@container-desktop:            (940px + @grid-gutter-width);
-//** For `@screen-md-min` and up.
-@container-md:                 @container-desktop;
-
-// Large screen / wide desktop
-@container-large-desktop:      (1140px + @grid-gutter-width);
-//** For `@screen-lg-min` and up.
-@container-lg:                 @container-large-desktop;
-
-
-//== Navbar
-//
-//##
-
-// Basics of a navbar
-@navbar-height:                    40px;
-@navbar-margin-bottom:             @line-height-computed;
-@navbar-border-radius:             @border-radius-base;
-@navbar-padding-horizontal:        floor((@grid-gutter-width / 2));
-@navbar-padding-vertical:          ((@navbar-height - @line-height-computed) / 2);
-@navbar-collapse-max-height:       340px;
-
-@navbar-default-color:             @text-color;
-@navbar-default-bg:                @cl__white;
-@navbar-default-border:            darken(@navbar-default-bg, 6.5%);
-
-// Navbar links
-@navbar-default-link-color:                @text-color;
-@navbar-default-link-hover-color:          @cl__blue;
-@navbar-default-link-hover-bg:             transparent;
-@navbar-default-link-active-color:         @cl__blue;
-@navbar-default-link-active-bg:            lighten(@cl__black, 97%);
-@navbar-default-link-disabled-color:       #ccc;
-@navbar-default-link-disabled-bg:          transparent;
-
-// Navbar brand label
-@navbar-default-brand-color:               @cl__gray;
-@navbar-default-brand-hover-color:         darken(@navbar-default-brand-color, 10%);
-@navbar-default-brand-hover-bg:            transparent;
-
-// Navbar toggle
-@navbar-default-toggle-hover-bg:           #ddd;
-@navbar-default-toggle-icon-bar-bg:        #888;
-@navbar-default-toggle-border-color:       #ddd;
-
-
-//=== Inverted navbar
-// Reset inverted navbar basics
-@navbar-inverse-color:                      lighten(@gray-light, 15%);
-@navbar-inverse-bg:                         #222;
-@navbar-inverse-border:                     darken(@navbar-inverse-bg, 10%);
-
-// Inverted navbar links
-@navbar-inverse-link-color:                 lighten(@gray-light, 15%);
-@navbar-inverse-link-hover-color:           #fff;
-@navbar-inverse-link-hover-bg:              transparent;
-@navbar-inverse-link-active-color:          @navbar-inverse-link-hover-color;
-@navbar-inverse-link-active-bg:             darken(@navbar-inverse-bg, 10%);
-@navbar-inverse-link-disabled-color:        #444;
-@navbar-inverse-link-disabled-bg:           transparent;
-
-// Inverted navbar brand label
-@navbar-inverse-brand-color:                @navbar-inverse-link-color;
-@navbar-inverse-brand-hover-color:          #fff;
-@navbar-inverse-brand-hover-bg:             transparent;
-
-// Inverted navbar toggle
-@navbar-inverse-toggle-hover-bg:            #333;
-@navbar-inverse-toggle-icon-bar-bg:         #fff;
-@navbar-inverse-toggle-border-color:        #333;
-
-
-//== Navs
-//
-//##
-
-//=== Shared nav styles
-@nav-link-padding:                          5px 10px;
-@nav-link-hover-bg:                         @gray-lighter;
-
-@nav-disabled-link-color:                   @gray-light;
-@nav-disabled-link-hover-color:             @gray-light;
-
-//== Tabs
-@nav-tabs-border-color:                     #ddd;
-
-@nav-tabs-link-hover-border-color:          @gray-lighter;
-
-@nav-tabs-active-link-hover-bg:             @body-bg;
-@nav-tabs-active-link-hover-color:          @gray;
-@nav-tabs-active-link-hover-border-color:   #ddd;
-
-@nav-tabs-justified-link-border-color:            #ddd;
-@nav-tabs-justified-active-link-border-color:     @body-bg;
-
-//== Pills
-@nav-pills-border-radius:                   @border-radius-base;
-@nav-pills-active-link-hover-bg:            @component-active-bg;
-@nav-pills-active-link-hover-color:         @component-active-color;
-
-
-//== Pagination
-//
-//##
-
-@pagination-color:                     @link-color;
-@pagination-bg:                        #fff;
-@pagination-border:                    #ddd;
-
-@pagination-hover-color:               @link-hover-color;
-@pagination-hover-bg:                  @gray-lighter;
-@pagination-hover-border:              #ddd;
-
-@pagination-active-color:              #fff;
-@pagination-active-bg:                 @brand-primary;
-@pagination-active-border:             @brand-primary;
-
-@pagination-disabled-color:            @gray-light;
-@pagination-disabled-bg:               #fff;
-@pagination-disabled-border:           #ddd;
-
-
-//== Pager
-//
-//##
-
-@pager-bg:                             @pagination-bg;
-@pager-border:                         @pagination-border;
-@pager-border-radius:                  15px;
-
-@pager-hover-bg:                       @pagination-hover-bg;
-
-@pager-active-bg:                      @pagination-active-bg;
-@pager-active-color:                   @pagination-active-color;
-
-@pager-disabled-color:                 @pagination-disabled-color;
-
-
-//== Jumbotron
-//
-//##
-
-@jumbotron-padding:              30px;
-@jumbotron-color:                inherit;
-@jumbotron-bg:                   @cl__yellow;
-@jumbotron-heading-color:        inherit;
-@jumbotron-font-size:            ceil((@font-size-base * 1.5));
-@jumbotron-heading-font-size:    ceil((@font-size-base * 4.5));
-
-
-//== Form states and alerts
-//
-//## Define colors for form feedback states and, by default, alerts.
-
-@state-success-text:             darken(@cl__green, 10%);
-@state-success-bg:               lighten(@cl__green, 40%);
-@state-success-border:           darken(spin(@state-success-bg, -10), 5%);
-
-@state-info-text:                @cl__blue;
-@state-info-bg:                  lighten(@cl__blue, 40%);
-@state-info-border:              darken(spin(@state-info-bg, -10), 7%);
-
-@state-warning-text:             #c09853;
-@state-warning-bg:               #fcf8e3;
-@state-warning-border:           darken(spin(@state-warning-bg, -10), 5%);
-
-@state-danger-text:              #b94a48;
-@state-danger-bg:                #f2dede;
-@state-danger-border:            darken(spin(@state-danger-bg, -10), 5%);
-
-
-//== Tooltips
-//
-//##
-
-//** Tooltip max width
-@tooltip-max-width:           200px;
-//** Tooltip text color
-@tooltip-color:               #fff;
-//** Tooltip background color
-@tooltip-bg:                  #000;
-@tooltip-opacity:             .9;
-
-//** Tooltip arrow width
-@tooltip-arrow-width:         5px;
-//** Tooltip arrow color
-@tooltip-arrow-color:         @tooltip-bg;
-
-
-//== Popovers
-//
-//##
-
-//** Popover body background color
-@popover-bg:                          #fff;
-//** Popover maximum width
-@popover-max-width:                   276px;
-//** Popover border color
-@popover-border-color:                rgba(0,0,0,.2);
-//** Popover fallback border color
-@popover-fallback-border-color:       #ccc;
-
-//** Popover title background color
-@popover-title-bg:                    darken(@popover-bg, 3%);
-
-//** Popover arrow width
-@popover-arrow-width:                 10px;
-//** Popover arrow color
-@popover-arrow-color:                 @popover-bg;
-
-//** Popover outer arrow width
-@popover-arrow-outer-width:           (@popover-arrow-width + 1);
-//** Popover outer arrow color
-@popover-arrow-outer-color:           fadein(@popover-border-color, 5%);
-//** Popover outer arrow fallback color
-@popover-arrow-outer-fallback-color:  darken(@popover-fallback-border-color, 20%);
-
-
-//== Labels
-//
-//##
-
-//** Default label background color
-@label-default-bg:            @gray-light;
-//** Primary label background color
-@label-primary-bg:            @brand-primary;
-//** Success label background color
-@label-success-bg:            @brand-success;
-//** Info label background color
-@label-info-bg:               @brand-info;
-//** Warning label background color
-@label-warning-bg:            @brand-warning;
-//** Danger label background color
-@label-danger-bg:             @brand-danger;
-
-//** Default label text color
-@label-color:                 #fff;
-//** Default text color of a linked label
-@label-link-hover-color:      #fff;
-
-
-//== Modals
-//
-//##
-
-//** Padding applied to the modal body
-@modal-inner-padding:         15px;
-
-//** Padding applied to the modal title
-@modal-title-padding:         15px;
-//** Modal title line-height
-@modal-title-line-height:     @line-height-base;
-
-//** Background color of modal content area
-@modal-content-bg:                             #fff;
-//** Modal content border color
-@modal-content-border-color:                   rgba(0,0,0,.2);
-//** Modal content border color **for IE8**
-@modal-content-fallback-border-color:          #999;
-
-//** Modal backdrop background color
-@modal-backdrop-bg:           #000;
-//** Modal backdrop opacity
-@modal-backdrop-opacity:      .5;
-//** Modal header border color
-@modal-header-border-color:   #e5e5e5;
-//** Modal footer border color
-@modal-footer-border-color:   @modal-header-border-color;
-
-@modal-lg:                    900px;
-@modal-md:                    600px;
-@modal-sm:                    300px;
-
-
-//== Alerts
-//
-//## Define alert colors, border radius, and padding.
-
-@alert-padding:               15px;
-@alert-border-radius:         @border-radius-base;
-@alert-link-font-weight:      bold;
-
-@alert-success-bg:            @state-success-bg;
-@alert-success-text:          @state-success-text;
-@alert-success-border:        @state-success-border;
-
-@alert-info-bg:               @state-info-bg;
-@alert-info-text:             @state-info-text;
-@alert-info-border:           @state-info-border;
-
-@alert-warning-bg:            @state-warning-bg;
-@alert-warning-text:          @state-warning-text;
-@alert-warning-border:        @state-warning-border;
-
-@alert-danger-bg:             @state-danger-bg;
-@alert-danger-text:           @state-danger-text;
-@alert-danger-border:         @state-danger-border;
-
-
-//== Progress bars
-//
-//##
-
-//** Background color of the whole progress component
-@progress-bg:                 #f5f5f5;
-//** Progress bar text color
-@progress-bar-color:          #fff;
-//** Variable for setting rounded corners on progress bar.
-@progress-border-radius:      @border-radius-base;
-
-//** Default progress bar color
-@progress-bar-bg:             @brand-primary;
-//** Success progress bar color
-@progress-bar-success-bg:     @brand-success;
-//** Warning progress bar color
-@progress-bar-warning-bg:     @brand-warning;
-//** Danger progress bar color
-@progress-bar-danger-bg:      @brand-danger;
-//** Info progress bar color
-@progress-bar-info-bg:        @brand-info;
-
-
-//== List group
-//
-//##
-
-//** Background color on `.list-group-item`
-@list-group-bg:                 #fff;
-//** `.list-group-item` border color
-@list-group-border:             #ddd;
-//** List group border radius
-@list-group-border-radius:      @border-radius-base;
-
-//** Background color of single list items on hover
-@list-group-hover-bg:           #f5f5f5;
-//** Text color of active list items
-@list-group-active-color:       @component-active-color;
-//** Background color of active list items
-@list-group-active-bg:          @component-active-bg;
-//** Border color of active list elements
-@list-group-active-border:      @list-group-active-bg;
-//** Text color for content within active list items
-@list-group-active-text-color:  lighten(@list-group-active-bg, 40%);
-
-//** Text color of disabled list items
-@list-group-disabled-color:      @gray-light;
-//** Background color of disabled list items
-@list-group-disabled-bg:         @gray-lighter;
-//** Text color for content within disabled list items
-@list-group-disabled-text-color: @list-group-disabled-color;
-
-@list-group-link-color:         #555;
-@list-group-link-hover-color:   @list-group-link-color;
-@list-group-link-heading-color: #333;
-
-
-//== Panels
-//
-//##
-
-@panel-bg:                    #fff;
-@panel-body-padding:          15px;
-@panel-heading-padding:       10px 15px;
-@panel-footer-padding:        @panel-heading-padding;
-@panel-border-radius:         @border-radius-base;
-
-//** Border color for elements within panels
-@panel-inner-border:          #ddd;
-@panel-footer-bg:             #f5f5f5;
-
-@panel-default-text:          lighten(@cl__black, 30%);
-@panel-default-border:        #ddd;
-@panel-default-heading-bg:    #f5f5f5;
-
-@panel-primary-text:          #fff;
-@panel-primary-border:        @brand-primary;
-@panel-primary-heading-bg:    @brand-primary;
-
-@panel-success-text:          @state-success-text;
-@panel-success-border:        @state-success-border;
-@panel-success-heading-bg:    @state-success-bg;
-
-@panel-info-text:             @state-info-text;
-@panel-info-border:           @state-info-border;
-@panel-info-heading-bg:       @state-info-bg;
-
-@panel-warning-text:          @state-warning-text;
-@panel-warning-border:        @state-warning-border;
-@panel-warning-heading-bg:    @state-warning-bg;
-
-@panel-danger-text:           @state-danger-text;
-@panel-danger-border:         @state-danger-border;
-@panel-danger-heading-bg:     @state-danger-bg;
-
-
-//== Thumbnails
-//
-//##
-
-//** Padding around the thumbnail image
-@thumbnail-padding:           4px;
-//** Thumbnail background color
-@thumbnail-bg:                @body-bg;
-//** Thumbnail border color
-@thumbnail-border:            #ddd;
-//** Thumbnail border radius
-@thumbnail-border-radius:     @border-radius-base;
-
-//** Custom text color for thumbnail captions
-@thumbnail-caption-color:     @text-color;
-//** Padding around the thumbnail caption
-@thumbnail-caption-padding:   9px;
-
-
-//== Wells
-//
-//##
-
-@well-bg:                     lighten(@cl__gray, 30%);
-@well-border:                 lighten(@cl__blue, 50%);
-
-
-//== Badges
-//
-//##
-
-@badge-color:                 #fff;
-//** Linked badge text color on hover
-@badge-link-hover-color:      #fff;
-@badge-bg:                    @gray-light;
-
-//** Badge text color in active nav link
-@badge-active-color:          @link-color;
-//** Badge background color in active nav link
-@badge-active-bg:             #fff;
-
-@badge-font-weight:           bold;
-@badge-line-height:           1;
-@badge-border-radius:         10px;
-
-
-//== Breadcrumbs
-//
-//##
-
-@breadcrumb-padding-vertical:   8px;
-@breadcrumb-padding-horizontal: 15px;
-//** Breadcrumb background color
-@breadcrumb-bg:                 @cl__white;
-//** Breadcrumb text color
-@breadcrumb-color:              #ccc;
-//** Text color of current page in the breadcrumb
-@breadcrumb-active-color:       @cl__gray;
-//** Textual separator for between breadcrumb elements
-@breadcrumb-separator:          "/";
-
-
-//== Carousel
-//
-//##
-
-@carousel-text-shadow:                        0 1px 2px rgba(0,0,0,.6);
-
-@carousel-control-color:                      #fff;
-@carousel-control-width:                      15%;
-@carousel-control-opacity:                    .5;
-@carousel-control-font-size:                  20px;
-
-@carousel-indicator-active-bg:                #fff;
-@carousel-indicator-border-color:             #fff;
-
-@carousel-caption-color:                      #fff;
-
-
-//== Close
-//
-//##
-
-@close-font-weight:           bold;
-@close-color:                 #000;
-@close-text-shadow:           0 1px 0 #fff;
-
-
-//== Code
-//
-//##
-
-@code-color:                  @cl__blue;
-@code-bg:                     lighten(@cl__blue, 50%);
-
-@kbd-color:                   #fff;
-@kbd-bg:                      lighten(@cl__blue, 10%);
-
-@pre-bg:                      #f5f5f5;
-@pre-color:                   @gray-dark;
-@pre-border-color:            #ccc;
-@pre-scrollable-max-height:   340px;
-
-
-//== Type
-//
-//##
-
-//** Horizontal offset for forms and lists.
-@component-offset-horizontal: 180px;
-//** Text muted color
-@text-muted:                  @gray-light;
-//** Abbreviations and acronyms border color
-@abbr-border-color:           @gray-light;
-//** Headings small color
-@headings-small-color:        @gray-light;
-//** Blockquote small color
-@blockquote-small-color:      @gray-light;
-//** Blockquote font size
-@blockquote-font-size:        @font-size-base;
-//** Blockquote border color
-@blockquote-border-color:     @gray-lighter;
-//** Page header border color
-@page-header-border-color:    @gray-lighter;
-//** Width of horizontal description list titles
-@dl-horizontal-offset:        @component-offset-horizontal;
-//** Horizontal line color.
-@hr-border:                   lighten(@cl__gray, 10%);
diff --git a/data/static_dist/pythonz.js b/data/static_dist/pythonz.js
deleted file mode 100644
index 5311555f..00000000
--- a/data/static_dist/pythonz.js
+++ /dev/null
@@ -1,171 +0,0 @@
-//xross.debug = true;
-
-pythonz = {
-
-    bootstrap: function() {
-        xross.automate();
-        $(function(){
-            pythonz.mark_user();
-            sitecats.bootstrap();
-            sitecats.make_cloud('tags_box');
-            $('.mod__has_tooltip').tooltip()
-        });
-    },
-
-    mark_user: function() {
-        $('.py_user').each(function(i, el) {
-            var html = el.innerHTML.replace(/\[u:(\d+):\s*([^\]\s]+)\s*\]/g, '<a href="http://pythonz.net/users/$1" title="Профиль на pythonz">$2</a>');
-            $(el).html(html);
-        });
-    },
-
-    Reference: {
-
-        RULE_PYVERSION_ADDED: [/\+py([\w\.]+)/g, '<small><div class="label label-info" title="Актуально с версии">$1</div></small>'],
-        RULE_PYVERSION_REMOVED: [/-py([\w\.]+)/g, '<small><div class="label label-danger" title="Устрело в версии">$1</div></small>'],
-        RULE_LITERAL: [/'([^']+)'/g, '<strong class="cl__green">$1</strong>'],
-        RULE_UNDERMETHOD: [/(__[^\s]+__)/g, '<i>$1</i>'],
-        RULE_BASE_TYPES: [
-            /([^\w/])(bool|callable|dict|False|int|iterable|iterator|list|None|object|set|str|True|tuple|unicode)([^\w])/g,
-            '$1<small><code>$2</code></small>$3'
-        ],
-        RULE_EXCEPTIONS: [
-            /([^\w])(AttributeError|ImportError|IndexError|KeyError|NotImplementedError|RuntimeError|StopIteration|SyntaxError|SystemError|TypeError|UnboundLocalError|ValueError)([^\w])/g,
-            '$1<small><div class="label label-warning">$2</div></small>$3'
-        ],
-        RULE_EMDASH: [/\s+-\s+/g, ' &#8212; '],
-
-        decorate_description: function(area_id) {
-            this.decorate_area(area_id,
-                [
-                    this.RULE_PYVERSION_REMOVED,
-                    this.RULE_PYVERSION_ADDED,
-                    this.RULE_BASE_TYPES,
-                    this.RULE_EXCEPTIONS,
-                    this.RULE_EMDASH
-                ]
-            )
-        },
-
-        decorate_func_result: function(area_id) {
-            this.decorate_area(area_id,
-                [
-                    this.RULE_PYVERSION_REMOVED,
-                    this.RULE_PYVERSION_ADDED,
-                    this.RULE_BASE_TYPES,
-                    this.RULE_EMDASH
-                ]
-            )
-        },
-
-        decorate_func_params: function(area_id) {
-            var func_process_args = function (match_str, arg_name, separator) {
-                    arg_name = arg_name.replace(/([^=]+)(=.+)/g, '$1<span class="text-muted">$2</span>');
-                    return '<small><span class="glyphicon glyphicon-certificate"></span></small> <b>' + arg_name + '</b>' + separator;
-                };
-
-            this.decorate_area(area_id,
-                [
-                    [/([^>\s]+)(\s--)/g, func_process_args],
-                    [/--/g, ':'],
-                    this.RULE_PYVERSION_REMOVED,
-                    this.RULE_PYVERSION_ADDED,
-                    this.RULE_LITERAL,
-                    this.RULE_UNDERMETHOD,
-                    this.RULE_BASE_TYPES,
-                    this.RULE_EXCEPTIONS,
-                    this.RULE_EMDASH
-                ]
-            )
-        },
-
-        decorate_area: function(area_id, rules) {
-            var $area = $('#' + area_id),
-                html = $area.html();
-
-            if (html !== undefined) {
-                $.each(rules, function (idx, rule) {
-                    html = html.replace(rule[0], rule[1]);
-                });
-            }
-
-            $area.html(html);
-
-        }
-
-    },
-
-    Map: function (map_el_id, objects) {
-
-        var self = this,
-            _map_el = $('#'+map_el_id),
-            _map_objs = objects;
-
-        this.get_bounds_for_coords = function(coords) {
-            return ymaps.util.bounds.getCenterAndZoom(coords, [_map_el.width(), _map_el.height()])
-        };
-
-        this.get_placemarks_from_map_objects = function(objects) {
-            var all_marks = [],
-                mark_idx = 0;
-
-            if (objects===undefined) {
-                objects = _map_objs
-            }
-
-            $.each(objects, function(id, props) {
-                var coords = props.coords,
-                    title = props.title,
-                        descr = props.descr,
-                        link = props.link;
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-                all_marks[mark_idx] = new ymaps.Placemark(coords, {
-                        balloonContentHeader: title,
-                        balloonContentBody: descr,
-                        balloonContentFooter: link,
-                        clusterCaption: title,
-                        place_id: id
-                    }, {
-                        hideIconOnBalloonOpen: false,
-                        preset: 'islands#darkBlueCircleDotIcon'
-                    });
-
-                mark_idx++;
-            });
-            return all_marks
-        };
-
-        this.get_clusterer = function() {
-            var objs = self.get_placemarks_from_map_objects(),
-                clusterer = new ymaps.Clusterer({
-                    preset: 'islands#darkBlueClusterIcons',
-                    clusterDisableClickZoom: true,
-                    clusterBalloonPanelMaxMapArea: 0,
-                    clusterBalloonContentLayoutWidth: 250,
-                    clusterBalloonContentLayoutHeight: 100,
-                    clusterBalloonLeftColumnWidth: 100
-                });
-            clusterer.add(objs);
-            return clusterer;
-        };
-
-        this.init_map = function () {
-            ymaps.ready(function () {
-                var clusterer = self.get_clusterer(),
-                    map_state = self.get_bounds_for_coords(clusterer.getBounds());
-
-                $.extend(map_state, {
-                    controls: ['zoomControl']
-                });
-
-                var map = new ymaps.Map(_map_el.attr('id'), map_state);
-                map.geoObjects.add(clusterer);
-            })
-        };
-
-        self.init_map();
-    }
-
-};
-
-pythonz.bootstrap();
diff --git a/data/static_src/css/bootstrap.css b/data/static_src/css/bootstrap.css
deleted file mode 100644
index cd36b52a..00000000
--- a/data/static_src/css/bootstrap.css
+++ /dev/null
@@ -1,5 +0,0 @@
-/*!
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- * Copyright 2011-2015 Twitter, Inc.
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+++ /dev/null
@@ -1 +0,0 @@
-.block{display:inline-block}.of__hidden{overflow:hidden}.cl__blue{color:#3776ab}.cl__yellow{color:#ffd343}.cl__green{color:#82b043}.cl__gray{color:#888}.pad__t_min{padding-top:10px}.pad__t_mid{padding-top:20px}.marg__t_min{margin-top:10px}.marg__t_mid{margin-top:20px}.marg__t_max{margin-top:40px}.marg__b_min{margin-bottom:10px}.marg__b_mid{margin-bottom:20px}.marg__b_max{margin-bottom:40px}.marg__l_min{margin-left:10px}.marg__l_mid{margin-left:20px}.marg__r_min{margin-right:10px}.marg__r_mid{margin-right:20px}.footer{border-bottom:0;margin-top:40px;padding-top:20px;font-size:12px}.footer .menu li{display:inline-block;margin-right:10px}.panel{font-size:14px}.panel .panel-title{font-size:16px}.panel .panel-body{color:#4d4d4d}.panel .panel-body ul,.panel .panel-body ol{padding-left:inherit;padding-right:inherit}.page-header{margin-top:0}.navbar{margin-bottom:0}.navbar input{margin-top:4px;height:30px;max-width:180px;font-size:15px}.navbar .navbar-brand img{margin:5px}.control-label{font-weight:normal;color:#666}.well a{color:#666;text-decoration:underline}.breadcrumb{font-size:12px;padding:0;margin:0}.b-forgetmenot_size_l{height:28px!important}html,body{padding-top:20px}header h1{font-family:Belleza,sans-serif;font-size:45px}header a:hover{text-decoration:none}h1,h2,h3,h4,h5,h6{font-family:'PT Serif',serif}h6{padding-bottom:10px;font-weight:bold;margin-bottom:20px;color:#4f90c6;border-bottom:1px #3776ab dashed}input[type=checkbox]{display:inline-block;width:10px;float:right}#page_controls{width:100%;text-align:center}#page_controls form{display:inline}#bar__most_voted{background-color:#fbfbfb;border-radius:10px}nav .submenu{border-left:4px #82b043 solid}.body{background-color:#fff;padding-top:40px;padding-bottom:40px}.section{margin-bottom:40px}.mod__has_tooltip{cursor:help}.icon_entity{font-size:40px;margin-right:20px;float:left;color:#3776ab}.form_table td{vertical-align:top}.listing_item.small{min-height:80px}.float_panel{min-width:250px}.userlist_item{margin:2px}.gist{overflow:auto}.gist pre{font-size:12px!important}.discussions{list-style-type:none;padding:0}.discussions .well{background-color:#fff}.discussions .discussion{padding:10px}.discussions .discussion:hover{background-color:#f9fcf6}.vacancies .label{font-family:Verdana,Arial,helvetica,sans-serif}.tags_box{font-family:Verdana,Arial,helvetica,sans-serif}.tags_box .big .title{font-size:20px;min-width:250px;max-width:250px}.tags_box .big .categories_box{margin-bottom:40px}.tags_box .big .list_entry{margin-right:20px}.tags_box ul{list-style-type:none;display:inline;padding:0;vertical-align:middle}.tags_box .categories_box{margin-bottom:10px;font-size:14px}.tags_box .btn_remove{margin-right:10px}.tags_box form{display:inline}.tags_box .title{color:#888;min-width:55px;max-width:55px;font-size:10px;display:inline;float:left;margin-right:10px}.tags_box .choice{margin-right:10px;font-size:12px;color:#3776ab;cursor:pointer}.tags_box .editor{margin:10px 0 10px 63px;padding-bottom:10px;border-bottom:1px solid #eee}.tags_box li{margin:0;padding:0;display:inline}.zen .eng{line-height:1.3em;font-size:10px}.zen h2{line-height:1.2em}.zen .small{font-size:10px;text-align:right}.features .features_row div{min-width:100px;padding:10px}.features i{color:#808080;font-size:28px}.features a{color:#d9d9d9}.features i:hover,.features a:hover{color:#3776ab;text-decoration:none}.cover_img .icon_entity{padding:20px;color:#bbb;min-width:100px}.cover_img a{text-align:center}.faded{opacity:.1}.faded:hover{opacity:1}.listing_item{padding:10px;min-width:350px;max-width:350px;min-height:150px;max-height:150px;float:left;margin-right:20px;margin-top:20px;border-right:1px solid #eee}.listing_item img{margin-right:20px;float:left}.listing_item sup{color:#888}.listing_item .rating{position:absolute;margin-left:10px}.listing_item .description{overflow:hidden}.listing_item .description .small{margin-top:10px;font-size:10px}
\ No newline at end of file
diff --git a/data/static_src/js/pythonz.min.js b/data/static_src/js/pythonz.min.js
deleted file mode 100644
index 26459be3..00000000
--- a/data/static_src/js/pythonz.min.js
+++ /dev/null
@@ -1 +0,0 @@
-pythonz={bootstrap:function(){xross.automate();$(function(){pythonz.mark_user();sitecats.bootstrap();sitecats.make_cloud("tags_box");$(".mod__has_tooltip").tooltip()})},mark_user:function(){$(".py_user").each(function(e,t){var n=t.innerHTML.replace(/\[u:(\d+):\s*([^\]\s]+)\s*\]/g,'<a href="http://pythonz.net/users/$1" title="Профиль на pythonz">$2</a>');$(t).html(n)})},Reference:{RULE_PYVERSION_ADDED:[/\+py([\w\.]+)/g,'<small><div class="label label-info" title="Актуально с версии">$1</div></small>'],RULE_PYVERSION_REMOVED:[/-py([\w\.]+)/g,'<small><div class="label label-danger" title="Устрело в версии">$1</div></small>'],RULE_LITERAL:[/'([^']+)'/g,'<strong class="cl__green">$1</strong>'],RULE_UNDERMETHOD:[/(__[^\s]+__)/g,"<i>$1</i>"],RULE_BASE_TYPES:[/([^\w/])(bool|callable|dict|False|int|iterable|iterator|list|None|object|set|str|True|tuple|unicode)([^\w])/g,"$1<small><code>$2</code></small>$3"],RULE_EXCEPTIONS:[/([^\w])(AttributeError|ImportError|IndexError|KeyError|NotImplementedError|RuntimeError|StopIteration|SyntaxError|SystemError|TypeError|UnboundLocalError|ValueError)([^\w])/g,'$1<small><div class="label label-warning">$2</div></small>$3'],RULE_EMDASH:[/\s+-\s+/g," &#8212; "],decorate_description:function(e){this.decorate_area(e,[this.RULE_PYVERSION_REMOVED,this.RULE_PYVERSION_ADDED,this.RULE_BASE_TYPES,this.RULE_EXCEPTIONS,this.RULE_EMDASH])},decorate_func_result:function(e){this.decorate_area(e,[this.RULE_PYVERSION_REMOVED,this.RULE_PYVERSION_ADDED,this.RULE_BASE_TYPES,this.RULE_EMDASH])},decorate_func_params:function(e){var t=function(e,t,n){t=t.replace(/([^=]+)(=.+)/g,'$1<span class="text-muted">$2</span>');return'<small><span class="glyphicon glyphicon-certificate"></span></small> <b>'+t+"</b>"+n};this.decorate_area(e,[[/([^>\s]+)(\s--)/g,t],[/--/g,":"],this.RULE_PYVERSION_REMOVED,this.RULE_PYVERSION_ADDED,this.RULE_LITERAL,this.RULE_UNDERMETHOD,this.RULE_BASE_TYPES,this.RULE_EXCEPTIONS,this.RULE_EMDASH])},decorate_area:function(e,t){var n=$("#"+e),r=n.html();if(r!==undefined){$.each(t,function(e,t){r=r.replace(t[0],t[1])})}n.html(r)}},Map:function(e,t){var n=this,r=$("#"+e),i=t;this.get_bounds_for_coords=function(e){return ymaps.util.bounds.getCenterAndZoom(e,[r.width(),r.height()])};this.get_placemarks_from_map_objects=function(e){var t=[],n=0;if(e===undefined){e=i}$.each(e,function(e,r){var i=r.coords,s=r.title,o=r.descr,u=r.link;t[n]=new ymaps.Placemark(i,{balloonContentHeader:s,balloonContentBody:o,balloonContentFooter:u,clusterCaption:s,place_id:e},{hideIconOnBalloonOpen:false,preset:"islands#darkBlueCircleDotIcon"});n++});return t};this.get_clusterer=function(){var e=n.get_placemarks_from_map_objects(),t=new ymaps.Clusterer({preset:"islands#darkBlueClusterIcons",clusterDisableClickZoom:true,clusterBalloonPanelMaxMapArea:0,clusterBalloonContentLayoutWidth:250,clusterBalloonContentLayoutHeight:100,clusterBalloonLeftColumnWidth:100});t.add(e);return t};this.init_map=function(){ymaps.ready(function(){var e=n.get_clusterer(),t=n.get_bounds_for_coords(e.getBounds());$.extend(t,{controls:["zoomControl"]});var i=new ymaps.Map(r.attr("id"),t);i.geoObjects.add(e)})};n.init_map()}};pythonz.bootstrap()
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 00000000..1975578c
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,7 @@
+version: '3.8'
+services:
+  web:
+    build: .
+    command: uv run pythonz runserver 0.0.0.0:8000
+    ports:
+      - 8000:8000
diff --git a/manage.py b/manage.py
deleted file mode 100755
index 86eb56a8..00000000
--- a/manage.py
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/usr/bin/env python
-import os
-import sys
-
-
-if __name__ == '__main__':
-    # Для правильного импорта модулей добавим пару путей в список поиска:
-    PROJECT_PATH = os.path.realpath(os.path.dirname(__file__))
-    sys.path = [os.path.dirname(PROJECT_PATH), PROJECT_PATH] + sys.path
-
-    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'settings.prod')
-    from django.core.management import execute_from_command_line
-    execute_from_command_line(sys.argv)
diff --git a/manage_dev.py b/manage_dev.py
deleted file mode 100755
index 881ea6a6..00000000
--- a/manage_dev.py
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/usr/bin/env python
-import os
-import sys
-
-
-if __name__ == '__main__':
-    # Для правильного импорта модулей добавим пару путей в список поиска:
-    PROJECT_PATH = os.path.realpath(os.path.dirname(__file__))
-    sys.path = [os.path.dirname(PROJECT_PATH), PROJECT_PATH] + sys.path
-
-    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'settings.dev')
-    from django.core.management import execute_from_command_line
-    execute_from_command_line(sys.argv)
diff --git a/nginx_pages/error.html b/nginx_pages/error.html
deleted file mode 100644
index 369cd2b3..00000000
--- a/nginx_pages/error.html
+++ /dev/null
@@ -1,36 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-    <meta charset="UTF-8">
-    <title>PYTHONZ. Ошибка вышла...</title>
-    <style>
-        body {
-            font-family: sans-serif;
-            color: #333;
-            font-size: 14px;
-            padding: 10px;
-            margin: 0;
-        }
-        .footer {
-            font-size: 10px;
-            color: #999;
-            margin-top: 25px;
-        }
-        hr {
-            color: #ccc;
-        }
-    </style>
-</head>
-<body>
-    <h1>PYTHONZ. Ошибка вышла&hellip;</h1>
-    <p>В данный момент <a href="http://pythonz.net">pythonz.net</a> испытывает некоторые трудности c тем, чтобы донести себя до вас.</p>
-    <p>Скорее всего, компетентные органы уже занимаются этим вопросом, и вскоре всё вернётся на круги своя.</p>
-    <p><i>Всё будет хорошо.</i></p>
-
-    <div class="footer">
-        <hr noshade>
-        pythonz &#8211; <a href="https://github.com/idlesign/pythonz">разрабатываемая открыто</a>, платформа для разработчиков на языке программирования Python и сочувствующих.
-        Адрес для контактов &#8211; <a href="mailto:press@pythonz.net">press@pythonz.net</a>.
-    </div>
-</body>
-</html>
\ No newline at end of file
diff --git a/nginx_pages/maintenance.html b/nginx_pages/maintenance.html
deleted file mode 100644
index 61fcb4e8..00000000
--- a/nginx_pages/maintenance.html
+++ /dev/null
@@ -1,36 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-    <meta charset="UTF-8">
-    <title>PYTHONZ. Идут работы</title>
-    <style>
-        body {
-            font-family: sans-serif;
-            color: #333;
-            font-size: 14px;
-            padding: 10px;
-            margin: 0;
-        }
-        .footer {
-            font-size: 10px;
-            color: #999;
-            margin-top: 25px;
-        }
-        hr {
-            color: #ccc;
-        }
-    </style>
-</head>
-<body>
-    <h1>PYTHONZ. Идут работы</h1>
-    <p>Как раз сейчас на <a href="http://pythonz.net">pythonz.net</a> идут технические работы.</p>
-    <p>Через некоторое время сайт снова будет с вами.</p>
-    <p><i>Возвращайтесь.</i></p>
-
-    <div class="footer">
-        <hr noshade>
-        pythonz &#8211; <a href="https://github.com/idlesign/pythonz">разрабатываемая открыто</a>, платформа для разработчиков на языке программирования Python и сочувствующих.
-        Адрес для контактов &#8211; <a href="mailto:press@pythonz.net">press@pythonz.net</a>.
-    </div>
-</body>
-</html>
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000..25c0ad6a
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,122 @@
+[project]
+name = "pythonz"
+dynamic = ["version"]
+description = "Source code for pythonz.net"
+authors = [
+    { name = "Igor Starikov", email = "idlesign@yandex.ru" }
+]
+readme = "README.md"
+license = "GPL-3.0-only"
+license-files = ["LICENSE"]
+requires-python = "==3.12.*"
+dependencies = [
+    "awesome-slugify~=1.6.5",
+    "beautifulsoup4~=4.13",
+    "bleach~=6.2.0",
+    "django~=5.2.4",
+    "django-admirarchy~=1.2.2",
+    "django-etc~=1.4.0",
+    "django-robots~=6.1",
+    "django-simple-history~=3.10.1",
+    "django-siteajax~=1.0.0",
+    "django-siteblocks~=1.2.1",
+    "django-sitecats~=1.2.2",
+    "django-siteflags~=1.3.0",
+    "django-siteforms~=1.2.0",
+    "django-sitegate~=1.3.3",
+    "django-sitemessage~=1.4.0",
+    "django-sitemetrics~=1.2.0",
+    "django-siteprefs~=1.2.3",
+    "django-sitetree~=1.18.0",
+    "django-yaturbo~=1.0.1",
+    "envbox~=1.3.0",
+    "feedparser~=6.0.11",
+    "icalendar-light~=1.0.0",
+    "lxml~=6.0.0",
+    "pillow~=11.3.0",
+    "psycopg~=3.2.9",
+    "pytelegrambotapi~=4.9.0",
+    "pytz~=2025.2",
+    "regex~=2024.11.6",
+    "requests[socks]~=2.32.4",
+    "sentry-sdk~=2.32.0",
+    "twitter~=1.19.6",
+    "uwsgi~=2.0.30",
+    "uwsgiconf[cli]~=2.0.0",
+]
+
+[project.urls]
+Homepage = "https://github.com/idlesign/pythonz"
+
+[project.scripts]
+pythonz = "pythonz.manage:main"
+
+[dependency-groups]
+dev = [
+    {include-group = "linters"},
+    {include-group = "tests"},
+    {include-group = "runtime"},
+]
+linters = [
+]
+tests = [
+    "pytest",
+    "pytest-djangoapp>=1.3.0",
+    "pytest-responsemock",
+    "freezegun",
+]
+runtime = [
+    "django-debug-toolbar~=5.2.0",
+]
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.version]
+path = "pythonz/__init__.py"
+
+[tool.hatch.build.targets.wheel]
+packages = ["pythonz/"]
+
+[tool.hatch.build.targets.sdist]
+packages = ["pythonz/"]
+
+[tool.pytest.ini_options]
+testpaths = [
+    "tests",
+]
+markers = [
+    "slow: long running tests",
+]
+addopts = "--strict-markers"
+
+[tool.coverage.run]
+source = [
+    "pythonz/",
+]
+omit = [
+    "pythonz/apps/migrations/*",
+]
+
+[tool.coverage.report]
+fail_under = 90.00
+exclude_also = [
+    "raise NotImplementedError",
+    "if TYPE_CHECKING:",
+]
+
+[tool.tox]
+skip_missing_interpreters = true
+env_list = [
+  "py310",
+  "py311",
+  "py312",
+  "py313",
+]
+
+[tool.tox.env_run_base]
+dependency_groups = ["tests"]
+commands = [
+  ["pytest", { replace = "posargs", default = ["tests"], extend = true }],
+]
diff --git a/pythonz/__init__.py b/pythonz/__init__.py
new file mode 100644
index 00000000..f84bdd53
--- /dev/null
+++ b/pythonz/__init__.py
@@ -0,0 +1,4 @@
+
+
+VERSION = '1.0.0'
+"""Application version."""
diff --git a/pythonz/apps/__init__.py b/pythonz/apps/__init__.py
new file mode 100644
index 00000000..cdbcf3d0
--- /dev/null
+++ b/pythonz/apps/__init__.py
@@ -0,0 +1,16 @@
+from json import JSONEncoder
+
+
+def patch_json_encoder():
+    """Модифицирует базовый json-кодировщик, для поддержки метода
+    to_json пользовательских типов.
+
+    """
+    def json_encoder_default(self, obj):
+        return getattr(obj.__class__, 'to_json', json_encoder_default.default_)(obj)
+
+    json_encoder_default.default_ = JSONEncoder().default
+    JSONEncoder.default = json_encoder_default
+
+
+patch_json_encoder()
diff --git a/pythonz/apps/admin.py b/pythonz/apps/admin.py
new file mode 100644
index 00000000..f9de4809
--- /dev/null
+++ b/pythonz/apps/admin.py
@@ -0,0 +1,309 @@
+from json import loads
+
+from admirarchy.toolbox import HierarchicalModelAdmin
+from django import forms
+from django.contrib import admin
+from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
+from django.contrib.auth.forms import UserChangeForm as BaseUserChangeForm
+from django.contrib.auth.forms import UserCreationForm as BaseUserCreationForm
+from django.contrib.contenttypes.admin import GenericTabularInline
+from django.db import models
+from django.db.models import QuerySet
+from django.http import HttpRequest
+from etc.admin import CustomModelPage
+from simple_history.admin import SimpleHistoryAdmin
+
+from .forms.forms import BookForm
+from .integration.partners import get_partners_choices
+from .models import (
+    PEP,
+    App,
+    Article,
+    Book,
+    Community,
+    Discussion,
+    Event,
+    ExternalResource,
+    PartnerLink,
+    Person,
+    Place,
+    Reference,
+    ReferenceMissing,
+    Summary,
+    User,
+    Vacancy,
+    Version,
+    Video,
+)
+
+
+class BookLinksImportPage(CustomModelPage):
+    """Обрабатывает данные о партнёрских ссылках, загружаемые пакетно."""
+
+    title = 'Импорт ссылок на книги'
+
+    data = models.FileField('Данные для импорта')
+
+    def save(self):
+        links = Book.partner_links_enrich(loads(self.data.read()))
+        self.bound_admin.message_success(self.bound_request, f'Добавлено ссылок: {len(links)}.')
+
+
+BookLinksImportPage.register()
+
+
+def get_inline(model: type[models.Model], field_name: str) -> type:
+    """Возвращает класс встраиваемого редактора для использования
+    в inlines в случаях полей многие-ко-многим.
+
+    :param model:
+    :param field_name:
+
+    """
+    inline_cls = type(f'{model.__name__.capitalize()}Inline', (admin.TabularInline,), {
+        'model': getattr(model, field_name).through,
+        'extra': 0,
+    })
+    return inline_cls
+
+
+##################################################################################
+# Делаем возможным редактировение пользователей (модель изменена нами) в административной части.
+# Пользователи отобразятся в разделе текущего приложения.
+# Взято из http://stackoverflow.com/a/17496836/308265
+
+
+class UserChangeForm(BaseUserChangeForm):
+
+    class Meta(BaseUserChangeForm.Meta):
+        model = User
+
+
+class UserCreationForm(BaseUserCreationForm):
+
+    class Meta(BaseUserCreationForm.Meta):
+        model = User
+
+    def clean_username(self):
+        username = self.cleaned_data['username']
+
+        try:
+            User.objects.get(username=username)
+
+        except User.DoesNotExist:
+            return username
+
+        raise forms.ValidationError(self.error_messages['duplicate_username'])
+
+
+@admin.register(User)
+class UserAdmin(BaseUserAdmin):
+
+    form = UserChangeForm
+    add_form = UserCreationForm
+    list_display = BaseUserAdmin.list_display + ('karma', 'time_created', 'url', 'is_active',)
+
+    fieldsets = BaseUserAdmin.fieldsets + ((None, {'fields': (
+        'karma',
+        'profile_public',
+        'timezone',
+        'url',
+        'email_public'
+    )}),)
+
+##################################################################################
+# Партнёрские ссылки.
+#
+
+
+class PartnerLinkForm(forms.ModelForm):
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+        field = self.fields['partner_alias']
+        field.widget = forms.fields.Select(choices=get_partners_choices())
+
+    class Meta:
+        model = PartnerLink
+        fields = '__all__'
+
+
+class PartnerLinkInline(GenericTabularInline):
+
+    model = PartnerLink
+    form = PartnerLinkForm
+    extra = 0
+
+
+@admin.register(PartnerLink)
+class PartnerLinkAdmin(admin.ModelAdmin):
+
+    list_display = ('linked_object', 'partner_alias', 'description', 'url')
+    list_filter = ['partner_alias']
+
+
+##################################################################################
+
+@admin.register(Summary)
+class SummaryAdmin(admin.ModelAdmin):
+
+    list_display = ('time_created',)
+    list_filter = ['time_created']
+
+
+@admin.register(ExternalResource)
+class ExternalResourceAdmin(admin.ModelAdmin):
+
+    list_display = ('title', 'url', 'src_alias', 'realm_name', 'time_created')
+    list_filter = ['src_alias', 'realm_name']
+    search_fields = ['title', 'description']
+
+
+@admin.register(Place)
+class PlaceAdmin(admin.ModelAdmin):
+
+    list_display = ('geo_title', 'title', 'status', 'time_created', 'time_published')
+    search_fields = ['title', 'geo_title']
+    raw_id_fields = ('last_editor',)
+    list_filter = ['time_created', 'status', 'geo_type']
+    ordering = ['geo_title']
+
+
+@admin.register(Vacancy)
+class VacancyAdmin(admin.ModelAdmin):
+
+    list_display = ('title', 'src_alias', 'src_id', 'status', 'time_created')
+    search_fields = ['title', 'src_id']
+    list_filter = ['status', 'src_alias']
+    ordering = ['-time_created']
+
+
+class EntityBaseAdmin(SimpleHistoryAdmin):
+
+    list_display = ('time_created', 'title', 'submitter', 'time_published')
+    raw_id_fields = ['submitter', 'last_editor', 'linked']
+    search_fields = ['title', 'description']
+    list_filter = ['time_created', 'status']
+    ordering = ['-time_created']
+    readonly_fields = ['time_published', 'supporters_num']
+
+    actions = ['publish']
+
+    def publish(self, request: HttpRequest, queryset: QuerySet):
+
+        for obj in queryset:
+            obj.mark_published()
+            obj.save(notify_published=False)
+
+    publish.short_description = 'Опубликовать'
+
+
+@admin.register(Article)
+class ArticleAdmin(EntityBaseAdmin):
+
+    list_display = ('time_created', 'title', 'submitter', 'source', 'published_by_author', 'time_published')
+    list_filter = ['time_created', 'status', 'source', 'published_by_author']
+
+    actions = EntityBaseAdmin.actions + ['nofollow']
+
+    def nofollow(self, request: HttpRequest, queryset: QuerySet):
+        queryset.update(nofollow=True)
+
+    nofollow.short_description = 'Проставить nofollow'
+
+
+@admin.register(Book)
+class BookAdmin(EntityBaseAdmin):
+
+    form = BookForm
+
+    list_display = ('time_created', 'title', 'submitter', 'isbn', 'time_published')
+    search_fields = ['title', 'isbn']
+    inlines = [PartnerLinkInline]
+
+
+@admin.register(Community)
+class CommunityAdmin(EntityBaseAdmin):
+
+    search_fields = ['title', 'description', 'text']
+
+
+@admin.register(Discussion)
+class DiscussionAdmin(EntityBaseAdmin):
+
+    search_fields = ['title', 'description', 'text']
+
+
+@admin.register(Event)
+class EventAdmin(EntityBaseAdmin):
+
+    list_display = ('time_created', 'title', 'submitter', 'type', 'specialization', 'time_published')
+    search_fields = ['title', 'description', 'text']
+    list_filter = ['time_created', 'status', 'type', 'specialization']
+
+
+@admin.register(Video)
+class VideoAdmin(EntityBaseAdmin):
+    pass
+
+
+@admin.register(PEP)
+class PEPAdmin(EntityBaseAdmin):
+
+    list_display = ('num', 'title', 'type', 'status')
+    search_fields = ['title', 'description']
+    list_filter = ['status', 'type']
+    raw_id_fields = EntityBaseAdmin.raw_id_fields + [
+        'versions', 'superseded', 'replaces', 'requires', 'linked', 'authors'
+    ]
+    readonly_fields = EntityBaseAdmin.readonly_fields + ['status', 'type', 'description']
+
+
+@admin.register(Reference)
+class ReferenceAdmin(HierarchicalModelAdmin, EntityBaseAdmin):
+
+    hierarchy = True
+    list_display = ('title', 'submitter', 'type', 'time_published')
+    list_filter = ['time_created', 'status', 'type', 'version_added', 'version_deprecated']
+
+
+@admin.register(ReferenceMissing)
+class ReferenceMissingAdmin(admin.ModelAdmin):
+
+    list_display = ('term', 'synonyms', 'hits')
+    search_fields = ['term', 'synonyms']
+    ordering = ['-hits', 'term']
+
+
+@admin.register(Version)
+class VersionAdmin(EntityBaseAdmin):
+
+    list_display = ('title', 'date', 'date_till', 'status', 'slug', 'time_published')
+
+
+@admin.register(Person)
+class PersonAdmin(admin.ModelAdmin):
+
+    list_display = ('name', 'name_en', 'time_created', 'time_published')
+    search_fields = ['name', 'name_en', 'aka']
+    list_filter = ['status']
+    ordering = ['name']
+    raw_id_fields = ['user', 'last_editor']
+    readonly_fields = ['text', 'supporters_num']
+
+
+@admin.register(App)
+class AppAdmin(EntityBaseAdmin):
+
+    list_display = ('time_created', 'title', 'slug', 'time_published')
+    search_fields = ['title', 'slug']
+    list_filter = ['status']
+
+    actions = EntityBaseAdmin.actions + ['update_stats']
+
+    def update_stats(self, request: HttpRequest, queryset: QuerySet):
+
+        App.actualize_downloads(queryset)
+
+    update_stats.short_description = 'Обновить данные о загрузках'
diff --git a/pythonz/apps/apps.py b/pythonz/apps/apps.py
new file mode 100644
index 00000000..283267a0
--- /dev/null
+++ b/pythonz/apps/apps.py
@@ -0,0 +1,15 @@
+from django.apps import AppConfig
+
+
+class PythonzAppsConfig(AppConfig):
+    """Конфигурация прриложений pythonz."""
+
+    name: str = 'pythonz.apps'
+    verbose_name: str = 'Сущности pythonz'
+
+    def ready(self):
+        from .realms import get_realms  # noqa: PLC0415
+
+        for realm in get_realms().values():
+            # Привязываем область к моделям, она понадобится для вычисления URL.
+            realm.model.realm = realm
diff --git a/pythonz/apps/commands.py b/pythonz/apps/commands.py
new file mode 100644
index 00000000..f842885f
--- /dev/null
+++ b/pythonz/apps/commands.py
@@ -0,0 +1,61 @@
+from collections import defaultdict
+from datetime import timedelta
+
+from django.utils import timezone
+
+from .generics.models import RealmBaseModel
+from .models import ReferenceMissing
+from .realms import get_realms
+
+
+def publish_postponed():
+    """Публикует материалы, назначенные к отложенной публикации."""
+    status_postponed = RealmBaseModel.Status.POSTPONED
+    status_published = RealmBaseModel.Status.PUBLISHED
+
+    # В каждой области будем публиковать отложенные материалы,
+    # если данный автор не публиковался более узананного периода.
+    date_before = timezone.now() - timedelta(hours=22)
+
+    for realm in get_realms().values():
+        realm_model = realm.model
+        postponed_by_submitter = defaultdict(list)
+
+        qs = realm_model.objects.filter(status=status_postponed).order_by('time_created')
+
+        for item in qs:
+            submitter_id = getattr(item, 'submitter_id', None)
+
+            if submitter_id is None:
+                continue
+
+            postponed_by_submitter[submitter_id].append(item)
+
+        for submitter_id, items in postponed_by_submitter.items():
+
+            try:
+                latest = realm_model.objects.filter(
+                    status=status_published,
+                    submitter_id=submitter_id,
+                    time_published__isnull=False,
+                ).latest('time_published')
+
+            except realm_model.DoesNotExist:
+                latest = None
+
+            if not latest or latest.time_published < date_before:
+                # Пока публикуем только первый из назначенных к публикации материалов.
+                # В последующем возможно логика будет усложнена.
+                item = items[0]
+                item.mark_published()
+                item.save()
+
+
+def clean_missing_refs(min_hits: int = 4):
+    """Удаляет из БД записи о промахах справочника, получившиеся
+    менее заданного количества обращений.
+
+    :param min_hits:
+
+    """
+    ReferenceMissing.objects.filter(hits__lt=min_hits).delete()
diff --git a/apps/exceptions.py b/pythonz/apps/exceptions.py
similarity index 77%
rename from apps/exceptions.py
rename to pythonz/apps/exceptions.py
index 81b5fead..4f93c401 100644
--- a/apps/exceptions.py
+++ b/pythonz/apps/exceptions.py
@@ -2,8 +2,8 @@
 class PythonzException(Exception):
     """Базовое исключение проекта. Остальные должны наследоваться от него."""
 
-    def __init__(self, message=None, **kwargs):
-        super().__init__(message, **kwargs)
+    def __init__(self, message: str = None, **kwargs):
+        super().__init__(message)
         self.message = message
 
 
@@ -17,3 +17,5 @@ class RedirectRequired(PythonzException):
 
     """
 
+class LogicError(PythonzException):
+    """Логическая ошибка в приложении."""
diff --git a/apps/generics/__init__.py b/pythonz/apps/forms/__init__.py
similarity index 100%
rename from apps/generics/__init__.py
rename to pythonz/apps/forms/__init__.py
diff --git a/apps/forms/forms.py b/pythonz/apps/forms/forms.py
similarity index 57%
rename from apps/forms/forms.py
rename to pythonz/apps/forms/forms.py
index f1b9c7a7..fc33c700 100644
--- a/apps/forms/forms.py
+++ b/pythonz/apps/forms/forms.py
@@ -1,18 +1,22 @@
-from django.conf import settings
+
 from django import forms
+from django.conf import settings
 from django.contrib.contenttypes.models import ContentType
-from datetimewidget.widgets import DateTimeWidget
-from apps.exceptions import RemoteSourceError
-from apps.shortcuts import message_error
 
-from ..models import Book, Video, Event, Discussion, User, Article, Community, Reference
 from ..generics.forms import RealmEditBaseForm
-from .widgets import RstEditWidget, ReadOnlyWidget, PlaceWidget
+from ..generics.models import CommonEntityModel, RealmBaseModel
+from ..generics.realms import RealmBase
+from ..integration.videos import VideoBroker
+from ..models import App, Article, Book, Community, Discussion, Event, Reference, User, Version, Video
+from .widgets import RstEditWidget
 
 
 class DiscussionForm(RealmEditBaseForm):
 
-    class Meta:
+    hidden_fields = {'object_id', 'content_type'}
+
+    class Meta(RealmEditBaseForm.Meta):
+
         model = Discussion
         fields = (
             'title',
@@ -21,24 +25,27 @@ class Meta:
             'content_type',
         )
         labels = {'text_src': ''}
-        widgets = {
-            'object_id': forms.HiddenInput(),
-            'content_type': forms.HiddenInput(),
-        }
 
     @classmethod
-    def _get_realm_item(cls, realm, item_id):
-        """Вернёт объект из указанной области по иднетификтаору, либо None.
+    def _get_realm_item(
+            cls,
+            realm: type[RealmBase],
+            item_id: int
+    ) -> RealmBaseModel | CommonEntityModel | None:
+        """Вернёт объект из указанной области по идентификтаору, либо None.
+
+        :param realm:
+        :param item_id:
 
-        :param RealmBase realm:
-        :param int item_id:
-        :return:
         """
         item = None
+
         try:
             item = realm.model.objects.get(pk=item_id)
+
         except realm.model.DoesNotExist:
             pass
+
         return item
 
     def __init__(self, *args, **kwargs):
@@ -48,20 +55,18 @@ def __init__(self, *args, **kwargs):
             # Вызов со страницы сущности одной из областей.
             # Связываем сущность с обсуждением.
 
-            from ..realms import get_realm
+            from ..realms import get_realm  # noqa: PLC0415
 
-            realm = get_realm(data['related_item_realm'])
-            if realm is not None:
+            if realm := get_realm(data['related_item_realm']) is not None:
                 item_id = data['related_item_id']
-                item = self._get_realm_item(realm, item_id)
 
-                if item is not None:
+                if item := self._get_realm_item(realm, item_id) is not None:
                     data = dict(data)
 
                     data['object_id'] = item_id
                     data['content_type'] = ContentType.objects.get_for_model(item).id
 
-                    data['title'] = '%s про «%s»' % (kwargs['user'].get_display_name(), item.title)
+                    data['title'] = f"{kwargs['user'].get_display_name()} про «{item.title}»"
 
                     args = list(args)
                     args[0] = data
@@ -69,13 +74,39 @@ def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
 
+class VersionForm(RealmEditBaseForm):
+
+    class Composer(RealmEditBaseForm.Composer):
+
+        attrs = {
+            'text_src': {'rows': 25},
+        }
+
+    class Meta(RealmEditBaseForm.Meta):
+
+        model = Version
+        fields = (
+            'title',
+            'date',
+            'date_till',
+            'status',
+            'description',
+            'text_src',
+        )
+
+
 class ArticleForm(RealmEditBaseForm):
+
+    class Composer(RealmEditBaseForm.Composer):
+
+        attrs = {
+            'text_src': {'rows': 25},
+        }
     
-    class Meta:
+    class Meta(RealmEditBaseForm.Meta):
+
         model = Article
         fields = (
-            'location',
-            'url',
             'title',
             'description',
             'status',
@@ -90,44 +121,48 @@ class Meta:
             'text_src': RstEditWidget(attrs={'rows': 25}),
         }
 
-    def make_fields_optional(self, fields):
+    def set_fields_required(self, fields: list[str], *, required: bool = True):
 
         for field in fields:
-            self.fields[field].required = False
+            self.fields[field].required = required
 
     def full_clean(self):
 
         if self.data:
+
             try:
                 location = self.fields['location'].clean(self.data.get('location'))
-            except forms.ValidationError:
+
+            except (forms.ValidationError, KeyError):
                 pass
+
             else:
                 if location == Article.LOCATION_INTERNAL:
                     self.data['url'] = None
-                    self.make_fields_optional(['url'])
+                    self.set_fields_required(['url'], required=False)
 
                 elif location == Article.LOCATION_EXTERNAL:
-                    self.make_fields_optional(['url', 'title', 'description', 'text_src'])
+                    self.set_fields_required(['url'])
+                    self.set_fields_required(['title', 'description', 'text_src'], required=False)
 
         return super().full_clean()
 
-    def clean_url(self):
-        url = self.cleaned_data['url']
-        if not url:
-            url = None
-        return url
+    def clean_url(self) -> str | None:
+        return self.cleaned_data['url'].strip() or None
+
+    def save(self, *args, **kwargs):
+        url = self.cleaned_data.get('url')
 
-    def save(self, commit=True):
-        url = self.cleaned_data['url']
         if url:
             self.instance.update_data_from_url(url)
-        return super().save(commit)
+
+        return super().save(*args, **kwargs)
 
 
 class BookForm(RealmEditBaseForm):
 
-    class Meta:
+    class Meta(RealmEditBaseForm.Meta):
+
         model = Book
         fields = (
             'title',
@@ -142,26 +177,30 @@ class Meta:
         )
 
     @staticmethod
-    def clean_isbn_(isbn):
+    def clean_isbn_(isbn) -> str | None:
+        isbn = isbn or ''
         isbn = isbn.replace('-', '').strip()
-        length = len(isbn)
-        if length:
+
+        if length := len(isbn):
             if (length != 10 and length != 13) or not isbn.isdigit():
                 raise forms.ValidationError('Код ISBN должен содержать 10, либо 13 цифр.')
+
         else:
             isbn = None
+
         return isbn
 
-    def clean_isbn(self):
+    def clean_isbn(self) -> str | None:
         return self.clean_isbn_(self.cleaned_data['isbn'])
 
-    def clean_isbn_ebook(self):
+    def clean_isbn_ebook(self) -> str | None:
         return self.clean_isbn_(self.cleaned_data['isbn_ebook'])
 
 
 class VideoForm(RealmEditBaseForm):
 
-    class Meta:
+    class Meta(RealmEditBaseForm.Meta):
+
         model = Video
         fields = (
             'title',
@@ -173,16 +212,18 @@ class Meta:
             'year',
         )
         help_texts = {
-            'url': 'URL страницы с видео. Умеем работать с %s' % ', '.join(Video.get_supported_hostings()),
+            'url': f"URL страницы с видео. Умеем работать с {', '.join(Video.get_supported_hostings())}",
         }
 
-    def clean_url(self):
+    def clean_url(self) -> str:
         url = self.cleaned_data['url']
-        if not Video.get_hosting_for_url(url):
+
+        if not VideoBroker.get_hosting_for_url(url):
             raise forms.ValidationError(
                 'К сожалению, мы не умеем работать с этим видео-хостингом. '
-                'Если знаете, как это исправить, приходите <a href="%s">сюда</a>.' % settings.PROJECT_SOURCE_URL
+                f'Если знаете, как это исправить, приходите <a href="{settings.PROJECT_SOURCE_URL}">сюда</a>.'
             )
+
         return url
 
     def save(self, *args, **kwargs):
@@ -190,15 +231,10 @@ def save(self, *args, **kwargs):
         return super().save(*args, **kwargs)
 
 
-CALENDAR_OPTIONS = {
-    'todayHighlight': True,
-    'weekStart': 1
-}
-
-
 class EventForm(RealmEditBaseForm):
 
-    class Meta:
+    class Meta(RealmEditBaseForm.Meta):
+
         model = Event
         fields = (
             'title',
@@ -214,60 +250,60 @@ class Meta:
             'place',
             'text_src',
         )
-        widgets = {
-            'place': PlaceWidget(),
-            'time_start': DateTimeWidget(usel10n=True, options=CALENDAR_OPTIONS, bootstrap_version=3),
-            'time_finish': DateTimeWidget(usel10n=True, options=CALENDAR_OPTIONS, bootstrap_version=3),
-        }
 
 
 class UserForm(RealmEditBaseForm):
 
-    class Meta:
+    readonly_fields = {'timezone'}
+
+    class Meta(RealmEditBaseForm.Meta):
+
         model = User
         fields = (
             'first_name',
             'last_name',
-            'url',
-            'email_public',
+            'profile_public',
             'place',
             'timezone',
-            'comments_enabled',
-            'disqus_shortname',
-            'disqus_category_id',
+            'url',
+            'email_public',
         )
-        widgets = {
-            'place': PlaceWidget(),
-            'timezone': ReadOnlyWidget(),
-        }
 
-    def save(self, commit=True):
+    def save(self, *args, **kwargs):
+
         if 'place' in self.changed_data:
             self.instance.set_timezone_from_place()
-        super().save(commit=commit)
+
+        super().save(*args, **kwargs)
 
 
 class CommunityForm(RealmEditBaseForm):
 
-    class Meta:
+    class Meta(RealmEditBaseForm.Meta):
+
         model = Community
         fields = (
             'title',
             'url',
+            'cover',
             'description',
             'text_src',
             'contacts',
             'place',
             'year',
         )
-        widgets = {
-            'place': PlaceWidget(),
-        }
 
 
 class ReferenceForm(RealmEditBaseForm):
 
-    class Meta:
+    class Composer(RealmEditBaseForm.Composer):
+
+        attrs = {
+            'func_params': {'rows': 4},
+        }
+
+    class Meta(RealmEditBaseForm.Meta):
+
         model = Reference
         fields = (
             'status',
@@ -279,9 +315,27 @@ class Meta:
             'func_params',
             'func_result',
             'text_src',
+            'pep',
             'version_added',
             'version_deprecated',
+            'search_terms',
         )
-        widgets = {
-            'func_params': forms.Textarea(attrs={'rows': 4}),
-        }
+
+
+class AppForm(RealmEditBaseForm):
+
+    class Meta(RealmEditBaseForm.Meta):
+
+        model = App
+        fields = (
+            'title',
+            'slug',
+            'description',
+            'repo',
+            'status',
+            'author',
+            'text_src',
+        )
+
+    def clean_slug(self) -> str | None:
+        return self.cleaned_data.get('slug', '').strip() or None
diff --git a/apps/forms/widgets.py b/pythonz/apps/forms/widgets.py
similarity index 56%
rename from apps/forms/widgets.py
rename to pythonz/apps/forms/widgets.py
index 69991090..e394976a 100644
--- a/apps/forms/widgets.py
+++ b/pythonz/apps/forms/widgets.py
@@ -1,44 +1,38 @@
+
 from django import forms
-from django.forms.widgets import TextInput
 from django.forms.utils import flatatt
-from django.utils.html import format_html, force_text
+from django.forms.widgets import TextInput
 from django.template import loader
+from django.utils.encoding import force_str
+from django.utils.html import format_html
 
 from ..models import Place
 
 
-class ReadOnlyWidget(forms.Widget):
-    """Представляет поле только для чтения."""
-
-    def value_from_datadict(self, data, files, name):
-        return getattr(self.model, self.field_name)  # Чтобы поле не считалось изменённым.
-
-    def render(self, name, value, attrs=None):
-        if hasattr(self, 'initial'):
-            value = self.initial
-        return '%s' % (value or '')
+class PlaceWidget(TextInput):
+    """Представляет поле для редактирования места."""
 
+    _place_cached: bool = False
+    _place_cache: Place = None
 
-class PlaceWidget(TextInput):
-    """Представляет поле для редактирования местом."""
+    def render(self, name, value, attrs=None, renderer=None) -> str:
 
-    _place_cached = False
-    _place_cache = None
+        model = self.bound_field.form.instance
+        if value and model:
+            value = model.place.geo_title  # Выводим полное название места.
 
-    def render(self, name, value, attrs=None):
-        if value:
-            value = self.model.place.geo_title  # Выводим полное название места.
         return super().render(name, value, attrs=attrs)
 
-    def value_from_datadict(self, data, files, name):
+    def value_from_datadict(self, data, files, name) -> str | int:
         """Здесь получаем из строки наименования места объект места.
 
         :param data:
         :param files:
         :param name:
-        :return:
+
         """
         place_name = data.get(name, None)
+
         if not place_name:
             return ''
 
@@ -48,6 +42,7 @@ def value_from_datadict(self, data, files, name):
 
         if self._place_cache is None:
             return ''
+
         return self._place_cache.id
 
 
@@ -55,17 +50,21 @@ class RstEditWidget(forms.Widget):
     """Реализует виджет для редактирования и предпросмотра текста в rst-подобном формате."""
 
     def __init__(self, attrs=None):
+
         default_attrs = {'cols': '40', 'rows': '10'}
+
         if attrs:
             default_attrs.update(attrs)
+
         super().__init__(default_attrs)
 
-    def render(self, name, value, attrs=None):
+    def render(self, name, value, attrs=None, renderer=None) -> str:
 
         if value is None:
             value = ''
 
-        final_attrs = self.build_attrs(attrs, name=name)
+        final_attrs = self.build_attrs(attrs, {'name': name})
+
+        html = loader.render_to_string('sub/rst_hints.html')
 
-        html = loader.render_to_string('sub_rst_hints.html')
-        return format_html(html, flatatt(final_attrs), force_text(value))
+        return format_html(html, flatatt(final_attrs), force_str(value))
diff --git a/apps/migrations/__init__.py b/pythonz/apps/generics/__init__.py
similarity index 100%
rename from apps/migrations/__init__.py
rename to pythonz/apps/generics/__init__.py
diff --git a/pythonz/apps/generics/forms.py b/pythonz/apps/generics/forms.py
new file mode 100644
index 00000000..2bb27cee
--- /dev/null
+++ b/pythonz/apps/generics/forms.py
@@ -0,0 +1,64 @@
+from django import forms
+from django.http import HttpRequest
+from django.utils import timezone
+from siteforms.composers.bootstrap4 import SUBMIT, Bootstrap4
+from siteforms.toolbox import ModelForm
+
+from ..forms.widgets import PlaceWidget, RstEditWidget
+from ..models import Article, User
+
+
+class CommonEntityForm(ModelForm):
+    """Базовый класс для форм создания/редактирования сущностей."""
+
+    pythonz_form = forms.CharField(widget=forms.HiddenInput(), initial='1')
+
+    def __init__(self, *args, request: HttpRequest = None, src: str = None, id: str = '', **kwargs):
+        super().__init__(*args, request=request, src=src, id=id, **kwargs)
+
+    def clean_year(self) -> str:
+        year = (self.cleaned_data['year'] or '').strip()
+
+        if year:
+            if len(year) != 4 or not year.isdigit() or not (1900 < int(year) <= timezone.now().year):
+                raise forms.ValidationError('Такой год не похож на правду.')
+
+        return year
+
+    class Composer(Bootstrap4):
+
+        opt_submit = 'Сохранить'
+
+        attrs = {
+            SUBMIT: {'class': 'btn btn-block btn-success'},
+        }
+
+
+class RealmEditBaseForm(CommonEntityForm):
+    """Базовый класс для форм создания/редактирования сущностей, принадлежащим областям."""
+
+    def __init__(self, *args, user: User | None = None, **kwargs):
+
+        super().__init__(*args, **kwargs)
+
+        if self._meta.model is not Article:  # Запрещаем управлять статусом везде, кроме Статей.
+
+            if user is not None:
+                if not user.is_superuser and not user.is_staff:
+                    try:
+                        del self.fields['status']
+
+                    except KeyError:  # Нет такого поля на форме.
+                        pass
+
+    class Composer(CommonEntityForm.Composer):
+
+        attrs = {
+            'description': {'rows': 3},
+        }
+
+    class Meta:
+        widgets = {
+            'text_src': RstEditWidget(attrs={'rows': 12}),
+            'place': PlaceWidget(),
+        }
diff --git a/pythonz/apps/generics/models.py b/pythonz/apps/generics/models.py
new file mode 100644
index 00000000..2d9d6882
--- /dev/null
+++ b/pythonz/apps/generics/models.py
@@ -0,0 +1,763 @@
+import os
+from contextlib import suppress
+from copy import copy
+from datetime import datetime
+from enum import unique
+from typing import TYPE_CHECKING, Optional
+from uuid import uuid4
+
+from django.conf import settings
+from django.core.cache import cache
+from django.db import models
+from django.db.models import Model, QuerySet
+from django.urls import reverse
+from django.utils import timezone
+from django.utils.functional import cached_property
+from django.utils.html import urlize
+from django.utils.text import Truncator
+from etc.models import InheritedModelMetaclass
+from siteflags.models import ModelWithFlag
+from slugify import CYRILLIC, Slugify
+
+from ..integration.base import RemoteSource
+from ..integration.utils import get_image_from_url
+from ..signals import sig_entity_new, sig_entity_published, sig_support_changed
+from ..utils import UTM, BasicTypograph, TextCompiler
+
+USER_MODEL: str = settings.AUTH_USER_MODEL
+SLUGIFIER = Slugify(pretranslate=CYRILLIC, to_lower=True, safe_chars='-._', max_length=200)
+
+
+if TYPE_CHECKING:
+    from ..models import Category, User
+    from .forms import CommonEntityForm
+    from .realms import RealmBase
+
+
+class ModelWithAuthorAndTranslator(models.Model):
+    """Класс-примесь для моделей, требующих поля с автором и переводчиком."""
+
+    _hint_userlink: str = (
+        '<br><b>[u:<ид>:<имя>]</b> формирует ссылку на профиль пользователя pythonz. Например: [u:1:идле].')
+
+    author = models.CharField(
+        'Автор', max_length=255,
+        help_text=f'Предпочтительно имя и фамилия. Можно указать несколько, разделяя запятыми.{_hint_userlink}')
+
+    translator = models.CharField(
+        'Перевод', max_length=255, blank=True, null=True,
+        help_text=('Укажите переводчиков, если материал переведён на русский с другого языка. '
+                   f'Если переводчик неизвестен, можно указать главного редактора.{_hint_userlink}'))
+
+    class Meta:
+        abstract = True
+
+
+class ModelWithCompiledText(models.Model):
+    """Класс-примесь для моделей, требующих поля, содержащие тексты в rst."""
+
+    text = models.TextField('Текст')
+    text_src = models.TextField('Исходный текст')
+
+    class Meta:
+        abstract = True
+
+    @classmethod
+    def compile_text(cls, text: str) -> str:
+        """Преобразует rst-подобное форматирование в html.
+
+        :param text:
+
+        """
+        return TextCompiler.compile(text)
+
+    def save(self, *args, **kwargs):
+        self.text = self.compile_text(self.text_src)
+        super().save(*args, **kwargs)
+
+
+def get_upload_to(instance: Model, filename: str) -> str:
+    """Вычисляет директорию, в которую будет загружена обложка сущности.
+
+    :param instance:
+    :param filename:
+
+    """
+    category = instance.COVER_UPLOAD_TO
+
+    return os.path.join('img', category, 'orig', f'{uuid4()}{os.path.splitext(filename)[-1]}')  # noqa PTH122,PTH118
+
+
+class CommonEntityModel(models.Model):
+    """Базовый класс для моделей сущностей."""
+
+    COVER_UPLOAD_TO = 'common'  # Имя категории (оно же имя директории) для хранения загруженных обложек.
+
+    title = models.CharField('Название', max_length=255)
+    slug = models.CharField('Краткое имя для URL', max_length=200, null=True, blank=True, unique=True)
+    description = models.TextField('Описание', blank=False, null=False)
+    cover = models.ImageField('Обложка', max_length=255, upload_to=get_upload_to, null=True, blank=True)
+    year = models.CharField('Год', max_length=10, null=True, blank=True)
+
+    linked = models.ManyToManyField(
+        'self', verbose_name='Связанные объекты', blank=True,
+        help_text='Выберите объекты, имеющие отношение к данному.')
+
+    class Meta:
+        abstract = True
+
+    slug_pick: bool = False
+    """Дозволено ли обращение к записям по их краткому имени."""
+
+    slug_auto: bool = False
+    """Следует ли автоматически генерировать краткое имя в транслите для URL.
+    Предполагается, что эта опция также включает машинерию, позволяющую адресовать
+    объект по его краткому имени.
+
+    """
+
+    allow_linked: bool = True
+    """Разрешена ли привязка элементов друг к другу."""
+
+    def generate_slug(self) -> str:
+        """Генерирует краткое имя для URL и заполняет им атрибут slug."""
+        return SLUGIFIER(self.title)
+
+    def validate_unique(self, exclude: set[str] = None):
+
+        # Перекрываем для правильной обработки спарки unique=True и null=True
+        # в поле краткого имени URL.
+
+        if not exclude:
+            exclude = set()
+
+        if not self.slug:
+            exclude.update('slug')
+
+        return super().validate_unique(exclude)
+
+    def save(self, *args, **kwargs):
+        """Перекрыт, чтобы привести заголовок в порядок.
+
+        :param args:
+        :param kwargs:
+
+        """
+        self.title = BasicTypograph.apply_to(self.title)
+        self.description = BasicTypograph.apply_to(self.description)
+
+        if not self.id and self.slug_auto:
+            self.slug = self.generate_slug()
+
+        # Требуется для правильной обработки спарки unique=True и null=True
+        if not self.slug:
+            self.slug = None
+
+        super().save(*args, **kwargs)
+
+    def get_description(self) -> str:
+        """Возвращает вычисляемое описание объекта.
+        Обычно должен использоваться вместо обращения к атрибуту description,
+        которого может не сущестовать у модели.
+
+        """
+        return self.description
+
+    def update_cover_from_url(self, url: str):
+        """Забирает обложку с указанного URL.
+
+        :param url:
+
+        """
+        if '.svg' in url:
+            # todo PIL не умеет работать с вектором. Не будем пытаться.
+            # Наивно орентируемся на наличие расширения в целях экономии ресурсов.
+            return
+
+        img = get_image_from_url(url)
+
+        if img is not None:
+            self.cover.save(img.name, img, save=False)
+
+    def get_linked(self) -> QuerySet:
+        """Возвращает связанные объекты."""
+
+        if self.allow_linked:
+            return self.linked.all()
+
+        return QuerySet(self.__class__).none()
+
+    @classmethod
+    def get_paginator_objects(cls) -> QuerySet:
+        """Возвращает выборку объектов для постраничной навигации.
+        Должен быть реализован наследниками.
+
+        """
+        raise NotImplementedError  # pragma: nocover
+
+    @cached_property
+    def get_short_description(self) -> str:
+        """Возвращает усечённое описание сущности."""
+        return Truncator(self.description).words(25)
+
+    def __str__(self) -> str:
+        return self.title
+
+
+class RealmFilteredQuerySet(models.QuerySet):
+    """Реализует поддержку запросов с фильтрами для обсластей."""
+
+    def published(self) -> QuerySet:
+        """Возвращает только опубликованные сущности."""
+        return self.filter(status=RealmBaseModel.Status.PUBLISHED)
+
+    def postponed(self) -> QuerySet:
+        """Возвращает только сущности, назначенные к отложенной публикации."""
+        return self.filter(status=RealmBaseModel.Status.POSTPONED)
+
+
+class RealmBaseModel(ModelWithFlag):
+    """Базовый класс для моделей, использующихся в областях (realms) сайта."""
+
+    @unique
+    class Status(models.IntegerChoices):
+
+        DRAFT = 1, 'Черновик'
+        PUBLISHED = 2, 'Опубликован'
+        DELETED = 3, 'Удален'
+        ARCHIVED = 4, 'В архиве'
+        POSTPONED = 5, 'К отложенной публикации'
+
+    FLAG_STATUS_BOOKMARK = 1
+    """Идентификатор флагов-закладок."""
+
+    FLAG_STATUS_SUPPORT = 2
+    """Идентификатор флагов-голосов-поддержки."""
+
+    objects = RealmFilteredQuerySet().as_manager()
+
+    time_created = models.DateTimeField('Дата создания', auto_now_add=True, editable=False)
+    time_published = models.DateTimeField('Дата публикации', null=True, editable=False)
+    time_modified = models.DateTimeField('Дата редактирования', null=True, editable=False)
+    status = models.PositiveIntegerField('Статус', choices=Status.choices, default=Status.DRAFT)
+    supporters_num = models.PositiveIntegerField('Поддержка', default=0)
+
+    submitter = models.ForeignKey(
+        USER_MODEL, verbose_name='Добавил', related_name='%(class)s_submitters', default=settings.ROBOT_USER_ID,
+        on_delete=models.SET_DEFAULT)
+    last_editor = models.ForeignKey(
+        USER_MODEL, verbose_name='Редактор', related_name='%(class)s_editors', null=True, blank=True,
+        help_text='Пользователь, последним отредактировавший объект.', default=settings.ROBOT_USER_ID, 
+        on_delete=models.SET_DEFAULT,)
+
+    class Meta:
+        abstract = True
+
+    realm: 'RealmBase' = None
+    """Во время исполнения здесь будет объект области (Realm)."""
+
+    edit_form: 'CommonEntityForm' = None
+    """Во время исполнения здесь будет форма редактирования."""
+
+    items_per_page: int = 10
+    """Количество объектов для вывода на страницах списков."""
+
+    notify_on_publish: bool = True
+    """Следует ли оповещать внешние системы о публикации сущности."""
+
+    allow_edit_anybody: bool = True
+    """Дозволено редактирования любому пользователю (не автору)."""
+
+    allow_edit_published: bool = False
+    """Дозволено редактирования опубликованных материалов."""
+
+    paginator_order: str = '-time_created'
+    """Поле, по которому следует сортировать объекты
+    при обращении к постраничному списку.
+
+    """
+
+    paginator_defer: list[str] = []
+    """Тяжелые поля, содержимое которых не важно для списков."""
+
+    paginator_related: list[str] = ['submitter']
+    """Поле, из которого следует тянуть данные одним запросом
+    при обращении к постраничному списку объектов.
+
+    """
+
+    details_related: list[str] = ['submitter', 'last_editor']
+    """Поле, из которого следует тянуть данные одним запросом
+    при обращении странице с детальной информацией по объекту.
+
+    """
+
+    @classmethod
+    def make_html(cls, text: str) -> str:
+        """Применяет базовую html-разметку к указанному тексту.
+
+        :param text:
+
+        """
+        return urlize(text.replace('\n', '<br />'), nofollow=True)
+
+    def mark_published(self):
+        """Помечает материал опубликованным."""
+        self.status = self.Status.PUBLISHED
+        self._consider_published = True
+
+    def mark_unmodified(self):
+        """Используется для того, чтобы при следующем вызове save()
+        объекта он не считался изменённым.
+
+        """
+        self._consider_modified = False
+
+    @property
+    def turbo_content(self) -> str:
+        return ''
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+        self._consider_published = False
+        """Указывает на то, следует ли считать сущность опубликованной."""
+
+        self._consider_modified = True
+        """Указывает на то, нужно ли при сохранении устанавливать время изменения"""
+
+        self._status_backup = self.status
+
+    def on_publish(self):
+        """Вызывается при смене стутуса на «Опубликовано»."""
+
+    def save(self, *args, **kwargs):
+        """Перекрыт, чтобы можно было отследить флаг модифицированности объекта
+        и выставить время модификации соответствующим образом.
+
+        :param args:
+
+        :param kwargs: Среди прочего, поддерживаются:
+
+            notify_published - флаг, указывающий на то, требуется ли отослать
+                оповещения о публикации сущности.
+
+            notify_new - флаг, указывающий на то, требуется ли отослать
+                оповещения о создании сущности.
+        """
+        initial_pk = self.pk
+        notify_published = kwargs.pop('notify_published', None)
+        notify_new = kwargs.pop('notify_new', True)
+
+        now = timezone.now()
+
+        if (status_changed := self._status_backup != self.status) or self._consider_published:
+
+            if status_changed:
+                # Если сохраняем с переходом статуса, наивно полагаем объект немодифицированным.
+                self._consider_modified = False
+
+                if self.is_published:
+                    self.on_publish()
+
+            if self.is_published:
+                self.time_published = now
+                self._consider_published = False
+
+                if notify_published is None:
+                    notify_published = True
+
+        if self._consider_modified:
+            self.time_modified = now
+
+        else:
+            self._consider_modified = True
+
+        super().save(*args, **kwargs)
+
+        with suppress(AttributeError):  # Пропускаем модели, в которых нет нужных атрибутов.
+
+            if notify_new and (not initial_pk and self.pk):
+                sig_entity_new.send(self.__class__, entity=self)
+
+        with suppress(AttributeError):  # Пропускаем модели, в которых нет нужных атрибутов.
+            notify_published and sig_entity_published.send(self.__class__, entity=self)
+
+    @classmethod
+    def find(cls, *search_terms: str) -> QuerySet:
+        """Ищет указанный текст в данных модели. Возвращает QuerySet.
+
+        :param search_terms: Строки для поиска.
+
+        """
+        raise NotImplementedError  # pragma: nocover
+
+    @classmethod
+    def get_actual(cls, **kwargs) -> QuerySet:
+        """Возвращает выборку актуальных объектов."""
+        return cls.objects.published().order_by('-time_published').all()
+
+    @classmethod
+    def get_featured(
+        cls,
+        *,
+        candidate: 'RealmBaseModel',
+        dt_stale: datetime
+    ) -> Optional['RealmBaseModel']:
+        """Возвращает объект «подсвеченный» (особо выделенный на главной)
+        объект, либо None.
+
+        :param candidate: Ранее выбранный кандидат на «подсвеченность».
+
+        :param dt_stale: Дата, начиная с которой следует считать материал устаревшим.
+
+        """
+        if not candidate:
+            return candidate
+
+        featured = candidate
+
+        if (candidate.time_modified or candidate.time_created) < dt_stale:
+            # Объект устарел, покажем что-нибудь случайное.
+            # ? ведёт себя сносно, пока таблица влезает в память.
+            featured = cls.get_actual().filter(id__lt=candidate.id).order_by('?').first() or candidate
+
+        return featured
+
+    @classmethod
+    def get_paginator_objects(cls) -> QuerySet:
+        """Возвращает выборку для постраничной навигации."""
+
+        qs = cls.objects.published()
+
+        related = cls.paginator_related
+        if related:
+            qs = qs.select_related(*related)
+
+        defer = cls.paginator_defer
+        if defer:
+            qs = qs.defer(*defer)
+
+        qs = qs.order_by(cls.paginator_order)
+
+        return qs
+
+    @classmethod
+    def cache_get_key_most_voted_objects(cls, category: 'Category' = None, class_name: str = None) -> str:
+        """Возвращает ключ кеша, содержащего наиболее популярные материалы раздела.
+
+        :param category:
+        :param class_name:
+
+        """
+        if class_name is None:
+            class_name = cls.__name__
+
+        return f'most_voted|{class_name}|{category}'
+
+    @classmethod
+    def get_most_voted_objects(cls, category: 'Category' = None, base_query: QuerySet = None) -> QuerySet:
+        """Возвращает наиболее популярные материалы раздела (и, опционально, категории в нём).
+
+        :param category:
+        :param base_query:
+
+        """
+        cache_key = cls.cache_get_key_most_voted_objects(category=category)
+        objects = cache.get(cache_key)
+
+        if objects is None:
+
+            if base_query is None:
+                base_query = cls.objects.published()
+
+            query = base_query.filter(supporters_num__gt=0)
+
+            if cls.paginator_related:
+                query = query.select_related(*cls.paginator_related)
+
+            query = query.order_by('-supporters_num')
+            objects = query.all()[:3]
+
+            cache.set(cache_key, objects, 86400)
+
+        return objects
+
+    @classmethod
+    def cache_delete_most_voted_objects(cls, **kwargs):
+        """Очищает кеш наиболее популярных материлов раздела.
+
+        :param kwargs:
+
+        """
+        # TODO Не инвалидирует кеш в категориях раздела. При случае решить, а нужно ли вообще.
+        cache.delete(cls.cache_get_key_most_voted_objects(class_name=kwargs['sender']))
+
+    @property
+    def is_draft(self) -> bool:
+        """Возвращает булево указывающее на то, является ли сущность черновиком."""
+        return self.status == self.Status.DRAFT
+
+    @property
+    def is_deleted(self) -> bool:
+        """Возвращает булево указывающее на то, помечена ли сущность удаленной."""
+        return self.status == self.Status.DELETED
+
+    @property
+    def is_published(self) -> bool:
+        """Возвращает булево указывающее на то, опубликована ли сущность."""
+        return self.status == self.Status.PUBLISHED
+
+    def is_supported_by(self, user: 'User') -> bool:
+        """Возвращает указание на то, поддерживает ли данный пользователь данную сущность.
+
+        :param user:
+
+        """
+        return self.is_flagged(user, status=self.FLAG_STATUS_SUPPORT)
+
+    @classmethod
+    def get_category_objects_base_query(cls, category: 'Category') -> QuerySet:
+        """Возвращает базовый QuerySet выборки объектов в указанной категории.
+
+        :param category:
+
+        """
+        return cls.get_from_category_qs(  # ModelWithCategory
+            category
+        ).filter(status=RealmBaseModel.Status.PUBLISHED).select_related('submitter')
+
+    @classmethod
+    def get_most_voted_objects_in_category(cls, category: 'Category') -> QuerySet:
+        """Возвращает наиболее популярные объекты из указанной категории.
+
+        :param category:
+
+        """
+        return cls.get_most_voted_objects(category=category, base_query=cls.get_category_objects_base_query(category))
+
+    @classmethod
+    def get_objects_in_category(cls, category: 'Category') -> QuerySet:
+        """Возвращает объекты из указанной категории.
+
+        :param category:
+
+        """
+        return cls.get_category_objects_base_query(category).order_by('-time_published')
+
+    def set_support(self, user: 'User'):
+        """Устанавливает флаг поддержки данным пользователем данной сущности.
+
+        :param user:
+
+        """
+        self.supporters_num += 1
+        self.set_flag(user, status=self.FLAG_STATUS_SUPPORT)
+        self.mark_unmodified()
+        self.save()
+
+        sig_support_changed.send(self.__class__.__name__)
+
+    def remove_support(self, user: 'User'):
+        """Убирает флаг поддержки данным пользователем данной сущности.
+
+        :param user:
+
+        """
+        self.supporters_num -= 1
+        self.remove_flag(user, status=self.FLAG_STATUS_SUPPORT)
+        self.mark_unmodified()
+        self.save()
+
+        sig_support_changed.send(self.__class__.__name__)
+
+    def get_suppport_for_objects(self, objects_list: QuerySet, user: 'User') -> dict:
+        """Возвращает данные о поддержке пользователем(ями) указанного набора сущностей.
+
+        :param objects_list:
+        :param user:
+
+        """
+        return self.get_flags_for_objects(objects_list, user=user)
+
+    def is_bookmarked_by(self, user: 'User') -> bool:
+        """Возвращает указание на то, добавил ли данный пользователь данную сущность в избранное.
+
+        :param user:
+
+        """
+        return self.is_flagged(user, status=self.FLAG_STATUS_BOOKMARK)
+
+    def set_bookmark(self, user: 'User'):
+        """Добавляет данную сущность в избранные для данного пользователя.
+
+        :param user:
+
+        """
+        self.set_flag(user, status=self.FLAG_STATUS_BOOKMARK)
+
+    def remove_bookmark(self, user: 'User'):
+        """Убирает данную сущность из избранного данного пользователя.
+
+        :param user:
+
+        """
+        self.remove_flag(user, status=self.FLAG_STATUS_BOOKMARK)
+
+    @classmethod
+    def get_verbose_name(cls) -> str:
+        """Возвращает человекоудобное название типа объекта в ед. числе."""
+        return cls._meta.verbose_name
+
+    @classmethod
+    def get_verbose_name_plural(cls) -> str:
+        """Возвращает человекоудобное название типа объекта во мн. числе."""
+        return cls._meta.verbose_name_plural
+
+    def was_edited(self) -> bool:
+        """Возвращает флаг, указывающий на то, был ли объект отредактирован
+        (различаются ли даты создания и редактирования).
+
+        """
+
+        def format_date(date: datetime):
+            return date.strftime('%Y%m%d%H%i')
+
+        return self.time_modified and format_date(self.time_modified) != format_date(self.time_created)
+
+    def get_absolute_url(self, *, with_prefix: bool = False, utm_source: str = None) -> str:
+        """Возвращает URL страницы с детальной информацией об объекте.
+
+        :param with_prefix: Флаг. Следует ли добавлять название хоста к URL.
+
+        :param utm_source: Строка для создания UTM-метки (Urchin Tracking Module).
+            Используются для обозначения источников переходов по URL при сборе статистики посещений.
+
+        """
+        details_urlname = self.realm.get_details_urlname()
+
+        id_attr = getattr(self, 'slug', None)
+
+        if id_attr:
+            details_urlname += '_slug'
+
+        else:
+            id_attr = self.id
+
+        url = reverse(details_urlname, args=[str(id_attr)])
+
+        if with_prefix:
+            url = f'{settings.SITE_URL}{url}'
+
+        if utm_source is not None:
+            url = UTM.add_to_internal_url(url, utm_source)
+
+        return url
+
+    @property
+    def absolute_url_prefixed(self) -> str:
+        return self.get_absolute_url(with_prefix=True)
+
+    @classmethod
+    def get_category_absolute_url(cls, category: 'Category') -> str:
+        """Возвращает URL страницы с разбивкой по данной категории.
+
+        :param category:
+
+        """
+        tmp, realm_name_plural = cls.realm.get_names()
+
+        return reverse(f'{realm_name_plural}:tags', args=[str(category.id)])
+
+    def get_display_name(self) -> str:
+        """Имя для отображения в интерфейсе."""
+        return self.__str__()
+
+
+class WithRemoteSourceMeta(InheritedModelMetaclass):
+
+    def __new__(cls, name, bases, attrs, **kwargs):
+        source_group = attrs.get('source_group')
+
+        if source_group:
+            # Прописываем choices для источников.
+            src_alias = copy(bases[-1].src_alias.field)
+            src_alias.choices = source_group.get_enum().choices
+            attrs['src_alias'] = src_alias
+
+        cls_new = super().__new__(cls, name, bases, attrs, **kwargs)
+
+        if source_group:
+            # Прописываем уникальность.
+            cls_new._meta.unique_together = (('src_alias', 'src_id'),)
+
+        return cls_new
+
+
+class WithRemoteSource(RealmBaseModel, metaclass=WithRemoteSourceMeta):
+    """Примесь для моделей, умеющих хранить данные, полученные из внешних источников."""
+
+    source_group: type[RemoteSource] = None
+
+    # Ограничения (choices) выбора источников проставляются в метаклассе.
+    src_alias = models.CharField('Идентификатор источника', max_length=20, null=True, blank=True)
+    src_id = models.CharField('ID в источнике', max_length=50, null=True, blank=True)
+
+    url = models.URLField('Страница в сети', null=True, blank=True)
+
+    class Meta:
+
+        abstract = True
+        unique_together = ('src_alias', 'src_id')  # Не наследуется https://code.djangoproject.com/ticket/16732
+
+    def extract_page_info(self):
+        """Возвращает информацию о странице, расположенной
+        по указанному в объекте URL, либо None.
+
+        """
+        source = self.source_group.get_source(self.src_alias)
+        info = source.get_page_info(self.url)
+        return info
+
+    @classmethod
+    def spawn_object(cls, item_data: dict, *, source: RemoteSource):
+        """Конструирует объект модели, наполняя данными из словаря.
+
+        :param item_data:
+        :param source: Объект источника.
+
+        """
+        obj = cls(**item_data)
+        obj.src_alias = source.alias
+        obj.status = obj._status_backup = cls.Status.PUBLISHED
+
+        return obj
+
+    @classmethod
+    def fetch_items(cls):
+        """Добывает данные из источника и складирует их."""
+
+        for source in cls.source_group.get_sources().values():
+
+            source_obj = source()
+            items = source_obj.fetch_list()
+
+            if not items:
+                return
+
+            seen = set(cls.objects.filter(
+
+                src_alias=source.alias,
+                src_id__in=[item_data['src_id'] for item_data in items],
+
+            ).values_list('src_id', flat=True))
+
+            for item_data in items:
+
+                if item_data['src_id'] in seen:
+                    continue
+
+                obj = cls.spawn_object(item_data, source=source_obj)
+
+                # По одному, чтобы отработала логика save().
+                obj.save(notify_published=False)
diff --git a/pythonz/apps/generics/realms.py b/pythonz/apps/generics/realms.py
new file mode 100644
index 00000000..c30166d1
--- /dev/null
+++ b/pythonz/apps/generics/realms.py
@@ -0,0 +1,398 @@
+from collections.abc import Callable
+
+from django.contrib.sitemaps import GenericSitemap
+from django.db.models import QuerySet
+from django.urls import re_path, reverse
+from sitetree.models import TreeItemBase
+from sitetree.utils import item
+from yaturbo import YandexTurboFeed
+
+from ..integration.utils import get_thumb_url
+from ..utils import get_logger
+from .forms import CommonEntityForm
+from .views import AddView, DetailsView, EditView, ListingView, RealmView, TagsView
+
+if False:  # pragma: nocover
+    from .models import RealmBaseModel  # noqa
+
+
+LOGGER = get_logger('realms')
+SYNDICATION_URL_MARKER = 'feed'
+SYNDICATION_ITEMS_LIMIT = 15
+
+
+class RealmBase:
+    """Базовый класс области (книга, видео и пр)"""
+
+    model: type['RealmBaseModel'] = None
+    """Класс модели, связанный с областью"""
+
+    form: type[CommonEntityForm] = None
+    """Форма, связанная с областью."""
+
+    icon: str = 'icon'
+    """Иконка, символизирующая область."""
+
+    name: str = None
+    """Имя области. Ед.ч."""
+    name_plural: str = None
+    """Имя области. Мн. ч."""
+
+    allowed_views: tuple[str, ...] = ('listing', 'details', 'tags', 'add', 'edit')
+    """Имена доступных представлений."""
+
+    show_on_main: bool = True
+    """Следует ли отображать на главной странице."""
+    show_on_top: bool = True
+    """Следует ли отображать в верхнем меню."""
+
+    sitetree_items: TreeItemBase = None
+    """Кеш элементов древа сайта для данной области."""
+
+    ready_for_digest: bool = True
+    """Указывает на готовность области попасть в еженедельный сводки."""
+
+    syndication_enabled: bool = True
+    """Указание на то, доступна ли синдикация."""
+    syndication_url: str = None
+    """URL синдикации."""
+    syndication_feed: YandexTurboFeed = None
+    """Кеш синдикации."""
+
+    sitemap_enabled: bool = True
+    """Указание на то, включена ли для области карта сайта."""
+    sitemap: GenericSitemap = None
+    """Кеш карты сайта для данной области."""
+    sitemap_date_field: str = 'time_modified'
+    """Поле даты в моделях области (для карты сайта)."""
+    sitemap_changefreq: str = 'daily'
+    """Предполагаемая периодичность обновления данных (для карты сайта)."""
+
+    txt_form_add: str = 'Добавить элемент'
+    txt_form_edit: str = 'Редактировать элемент'
+
+    # Представление списка.
+    view_listing = None
+    view_listing_base_class: type[RealmView] = ListingView
+    view_listing_url: str = r'^$'
+    view_listing_title: str = None
+    view_listing_description: str = ''
+    view_listing_keywords: str = ''
+
+    # Представление с детальной информацией.
+    view_details = None
+    view_details_base_class: type[RealmView] = DetailsView
+    view_details_url: str = r'^(?P<obj_id>\d+)/$'
+    view_details_slug_url: str = r'^named/(?P<obj_id>[0-9A-z\.-]+)/$'
+
+    # Представление для добавления нового элемента.
+    view_add = None
+    view_add_base_class: type[RealmView] = AddView
+    view_add_url: str = r'^add/$'
+
+    # Представление для редактирования.
+    view_edit = None
+    view_edit_base_class: type[RealmView] = EditView
+    view_edit_url: str = r'^edit/(?P<obj_id>\d+)/$'
+
+    # Представление с разбивкой элементов по категориям.
+    view_tags = None
+    view_tags_base_class: type[RealmView] = TagsView
+    view_tags_url: str = r'^tags/(?P<category_id>\d+)/$'
+
+    @classmethod
+    def init(cls):
+        """Инициализатор обсласти. Наследники могут использовать для своих нужд."""
+
+    @classmethod
+    def is_allowed_edit(cls) -> bool:
+        """Возвращает флаг, указывающий на возможность редактирования объектов
+        в данной области.
+
+        """
+        return 'edit' in cls.allowed_views
+
+    @classmethod
+    def _get_syndication_feed(
+        cls,
+        title: str,
+        description: str,
+        func_link: Callable,
+        func_items: Callable,
+        cls_name: str
+    ) -> YandexTurboFeed:
+
+        type_dict = {
+            'title': title,
+            'description': f'PYTHONZ. {description}',
+            'item_enclosure_mime_type': 'image/png',
+            'item_enclosure_length': 50000,
+            'item_enclosure_url': lambda self, item: (
+                get_thumb_url(item.realm, item.cover, 100, 131, absolute_url=True)
+                if hasattr(item, 'cover') else ''
+            ),
+            'link': func_link,
+            'items': func_items,
+            'item_title': lambda self, item: item.title,
+            'item_pubdate': lambda self, item: item.time_published,
+            'item_link': lambda self, item: item.get_absolute_url(),
+            'item_guid': lambda self, item: f'{item.realm.name}_{item.pk}',
+            'item_guid_is_permalink': False,
+            'item_description': lambda self, item: item.description,
+            'item_turbo': lambda self, item: item.turbo_content,
+        }
+
+        feed_cls: YandexTurboFeed = type(f'{cls_name}Syndication', (YandexTurboFeed,), type_dict)()
+        feed_cls.turbo_sanitize = True
+
+        return feed_cls
+
+    @classmethod
+    def get_syndication_feed(cls) -> YandexTurboFeed:
+        """Возвращает объект потока синдикации (RSS)."""
+
+        def get_items(self) -> QuerySet:
+            items = []
+
+            try:
+                items = cls.model.get_actual()[:SYNDICATION_ITEMS_LIMIT]
+
+            except AttributeError:
+                # todo Затычка для модели Categories. Убрать фиктивный RSS при случае.
+                pass
+
+            return items
+
+        if cls.syndication_feed is None:
+
+            title = cls.model._meta.verbose_name_plural
+
+            cls.syndication_feed = cls._get_syndication_feed(
+                title=title,
+                description=f'Материалы в разделе «{title}»',
+                func_link=lambda self: reverse(cls.get_listing_urlname()),
+                func_items=get_items,
+                cls_name=cls.name
+            )
+
+        return cls.syndication_feed
+
+    @classmethod
+    def get_sitemap(cls) -> GenericSitemap:
+        """Возвращает объект карты сайта (sitemap)."""
+
+        if cls.sitemap is None:
+            settings = {
+                'queryset': cls.model.get_actual(),
+                'date_field': cls.sitemap_date_field,
+            }
+            cls.sitemap = GenericSitemap(settings, priority=0.5, changefreq=cls.sitemap_changefreq)
+
+        return cls.sitemap
+
+    @classmethod
+    def get_listing_urlname(cls) -> str:
+        """Возвращает название URL страницы со списком объектов."""
+        _tmp, realm_name_plural = cls.get_names()
+
+        return f'{realm_name_plural}:listing'
+
+    @classmethod
+    def get_details_urlname(cls, *, slugged: bool = False) -> str:
+        """Возвращает название URL страницы с детальной информацией об объекте.
+
+        :param slugged Следует ли вернуть название для URL человекопонятного
+            (см. CommonEntityModel.slug_auto).
+
+        """
+        _tmp, realm_name_plural = cls.get_names()
+
+        name = f'{realm_name_plural}:details'
+
+        if slugged:
+            name += '_slug'
+
+        return name
+
+    @classmethod
+    def get_sitetree_details_item(cls) -> list[TreeItemBase]:
+        """Возвращает элемент древа сайта, указывающий на страницу с детальной информацией об объекте."""
+
+        realm_name, realm_name_plural = cls.get_names()
+
+        children = []
+
+        if 'edit' in cls.allowed_views:
+            children.append(cls.get_sitetree_edit_item())
+
+        details_urlname = cls.get_details_urlname()
+
+        def get_item(urlname, id_attr='id'):
+            return item(
+                '{{ %s }}' % realm_name,  # noqa: UP031
+                f'{urlname} {realm_name}.{id_attr}',  # Например books:details book.id
+                children=children,
+                in_menu=False,
+                in_sitetree=False
+            )
+
+        items = [get_item(details_urlname)]
+
+        if getattr(cls.model, 'slug_pick', False):
+            items.append(get_item(cls.get_details_urlname(slugged=True), id_attr='slug'))
+
+        return items
+
+    @classmethod
+    def get_edit_urlname(cls) -> str:
+        """Возвращает название URL страницы редактирования объекта."""
+        _tmp, realm_name_plural = cls.get_names()
+
+        return f'{realm_name_plural}:edit'
+
+    @classmethod
+    def get_sitetree_edit_item(cls) -> TreeItemBase:
+        """Возвращает элемент древа сайта, указывающий на страницу редактирования объекта."""
+        realm_name, _tmp = cls.get_names()
+
+        return item(
+            cls.txt_form_edit, f'{cls.get_edit_urlname()} {realm_name}.id',
+            in_menu=False, in_sitetree=False, access_loggedin=True)
+
+    @classmethod
+    def get_add_urlname(cls) -> str:
+        """Возвращает название URL страницы добавления объекта."""
+        _tmp, realm_name_plural = cls.get_names()
+
+        return f'{realm_name_plural}:add'
+
+    @classmethod
+    def get_sitetree_add_item(cls) -> TreeItemBase:
+        """Возвращает элемент древа сайта, указывающий на страницу добавления объекта."""
+
+        tree_item = item(cls.txt_form_add, cls.get_add_urlname(), access_loggedin=True)
+        tree_item.show_on_top = True
+
+        return tree_item
+
+    @classmethod
+    def get_tags_urlname(cls) -> str:
+        """Возвращает название URL страницы со списком объектов в определённой категории."""
+        _tmp, realm_name_plural = cls.get_names()
+
+        return f'{realm_name_plural}:tags'
+
+    @classmethod
+    def get_sitetree_tags_item(cls) -> TreeItemBase:
+        """Возвращает элемент древа сайта, указывающий на страницу разбивки объектов по метке (категории)."""
+        return item(
+            '{{ category.title }} - %s' % cls.model._meta.verbose_name,  # noqa: UP031
+            url=f'{cls.get_tags_urlname()} category.id',
+            in_menu=False, in_sitetree=False)
+
+    @classmethod
+    def get_sitetree_items(cls) -> TreeItemBase:
+        """Возвращает элементы древа сайта."""
+
+        sitetree_items = cls.sitetree_items
+
+        if sitetree_items is None:
+            children = []
+
+            for view_name in cls.allowed_views:
+
+                if view_name not in ('listing', 'edit'):
+                    items = getattr(cls, f'get_sitetree_{view_name}_item')()
+
+                    if not isinstance(items, list):
+                        items = [items]
+
+                    children.extend(items)
+
+            sitetree_items = item(
+                cls.view_listing_title or str(cls.model._meta.verbose_name_plural),
+                cls.get_listing_urlname(),
+                description=cls.view_listing_description,
+                children=children,
+            )
+            if 'listing' not in cls.allowed_views:
+                sitetree_items.inmenu = False
+                sitetree_items.insitetree = False
+                sitetree_items.inbreadcrumbs = False
+
+            sitetree_items.show_on_top = cls.show_on_top
+            cls.sitetree_items = sitetree_items
+
+        return sitetree_items
+
+    @classmethod
+    def get_names(cls) -> tuple[str, str]:
+        """Возвращает кортеж с именами области в ед. и мн. числах."""
+
+        if cls.name is None:
+            cls.name = cls.__name__.lower().replace('realm', '')
+
+        if cls.name_plural is None:
+            cls.name_plural = f'{cls.name}s'
+
+        return cls.name, cls.name_plural
+
+    @classmethod
+    def get_view(cls, name: str) -> RealmView:
+        """Формирует и возвращает объект представления.
+
+        :param name:
+
+        """
+        view_attr_name = f'view_{name}'
+        view = getattr(cls, view_attr_name)
+
+        if view is None:
+            realm_name, _ = cls.get_names()
+            base_view_class = getattr(cls, f'view_{name}_base_class')
+
+            class_dict = {
+                'realm': cls,
+                'name': name
+            }
+
+            view = type(f'{realm_name.capitalize()}{name.capitalize()}View', (base_view_class,), class_dict)
+            setattr(cls, view_attr_name, view)
+
+        return view
+
+    @classmethod
+    def get_syndication_url(cls) -> str:
+        """Возвращает URL потока синдикации (RSS)."""
+
+        if cls.syndication_url is None:
+            cls.syndication_url = reverse(f'{cls.name_plural}:syndication')
+
+        return cls.syndication_url
+
+    @classmethod
+    def get_urls(cls) -> list:
+        """Вовзвращает набор URL, актуальных для этой области."""
+        views = []
+
+        def add_view(view_name: str, url_name: str = None):
+
+            if url_name is None:
+                url_name = view_name
+
+            views.append(
+                re_path(getattr(cls, f'view_{url_name}_url'), cls.get_view(view_name).as_view(), name=url_name)
+            )
+
+        for view_name in cls.allowed_views:
+            add_view(view_name)
+
+            if view_name == 'details':
+                add_view(view_name, 'details_slug')
+
+        if cls.syndication_enabled:
+            views.append(re_path(fr'^{SYNDICATION_URL_MARKER}/$', cls.get_syndication_feed(), name='syndication'))
+
+        _, realm_name_plural = cls.get_names()
+
+        return [re_path(fr'^{realm_name_plural}/', (views, realm_name_plural, realm_name_plural))]
diff --git a/pythonz/apps/generics/views.py b/pythonz/apps/generics/views.py
new file mode 100644
index 00000000..7db9b12d
--- /dev/null
+++ b/pythonz/apps/generics/views.py
@@ -0,0 +1,562 @@
+from collections.abc import Callable
+from datetime import datetime
+
+from django.contrib.auth.decorators import login_required
+from django.contrib.contenttypes.models import ContentType
+from django.core.exceptions import PermissionDenied
+from django.core.paginator import EmptyPage, Page, Paginator
+from django.db.models import QuerySet
+from django.http import Http404, HttpRequest
+from django.shortcuts import HttpResponse, get_object_or_404, redirect, render
+from django.utils.decorators import method_decorator
+from django.views.decorators.http import condition
+from django.views.generic.base import View
+from siteajax.toolbox import ajax_dispatch
+from sitecats.models import Tie
+from sitecats.toolbox import get_category_aliases_under
+
+from ..exceptions import PythonzException, RedirectRequired
+from ..integration.partners import get_partner_links
+from ..models import Article, Category, Community, Discussion, Event, ModelWithCategory, ModelWithDiscussions, User
+from ..utils import message_error, message_info, message_success, message_warning
+from .models import ModelWithCompiledText, RealmBaseModel
+
+if False:  # pragma: nocover
+    from .realms import RealmBase  # noqa
+
+
+class HttpRequest(HttpRequest):
+
+    user: User
+    user_id: int
+
+
+class RealmView(View):
+    """Базовое представление для представлений областей (сущностей)."""
+
+    realm: 'RealmBase' = None  # Во время исполнения будет содержать ссылку на объект области Realm
+    name: str = None  # Во время исполнения будет содержать алиас этого представления (н.п. edit).
+
+    func_etag: Callable = None
+    """Может указывать на метод, реализующий возвращение ETag."""
+    func_last_mod: Callable = None
+    """Может указывать на метод, возвращающий дату Last-Modified."""
+
+    def dispatch(self, request: HttpRequest, *args, **kwargs) -> HttpResponse:
+
+        @condition(self.func_etag, self.func_last_mod)
+        def conditional_dispatch(request, *args, **kwargs):
+            return super(RealmView, self).dispatch(request, *args, **kwargs)
+
+        if request.method.lower() == 'get':
+            # Кеширование GET-выдач.
+            return conditional_dispatch(request, *args, **kwargs)
+
+        return super().dispatch(request, *args, **kwargs)
+
+    def check_view_permissions(self, request: HttpRequest, item: RealmBaseModel):
+        """Производит провердку возможности доступа к просмотру страницы.
+        Возбуждает исключения, в случае ошибкидоступа.
+
+        :param request:
+        :param item:
+
+        """
+        if not request.user.is_superuser:
+
+            if item.is_deleted:
+                # Запрещаем доступ к удалённым.
+                raise Http404
+
+            elif item.is_draft and hasattr(item, 'submitter') and item.submitter != request.user:
+                # Закрываем доступ к чужим черновикам.
+                raise PermissionDenied
+
+    def check_edit_permissions(self, request: HttpRequest, item: RealmBaseModel):
+        """Производит проверку прав пользователя для доступа к редактированию объекта.
+
+        :param request:
+        :param item:
+
+        """
+        realm = self.realm
+
+        if not realm.is_allowed_edit():  # Область не поддерживает редактирования.
+            raise PermissionDenied
+
+        user = request.user
+
+        if not user.is_authenticated:  # Неавторизованные пользователи не могут ничего.
+            raise PermissionDenied
+
+        if user.is_superuser:
+            return
+
+        try:
+            edit_by_owner = (request.user_id == item.submitter_id)
+
+        except AttributeError:
+            edit_by_owner = (user == item)  # Модель User
+
+        if edit_by_owner:
+            return
+
+        if not realm.model.allow_edit_anybody:
+            raise PermissionDenied
+
+        if item.is_published and not realm.model.allow_edit_published:
+
+            message_warning(
+                request,
+                'Этот материал уже прошёл модерацию и был опубликован. '
+                'На данный момент в проекте запрещено редактирование опубликованных материалов.')
+
+            raise PermissionDenied
+
+    @classmethod
+    def get_template_path(cls, name: str = None) -> str:
+        """Возвращает путь к шаблону страницы представления для данной области."""
+
+        if name is None:
+            name = cls.name
+
+        return f'realms/{cls.realm.name_plural}/{name}.html'
+
+    def render(self, request: HttpRequest, data_dict: dict) -> HttpResponse:
+        """Компилирует страницу представления.
+
+        :param request:
+        :param data_dict:
+
+        """
+        data_dict.update({
+            'realm': self.realm,
+            'view': self
+        })
+        return render(request, f'view_{self.__class__.name}.html', data_dict)
+
+    def post(self, request: HttpRequest, *args, **kwargs) -> HttpResponse:
+        """Запросы POST перенаправляются на обработчик GET.
+
+        :param request:
+        :param args:
+        :param kwargs:
+
+        """
+        return self.get(request, *args, **kwargs)
+
+    def update_context(self, context: dict, request: HttpRequest):
+        """Используется для дополнения контекста шаблона данными.
+
+        :param context:
+        :param request:
+
+        """
+
+    def get_object_or_404(self, obj_id: int) -> RealmBaseModel:
+        """Реализует механизм обнаружения объекта нужного типа для области,
+        к которой привязано это представление.
+
+        :param obj_id:
+
+        """
+        model = self.realm.model
+
+        q = model.objects
+
+        related = getattr(model, 'details_related', [])
+
+        if related:
+            q = q.select_related(*related)
+
+        if 'named/' in self.request.path:
+            return get_object_or_404(q, slug=obj_id)
+
+        return get_object_or_404(q, pk=obj_id)
+
+
+class ListingView(RealmView):
+    """Список объектов."""
+
+    def get_last_modified(self, *args, **kwargs) -> datetime | None:
+        """Возвращает Last-Modified для списка сущностей."""
+
+        field = 'time_published'
+        objects = self.get_paginator_objects()
+
+        if isinstance(objects, list):
+            # Если пришёл список, значит кеширование должно
+            # было быть реализовано при его составлении.
+            return
+
+        last = objects.values(field).order_by(field).last()
+
+        return last and last[field]
+
+    func_last_mod = get_last_modified
+
+    def get_paginator_objects(self) -> QuerySet:
+        """Возвращает объекты для страницы при постраницчной навигации."""
+        return self.realm.model.get_paginator_objects()
+
+    def get_most_voted_objects(self) -> QuerySet:
+        """Возвращает объекты, за которые было отдано больше всего голосов."""
+        return self.realm.model.get_most_voted_objects()
+
+    @classmethod
+    def extend_paginator(cls, page_items: Page):
+        """Дополняет объект постраничной навигации.
+
+        :param page_items:
+
+        """
+        max_pages_before_after = 10
+        page = page_items.number
+
+        min_page_before = page-max_pages_before_after
+        if min_page_before < 1:
+            min_page_before = 0
+
+        max_page_after = page+max_pages_before_after
+        if max_page_after > page_items.paginator.num_pages:
+            max_page_after = page_items.paginator.num_pages
+
+        page_items.before_current = reversed(range(page-1, min_page_before, -1))
+        page_items.after_current = range(page+1, max_page_after+1)
+
+    def get_paginator_per_page(self, request: HttpRequest) -> int:
+        return self.realm.model.items_per_page
+
+    @classmethod
+    def get_categories(cls) -> list[Category]:
+
+        model = cls.realm.model
+
+        if not issubclass(model, ModelWithCategory):
+            return []
+
+        content_type = ContentType.objects.get_for_model(model, for_concrete_model=False)
+
+        categories = [
+            Category(id=category_id, title=category_title)
+            for category_id, category_title in
+                Tie.objects.filter(content_type=content_type).
+                    values_list('category_id', 'category__title').
+                    distinct()[:30]
+        ]
+
+        get_url = model.get_category_absolute_url
+
+        for category in categories:
+            category.note = get_url(category)
+
+        return categories
+
+    def get(self, request: HttpRequest, category_id: int = None) -> HttpResponse:
+
+        try:
+            page = int(request.GET.get('p'))
+
+        except (TypeError, ValueError):
+            page = 1
+
+        paginator = Paginator(self.get_paginator_objects(), self.get_paginator_per_page(request))
+
+        try:
+            page_items = paginator.page(page)
+
+        except EmptyPage:
+            page_items = paginator.page(1)
+
+        self.extend_paginator(page_items)
+
+        category = None
+        if category_id is not None:
+            category = Category.objects.get(pk=category_id)
+
+        context = {
+            self.realm.name_plural: page_items,
+            'items': page_items,
+            'category': category,
+            'get_categories': self.get_categories,
+            'items_most_voted': self.get_most_voted_objects()
+        }
+
+        self.update_context(context, request)
+
+        return self.render(request, context)
+
+
+class DetailsView(RealmView):
+    """Детальная информация об объекте."""
+
+    def _attach_support_data(self, item: RealmBaseModel, request: HttpRequest):
+        """Цепляет к объекту данные о поданном за него голосе пользователя.
+
+        :param item:
+        :param request:
+
+        """
+        item.my_support = item.is_supported_by(request.user)
+
+    def _attach_bookmark_data(self, item: RealmBaseModel, request: HttpRequest):
+        """Цепляет к объекту данные о его занесении его пользователем в избранное.
+
+        :param item:
+        :param request:
+
+        """
+        item.is_bookmarked = item.is_bookmarked_by(request.user)
+
+    def _attach_data(self, item: RealmBaseModel, request: HttpRequest):
+        """Цепляет базовый набор данный к объекту.
+
+        :param item:
+        :param request:
+
+        """
+        self._attach_bookmark_data(item, request)
+        self._attach_support_data(item, request)
+
+    @method_decorator(login_required)
+    def toggle_bookmark(self, request: HttpRequest, obj_id: int) -> HttpResponse:
+        """Обслуживает ajax-запрос. Реализует занесение/изъятие объекта в/из избранного..
+
+        :param request:
+        :param obj_id:
+
+        """
+        item = self.get_object(request=request, obj_id=obj_id)
+        action = int(request.POST.get('action', 0))
+
+        if action == 1:
+            item.set_bookmark(self.request.user)
+
+        elif action == 0:
+            item.remove_bookmark(self.request.user)
+
+        self._attach_bookmark_data(item, self.request)
+
+        return render(self.request, 'sub/box_bookmark.html', {'item': item})
+
+    @method_decorator(login_required)
+    def set_rate(self, request: HttpRequest, obj_id: int) -> HttpResponse:
+        """Обслуживает ajax-запрос. Реализует оценку объекта.
+
+        :param request:
+        :param obj_id:
+
+        """
+        item = self.get_object(request=request, obj_id=obj_id)
+
+        if self._is_rating_allowed(request, item):
+            action = int(request.POST.get('action', 0))
+
+            if action == 1:
+                item.set_support(request.user)
+
+            elif action == 0:
+                item.remove_support(request.user)
+
+        self._attach_support_data(item, request)
+
+        return render(request, 'sub/box_rating.html', {'item': item})
+
+    @classmethod
+    def _is_rating_allowed(cls, request: HttpRequest, item: RealmBaseModel) -> bool:
+        """Возвращает флаг, указывающий на то, можно
+        ли рекомендовать данную сущность (материал).
+
+        :param request:
+        :param item:
+
+        """
+        return request.user != item  # Пользователи не могут рекомендовать себя %)
+
+    def list_partner_links(self, request: HttpRequest, obj_id: int) -> HttpResponse:
+        """Обслуживает ajax-запрос. Реализует получение блока с партнёрскими ссылками.
+
+        :param request:
+        :param obj_id:
+
+        """
+        item = self.get_object(request=request, obj_id=obj_id)
+        return render(request, self.get_template_path('partner_links'), get_partner_links(self.realm, item))
+
+    def get_object(self, *, request: HttpRequest, obj_id: int):
+
+        item = self.get_object_or_404(obj_id)
+
+        self.check_view_permissions(request, item)
+
+        item.has_discussions = False
+
+        if isinstance(item, ModelWithDiscussions):
+            item.has_discussions = True
+
+        return item
+
+    @ajax_dispatch({
+        'list-partner-links': list_partner_links,
+        'set-rate': set_rate,
+        'toggle-bookmark': toggle_bookmark,
+    })
+    def get(self, request: HttpRequest, obj_id: int) -> HttpResponse:
+
+        item = self.get_object(request=request, obj_id=obj_id)
+
+        try:
+            self._attach_data(item, request)
+
+        except RedirectRequired:
+            return redirect(item, permanent=True)
+
+        item_rating_allowed = self._is_rating_allowed(request, item)
+
+        try:
+            self.check_edit_permissions(request, item)
+            item_edit_allowed = True
+
+        except PermissionDenied:
+            item_edit_allowed = False
+
+        if isinstance(item, ModelWithCategory):
+            item.has_categories = True
+            item.set_category_lists_init_kwargs({'show_title': True, 'cat_html_class': 'label label-default'})
+
+        # Нарочно передаём item под двумя разными именами.
+        # Требуется для упрощения наследования шаблонов.
+        context = {
+            self.realm.name: item,
+            'item': item,
+            'item_edit_allowed': item_edit_allowed,
+            'item_rating_allowed': item_rating_allowed
+        }
+
+        self.update_context(context, request)
+
+        return self.render(request, context)
+
+
+class TagsView(ListingView):
+    """Список меток (категорий) для объекта."""
+
+    def get_paginator_objects(self) -> QuerySet:
+        return self.realm.model.get_objects_in_category(self.kwargs['category_id'])
+
+    def get_most_voted_objects(self) -> QuerySet:
+        return self.realm.model.get_most_voted_objects_in_category(self.kwargs['category_id'])
+
+
+class EditView(RealmView):
+    """Редактирование (и добавление) объекта."""
+
+    @method_decorator(login_required)  # На страницах редактирования требуется атворизация.
+    def dispatch(self, request: HttpRequest, *args, **kwargs) -> HttpResponse:
+        return super().dispatch(request, *args, **kwargs)
+
+    def preview_rst(self, request: HttpRequest, obj_id: int | None = None) -> HttpResponse:
+        """Обслуживает ajax-запрос. Обрабатывает запрос на предварительный просмотр текста в формате rst.
+
+        :param request:
+
+        """
+        return HttpResponse(ModelWithCompiledText.compile_text(request.POST.get('text_src', '')))
+
+    @ajax_dispatch({
+        'preview-rst': preview_rst,
+    })
+    def get(self, request: HttpRequest, obj_id: int | None = None) -> HttpResponse:
+
+        item = None
+
+        if obj_id is not None:
+            item = self.get_object_or_404(obj_id)
+
+        data = None
+        if 'pythonz_form' in request.POST:
+            data = request.POST
+
+        if item is not None:
+            self.check_edit_permissions(request, item)
+
+        form = self.realm.form(
+            data,
+            request=request,
+            src='POST',
+            instance=item,
+            files=request.FILES or None,
+            id='edit_form',
+            user=request.user,
+        )
+
+        if isinstance(item, ModelWithCategory):
+
+            item.has_categories = True
+            category_handled = item.enable_category_lists_editor(
+                request,
+                additional_parents_aliases=get_category_aliases_under(),
+                handler_init_kwargs={'error_messages_extra_tags': 'alert alert-danger'},
+                lists_init_kwargs={'show_title': True, 'cat_html_class': 'label label-default'},
+                editor_init_kwargs={
+                    'allow_add': True, 'allow_new': request.user.is_superuser, 'allow_remove': True,
+                    'category_separator': ', '
+                }
+            )
+
+            if category_handled:  # Добавилась категория, перенаправим на эту же страницу.
+                return redirect(self.realm.get_edit_urlname(), item.id, permanent=True)
+
+        show_moderation_hint = self.realm.model not in (User, Article, Discussion, Community, Event)
+
+        if data is None:
+
+            if show_moderation_hint:
+                message_warning(
+                    request,
+                    'Обратите внимание, что на данном этапе развития проекта добавляемые '
+                    'материалы проходят модерацию, прежде чем появиться на сайте.'
+                )
+
+        if item is None:
+            redirector = lambda: redirect(item, permanent=True)  # noqa: E731
+
+        else:
+            redirector = lambda: redirect(self.realm.get_edit_urlname(), item.id, permanent=True)  # noqa: E731
+
+        if form.is_valid():
+
+            try:
+                if item is None:
+
+                    form.instance.submitter = request.user
+                    item = form.save()
+                    message_success(request, 'Объект добавлен.')
+
+                    if show_moderation_hint:
+                        message_info(request, 'Данный объект появится на сайте после модерации.')
+
+                else:
+                    form.instance.last_editor = request.user
+                    form.save()
+
+                    message_success(request, 'Данные сохранены.')
+
+                return redirector()
+
+            except PythonzException as e:
+                message_error(request, e.message)
+
+        context = {'form': form, self.realm.name: item, 'item': item}
+
+        try:
+            self.update_context(context, request)
+
+        except RedirectRequired:
+            return redirector()
+
+        return self.render(request, context)
+
+
+class AddView(EditView):
+    """Добавление объекта."""
diff --git a/apps/templatetags/__init__.py b/pythonz/apps/integration/__init__.py
similarity index 100%
rename from apps/templatetags/__init__.py
rename to pythonz/apps/integration/__init__.py
diff --git a/pythonz/apps/integration/base.py b/pythonz/apps/integration/base.py
new file mode 100644
index 00000000..8ab80ec4
--- /dev/null
+++ b/pythonz/apps/integration/base.py
@@ -0,0 +1,115 @@
+from collections import defaultdict
+from enum import unique
+
+from django.db import models
+
+from .utils import PageInfo, get_from_url, get_page_info, run_threads
+
+
+class RemoteSource:
+    """База для удалённых источников данных."""
+
+    realm: str = ''
+    """Область, к которой привязан источник."""
+
+    active: bool = True
+    """Показатель активности источника."""
+
+    alias: str = ''
+    """Псевдоним источника (краткий лат.)."""
+
+    title: str = ''
+    """Название источника."""
+
+    registry: dict = defaultdict(dict)
+    """Зарегистрированные источники."""
+
+    def __init_subclass__(cls):
+        super().__init_subclass__()
+
+        alias = cls.alias
+
+        if alias:
+            cls.registry[cls.realm][alias] = cls
+
+    @classmethod
+    def get_sources(cls) -> dict[str, type['RemoteSource']]:
+        """Возвращает словарь с источниками, зарегистрированными для области."""
+        return cls.registry[cls.realm]
+
+    @classmethod
+    def get_source(cls, alias: str) -> type['RemoteSource'] | None:
+        """Возвращает класс источника по псевдониму.
+
+        :param alias: Псевдоним источника.
+
+        """
+        return cls.get_sources().get(alias)
+
+    @classmethod
+    def get_enum(cls) -> type[models.TextChoices]:
+        """Возвращает перечисление источников для модели."""
+
+        enum = unique(models.TextChoices('Source', [
+            (alias, (alias, source_cls.title))
+            for alias, source_cls in cls.get_sources().items()
+        ]))
+
+        return enum
+
+    def request(self, url: str) -> str:
+        """Отправляет запрос на указанный URL.
+
+        :param url:
+
+        """
+        response = get_from_url(url)
+
+        return response.text
+
+    def fetch_list(self) -> list[dict]:
+        """Возвращает словарь с данными записей, полученных из внешнего
+        источника.
+
+        """
+        raise NotImplementedError  # pragma: nocover
+
+    @classmethod
+    def get_page_info(cls, url: str) -> PageInfo | None:
+        """Возвращает информацию о странице, расположенной
+        по указанному адресу, либо None.
+
+        :param url:
+
+        """
+        return get_page_info(url)
+
+    @classmethod
+    def get_pages_info(cls, urls: set[str], *, thread_num: int = None) -> dict[str, PageInfo | None]:
+        """Возвращает информацию о страницах, расположенных
+        по указанным адресам. Отправляет запросы в нитях.
+
+        :param urls:
+
+        :param thread_num: Количество нитей для забора данных.
+            Если не указано, о будет создано нитей по количеству URL,
+            но не более определённого числа.
+
+        """
+        return run_threads(urls, cls.get_page_info, thread_num=thread_num)
+
+    @classmethod
+    def contribute_page_info(cls, results: list[dict]):
+        """Дополняет указанные словари результатов ключем __page_info,
+        в котором будут указаны данные страниц, упомянутых в ключах `url`.
+
+        Внимание: изменяет исходный список.
+
+        :param results:
+
+        """
+        by_url = cls.get_pages_info({item['url'] for item in results})
+
+        for item in results:
+            page_info = by_url.get(item['url'])
+            item['__page_info'] = page_info or None
diff --git a/pythonz/apps/integration/events.py b/pythonz/apps/integration/events.py
new file mode 100644
index 00000000..35e0c641
--- /dev/null
+++ b/pythonz/apps/integration/events.py
@@ -0,0 +1,104 @@
+import re
+from datetime import timedelta
+from hashlib import md5
+
+from django.utils import timezone
+from icalendar_light.toolbox import Calendar
+
+from .base import RemoteSource
+
+
+class EventSource(RemoteSource):
+    """База для источников событий."""
+
+    realm: str = 'event'
+
+
+class GoogleCalendarSource(EventSource):
+    """Источник Google-календарь."""
+
+    group: str = ''
+    """Идентификатор группы гуглового календаря."""
+
+    days_skip: int = 7
+    """Если событие меньше, чем за указанное количество дней, оно не будет принято в рассчёт."""
+
+    days_forward: int = 30
+    """Количество дней, на которое требуется заглянуть вперёд в календаре."""
+
+    big_events: bool = False
+    """Указание на то, что все события группы масштабные."""
+
+    @classmethod
+    def construct_url(cls):
+        return f'https://www.google.com/calendar/ical/{cls.group}@group.calendar.google.com/public/basic.ics'
+
+    def compose_item(self, event: Calendar.Event) -> dict:
+
+        try:
+            url = re.findall(r'="([^"]+)"', event.description or '')[0]
+
+        except IndexError:
+            url = ''
+
+        dt_start = event.dt_start
+        place = event.location or ''
+        place_id = ''
+
+        if place:
+            place_id = md5(f'{place}'.encode()).hexdigest()
+
+        item = {
+            'title': event.summary,
+            'url': url,
+            'src_id': md5(f'{event.uid}|{dt_start.date()}'.encode()).hexdigest(),
+            'src_place_id': place_id,
+            'src_place_name': place,
+            'time_start': dt_start,
+            'time_finish': event.dt_end,
+            'big': self.big_events,
+        }
+
+        return item
+
+    def fetch_list(self) -> list[dict]:
+
+        results = []
+
+        compose = self.compose_item
+
+        contents = self.request(self.construct_url())
+
+        min_date = timezone.now() + timedelta(days=self.days_skip)
+        events = Calendar.iter_events_upcoming(contents.splitlines(), days_forward=self.days_forward)
+
+        for event in events:
+
+            if not event.status or event.status == 'CONFIRMED':
+
+                if event.dt_start < min_date:
+                    continue
+
+                results.append(compose(event))
+
+        self.contribute_page_info(results)
+
+        return results
+
+
+class PyEvent(GoogleCalendarSource):
+    """Официальный календарь крупных событий."""
+
+    alias: str = 'pyglob'
+    title: str = 'Официальный календарь'
+    group: str = 'j7gov1cmnqr9tvg14k621j7t5c'
+
+    big_events: bool = True
+
+
+class PyUserGroupEvent(GoogleCalendarSource):
+    """Календарь групп пользователей."""
+
+    alias: str = 'pyuser'
+    title: str = 'Календарь сообществ'
+    group: str = '3haig2m9msslkpf2tn1h56nn9g'
diff --git a/pythonz/apps/integration/partners.py b/pythonz/apps/integration/partners.py
new file mode 100644
index 00000000..024c56fe
--- /dev/null
+++ b/pythonz/apps/integration/partners.py
@@ -0,0 +1,304 @@
+from decimal import Decimal, InvalidOperation
+from typing import TYPE_CHECKING, NamedTuple, Union
+
+from bs4 import BeautifulSoup
+from django.conf import settings
+from django.core.cache import cache
+from django.db.models import signals
+from django.utils.timezone import now
+from requests import Response
+from requests.exceptions import ConnectionError
+
+from .utils import get_from_url, make_soup, run_threads
+
+if TYPE_CHECKING:
+    from ..generics.models import RealmBaseModel
+    from ..generics.realms import RealmBase
+    from ..models import ModelWithPartnerLinks, PartnerLink
+
+_CACHE_TIMEOUT: int = 28800  # 8 часов
+
+
+class PartnerBase:
+    """Базовый класс для работы с партнёрскими сайтами."""
+
+    alias: str = None
+    title: str = None
+    link_mutator: str = None
+
+    registry: dict[str, 'PartnerBase'] = {}
+    """Реестр объектов партнёров."""
+
+    def __init__(self, partner_id: str):
+        self.partner_id = partner_id
+
+    def __init_subclass__(cls) -> None:
+        super().__init_subclass__()
+
+        alias = cls.alias
+        partner_id = settings.PARTNER_IDS.get(alias, '')
+        cls.registry[alias] = cls(partner_id)
+
+    def get_link_data(self, realm: 'RealmBase', link: 'PartnerLink') -> dict:
+        """Возвращает словарь с данными партнёрской ссылки.
+
+        :param realm:
+        :param link:
+
+        """
+        link_url = link.url
+
+        link_mutator = self.link_mutator.replace('{partner_id}', self.partner_id)
+
+        if '?' in link_url and link_mutator.startswith('?'):
+            link_mutator = link_mutator.replace('?', '&')
+
+        url = f'{link_url}{link_mutator}'
+
+        title = f'{realm.model.get_verbose_name()} на {self.title}'
+        description = link.description
+
+        if description:
+            title = f'{title} — {description}'
+
+        page_soup = self.get_page_soup(link_url)
+
+        if not page_soup:
+            return {}
+
+        price = self.get_price(
+            page_soup
+        ).lower().strip(' .').replace('руб', 'руб.').replace('₽', 'руб.').strip()
+
+        try:
+            Decimal(price)
+            price = f'{price} руб.'
+
+        except InvalidOperation:
+            pass
+
+        data = {
+            'icon_url': f'https://favicon.yandex.net/favicon/{self.title}',
+            'title': title,
+            'url': url,
+            'price': price,
+            'time': now()
+        }
+        return data
+
+    @classmethod
+    def get_page(cls, url: str) -> Response:
+        return get_from_url(url, timeout=20)
+
+    @classmethod
+    def get_page_soup(cls, url: str) -> BeautifulSoup | None:
+
+        try:
+            page = cls.get_page(url)
+
+        except ConnectionError:
+            return
+
+        return make_soup(page.text)
+
+    @classmethod
+    def get_price(cls, page_soup: BeautifulSoup) -> str:
+        return ''
+
+
+class BooksRu(PartnerBase):
+    """Класс реализует работу по партнёрской программе сайта books.ru."""
+
+    alias: str = 'booksru'
+    title: str = 'books.ru'
+    link_mutator: str = '?partner={partner_id}'
+
+    @classmethod
+    def get_price(cls, page_soup: BeautifulSoup) -> str:
+
+        price = ''
+
+        if page_soup:
+            if matches := page_soup.select('h3.book-price'):
+                price = matches[0].text
+
+        return price
+
+
+class LitRes(PartnerBase):
+    """Класс реализует работу по партнёрской программе сайта litres.ru."""
+
+    alias: str = 'litres'
+    title: str = 'litres.ru'
+    link_mutator: str = '?lfrom={partner_id}'
+
+    @classmethod
+    def get_price(cls, page_soup: BeautifulSoup) -> str:
+
+        price = ''
+
+        if page_soup:
+            if matches := page_soup.findAll('meta', attrs={'itemprop': 'price'}):
+                price = matches[0].attrs['content']
+
+        return price
+
+
+class Ozon(PartnerBase):
+    """Класс реализует работу по партнёрской программе сайта ozon.ru."""
+
+    alias: str = 'ozon'
+    title: str = 'ozon.ru'
+    link_mutator: str = '?partner={partner_id}'
+
+    @classmethod
+    def get_price(cls, page_soup: BeautifulSoup) -> str:
+
+        price = ''
+
+        if page_soup:
+            if matches := page_soup.findAll('span', attrs={'itemprop': 'price', 'class': 'hidden'}):
+                price = matches[0].text
+
+        return price
+
+
+class Book24(PartnerBase):
+    """Класс реализует работу по партнёрской программе сайта book24.ru (бывший read.ru)."""
+
+    alias: str = 'book24'
+    title: str = 'book24.ru'
+    link_mutator: str = (
+            '?utm_source=affiliate&utm_medium=cpa&utm_campaign={partner_id}&'
+            'utm_content=site&partnerId={partner_id}')
+
+    @classmethod
+    def get_price(cls, page_soup: BeautifulSoup) -> str:
+
+        price = ''
+
+        if page_soup:
+
+            if match := page_soup.find(itemprop='price'):
+                price = match.get('content', '').replace(' ', '')
+
+        return price
+
+
+class Bookvoed(PartnerBase):
+    """Класс реализует работу по партнёрской программе сайта bookvoed.ru."""
+
+    alias: str = 'bookvoed'
+    title: str = 'bookvoed.ru'
+    link_mutator: str = '?{partner_id}'  # нет партнёрской программы
+
+    @classmethod
+    def get_price(cls, page_soup: BeautifulSoup) -> str:
+
+        price = ''
+
+        if page_soup:
+
+            if matches := page_soup.select('.product'):
+                attrs = matches[0].attrs
+                price = attrs['data-product-price-discounted']
+
+        return price
+
+
+class LabirintRu(PartnerBase):
+    """Класс реализует работу по партнёрской программе сайта labirint.ru."""
+
+    alias: str = 'labirint'
+    title: str = 'labirint.ru'
+    link_mutator: str = '?p={partner_id}'
+
+    @classmethod
+    def get_price(cls, page_soup: BeautifulSoup) -> str:
+
+        price = ''
+
+        if page_soup:
+            if matches := page_soup.select('.buying-price-val-number'):
+                price = matches[0].text
+
+        return price
+
+
+def get_cache_key(instance: 'RealmBaseModel') -> str:
+    """Возвращает ключ записи кэша для указанного экземпляра сущности.
+
+    :param instance:
+
+    """
+    return f'partner_links|{instance.__class__.__name__}|{instance.pk}'
+
+
+def init_partners_module():
+    """Инициализирует объекты известных партнёров и заносит их в реестр."""
+    from ..models import PartnerLink  # noqa: PLC0415
+
+    def partner_links_cache_invalidate(*args, **kwargs):
+        """Сбрасывает кеш партнёрских ссылок при изменении данных
+         моделей ссылок или их удалении.
+
+        """
+        cache_key = get_cache_key(kwargs.get('instance').linked_object)
+        cache.delete(cache_key)
+
+    signals.post_save.connect(partner_links_cache_invalidate, sender=PartnerLink, weak=False)
+    signals.post_delete.connect(partner_links_cache_invalidate, sender=PartnerLink, weak=False)
+
+
+init_partners_module()
+
+
+def get_partners_choices() -> list[tuple[str, str]]:
+    """Возвращает варианты выбора известных партнёров для раскрывающихся списков."""
+    choices = [
+        (partner.alias, partner.title)
+        for partner in PartnerBase.registry.values()
+    ]
+    return choices
+
+
+def get_partner_links(realm: type['RealmBase'], item: Union['RealmBaseModel', 'ModelWithPartnerLinks']) -> dict:
+    """Возвращает словарь с данными по партнёрским ссылкам,
+    готовый для передачи в шаблон.
+
+    :param  realm:
+    :param item:
+
+    """
+    cache_key = get_cache_key(item)
+    links_data = cache.get(cache_key)
+
+    class Task(NamedTuple):
+        link: str
+        realm: str
+        partner: str
+
+    def contribute_info(task: Task):
+        if data := task.partner.get_link_data(task.realm, task.link):
+            links_data.append(data)
+
+    if links_data is None:
+
+        links_data = []
+        get_partner = PartnerBase.registry.get
+        tasks = [
+            Task(
+                link=link,
+                realm=realm,
+                partner=partner
+            )
+            for link in item.partner_links.order_by('partner_alias', 'description').all()
+            if (partner := get_partner(link.partner_alias))
+        ]
+
+        if tasks:
+            run_threads(tasks, contribute_info)
+
+        cache.set(cache_key, links_data, _CACHE_TIMEOUT)
+
+    return {'links': links_data}
diff --git a/pythonz/apps/integration/peps.py b/pythonz/apps/integration/peps.py
new file mode 100644
index 00000000..342f5bac
--- /dev/null
+++ b/pythonz/apps/integration/peps.py
@@ -0,0 +1,318 @@
+import re
+from datetime import datetime
+from functools import partial
+from os.path import splitext
+from typing import TYPE_CHECKING, NamedTuple
+
+import requests
+from django.conf import settings
+from django.utils import timezone
+
+from ..signals import sig_send_generic_telegram
+from ..utils import PersonName, get_logger, sync_many_to_many
+
+if TYPE_CHECKING:
+    from ..models import PEP
+
+
+LOG = get_logger(__name__)
+
+KEYS_REQUIRED: list[str] = ['pep', 'title', 'status', 'type', 'author', 'created']
+KEYS_OPTIONAL: list[str] = ['python-version', 'superseded-by', 'replaces', 'requires']
+KEYS_ALL: list[str] = KEYS_REQUIRED + KEYS_OPTIONAL
+
+RE_VERSION = re.compile(r'(\d{1,2}.\d{1,2}(.\d{1,2})?)')
+RE_MAIL_TYPE1 = re.compile(r'([^<]+)<[^>]+>')
+RE_MAIL_TYPE2 = re.compile(r'[^(]+\(([^)]+)\)')
+
+
+class PepInfo(NamedTuple):
+    num: int
+    title: str
+    status: str
+    type: str
+    created: datetime
+    authors: list[str]
+    versions: list[str]
+    superseded: list[str]
+    replaces: list[str]
+    requires: list[str]
+
+
+def strip_mail(value: str) -> list[str]:
+    """Удаляет адреса эл. почты из строки author."""
+    names = []
+
+    for name in value.split(','):
+        name = name.strip()
+
+        matches = RE_MAIL_TYPE1.match(name)
+
+        if not matches:
+            matches = RE_MAIL_TYPE2.match(name)
+
+        if matches:
+            name = matches.group(1).strip()
+
+        name = PersonName(name)
+        name = name.full
+        name and names.append(name)
+
+    return names
+
+
+def normalize_date(value: str) -> datetime:
+    """Нормализует дату (в форматах, используемых в PEP), приводя к datetime."""
+    created = value.strip()
+
+    if created:
+
+        if '(' in created:
+            created = created[:created.index('(')].strip()
+
+        strptime = partial(datetime.strptime, created)
+
+        # 29-May-2011 / 18-June-2001 / 2011-03-16 / 30 Aug 2012 / 30 March 2013
+        for fmt in ['%d-%b-%Y', '%d-%B-%Y', '%Y-%m-%d', '%d %b %Y', '%d %B %Y']:
+
+            try:
+                created = timezone.make_aware(strptime(fmt), timezone.get_current_timezone())
+                break
+
+            except ValueError:
+                continue
+        else:
+            raise Exception(f'Unknown date format `{created}` in `{value}`')
+
+    return created
+
+
+def get_peps(exclude_peps: list[str] = None, limit: int = None) -> list[PepInfo]:
+    """Проходит по репозиторию PEPов и возвращает данные о них в виде
+    списка PEPInfo.
+
+    :param exclude_peps: Номера PEP (с ведущими нулями), которые можно пропустить.
+    :param limit: Максимальное количество PEP, которые следует обработать.
+
+    """
+    LOG.debug('Getting PEPs ...')
+
+    def make_list(pep: dict, key: str):
+        pep[key] = [int(chunk.strip()) for chunk in pep.get(key, '').split(',') if chunk.strip()] or []
+
+    def normalize_pep_info(pep: dict):
+
+        pep['pep'] = int(pep['pep'])
+        pep['author'] = strip_mail(pep['author'])
+
+        version = pep.get('python-version', '')
+
+        if version:
+            version = [match[0].replace(',', '.').replace('3000', '3.0') for match in RE_VERSION.findall(version)]
+
+        pep['python-version'] = version
+        pep['created'] = normalize_date(pep['created'])
+
+        make_list(pep, 'superseded-by')
+        make_list(pep, 'replaces')
+        make_list(pep, 'requires')
+
+    def get_pep_info(download_url: str) -> PepInfo:
+        LOG.debug('Getting PEP info from %s ...', download_url)
+
+        response = requests.get(download_url).text
+
+        info_dict = {}
+        header = []
+
+        for line in response.splitlines():
+
+            if not line.strip():
+                break
+
+            if line[0].strip():
+                if ':' not in line:
+                    break
+
+                key, value = line.split(':', 1)
+                value = value.strip()
+                header.append((key, value))
+
+            else:
+                # продолжение секции
+                key, value = header[-1]
+                value = value + line
+                header[-1] = key, value
+
+        for key, value in header:
+            key = key.lower()
+
+            if key in KEYS_ALL:
+                info_dict[key] = value.strip()
+
+        normalize_pep_info(info_dict)
+
+        pep_info = PepInfo(
+            num=info_dict['pep'],
+            title=info_dict['title'],
+            versions=info_dict['python-version'],
+            status=info_dict['status'],
+            type=info_dict['type'],
+            created=info_dict['created'],
+            authors=info_dict['author'],
+            superseded=info_dict['superseded-by'],
+            replaces=info_dict['replaces'],
+            requires=info_dict['requires'],
+        )
+
+        return pep_info
+
+    exclude_peps = exclude_peps or []
+    peps = []
+    url_base = 'https://api.github.com/repos/python/peps/contents/peps?ref=main'
+
+    pep_counter = 0
+    limit = limit or float('inf')
+
+    json = requests.get(url_base).json()
+
+    for item in json:
+        name = item['name']
+
+        if not name.startswith('pep-'):
+            continue
+
+        name_split = splitext(name)  # noqa: PTH122
+
+        ext = name_split[1]
+
+        if item['type'] == 'file' and ext in ('.txt', '.rst'):
+
+            pep_num = name_split[0].replace('pep-', '')
+
+            if pep_num in exclude_peps:
+                continue
+
+            peps.append(get_pep_info(item['download_url']))
+
+            pep_counter += 1
+
+            if pep_counter == limit:
+                break
+
+    LOG.debug('Getting PEPs done')
+
+    return peps
+
+
+def sync(*, skip_finalized: bool = True, limit: int = None) -> dict[int, 'PEP']:
+    """Синхронизирует данные БД сайта с данными PEP из репозитория.
+
+    :param skip_finalized: Следует ли пропустить ПУПы, состояние которых уже не измениться.
+    :param limit: Максимальное количество PEP, которые следует обработать.
+
+    """
+    from ..models import PEP, Person, PersonsLinked, Version  # noqa: PLC0415
+
+    LOG.debug('Syncing PEPs ...')
+
+    map_statuses = {
+        'Draft': PEP.Status.DRAFT,
+        'Active': PEP.Status.ACTIVE,
+        'Withdrawn': PEP.Status.WITHDRAWN,
+        'Deferred': PEP.Status.DEFERRED,
+        'Rejected': PEP.Status.REJECTED,
+        'Accepted': PEP.Status.ACCEPTED,
+        'Final': PEP.Status.FINAL,
+        'Superseded': PEP.Status.SUPERSEDED,
+        'April Fool!': PEP.Status.FOOL,
+
+    }
+    map_types = {
+        'Process': PEP.Type.PROCESS,
+        'Standards Track': PEP.Type.STANDARD,
+        'Informational': PEP.Type.INFO,
+    }
+
+    exclude_peps = None
+
+    if skip_finalized:
+        exclude_peps = PEP.objects.filter(status__in=PEP.STATUSES_FINAL).values_list('slug', flat=True)
+
+    peps = get_peps(exclude_peps=exclude_peps, limit=limit)
+
+    known_peps: dict[int, PEP] = {pep.num: pep for pep in PEP.objects.all()}
+    known_versions = []
+
+    submitter_id = settings.ROBOT_USER_ID
+
+    for pep in peps:
+
+        num = pep.num
+        status_id = int(map_statuses.get(pep.status, 0))
+
+        if not status_id:
+            # Неизвестный статус. Например, Provisional.
+            LOG.warning('Unknown status %s ...', pep.status)
+            continue
+
+        type_id = int(map_types[pep.type])
+
+        LOG.info('Working on PEP %s ...', num)
+
+        if num in known_peps:
+
+            pep_model = known_peps[num]
+
+            if pep_model.status != status_id:
+                pep_model.status = status_id
+                pep_model.save(notify_published=False)
+
+                status_title = PEP.Status(status_id).label
+
+                msg = (
+                    f'PEP {pep_model.num} сменил статус на «{status_title}»\n'
+                    f'{pep_model.get_absolute_url(with_prefix=True)}'
+                )
+                sig_send_generic_telegram.send(None, text=msg)
+
+        else:
+            LOG.debug('PEP %s is new. Creating ...', num)
+
+            pep_model = PEP(
+                num=num,
+                title=pep.title,
+                description=pep.title,
+                status=status_id,
+                type=type_id,
+                time_published=pep.created or '2000-01-01',
+                submitter_id=submitter_id,
+            )
+            pep_model.save(notify_published=True)
+            known_peps[num] = pep_model
+
+        if pep.versions:
+            known_versions = known_versions or {v.title: v for v in Version.objects.all()}
+
+            # Регистрируем неизвестные сайту версии Питона, указанные в PEP.
+            for version in set(pep.versions).difference(known_versions):
+                known_versions[version] = Version.create_stub(version)
+
+            sync_many_to_many(pep, pep_model, 'versions', 'title', known_versions)
+
+    known_persons = Person.get_known_persons()
+
+    create_person = PersonsLinked.create_person
+
+    for pep in peps:
+        # Для правильного связывания необходимо, чтобы в БД уже были все известные PEP.
+        # В этом повторном проходе мы производим связывание.
+        pep_model = known_peps[pep.num]
+        sync_many_to_many(pep, pep_model, 'superseded', 'num', known_peps)
+        sync_many_to_many(pep, pep_model, 'replaces', 'num', known_peps)
+        sync_many_to_many(pep, pep_model, 'requires', 'num', known_peps)
+        sync_many_to_many(pep, pep_model, 'authors', 'name_en', known_persons, unknown_handler=create_person)
+
+    LOG.debug('Syncing PEPs done')
+
+    return known_peps
diff --git a/pythonz/apps/integration/pypistats.py b/pythonz/apps/integration/pypistats.py
new file mode 100644
index 00000000..d51f7900
--- /dev/null
+++ b/pythonz/apps/integration/pypistats.py
@@ -0,0 +1,26 @@
+from collections import defaultdict
+
+from .utils import get_json
+
+
+def get_for_package(name: str) -> dict[str, int]:
+    """Возвращает количество загрузок указанного пакета по месяцам
+    по данным pypistats.org.
+
+    https://pypistats.org/api/
+
+    :param name:
+
+    """
+    data = get_json(f'https://pypistats.org/api/packages/{name}/overall?mirrors=true')
+
+    if not data:
+        return {}
+
+    monthly = defaultdict(int)
+
+    for item in data.get('data', []):
+        month = item['date'].rsplit('-', 1)[0]
+        monthly[month] += item['downloads']
+
+    return monthly
diff --git a/pythonz/apps/integration/resources.py b/pythonz/apps/integration/resources.py
new file mode 100644
index 00000000..f19a872a
--- /dev/null
+++ b/pythonz/apps/integration/resources.py
@@ -0,0 +1,79 @@
+
+import feedparser
+
+from ..signals import sig_integration_failed
+from ..utils import get_logger
+
+if False:  # pragma: nocover
+    from ..generics.realms import RealmBase  # noqa
+
+LOG = get_logger(__name__)
+
+
+class PyDigestResource:
+    """Инструменты для получения данных со внешнего ресурса pythondigest.ru."""
+
+    mapping: dict[type['RealmBase'], tuple[str, ...]] = None
+
+    @classmethod
+    def get_mapping(cls) -> dict[type['RealmBase'], tuple[str, ...]]:
+        """Возвращает словарь соотношений классов областей псевдонимам разделов."""
+
+        if cls.mapping is None:
+            from ..realms import ArticleRealm, VideoRealm  # noqa: PLC0415
+
+            mapping = {
+                ArticleRealm: ('article',),
+                VideoRealm: ('video',),
+            }
+            cls.mapping = mapping
+
+        return cls.mapping
+
+    @classmethod
+    def fetch_entries(cls) -> list[dict]:
+        """Собирает данные (записи) со внешнего ресурса, соотнося их с разделами pythonz."""
+
+        base_url = 'http://pythondigest.ru/rss/'
+
+        mapping = cls.get_mapping()
+        if not mapping:
+            return []
+
+        results = []
+        known_links = []
+
+        for realm, aliases in mapping.items():
+            realm_name, _ = realm.get_names()
+
+            entries_max = 5
+            if len(aliases) > 1:
+                entries_max = 3
+
+            for alias in aliases:
+                url = f'{base_url}{alias}/'
+
+                try:
+                    parsed = feedparser.parse(url)
+
+                except Exception as e:
+                    LOG.exception('Fetch digest error')
+                    sig_integration_failed.send(None, description=f'URL {url}. Error: {e}')
+
+                else:
+
+                    # reverse - по степени свежести (более свежие в конце).
+                    for entry in reversed(parsed.entries[:entries_max]):
+                        link = entry.link
+                        if link in known_links:
+                            continue
+
+                        known_links.append(link)
+                        results.append({
+                            'realm_name': realm_name,
+                            'url': link,
+                            'title': entry.title,
+                            'description': entry.summary,
+                        })
+
+        return results
diff --git a/pythonz/apps/integration/summary/__init__.py b/pythonz/apps/integration/summary/__init__.py
new file mode 100644
index 00000000..5406eaf5
--- /dev/null
+++ b/pythonz/apps/integration/summary/__init__.py
@@ -0,0 +1,29 @@
+from .base import ItemsFetcherBase
+from .fetchers import (
+    Discuss,
+    GithubTrending,
+    Lwn,
+    MailarchAnnounce,
+    MailarchConferences,
+    MailarchIdeas,
+    Psf,
+)
+from .fetchers import (
+    Stackoverflow as Stackoverflow,
+)
+from .fetchers import (
+    StackoverflowRu as StackoverflowRu,
+)
+
+SUMMARY_FETCHERS: dict[str, type[ItemsFetcherBase]] = {fetcher.alias: fetcher for fetcher in [
+    MailarchAnnounce,
+    MailarchConferences,
+    MailarchIdeas,
+    Discuss,
+    Psf,
+    # Stackoverflow,  # 403 ошибка при получении csv
+    # StackoverflowRu,
+    GithubTrending,
+    Lwn,
+]}
+"""Сборщики сводок, индексированные псевдонимами."""
diff --git a/pythonz/apps/integration/summary/base.py b/pythonz/apps/integration/summary/base.py
new file mode 100644
index 00000000..a63e1282
--- /dev/null
+++ b/pythonz/apps/integration/summary/base.py
@@ -0,0 +1,313 @@
+import csv
+import json
+import re
+from dataclasses import asdict, dataclass
+from datetime import datetime, timedelta
+from io import StringIO
+from traceback import format_exc
+
+from django.utils import timezone
+
+from ...exceptions import LogicError
+from ...signals import sig_integration_failed
+from ...utils import get_datetime_from_till, get_logger
+from ..utils import get_from_url, make_soup
+
+LOG = get_logger(__name__)
+
+
+@dataclass(frozen=True)
+class SummaryItem:
+    """Элемент сводки."""
+
+    url: str
+    title: str
+    description: str = ''
+
+    def to_json(self) -> str:
+        """Представляет объект в виде json."""
+        return json.dumps(asdict(self))
+
+
+TypeFetcherResult = tuple[list[SummaryItem], list | dict] | None
+
+
+class ItemsFetcherBase:
+    """Базовый класс для сборщиков данных из внешних ресурсов."""
+
+    title: str = None
+    """Название сводки."""
+
+    alias: str = None
+    """Псевдоним сводки. Однажды установленный не должен оставаться неизменным."""
+
+    filter_cumulative: bool = False
+    """Режим для работы с ресурсами, данные которых кумулятивны 
+    (дополняются новые к имеющимся старым). В этом режиме все старые 
+    данные будут отсеяны и останется единственный результат.
+
+    """
+
+    filter_skip_unchanged: bool = False
+    """Режим, при котором элементы старого забора исключаются из нового, если
+    присутствуют в нём.
+
+    """
+
+    filter_hide_seen = False
+    """Убирать ли из представления элементы присутствующие и в предыдущем, и в текущем заборах."""
+
+    def __init__(self, *, previous_result: list | dict, previous_dt: datetime | None, **kwargs):
+        """
+
+        :param previous_result: Результат предыдущего забора данных.
+        :param previous_dt: Дата и время предыдущего забора данных.
+        :param kwargs:
+
+        """
+        assert not all((self.filter_cumulative, self.filter_skip_unchanged)), (
+            'Указаны взимоисключающие режимы фильтрации данных')
+
+        self.previous_result = previous_result or []
+        self.previous_dt = previous_dt or get_datetime_from_till(7)[0]
+
+    def run(self) -> TypeFetcherResult | None:
+        """Основной рабочий метод. Запускает сбор данных."""
+        fetcher_name = self.__class__.__name__
+
+        LOG.debug('Summary fetcher `%s` started ...', fetcher_name)
+
+        try:
+            fetched = self.fetch()
+
+            LOG.debug('... finished')
+
+            return fetched
+
+        except Exception as e:
+
+            sig_integration_failed.send(
+                None,
+                description=f'Summary fetcher `{fetcher_name}` error: {e} {format_exc()}')
+
+            LOG.exception('Summary fetcher `%s` failed', fetcher_name)
+
+        return None
+
+    def fetch(self) -> TypeFetcherResult:
+        """Забирает данные для последующей сборки в сводку.
+
+        Должен реализовываться наследниками.
+
+        Возвращает кортеж вида:
+            (список_SummaryItem, результ)
+
+            Результат используется для восставноления состояния забора
+            и будет передан в previous_result при следующем заборе данных.
+
+        """
+        raise NotImplementedError(f'`{self.__class__.__name__}` must implement .fetch()')  # pragma: nocover
+
+    def _filter(self, items: dict) -> tuple[list[SummaryItem], list | dict]:
+        """
+        :param items:
+
+        """
+        result_old = self.previous_result
+
+        flt_cumulative = self.filter_cumulative
+        flt_skip_unchanged = self.filter_skip_unchanged
+        flt_hide_seen = self.filter_hide_seen
+
+        idx_prev = -1
+
+        if result_old:
+
+            if flt_cumulative:
+
+                if len(result_old) > 1:
+                    raise LogicError(
+                        f'`{self.__class__}`fetcher uses `mode_cumulative` '
+                        'but `previous_result` contains more than one item.')
+
+                result_old = result_old[0]
+
+                try:
+                    idx_prev = list(items.keys()).index(result_old)
+
+                except ValueError:
+                    pass
+
+        result_new = []
+        by_title = {}
+
+        for idx_current, (key, summary_item) in enumerate(items.items()):
+
+            summary_item: SummaryItem
+
+            seen = key in result_old
+
+            if flt_cumulative and idx_current <= idx_prev:
+                continue
+
+            elif flt_skip_unchanged and seen:
+                continue
+
+            if not seen or not flt_hide_seen:
+                by_title.setdefault(summary_item.title, summary_item)
+
+            result_new.append(key)
+
+        if flt_cumulative:
+            # Необходима и достаточна только одна запись
+            result_new = result_new[-1:]
+
+        return list(by_title.values()), result_new
+
+
+class HyperKittyBase(ItemsFetcherBase):
+    """Базовый сборщик данных из архивов почтовых рассылок
+    HyperKitty (Mailman 3) с mail.python.org.
+
+    """
+    url_base: str = 'https://mail.python.org'
+
+    def __init__(
+            self,
+            *,
+            previous_result: list,
+            previous_dt: datetime | None,
+            till: datetime | None = None,
+            **kwargs
+    ):
+        self.till = till
+        super().__init__(previous_result=previous_result, previous_dt=previous_dt, **kwargs)
+
+    def get_url(self, *, date: datetime) -> str:
+        return f"{self.url_base}/archives/list/{self.alias}/{date.strftime('%Y/%m/%d/')}"
+
+    def fetch(self) -> TypeFetcherResult:
+
+        since = self.previous_dt
+        till = self.till or timezone.now()
+
+        if not since:
+            since = till
+
+        delta = till.date() - since.date()
+        target_dates = [till - timedelta(days=day_num) for day_num in range(delta.days)] or [till]
+
+        items = {}
+        url_base = self.url_base
+
+        for target_date in target_dates:
+            url = self.get_url(date=target_date)
+            response = get_from_url(url)
+            soup = make_soup(response.text)
+
+            for link in soup.select('.thread-title a'):
+                item_url = f"{url_base}{link.attrs['href']}"
+                item_title = link.text.strip()
+                items[item_url] = SummaryItem(url=item_url, title=item_title)
+
+        items, latest_result = self._filter(items)
+
+        return items, latest_result
+
+
+class PipermailBase(ItemsFetcherBase):
+    """Базовый сборщик данных из архивов почтовых рассылок pipermail с mail.python.org"""
+
+    filter_cumulative: bool = True
+
+    def get_url(self) -> str:
+        return f'https://mail.python.org/pipermail/{self.alias}/'
+
+    def __init__(self, *, previous_result: list, previous_dt: datetime | None, year_month: str = None, **kwargs):
+        self.year_month = year_month
+        super().__init__(previous_result=previous_result, previous_dt=previous_dt, **kwargs)
+
+    def fetch(self) -> TypeFetcherResult:
+
+        url = self.get_url()
+        year_month = self.year_month
+
+        details_page_file = '/date.html'
+
+        if not year_month:
+            page = get_from_url(url)
+
+            match = re.search(rf'="((\d{4}-[^/]+){details_page_file})"', page.text)
+
+            if not match:
+                sig_integration_failed.send(None, description=f'Subject page link not found at {url}')
+                return
+
+            year_month = match.group(2)
+
+        page = get_from_url(f'{url}{year_month}{details_page_file}')
+        soup = make_soup(page.text)
+
+        items = {}
+
+        prefix_re = re.compile(r'\[[^]]+\]\s*')
+
+        list_items = soup.select('ul')[1].select('li')
+
+        for list_item in list_items:
+            link = list_item.select('a')[0]
+            item_url = url + year_month + '/' + link.attrs['href']
+            item_title = link.text.strip()
+
+            # Отсекаем префикст рассылки вида `[Префикс] Тема`
+            item_title = prefix_re.sub('', item_title)
+
+            items[item_url] = SummaryItem(url=item_url, title=item_title)
+
+        items, latest_result = self._filter(items)
+
+        return items, latest_result
+
+
+class StackdataBase(ItemsFetcherBase):
+    """Базовый сборщик данных из data.stackexchange.com.
+    Данные обновляются каждое воскресенье.
+
+    """
+
+    site: str = None
+    domain: str = None
+    query_revision_id: int = None
+
+    def __init__(self, *, previous_result: list, previous_dt: datetime | None, top_count: int = 10, **kwargs):
+        self.top_count = top_count
+        super().__init__(previous_result=previous_result, previous_dt=previous_dt, **kwargs)
+
+    def get_url(self) -> str:
+        since = self.previous_dt.strftime('%Y%m%d')
+        url = (
+            f'http://data.stackexchange.com/{self.site}/csv/{self.query_revision_id}?'
+            f'top={self.top_count}&since={since}'
+        )
+        return url
+
+    def get_item_url(self, item_id: int) -> str:
+        return f'https://{self.domain}/questions/{item_id}/'
+
+    def fetch(self) -> TypeFetcherResult:
+        url = self.get_url()
+        response = get_from_url(url)
+
+        items = {}
+
+        reader = csv.DictReader(StringIO(response.text))
+
+        for row in reader:
+            item_id = row['id']
+            item_url = self.get_item_url(item_id)
+            item_title = row['Title']
+            items[item_id] = SummaryItem(item_url, item_title)
+
+        items, latest_result = self._filter(items)
+
+        return items, latest_result
diff --git a/pythonz/apps/integration/summary/fetchers.py b/pythonz/apps/integration/summary/fetchers.py
new file mode 100644
index 00000000..45049a0c
--- /dev/null
+++ b/pythonz/apps/integration/summary/fetchers.py
@@ -0,0 +1,234 @@
+from collections import defaultdict
+from datetime import datetime
+
+from lxml import etree as ET
+
+from ..utils import get_from_url, get_json, make_soup
+from .base import HyperKittyBase, ItemsFetcherBase, PipermailBase, StackdataBase, SummaryItem, TypeFetcherResult
+
+
+class MailarchAnnounce(HyperKittyBase):
+
+    title: str = 'Анонсы'
+    alias: str = 'python-announce-list@python.org'
+
+
+class MailarchConferences(PipermailBase):
+
+    title: str = 'Мероприятия'
+    alias: str = 'conferences'
+
+
+class MailarchIdeas(HyperKittyBase):
+
+    title: str = 'Идеи'
+    alias: str = 'python-ideas@python.org'
+
+
+class Stackoverflow(StackdataBase):
+
+    title: str = 'StackOverflow'
+    alias: str = 'stack-en'
+    site: str = 'stackoverflow'
+    domain: str = 'stackoverflow.com'
+    query_revision_id: int = 851710
+    """https://data.stackexchange.com/stackoverflow/query/682499/top-n-python-questions-since-x"""
+
+
+class StackoverflowRu(StackdataBase):
+
+    title: str = 'StackOverflow на русском'
+    alias: str = 'stack-ru'
+    site: str = 'ru'
+    domain: str = 'ru.stackoverflow.com'
+    query_revision_id: int = 851710
+
+
+class Discuss(ItemsFetcherBase):
+    """Получатель обсуждений от discuss.python.org."""
+
+    title: str = 'Обсуждения'
+    alias: str = 'discuss'
+
+    url_base: str = 'https://discuss.python.org'
+
+    def fetch(self) -> TypeFetcherResult:
+
+        url_digest = f'{self.url_base}/top/weekly.json'  # За неделю.
+        url_topic_prefix = f'{self.url_base}/t/'
+
+        items = {}
+        result = get_json(url_digest)
+
+        if not result:
+            return
+
+        for topic in result['topic_list']['topics']:
+            item_title = topic['title']
+            item_url = f"{url_topic_prefix}{topic['id']}"
+            items[item_url] = SummaryItem(url=item_url, title=item_title)
+
+        items, latest_result = self._filter(items)
+
+        return items, latest_result
+
+
+class Psf(ItemsFetcherBase):
+
+    title: str = 'Блог PSF'
+    alias: str = 'psf'
+
+    url_base: str = 'https://discuss.python.org'
+
+    filter_hide_seen = True
+
+    def fetch(self) -> TypeFetcherResult:
+
+        url_rss = 'https://pyfound.blogspot.com/feeds/posts/default'
+
+        items = {}
+        result = get_from_url(url_rss)
+        xml = ET.fromstring(result.content)
+
+        for entry in xml.findall('{http://www.w3.org/2005/Atom}entry'):
+            item_title = entry.find('{http://www.w3.org/2005/Atom}title').text.strip()
+            item_url = ''
+
+            for entry_url in entry.findall('{http://www.w3.org/2005/Atom}link'):
+                if entry_url.attrib['type'] == 'text/html':
+                    item_url = entry_url.attrib['href']
+
+            if item_url:
+                items[item_url] = SummaryItem(url=item_url, title=item_title)
+
+        items, latest_result = self._filter(items)
+
+        return items, latest_result
+
+
+class Lwn(ItemsFetcherBase):
+
+    title: str = 'Материалы от LWN'
+    alias: str = 'lwn'
+
+    url_base: str = 'https://lwn.net'
+
+    relevant_cats: dict = {
+        'EuroPython',
+        'PyCon',
+        'Python Language Summit',
+    }
+
+    def _filter(self, items: dict) -> tuple[list[SummaryItem], list | dict]:
+
+        previous_result = self.previous_result or {}
+        latest_result = {}
+        result = []
+
+        for category, category_items in items.items():
+            prev_latest_url = previous_result.get(category)
+
+            if prev_latest_url:
+                # Возможно найдётся новый материал в старой категории.
+                # Отсекаем ранее обработанные записи.
+                start_from = [item.url for item in category_items].index(prev_latest_url) + 1
+                result.extend(category_items[start_from:])
+
+            else:
+                # Новая категория.
+                result.extend(category_items)
+
+            latest_result[category] = category_items[-1].url
+
+        return result, latest_result
+
+    def fetch(self) -> TypeFetcherResult:
+
+        url_base = self.url_base
+
+        page = get_from_url(f'{url_base}/Archives/ConferenceIndex/')
+        soup = make_soup(page.text)
+
+        category = ''
+        relevant_cats = self.relevant_cats
+        by_category = defaultdict(list)
+
+        for paragraph in soup.select('p'):
+
+            css = paragraph.attrs.get('class')
+
+            if not css:
+                continue
+
+            css = css[0]
+
+            if css == 'IndexPrimary':
+                category = paragraph.select('a')[-1].text
+                continue
+
+            elif css == 'IndexEntry':
+                title, _, _ = paragraph.text.strip('\n )').rpartition('(')
+
+                is_relevant = category in relevant_cats
+                is_related = 'python' in title.lower()
+
+                if is_relevant or is_related:
+                    url = paragraph.select('a')[0].attrs['href']
+                    by_category[category].append(
+                        SummaryItem(url=f'{url_base}{url}', title=f'{category}: {title}'))
+
+        return self._filter(by_category)
+
+
+class GithubTrending(ItemsFetcherBase):
+    """Сборщик данных о наиболее популярных репозиториях на GitHub."""
+
+    title: str = 'Популярное на GitHub'
+    alias: str = 'github_trending'
+
+    url_base: str = 'https://github.com'
+
+    filter_skip_unchanged: bool = True
+
+    def __init__(self, *, previous_result: list, previous_dt: datetime | None, period=None, **kwargs):
+        """
+
+        :param previous_result:
+        :param period: weekly, daily, monthly
+        :param kwargs:
+
+        """
+        self.period = period or 'weekly'
+        super().__init__(previous_result=previous_result, previous_dt=previous_dt, **kwargs)
+
+    def fetch(self) -> TypeFetcherResult:
+        period = self.period
+
+        url_base = self.url_base
+        url = f'{url_base}/trending/python?since={period}&spoken_language_code='
+
+        page = get_from_url(url)
+        soup = make_soup(page.text)
+
+        items = {}
+
+        list_items = soup.select('article')
+
+        for list_item in list_items:
+
+            link = list_item.select('h2 a')[0]
+
+            item_url = f"{url_base}{link.attrs['href']}"
+            item_title = link.text.strip().replace('\n', '').replace(' ', '')
+
+            try:
+                item_description = list_item.select('p')[0].text.strip()
+
+            except IndexError:
+                item_description = ''
+
+            items[item_url] = SummaryItem(item_url, item_title, item_description)
+
+        items, latest_result = self._filter(items)
+
+        return items, latest_result
diff --git a/pythonz/apps/integration/telegram.py b/pythonz/apps/integration/telegram.py
new file mode 100644
index 00000000..5746918b
--- /dev/null
+++ b/pythonz/apps/integration/telegram.py
@@ -0,0 +1,237 @@
+from functools import lru_cache
+from pathlib import Path
+from typing import TYPE_CHECKING, Union
+
+import telebot
+from bleach import clean
+from django.conf import settings
+from django.http import HttpRequest
+from telebot.types import InlineKeyboardButton, InlineKeyboardMarkup, InlineQuery, Message
+
+from ..models import PEP, Reference
+from ..utils import get_logger, truncate_chars
+from ..zen import ZEN
+
+if TYPE_CHECKING:
+    from ..generics.models import CommonEntityModel, RealmBaseModel
+
+LOGGER = get_logger('telebot')
+
+
+socks_proxy = settings.SOCKS5_PROXY
+
+if socks_proxy:
+    telebot.apihelper.proxy = {'https': f'socks5://{socks_proxy}'}
+
+
+bot = telebot.TeleBot(settings.TELEGRAM_BOT_TOKEN, threaded=False)
+
+
+def get_webhook_url() -> str:
+    """Возвращает webhook URL."""
+    return f"{settings.SITE_URL.replace('http', 'https')}/{settings.TELEGRAM_BOT_URL}/"
+
+
+def set_webhook() -> dict:
+    """Конфигурирует механизм webhook."""
+
+    certificate = None
+
+    if settings.PATH_CERTIFICATE and settings.CERTIFICATE_SELF_SIGNED:
+        certificate = Path.open(settings.PATH_CERTIFICATE)
+
+    bot.remove_webhook()
+
+    return bot.set_webhook(get_webhook_url(), certificate)
+
+
+def handle_request(request: HttpRequest):
+    """Обрабатывает обращения к URL для Webhook.
+
+    :param request:
+
+    """
+    if not request.body:
+        LOGGER.debug('No data supplied.')
+        return
+
+    update = telebot.types.Update.de_json(request.body.decode('utf8'))
+
+    message = update.message
+    inline_query = update.inline_query
+
+    if message:
+        LOGGER.debug('Got simple message.')
+        bot.process_new_messages([update.message])
+
+    elif inline_query:
+        LOGGER.debug('Got inline message.')
+        bot.process_new_inline_query([inline_query])
+
+
+@bot.message_handler(commands=['start'])
+def on_start(message: Message):
+    """Ответ на команду /start.
+
+    :param message:
+
+    """
+    LOGGER.debug('Got /start command.')
+    bot.reply_to(
+        message, f'Рад знакомству, {message.from_user.first_name}.\nЧтобы получить справку, наберите команду /help.')
+
+
+@bot.message_handler(commands=['chat_id'])
+def on_chat_id(message: Message):
+    """Ответ на команду /chat_id.
+
+    :param message:
+
+    """
+    LOGGER.debug('Got /chat_id command.')
+    bot.reply_to(message, f'Идентификатор этого чата: {message.chat.id}')
+
+
+@bot.message_handler(commands=['help'])
+def on_help(message: Message):
+    """Ответ на команду /help.
+
+    :param message:
+
+    """
+    LOGGER.debug('Got /help command.')
+    bot.reply_to(
+        message,
+        'Я рассылаю новости сайта pythonz.net на канале https://telegram.me/pythonz.\n'
+        'Кроме этого, вы можете вызвать меня в любом чате, чтобы получить ссылку на статью справочника.\n'
+        'Пример: @pythonz_bot split')
+
+
+@lru_cache(maxsize=2)
+def get_inline_zen() -> list:
+    """Возвращает список цитат из дзена питона."""
+    results = []
+
+    for idx, (zen_en, zen_ru) in enumerate(ZEN, 1):
+        zen_en = clean(zen_en, tags=[], strip=True)
+        zen_ru = clean(zen_ru, tags=[], strip=True)
+        results.append(
+            telebot.types.InlineQueryResultArticle(
+                f'zen{idx}',
+                f'{idx}. {zen_ru}',
+                telebot.types.InputTextMessageContent(f'{idx}. {zen_en} — {zen_ru}'),
+                description=zen_en
+            ))
+
+    return results
+
+
+def compose_entities_inline_result(entities: list[Union['RealmBaseModel', 'CommonEntityModel']]) -> list:
+    """Возвращает список сущностей для вывода в качестве встрочных результатов поиска ботом.
+
+    :param entities:
+
+    """
+    results = []
+
+    for entity in entities:
+
+        title = str(entity)
+        # Усечение чтобы уложиться в 64 Кб на одно сообщение
+        # иначе, по словам техподдержки, получаем HTTP 414 Request-URI Too Large
+        description = truncate_chars(entity.description, 30)
+
+        results.append(
+            telebot.types.InlineQueryResultArticle(
+                str(entity.id),
+                title,
+                telebot.types.InputTextMessageContent(f'{title} — {entity.get_absolute_url(with_prefix=True)}'),
+                description=description
+            ))
+
+    return results
+
+
+@lru_cache(maxsize=64)
+def get_inline_reference(term: str, items_limit: int = 25) -> list:
+    """Возвращает статьи справочника.
+
+    :param term: Текст запроса
+    :param items_limit: Максимальное кол-во элементов для получения.
+
+    """
+    return compose_entities_inline_result(Reference.find(term[:200])[:items_limit])
+
+
+@lru_cache(maxsize=20)
+def get_inline_pep(term: str, items_limit: int = 10) -> list:
+    """Возвращает ссылки на PEP.
+
+    :param term: Текст запроса
+    :param items_limit: Максимальное кол-во элементов для получения.
+
+    """
+    return compose_entities_inline_result(PEP.find(term[:200])[:items_limit])
+
+
+@lru_cache(maxsize=2)
+def get_inline_no_query() -> list:
+    """Возвращает ответ на пустую строку запроса."""
+    markup = InlineKeyboardMarkup()
+    markup.row(InlineKeyboardButton('Бота в другой чат', switch_inline_query=''))
+    markup.row(
+        InlineKeyboardButton('Дзен', switch_inline_query_current_chat='zen '),
+        InlineKeyboardButton('Поиск PEP', switch_inline_query_current_chat='pep '),
+    )
+    markup.row(
+        InlineKeyboardButton('На pythonz.net', url='http://pythonz.net/'),
+    )
+
+    results = [
+        telebot.types.InlineQueryResultArticle(
+            'index',
+            'Пульт управления роботом',
+            telebot.types.InputTextMessageContent(
+                'Нажимайте на кнопки, расположенные ниже, — получайте результат.'),
+            description='Нажмите сюда, чтобы вызвать пульт.',
+            reply_markup=markup,
+        )
+    ]
+    return results
+
+
+@bot.inline_handler(lambda query: True)
+def query_text(inline_query: InlineQuery):
+    """Ответ на запрос при вызове бота из чатов.
+
+    :param inline_query:
+
+    """
+    term = inline_query.query.strip()
+
+    if term:
+        if term.startswith('zen'):
+            results = get_inline_zen()
+
+        elif term.startswith('pep'):
+            results = get_inline_pep(term.replace('pep', '', 1).strip())
+
+        else:
+            results = get_inline_reference(term)
+
+    else:
+        results = get_inline_no_query()
+
+    LOGGER.debug('Answering inline.')
+    bot.answer_inline_query(inline_query.id, results)
+
+
+#@bot.message_handler(func=lambda message: True)
+def echo_message(message: Message):
+    """Ответ на неподдерживаемое сообщение.
+
+    :param message:
+
+    """
+    LOGGER.debug('Got unhandled message.')
+    bot.reply_to(message, f'{message.text}? Не знаю, что вам на это ответить.')
diff --git a/pythonz/apps/integration/utils.py b/pythonz/apps/integration/utils.py
new file mode 100644
index 00000000..dcced99e
--- /dev/null
+++ b/pythonz/apps/integration/utils.py
@@ -0,0 +1,322 @@
+from collections.abc import Callable
+from concurrent.futures import as_completed
+from concurrent.futures.thread import ThreadPoolExecutor
+from pathlib import Path
+from typing import TYPE_CHECKING, NamedTuple
+
+import requests
+from bs4 import BeautifulSoup
+from django.conf import settings
+from django.core.cache import cache
+from django.core.files.base import ContentFile
+from django.db.models.fields.files import ImageFieldFile
+from django.utils import timezone
+from PIL import Image, UnidentifiedImageError
+from requests import Response
+
+from ..signals import sig_integration_failed
+from ..utils import get_logger, truncate_chars, truncate_words
+
+if TYPE_CHECKING:
+    from ..generics.realms import RealmBase
+
+
+LOG = get_logger(__name__)
+
+class PageInfo(NamedTuple):
+    title: str
+    description: str
+    site_name: str
+    images: list[ImageFieldFile]
+
+
+def get_page_info(url: str, timeout: int = 4) -> PageInfo | None:
+    """Возвращает информацию о странице, расположенной
+    по указанному адресу, либо None.
+
+    :param url:
+    :param timeout: Таймаут на подключение.
+
+    """
+    return None
+
+
+def get_from_url(url: str, *, method: str = 'get', **kwargs) -> Response:
+    """Возвращает объект ответа requests с указанного URL.
+    
+    По умолчанию запрос производится методом GET.
+    
+    :param url:
+    :param method: get, post
+
+    """
+    r_kwargs = {
+        'allow_redirects': True,
+        'headers': {'User-agent': settings.USER_AGENT},
+        'timeout': 15,
+    }
+    r_kwargs.update(kwargs)
+
+    method = getattr(requests, method)
+
+    return method(url, **r_kwargs)
+
+
+def get_json(url: str, *, return_none_statuses: set[int] = None, silent_statuses: set[int] = None) -> dict:
+    """Возвращает словарь, созданный из JSON документа, полученного
+    с указанного URL.
+
+    :param url:
+    :param return_none_statuses: Коды статусов, для которых требуется вернуть None.
+    :param silent_statuses: Коды статусов, для которых не требуется рассылать оповещения об ошибках.
+
+    """
+    return_none_statuses = return_none_statuses or set()
+    silent_statuses = silent_statuses or set()
+    result = {}
+
+    try:
+        response = get_from_url(url)
+        response.raise_for_status()
+
+    except requests.exceptions.RequestException as e:
+
+        status = getattr(e.response, 'status_code', 0)
+
+        if status in return_none_statuses:
+            return {}
+
+        elif status != 503 and status not in silent_statuses:
+            # Temporary Unavailable. В следующий раз получится.
+            sig_integration_failed.send(None, description=f'URL {url}.\nError: {e}')
+
+    else:
+
+        try:
+            result = response.json()
+
+        except ValueError:
+            pass
+
+    return result
+
+
+def get_image_from_url(url: str) -> ContentFile | None:
+    """Забирает изображение с указанного URL.
+
+    :param url:
+
+    """
+    response = requests.get(url)
+    content = response.content
+
+    if response.status_code != 200 or not content:
+        return None
+
+    return ContentFile(content, url.rstrip('/').rsplit('/', 1)[-1])
+
+
+def scrape_page(url: str) -> dict:
+    """Возвращает словарь с данными о странице, либо None в случае ошибок.
+
+    Словарь вида:
+        {'title': '...', 'content_more': '...', 'content_less': '...', ...}
+
+    :param url:
+
+    """
+    # Функция использовала ныне недоступный Rich Content API от Яндекса для получения данных о странице.
+    # Если функциональность будет востребована, нужно будет перевести на использование догого механизма.
+    result = {}
+
+    # todo Быть может перейти на get_page_info().
+
+    if 'content' not in result:
+        return {}
+
+    content = result['content']
+    result['content_less'] = truncate_words(content, 30)
+    result['content_more'] = truncate_chars(content, 900).replace('\n', '\n\n')
+
+    return result
+
+
+def make_soup(page: str) -> BeautifulSoup:
+    """Возвращает объект BeautifulSoup, либо None для указанного URL.
+
+    :param page:
+
+    """
+    return BeautifulSoup(page, 'lxml')
+
+
+def get_thumb_url(
+        realm: 'RealmBase',
+        image: ImageFieldFile,
+        width: int,
+        height: int,
+        *,
+        absolute_url: bool = False
+) -> str:
+    """Создаёт на лету уменьшенную копию указанного изображения.
+
+    :param realm:
+    :param image:
+    :param width:
+    :param height:
+    :param absolute_url:
+
+    """
+    base_path = Path('img') / realm.name_plural / 'thumbs' / f'{width}x{height}'
+
+    try:
+        thumb_file_base = base_path / Path(image.path).name
+
+    except (ValueError, AttributeError):
+        return ''
+
+    cache_key = f'thumbs|{thumb_file_base}|{absolute_url}'
+
+    url = cache.get(cache_key)
+
+    if url is None:
+
+        media_root = Path(settings.MEDIA_ROOT)
+        thumb_file = media_root / thumb_file_base
+
+        if not thumb_file.exists():
+
+            (media_root / base_path).mkdir(mode=0o755, parents=True, exist_ok=True)
+
+            try:
+                img = Image.open(image)
+
+            except UnidentifiedImageError:
+                # сбойное изображение
+                image.delete()
+                return ''
+
+            else:
+                img.thumbnail((width, height), Image.Resampling.LANCZOS)
+                img.convert('RGB').save(f'{thumb_file}', format=img.format.lower())
+
+        url = Path(settings.MEDIA_URL) / thumb_file_base
+        url = f'{url}'
+
+        if absolute_url:
+            url = f'{settings.SITE_URL}{url}'
+
+        cache.set(cache_key, url, 86400)
+
+    return url
+
+
+def get_timezone_name(lat: str, lng: str) -> str | None:
+    """Возвращает имя часового пояса по геокоординатам, либо None.
+    Использует Сервис Google Time Zone API.
+
+    :param lat: широта
+    :param lng: долгота
+
+    """
+    url = (
+        'https://maps.googleapis.com/maps/api/timezone/json?'
+        f'location={lat},{lng}&timestamp={timezone.now().timestamp()}&key={settings.GOOGLE_API_KEY}'
+    )
+
+    try:
+        result = requests.get(url)
+        doc = result.json()
+        tz_name = doc['timeZoneId']
+
+    except Exception:
+        LOG.exception('Timezone calc error')
+        return None
+
+    return tz_name
+
+
+def get_location_data(location_name: str) -> dict:
+    """Возвращает геоданные об объекте по его имени, либо None.
+    Использует API Яндекс.Карт.
+
+    :param location_name:
+
+    """
+    url = 'https://geocode-maps.yandex.ru/1.x/'
+
+    try:
+        result = requests.get(url, params={
+            'results': 1,
+            'format': 'json',
+            'geocode': location_name,
+            'apikey': settings.YANDEX_GEOCODER_KEY,
+        })
+        doc = result.json()
+
+    except Exception:
+        LOG.exception('Location find error')
+        return {}
+
+    response = doc.get('response')
+    if not response:
+        return {}
+
+    collection = response['GeoObjectCollection']
+    found = collection['metaDataProperty']['GeocoderResponseMetaData']['found']
+
+    if not int(found):
+        return {}
+
+    object_dict = collection['featureMember'][0]['GeoObject']
+    object_bounds_dict = object_dict['boundedBy']['Envelope']
+    object_metadata_dict = object_dict['metaDataProperty']['GeocoderMetaData']
+
+    location_data = {
+        'requested_name': location_name,
+        'type': object_metadata_dict['kind'],
+        'name': object_metadata_dict['text'],
+        'country': object_metadata_dict['AddressDetails']['Country']['CountryName'],
+        'pos': ','.join(reversed(object_dict['Point']['pos'].split(' '))),
+        'bounds': f"{object_bounds_dict['lowerCorner']}|{object_bounds_dict['upperCorner']}",
+    }
+
+    return location_data
+
+
+def run_threads(items: list | set, func: Callable, *, thread_num: int = None) -> dict[str, PageInfo | None]:
+    """Возвращает результаты обработки в нитях указанной функцией указанных элементов.
+
+    :param items: Элементы для обработки.
+
+    :param func: Функция для вызова.
+
+    :param thread_num: Количество нитей для забора данных.
+        Если не указано, то будет создано нитей по количеству элементов,
+        но не более определённого числа.
+
+    """
+    result = {}
+
+    if not thread_num:
+        max_auto_threads = 12
+
+        thread_num = len(items)
+
+        if thread_num > max_auto_threads:
+            thread_num = max_auto_threads
+
+    if not thread_num:
+        return result
+
+    with ThreadPoolExecutor(max_workers=thread_num) as executor:
+
+        task_to_item = {
+            executor.submit(func, item): item
+            for item in items}
+
+        for task in as_completed(task_to_item):
+            item = task_to_item[task]
+            result[item] = task.result()
+
+    return result
diff --git a/pythonz/apps/integration/vacancies.py b/pythonz/apps/integration/vacancies.py
new file mode 100644
index 00000000..5c64b402
--- /dev/null
+++ b/pythonz/apps/integration/vacancies.py
@@ -0,0 +1,86 @@
+
+from django.utils.dateparse import parse_datetime
+
+from .base import RemoteSource
+from .utils import get_json
+
+
+class VacancySource(RemoteSource):
+    """База для источников вакансий."""
+
+    realm: str = 'vacancy'
+
+    @classmethod
+    def get_status(cls, url: str) -> dict:
+        raise NotImplementedError  # pragma: nocover
+
+
+class HhVacancy(VacancySource):
+    """Объединяет инструменты для работы с вакансиями с hh.ru."""
+
+    alias: str = 'hh'
+    title: str = 'hh.ru'
+
+    @classmethod
+    def get_status(cls, url: str) -> dict:
+        """Возвращает состояние вакансии по указанному URL.
+
+        :param url:
+
+        """
+        response = get_json(url, return_none_statuses={404}, silent_statuses={403})
+
+        if not response:
+            return response
+
+        return response['archived']
+
+    def fetch_list(self) -> list[dict]:
+        """Возвращает словарь с данными вакансий, полученный из внешнего
+        источника.
+
+        """
+        base_url = 'https://api.hh.ru/vacancies/'
+        query = 'search_field=name&per_page=100&order_by=publication_time&period=1&text=python'
+        response = get_json(f'{base_url}?{query}')
+
+        if 'items' not in response:
+            return []
+
+        results = []
+
+        for item in response['items']:
+
+            if item['archived']:
+                continue
+
+            salary_from = salary_till = salary_currency = ''
+
+            if item['salary']:
+                salary = item['salary']
+                salary_from = salary['from']
+                salary_till = salary['to']
+                salary_currency = salary['currency']
+
+            employer = item['employer']
+            url_logo = employer.get('logo_urls')
+
+            if url_logo:
+                url_logo = url_logo.get('90')
+
+            results.append({
+                'src_id': item['id'],
+                'src_place_name': item['area']['name'],
+                'src_place_id': item['area']['id'],
+                'title': item['name'],
+                'url': item['alternate_url'],
+                'url_api': item['url'],
+                'url_logo': url_logo,
+                'employer_name': employer['name'],
+                'salary_from': salary_from or None,
+                'salary_till': salary_till or None,
+                'salary_currency': salary_currency,
+                'time_published': parse_datetime(item['published_at']),
+            })
+
+        return results
diff --git a/pythonz/apps/integration/videos.py b/pythonz/apps/integration/videos.py
new file mode 100644
index 00000000..dbb7b475
--- /dev/null
+++ b/pythonz/apps/integration/videos.py
@@ -0,0 +1,100 @@
+
+from ..exceptions import RemoteSourceError
+
+
+class VideoBroker:
+
+    EMBED_WIDTH: int = 560
+    EMBED_HEIGHT: int = 315
+
+    hostings: dict[str, tuple[str, ...]] = {
+        'Vimeo': ('vimeo.com', 'vimeo'),
+        'YouTube': ('youtu', 'youtube'),
+    }
+    hostings = dict(sorted(hostings.items(), key=lambda k: k[0]))
+
+    @classmethod
+    def get_data_from_vimeo(cls, url: str) -> tuple[str, str]:
+
+        from ..integration.utils import get_json  # noqa: PLC0415
+
+        if 'vimeo.com' not in url:  # http://vimeo.com/{id}
+            raise RemoteSourceError(f'Не удалось обнаружить ID видео в URL `{url}`')
+
+        video_id = url.rsplit('/', 1)[-1]
+
+        embed_code = (
+            f'<iframe src="//player.vimeo.com/video/{video_id}?byline=0&amp;portrait=0&amp;color=ffffff" '
+            f'width="{cls.EMBED_WIDTH}" height="{cls.EMBED_HEIGHT}" frameborder="0" '
+            'webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>')
+
+        json = get_json(f'http://vimeo.com/api/v2/video/{video_id}.json')
+        cover_url = json[0]['thumbnail_small']
+
+        return embed_code, cover_url
+
+    @classmethod
+    def get_data_from_youtube(cls, url: str) -> tuple[str, str]:
+
+        if 'youtu.be' in url:  # http://youtu.be/{id}
+            video_id = url.rsplit('/', 1)[-1]
+
+        elif 'watch?v=' in url:  # http://www.youtube.com/watch?v={id}
+            video_id = url.rsplit('v=', 1)[-1]
+
+        else:
+            raise RemoteSourceError(f'Не удалось обнаружить ID видео в URL `{url}`')
+
+        cover_url = f"http://img.youtube.com/vi/{video_id.split('?', 1)[0]}/default.jpg"
+
+        if '?' in video_id:
+            video_id += '&'
+
+        else:
+            video_id += '?'
+
+        video_id = video_id.replace('t=', 'start=') + 'rel=0'
+
+        embed_code = (
+            f'<iframe src="//www.youtube.com/embed/{video_id}" '
+            f'width="{cls.EMBED_WIDTH}" height="{cls.EMBED_HEIGHT}" frameborder="0" allowfullscreen>'
+            '</iframe>')
+
+        return embed_code, cover_url
+
+    @classmethod
+    def get_hosting_for_url(cls, url: str) -> str:
+        hosting = ''
+
+        for data in cls.hostings.values():
+            search_str, hid = data
+
+            if search_str in url:
+                hosting = hid
+                break
+
+        return hosting
+
+    @classmethod
+    def get_code_and_cover(cls, url: str, *, wrap_responsive: bool = False) -> tuple[str, str]:
+
+        url = url.rstrip('/')
+        hid = cls.get_hosting_for_url(url)
+
+        msg = f'Не удалось обнаружить обработчик для указанного URL `{url}`'
+
+        if not hid:
+            raise RemoteSourceError(msg)
+
+        method_name = f'get_data_from_{hid}'
+        method = getattr(cls, method_name, None)
+
+        if method is None:
+            raise RemoteSourceError(msg)
+
+        embed_code, cover_url = method(url)
+
+        if wrap_responsive:
+            embed_code = f'<div class="embed-responsive embed-responsive-16by9">{embed_code}</div>'
+
+        return embed_code, cover_url
diff --git a/apps/management/__init__.py b/pythonz/apps/management/__init__.py
similarity index 100%
rename from apps/management/__init__.py
rename to pythonz/apps/management/__init__.py
diff --git a/apps/management/commands/__init__.py b/pythonz/apps/management/commands/__init__.py
similarity index 100%
rename from apps/management/commands/__init__.py
rename to pythonz/apps/management/commands/__init__.py
diff --git a/pythonz/apps/management/commands/clean_missing_refs.py b/pythonz/apps/management/commands/clean_missing_refs.py
new file mode 100644
index 00000000..4949b5d2
--- /dev/null
+++ b/pythonz/apps/management/commands/clean_missing_refs.py
@@ -0,0 +1,19 @@
+from django.core.management.base import BaseCommand
+
+from ...commands import clean_missing_refs
+from ...utils import get_logger
+
+LOG = get_logger(__name__)
+
+
+class Command(BaseCommand):
+
+    help = 'Removes stale reference misses.'
+
+    def handle(self, *args, **options):
+
+        LOG.info('Cleaning reference misses ...')
+
+        clean_missing_refs()
+
+        LOG.info('Done')
diff --git a/pythonz/apps/management/commands/create_digest.py b/pythonz/apps/management/commands/create_digest.py
new file mode 100644
index 00000000..b3edf414
--- /dev/null
+++ b/pythonz/apps/management/commands/create_digest.py
@@ -0,0 +1,16 @@
+from django.core.management.base import BaseCommand
+
+from ...sitemessages import PythonzEmailDigest
+
+
+class Command(BaseCommand):
+
+    help = 'Creates dispatches for pythonz weekly digest.'
+
+    def handle(self, *args, **options):
+
+        self.stdout.write('Creating pythonz digest...\n')
+
+        PythonzEmailDigest.create()
+
+        self.stdout.write('Digest is created.\n')
diff --git a/pythonz/apps/management/commands/create_summary.py b/pythonz/apps/management/commands/create_summary.py
new file mode 100644
index 00000000..1c4df919
--- /dev/null
+++ b/pythonz/apps/management/commands/create_summary.py
@@ -0,0 +1,14 @@
+from django.core.management.base import BaseCommand
+
+from ...models import Summary
+
+
+class Command(BaseCommand):
+
+    help = 'Creates summary article using data from external sources.'
+
+    def handle(self, *args, **options):
+
+        self.stdout.write('Creating summary ...\n')
+        Summary.create_article()
+        self.stdout.write('Summary is created.\n')
diff --git a/apps/management/commands/generate_slugs.py b/pythonz/apps/management/commands/generate_slugs.py
similarity index 63%
rename from apps/management/commands/generate_slugs.py
rename to pythonz/apps/management/commands/generate_slugs.py
index df58d2f5..f79ab0dd 100644
--- a/apps/management/commands/generate_slugs.py
+++ b/pythonz/apps/management/commands/generate_slugs.py
@@ -8,21 +8,22 @@ class Command(BaseCommand):
     help = 'Generates slugs for given realm model'
     args = '[realm_name realm_name ...]'
 
-    def handle(self, *realm_names, **options):
+    def handle(self, *realm_names: str, **options):
 
         self.stdout.write('Starting slugs generation ...\n')
 
         for realm_name in realm_names:
 
             realm = get_realm(realm_name)
+
             if realm is None:
-                self.stderr.write(self.style.ERROR('Unknown realm: %s\n' % realm_name))
+                self.stderr.write(self.style.ERROR(f'Unknown realm: {realm_name}\n'))
 
             else:
                 model_cls = realm.model
-                if hasattr(model_cls, 'autogenerate_slug'):
+                if hasattr(model_cls, 'slug_auto'):
 
-                    self.stdout.write('Processing %s model ...\n' % model_cls.__name__)
+                    self.stdout.write(f'Processing {model_cls.__name__} model ...\n')
 
                     realm_iface = hasattr(model_cls, 'mark_unmodified')
                     for obj in model_cls.objects.all():
@@ -30,10 +31,10 @@ def handle(self, *realm_names, **options):
                         if realm_iface:
                             obj.mark_unmodified()
 
-                        self.stdout.write('Processing %s ...\n' % obj)
+                        self.stdout.write(f'Processing {obj} ...\n')
                         obj.save()
 
                 else:
-                    self.stderr.write(self.style.ERROR('%s has no slug support.\n'))
+                    self.stderr.write(self.style.ERROR(f'{model_cls} has no slug support.\n'))
 
         self.stdout.write('All is done.\n')
diff --git a/pythonz/apps/management/commands/merge_persons.py b/pythonz/apps/management/commands/merge_persons.py
new file mode 100644
index 00000000..9536424c
--- /dev/null
+++ b/pythonz/apps/management/commands/merge_persons.py
@@ -0,0 +1,32 @@
+from django.core.management.base import BaseCommand
+
+from ...models import PEP, Person
+from ...utils import get_logger
+
+LOG = get_logger(__name__)
+
+
+class Command(BaseCommand):
+
+    help = 'Merges the first persons into second. Deletes the first.'
+    args = '[stale_person_id target_person_id]'
+
+    def add_arguments(self, parser):
+        parser.add_argument('stale_person_id')
+        parser.add_argument('target_person_id')
+
+    def handle(self, stale_person_id: int, target_person_id: int, **options):
+
+        LOG.info('Merging person %s into %s ...', stale_person_id, target_person_id)
+
+        # Person exists sanity check
+        Person.objects.get(pk=target_person_id)
+        stale_person = Person.objects.get(pk=stale_person_id)
+
+        # PEP authorship
+        linker_model = PEP.authors.through
+        linker_model.objects.filter(person_id=stale_person_id).update(person_id=target_person_id)
+
+        stale_person.delete()
+
+        LOG.info('Merging persons done')
diff --git a/pythonz/apps/management/commands/publish_postponed.py b/pythonz/apps/management/commands/publish_postponed.py
new file mode 100644
index 00000000..224300fc
--- /dev/null
+++ b/pythonz/apps/management/commands/publish_postponed.py
@@ -0,0 +1,16 @@
+from django.core.management.base import BaseCommand
+
+from ...commands import publish_postponed
+
+
+class Command(BaseCommand):
+
+    help = 'Publishes posponed materials'
+
+    def handle(self, *realm_names, **options):
+
+        self.stdout.write('Postponed publishing started ...\n')
+
+        publish_postponed()
+
+        self.stdout.write('Postponed publishing finished.\n')
diff --git a/pythonz/apps/management/commands/recompile_texts.py b/pythonz/apps/management/commands/recompile_texts.py
new file mode 100644
index 00000000..590cb2c2
--- /dev/null
+++ b/pythonz/apps/management/commands/recompile_texts.py
@@ -0,0 +1,31 @@
+from django.core.management.base import BaseCommand
+
+from ...models import Article, Community, Discussion, Event, Person, Reference, Version
+
+
+class Command(BaseCommand):
+
+    help = 'Recompiles rst-like texts into html.'
+
+    def handle(self, *args, **options):
+
+        self.stdout.write('Recompiling texts ...\n')
+
+        models = [
+            Discussion,
+            Community,
+            Article,
+            Version,
+            Reference,
+            Event,
+            Person,
+        ]
+
+        for model in models:
+
+            for item in model.objects.all():
+                item.text_src = item.text_src.rstrip('-_')
+                item.mark_unmodified()
+                item.save()
+
+        self.stdout.write('Texts recompiled.\n')
diff --git a/pythonz/apps/management/commands/set_telegram_webhook.py b/pythonz/apps/management/commands/set_telegram_webhook.py
new file mode 100644
index 00000000..bab6b9d1
--- /dev/null
+++ b/pythonz/apps/management/commands/set_telegram_webhook.py
@@ -0,0 +1,20 @@
+from django.conf import settings
+from django.core.management.base import BaseCommand
+
+from ...integration.telegram import get_webhook_url, set_webhook
+
+
+class Command(BaseCommand):
+
+    help = 'Registers a webhook URL from Telegram Bot'
+
+    def handle(self, *args, **options):
+
+        self.stdout.write(f'Registering a webhook at {get_webhook_url()} ...')
+
+        self_signed = settings.PATH_CERTIFICATE and settings.CERTIFICATE_SELF_SIGNED
+        self.stdout.write(f"Using a self-signed certificate: {'TRUE' if self_signed else 'FALSE'}")
+
+        set_webhook()
+
+        self.stdout.write('All is done.\n')
diff --git a/pythonz/apps/management/commands/sync_pep_authors.py b/pythonz/apps/management/commands/sync_pep_authors.py
new file mode 100644
index 00000000..ea835d1f
--- /dev/null
+++ b/pythonz/apps/management/commands/sync_pep_authors.py
@@ -0,0 +1,19 @@
+from django.core.management.base import BaseCommand
+
+from ...integration.peps import sync
+from ...utils import get_logger
+
+LOG = get_logger(__name__)
+
+
+class Command(BaseCommand):
+
+    help = 'Updates persons from PEP authors'
+
+    def handle(self, *args, **options):
+
+        LOG.info('Updating persons ...')
+
+        sync(skip_finalized=False)
+
+        LOG.info('Updating persons done')
diff --git a/pythonz/apps/management/commands/sync_peps.py b/pythonz/apps/management/commands/sync_peps.py
new file mode 100644
index 00000000..3dca5410
--- /dev/null
+++ b/pythonz/apps/management/commands/sync_peps.py
@@ -0,0 +1,21 @@
+from django.conf import settings
+from django.core.management.base import BaseCommand
+
+from ...models import PEP
+
+#  PEP.sync_from_repository() может вызывать систему оповещений,
+# для которой необходимо, чтобы работала reverse(). Подгружаем данные о доступных URL.
+__import__(settings.ROOT_URLCONF)
+
+
+class Command(BaseCommand):
+
+    help = 'Updates local PEPs data using remote repository'
+
+    def handle(self, *realm_names, **options):
+
+        self.stdout.write('Starting PEP update ...\n')
+
+        PEP.sync_from_repository()
+
+        self.stdout.write('PEP update is done.\n')
diff --git a/pythonz/apps/management/commands/sync_realms_persons.py b/pythonz/apps/management/commands/sync_realms_persons.py
new file mode 100644
index 00000000..8635d18f
--- /dev/null
+++ b/pythonz/apps/management/commands/sync_realms_persons.py
@@ -0,0 +1,26 @@
+
+from django.core.management.base import BaseCommand
+
+from ...models import Book, Person, Video
+from ...utils import get_logger
+
+LOG = get_logger(__name__)
+
+
+class Command(BaseCommand):
+
+    help = 'Links realms entities to person profiles.'
+
+    def handle(self, *args, **options):
+
+        LOG.info('Linking to persons ...')
+
+        known_persons = Person.get_known_persons()
+
+        for model_cls in (Video, Book):
+
+            for item in model_cls.objects.all():
+                item: Video | Book
+                item.sync_persons_fields(known_persons)
+
+        LOG.info('Linking to persons done')
diff --git a/pythonz/apps/management/commands/update_events.py b/pythonz/apps/management/commands/update_events.py
new file mode 100644
index 00000000..434e666e
--- /dev/null
+++ b/pythonz/apps/management/commands/update_events.py
@@ -0,0 +1,16 @@
+from django.core.management.base import BaseCommand
+
+from ...models import Event
+
+
+class Command(BaseCommand):
+
+    help = 'Updates events from remote sources.'
+
+    def handle(self, *args, **options):
+
+        self.stdout.write('Updating events...\n')
+
+        Event.fetch_items()
+
+        self.stdout.write('Events updated.\n')
diff --git a/pythonz/apps/management/commands/update_ext_resources.py b/pythonz/apps/management/commands/update_ext_resources.py
new file mode 100644
index 00000000..0a4e8c64
--- /dev/null
+++ b/pythonz/apps/management/commands/update_ext_resources.py
@@ -0,0 +1,16 @@
+from django.core.management.base import BaseCommand
+
+from ...models import ExternalResource
+
+
+class Command(BaseCommand):
+
+    help = 'Updates remote resources.'
+
+    def handle(self, *args, **options):
+
+        self.stdout.write('Updating resources ...\n')
+
+        ExternalResource.fetch_new()
+
+        self.stdout.write('Resources updated.\n')
diff --git a/pythonz/apps/management/commands/update_vacancies.py b/pythonz/apps/management/commands/update_vacancies.py
new file mode 100644
index 00000000..d196f0e0
--- /dev/null
+++ b/pythonz/apps/management/commands/update_vacancies.py
@@ -0,0 +1,17 @@
+from django.core.management.base import BaseCommand
+
+from ...models import Vacancy
+
+
+class Command(BaseCommand):
+
+    help = 'Updates vacancies from remote sources.'
+
+    def handle(self, *args, **options):
+
+        self.stdout.write('Updating vacancies...\n')
+
+        Vacancy.update_statuses()
+        Vacancy.fetch_items()
+
+        self.stdout.write('Vacancies updated.\n')
diff --git a/apps/metrics.py b/pythonz/apps/metrics.py
similarity index 84%
rename from apps/metrics.py
rename to pythonz/apps/metrics.py
index e0587fa2..9b72a48f 100644
--- a/apps/metrics.py
+++ b/pythonz/apps/metrics.py
@@ -1,3 +1,4 @@
+
 from sitemetrics.providers import Yandex
 
 
@@ -6,9 +7,9 @@ class MyYandex(Yandex):
     Подключаем некоторые плюшки из тех, что умеет счётчик.
     """
 
-    params = {
-        'webvisor': False,
-        'clickmap': False,
+    params: dict[str, bool] = {
+        'webvisor': True,
+        'clickmap': True,
         'track_links': True,
         'accurate_bounce': True,
         'no_index': False,
diff --git a/apps/middleware.py b/pythonz/apps/middleware.py
similarity index 64%
rename from apps/middleware.py
rename to pythonz/apps/middleware.py
index b4545ec7..7668b664 100644
--- a/apps/middleware.py
+++ b/pythonz/apps/middleware.py
@@ -1,21 +1,31 @@
-from pytz import UnknownTimeZoneError
-from django.utils import timezone
 from django.contrib.auth.models import AnonymousUser
+from django.http import HttpRequest, HttpResponse
+from django.utils import timezone
+from pytz import UnknownTimeZoneError
 
 
-class TimezoneMiddleware(object):
+def TimezoneMiddleware(get_response):
     """Устанавливает текущую временную зону."""
 
-    def process_request(self, request):
+    def middleware(request: HttpRequest) -> HttpResponse:
+
         default_timezone = 'Asia/Novosibirsk'
         current_timezone = default_timezone
 
         user = getattr(request, 'user', None)
+
         if user is not None and not isinstance(user, AnonymousUser):
-            if user.timezone:
-                current_timezone = user.timezone
+            if tz := user.timezone:
+                current_timezone = tz
 
         try:
             timezone.activate(current_timezone)
+
         except UnknownTimeZoneError:
             timezone.activate(default_timezone)
+
+        response = get_response(request)
+
+        return response
+
+    return middleware
diff --git a/apps/migrations/0001_initial.py b/pythonz/apps/migrations/0001_initial.py
similarity index 96%
rename from apps/migrations/0001_initial.py
rename to pythonz/apps/migrations/0001_initial.py
index f4cd77b0..f4f17629 100644
--- a/apps/migrations/0001_initial.py
+++ b/pythonz/apps/migrations/0001_initial.py
@@ -5,7 +5,7 @@
 from django.conf import settings
 import django.utils.timezone
 import etc.models
-import apps.generics.models
+from ..generics.models import get_upload_to
 import django.core.validators
 
 
@@ -56,7 +56,7 @@ class Migration(migrations.Migration):
                 ('text_src', models.TextField(verbose_name='Исходный текст')),
                 ('title', models.CharField(max_length=255, verbose_name='Название', unique=True)),
                 ('description', models.TextField(verbose_name='Описание', help_text='Пара-тройка предложений, описывающих, о чём пойдёт речь в статье.')),
-                ('cover', models.ImageField(max_length=255, verbose_name='Обложка', upload_to=apps.generics.models.get_upload_to, null=True, blank=True)),
+                ('cover', models.ImageField(max_length=255, verbose_name='Обложка', upload_to=get_upload_to, null=True, blank=True)),
                 ('year', models.CharField(max_length=10, verbose_name='Год', null=True, blank=True)),
                 ('time_created', models.DateTimeField(verbose_name='Дата создания', auto_now_add=True)),
                 ('time_published', models.DateTimeField(verbose_name='Дата публикации', null=True, editable=False)),
@@ -64,7 +64,7 @@ class Migration(migrations.Migration):
                 ('status', models.PositiveIntegerField(verbose_name='Статус', choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален')], default=1)),
                 ('supporters_num', models.PositiveIntegerField(verbose_name='Количество поддержавших', default=0)),
                 ('linked', models.ManyToManyField(verbose_name='Связанные объекты', to='apps.Article', related_name='linked_rel_+', help_text='Выберите объекты, имеющие отношение к данному.', blank=True)),
-                ('submitter', models.ForeignKey(verbose_name='Добавил', to=settings.AUTH_USER_MODEL, related_name='article_submitters')),
+                ('submitter', models.ForeignKey(verbose_name='Добавил', to=settings.AUTH_USER_MODEL, related_name='article_submitters', on_delete=models.CASCADE)),
             ],
             options={
                 'verbose_name': 'Статья',
@@ -80,7 +80,7 @@ class Migration(migrations.Migration):
                 ('translator', models.CharField(max_length=255, verbose_name='Перевод', help_text='Укажите переводчиков, если материал переведён на русский с другого языка. Если переводчик неизвестен, можно указать главного редактора.<br><b>[u:<ид>:<имя>]</b> формирует ссылку на профиль пользователя pythonz. Например: [u:1:идле].', null=True, blank=True)),
                 ('title', models.CharField(max_length=255, verbose_name='Название', unique=True)),
                 ('description', models.TextField(verbose_name='Описание', help_text='Аннотация к книге, или другое краткое описание. Без обозначения личного отношения.')),
-                ('cover', models.ImageField(max_length=255, verbose_name='Обложка', upload_to=apps.generics.models.get_upload_to, null=True, blank=True)),
+                ('cover', models.ImageField(max_length=255, verbose_name='Обложка', upload_to=get_upload_to, null=True, blank=True)),
                 ('year', models.CharField(max_length=10, verbose_name='Год', null=True, blank=True)),
                 ('time_created', models.DateTimeField(verbose_name='Дата создания', auto_now_add=True)),
                 ('time_published', models.DateTimeField(verbose_name='Дата публикации', null=True, editable=False)),
@@ -90,7 +90,7 @@ class Migration(migrations.Migration):
                 ('isbn', models.CharField(max_length=20, verbose_name='Код ISBN', unique=True, null=True, blank=True)),
                 ('isbn_ebook', models.CharField(max_length=20, verbose_name='Код ISBN эл. книги', unique=True, null=True, blank=True)),
                 ('linked', models.ManyToManyField(verbose_name='Связанные объекты', to='apps.Book', related_name='linked_rel_+', help_text='Выберите объекты, имеющие отношение к данному.', blank=True)),
-                ('submitter', models.ForeignKey(verbose_name='Добавил', to=settings.AUTH_USER_MODEL, related_name='book_submitters')),
+                ('submitter', models.ForeignKey(verbose_name='Добавил', to=settings.AUTH_USER_MODEL, related_name='book_submitters', on_delete=models.CASCADE)),
             ],
             options={
                 'verbose_name': 'Книга',
@@ -106,7 +106,7 @@ class Migration(migrations.Migration):
                 ('text_src', models.TextField(verbose_name='Исходный текст')),
                 ('title', models.CharField(max_length=255, verbose_name='Название', unique=True)),
                 ('description', models.TextField(verbose_name='Описание')),
-                ('cover', models.ImageField(max_length=255, verbose_name='Обложка', upload_to=apps.generics.models.get_upload_to, null=True, blank=True)),
+                ('cover', models.ImageField(max_length=255, verbose_name='Обложка', upload_to=get_upload_to, null=True, blank=True)),
                 ('year', models.CharField(max_length=10, verbose_name='Год', null=True, blank=True)),
                 ('time_created', models.DateTimeField(verbose_name='Дата создания', auto_now_add=True)),
                 ('time_published', models.DateTimeField(verbose_name='Дата публикации', null=True, editable=False)),
@@ -146,8 +146,8 @@ class Migration(migrations.Migration):
                 ('status', models.PositiveIntegerField(verbose_name='Статус', choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален')], default=1)),
                 ('supporters_num', models.PositiveIntegerField(verbose_name='Количество поддержавших', default=0)),
                 ('object_id', models.PositiveIntegerField(verbose_name='ID объекта', db_index=True)),
-                ('content_type', models.ForeignKey(verbose_name='Тип содержимого', to='contenttypes.ContentType', related_name='opinion_opinions')),
-                ('submitter', models.ForeignKey(verbose_name='Автор', to=settings.AUTH_USER_MODEL)),
+                ('content_type', models.ForeignKey(verbose_name='Тип содержимого', to='contenttypes.ContentType', related_name='opinion_opinions', on_delete=models.CASCADE)),
+                ('submitter', models.ForeignKey(verbose_name='Автор', to=settings.AUTH_USER_MODEL, on_delete=models.CASCADE)),
             ],
             options={
                 'verbose_name': 'Мнение',
@@ -184,7 +184,7 @@ class Migration(migrations.Migration):
                 ('translator', models.CharField(max_length=255, verbose_name='Перевод', help_text='Укажите переводчиков, если материал переведён на русский с другого языка. Если переводчик неизвестен, можно указать главного редактора.<br><b>[u:<ид>:<имя>]</b> формирует ссылку на профиль пользователя pythonz. Например: [u:1:идле].', null=True, blank=True)),
                 ('title', models.CharField(max_length=255, verbose_name='Название', unique=True)),
                 ('description', models.TextField(verbose_name='Описание', help_text='Краткое описание того, о чём это видео. Без обозначения личного отношения.')),
-                ('cover', models.ImageField(max_length=255, verbose_name='Обложка', upload_to=apps.generics.models.get_upload_to, null=True, blank=True)),
+                ('cover', models.ImageField(max_length=255, verbose_name='Обложка', upload_to=get_upload_to, null=True, blank=True)),
                 ('year', models.CharField(max_length=10, verbose_name='Год', null=True, blank=True)),
                 ('time_created', models.DateTimeField(verbose_name='Дата создания', auto_now_add=True)),
                 ('time_published', models.DateTimeField(verbose_name='Дата публикации', null=True, editable=False)),
@@ -194,7 +194,7 @@ class Migration(migrations.Migration):
                 ('code', models.TextField(verbose_name='Код')),
                 ('url', models.URLField(verbose_name='URL')),
                 ('linked', models.ManyToManyField(verbose_name='Связанные объекты', to='apps.Video', related_name='linked_rel_+', help_text='Выберите объекты, имеющие отношение к данному.', blank=True)),
-                ('submitter', models.ForeignKey(verbose_name='Добавил', to=settings.AUTH_USER_MODEL, related_name='video_submitters')),
+                ('submitter', models.ForeignKey(verbose_name='Добавил', to=settings.AUTH_USER_MODEL, related_name='video_submitters', on_delete=models.CASCADE)),
             ],
             options={
                 'verbose_name': 'Видео',
@@ -209,7 +209,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='eventdetails',
             name='place',
-            field=models.ForeignKey(verbose_name='Место', to='apps.Place', related_name='events'),
+            field=models.ForeignKey(verbose_name='Место', to='apps.Place', related_name='events', on_delete=models.CASCADE),
             preserve_default=True,
         ),
         migrations.AddField(
@@ -227,13 +227,13 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='event',
             name='submitter',
-            field=models.ForeignKey(verbose_name='Добавил', to=settings.AUTH_USER_MODEL, related_name='event_submitters'),
+            field=models.ForeignKey(verbose_name='Добавил', to=settings.AUTH_USER_MODEL, related_name='event_submitters', on_delete=models.CASCADE),
             preserve_default=True,
         ),
         migrations.AddField(
             model_name='user',
             name='place',
-            field=models.ForeignKey(help_text='Место вашего пребывания (страна, город, село), чтобы pythonz мог фильтровать интересную вам информацию.', blank=True, verbose_name='Место', to='apps.Place', related_name='users', null=True),
+            field=models.ForeignKey(help_text='Место вашего пребывания (страна, город, село), чтобы pythonz мог фильтровать интересную вам информацию.', blank=True, verbose_name='Место', to='apps.Place', related_name='users', on_delete=models.CASCADE, null=True),
             preserve_default=True,
         ),
         migrations.AddField(
diff --git a/apps/migrations/0002_user_timezone.py b/pythonz/apps/migrations/0002_user_timezone.py
similarity index 100%
rename from apps/migrations/0002_user_timezone.py
rename to pythonz/apps/migrations/0002_user_timezone.py
diff --git a/apps/migrations/0003_auto_20140926_0529.py b/pythonz/apps/migrations/0003_auto_20140926_0529.py
similarity index 96%
rename from apps/migrations/0003_auto_20140926_0529.py
rename to pythonz/apps/migrations/0003_auto_20140926_0529.py
index fc340ce4..8ee4a635 100644
--- a/apps/migrations/0003_auto_20140926_0529.py
+++ b/pythonz/apps/migrations/0003_auto_20140926_0529.py
@@ -19,7 +19,7 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='user',
             name='place',
-            field=models.ForeignKey(blank=True, null=True, to='apps.Place', verbose_name='Место', help_text='Место вашего пребывания (страна, город, село). Например: Россия, Новосибирск.', related_name='users'),
+            field=models.ForeignKey(blank=True, null=True, to='apps.Place', verbose_name='Место', help_text='Место вашего пребывания (страна, город, село). Например: Россия, Новосибирск.', related_name='users', on_delete=models.CASCADE),
         ),
         migrations.AlterField(
             model_name='user',
diff --git a/apps/migrations/0004_auto_20140926_0808.py b/pythonz/apps/migrations/0004_auto_20140926_0808.py
similarity index 56%
rename from apps/migrations/0004_auto_20140926_0808.py
rename to pythonz/apps/migrations/0004_auto_20140926_0808.py
index bea467e9..c7503642 100644
--- a/apps/migrations/0004_auto_20140926_0808.py
+++ b/pythonz/apps/migrations/0004_auto_20140926_0808.py
@@ -19,6 +19,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='user',
             name='place',
-            field=models.ForeignKey(related_name='users', blank=True, verbose_name='Место', to='apps.Place', help_text='Место вашего пребывания (страна, город, село).<br>Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».', null=True),
+            field=models.ForeignKey(related_name='users', on_delete=models.CASCADE, blank=True, verbose_name='Место', to='apps.Place', help_text='Место вашего пребывания (страна, город, село).<br>Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».', null=True),
         ),
     ]
diff --git a/apps/migrations/0005_place_description.py b/pythonz/apps/migrations/0005_place_description.py
similarity index 100%
rename from apps/migrations/0005_place_description.py
rename to pythonz/apps/migrations/0005_place_description.py
diff --git a/apps/migrations/0006_auto_20140926_1301.py b/pythonz/apps/migrations/0006_auto_20140926_1301.py
similarity index 100%
rename from apps/migrations/0006_auto_20140926_1301.py
rename to pythonz/apps/migrations/0006_auto_20140926_1301.py
diff --git a/apps/migrations/0007_auto_20141004_1034.py b/pythonz/apps/migrations/0007_auto_20141004_1034.py
similarity index 100%
rename from apps/migrations/0007_auto_20141004_1034.py
rename to pythonz/apps/migrations/0007_auto_20141004_1034.py
diff --git a/apps/migrations/0008_community.py b/pythonz/apps/migrations/0008_community.py
similarity index 82%
rename from apps/migrations/0008_community.py
rename to pythonz/apps/migrations/0008_community.py
index fade7636..30cbf01e 100644
--- a/apps/migrations/0008_community.py
+++ b/pythonz/apps/migrations/0008_community.py
@@ -2,7 +2,7 @@
 from __future__ import unicode_literals
 
 from django.db import models, migrations
-import apps.generics.models
+from ..generics.models import get_upload_to
 from django.conf import settings
 import etc.models
 
@@ -22,7 +22,7 @@ class Migration(migrations.Migration):
                 ('text_src', models.TextField(verbose_name='Исходный текст')),
                 ('title', models.CharField(verbose_name='Название', max_length=255, unique=True)),
                 ('description', models.TextField(verbose_name='Описание', help_text='Пара-тройка предложений, описывающих, о чём пойдёт речь в статье.')),
-                ('cover', models.ImageField(null=True, verbose_name='Обложка', upload_to=apps.generics.models.get_upload_to, max_length=255, blank=True)),
+                ('cover', models.ImageField(null=True, verbose_name='Обложка', upload_to=get_upload_to, max_length=255, blank=True)),
                 ('year', models.CharField(null=True, verbose_name='Год', max_length=10, blank=True)),
                 ('time_created', models.DateTimeField(verbose_name='Дата создания', auto_now_add=True)),
                 ('time_published', models.DateTimeField(null=True, verbose_name='Дата публикации', editable=False)),
@@ -32,8 +32,8 @@ class Migration(migrations.Migration):
                 ('url', models.URLField(null=True, verbose_name='Страница в сети', blank=True)),
                 ('contacts', models.CharField(verbose_name='Контактное лицо', help_text='Контактные лица, представляющие сообщество, координаторы, основатели.<br><b>[u:<ид>:<имя>]</b> формирует ссылку на профиль пользователя pythonz. Например: [u:1:идле].', max_length=255)),
                 ('linked', models.ManyToManyField(verbose_name='Связанные объекты', help_text='Выберите объекты, имеющие отношение к данному.', to='apps.Community', blank=True, related_name='linked_rel_+')),
-                ('place', models.ForeignKey(to='apps.Place', verbose_name='Место', related_name='communities', null=True, help_text='Для географически локализованных сообществ можно указать место (страна, город, село).<br>Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».', blank=True)),
-                ('submitter', models.ForeignKey(to=settings.AUTH_USER_MODEL, related_name='community_submitters', verbose_name='Добавил')),
+                ('place', models.ForeignKey(to='apps.Place', verbose_name='Место', related_name='communities', on_delete=models.CASCADE, null=True, help_text='Для географически локализованных сообществ можно указать место (страна, город, село).<br>Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».', blank=True)),
+                ('submitter', models.ForeignKey(to=settings.AUTH_USER_MODEL, related_name='community_submitters', on_delete=models.CASCADE, verbose_name='Добавил')),
             ],
             options={
                 'verbose_name': 'Сообщество',
diff --git a/apps/migrations/0009_auto_20141004_1314.py b/pythonz/apps/migrations/0009_auto_20141004_1314.py
similarity index 60%
rename from apps/migrations/0009_auto_20141004_1314.py
rename to pythonz/apps/migrations/0009_auto_20141004_1314.py
index f3d6aad5..f133bf54 100644
--- a/apps/migrations/0009_auto_20141004_1314.py
+++ b/pythonz/apps/migrations/0009_auto_20141004_1314.py
@@ -15,49 +15,49 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='article',
             name='last_editor',
-            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='article_editors', verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
+            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='article_editors', on_delete=models.CASCADE, verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
             preserve_default=True,
         ),
         migrations.AddField(
             model_name='book',
             name='last_editor',
-            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='book_editors', verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
+            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='book_editors', on_delete=models.CASCADE, verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
             preserve_default=True,
         ),
         migrations.AddField(
             model_name='community',
             name='last_editor',
-            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='community_editors', verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
+            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='community_editors', on_delete=models.CASCADE, verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
             preserve_default=True,
         ),
         migrations.AddField(
             model_name='event',
             name='last_editor',
-            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='event_editors', verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
+            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='event_editors', on_delete=models.CASCADE, verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
             preserve_default=True,
         ),
         migrations.AddField(
             model_name='opinion',
             name='last_editor',
-            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='opinion_editors', verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
+            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='opinion_editors', on_delete=models.CASCADE, verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
             preserve_default=True,
         ),
         migrations.AddField(
             model_name='place',
             name='last_editor',
-            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='place_editors', verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
+            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='place_editors', on_delete=models.CASCADE, verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
             preserve_default=True,
         ),
         migrations.AddField(
             model_name='user',
             name='last_editor',
-            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='user_editors', verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
+            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='user_editors', on_delete=models.CASCADE, verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
             preserve_default=True,
         ),
         migrations.AddField(
             model_name='video',
             name='last_editor',
-            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='video_editors', verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
+            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True, related_name='video_editors', on_delete=models.CASCADE, verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.'),
             preserve_default=True,
         ),
         migrations.AlterField(
diff --git a/apps/migrations/0010_auto_20141004_1519.py b/pythonz/apps/migrations/0010_auto_20141004_1519.py
similarity index 100%
rename from apps/migrations/0010_auto_20141004_1519.py
rename to pythonz/apps/migrations/0010_auto_20141004_1519.py
diff --git a/apps/migrations/0011_auto_20141013_1517.py b/pythonz/apps/migrations/0011_auto_20141013_1517.py
similarity index 97%
rename from apps/migrations/0011_auto_20141013_1517.py
rename to pythonz/apps/migrations/0011_auto_20141013_1517.py
index 4afc94b8..c321173d 100644
--- a/apps/migrations/0011_auto_20141013_1517.py
+++ b/pythonz/apps/migrations/0011_auto_20141013_1517.py
@@ -31,7 +31,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='event',
             name='place',
-            field=models.ForeignKey(verbose_name='Место', to='apps.Place', help_text='Укажите место проведения мероприятия. <b>Конкретный адрес следует указывать в описании.</b><br>Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».', blank=True, null=True, related_name='events'),
+            field=models.ForeignKey(verbose_name='Место', to='apps.Place', help_text='Укажите место проведения мероприятия. <b>Конкретный адрес следует указывать в описании.</b><br>Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».', blank=True, null=True, related_name='events', on_delete=models.CASCADE),
             preserve_default=True,
         ),
         migrations.AddField(
diff --git a/apps/migrations/0012_auto_20141018_1416.py b/pythonz/apps/migrations/0012_auto_20141018_1416.py
similarity index 92%
rename from apps/migrations/0012_auto_20141018_1416.py
rename to pythonz/apps/migrations/0012_auto_20141018_1416.py
index 4950e98e..75c6fdd8 100644
--- a/apps/migrations/0012_auto_20141018_1416.py
+++ b/pythonz/apps/migrations/0012_auto_20141018_1416.py
@@ -25,6 +25,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='event',
             name='place',
-            field=models.ForeignKey(help_text='Укажите место проведения мероприятия.<br><b>Конкретный адрес следует указывать в описании.</b><br>Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».', blank=True, null=True, related_name='events', verbose_name='Место', to='apps.Place'),
+            field=models.ForeignKey(help_text='Укажите место проведения мероприятия.<br><b>Конкретный адрес следует указывать в описании.</b><br>Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».', blank=True, null=True, related_name='events', on_delete=models.CASCADE, verbose_name='Место', to='apps.Place'),
         ),
     ]
diff --git a/apps/migrations/0013_event_fee.py b/pythonz/apps/migrations/0013_event_fee.py
similarity index 100%
rename from apps/migrations/0013_event_fee.py
rename to pythonz/apps/migrations/0013_event_fee.py
diff --git a/apps/migrations/0014_auto_20141023_1450.py b/pythonz/apps/migrations/0014_auto_20141023_1450.py
similarity index 96%
rename from apps/migrations/0014_auto_20141023_1450.py
rename to pythonz/apps/migrations/0014_auto_20141023_1450.py
index 0b32042f..99fba548 100644
--- a/apps/migrations/0014_auto_20141023_1450.py
+++ b/pythonz/apps/migrations/0014_auto_20141023_1450.py
@@ -26,9 +26,9 @@ class Migration(migrations.Migration):
                 ('status', models.PositiveIntegerField(verbose_name='Статус', default=1, choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален')])),
                 ('supporters_num', models.PositiveIntegerField(verbose_name='Поддержка', default=0)),
                 ('object_id', models.PositiveIntegerField(verbose_name='ID объекта', db_index=True)),
-                ('content_type', models.ForeignKey(verbose_name='Тип содержимого', related_name='discussion_opinions', to='contenttypes.ContentType')),
-                ('last_editor', models.ForeignKey(verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.', related_name='discussion_editors', blank=True, to=settings.AUTH_USER_MODEL, null=True)),
-                ('submitter', models.ForeignKey(verbose_name='Автор', to=settings.AUTH_USER_MODEL)),
+                ('content_type', models.ForeignKey(verbose_name='Тип содержимого', related_name='discussion_opinions', on_delete=models.CASCADE, to='contenttypes.ContentType')),
+                ('last_editor', models.ForeignKey(verbose_name='Редактор', help_text='Пользователь, последним отредактировавший объект.', related_name='discussion_editors', on_delete=models.CASCADE, blank=True, to=settings.AUTH_USER_MODEL, null=True)),
+                ('submitter', models.ForeignKey(verbose_name='Автор', to=settings.AUTH_USER_MODEL, on_delete=models.CASCADE)),
             ],
             options={
                 'verbose_name': 'Мнение',
diff --git a/apps/migrations/0015_auto_20141023_1500.py b/pythonz/apps/migrations/0015_auto_20141023_1500.py
similarity index 87%
rename from apps/migrations/0015_auto_20141023_1500.py
rename to pythonz/apps/migrations/0015_auto_20141023_1500.py
index 9f08b7af..2258f517 100644
--- a/apps/migrations/0015_auto_20141023_1500.py
+++ b/pythonz/apps/migrations/0015_auto_20141023_1500.py
@@ -2,7 +2,7 @@
 from __future__ import unicode_literals
 
 from django.db import models, migrations
-import apps.generics.models
+from ..generics.models import get_upload_to
 from django.conf import settings
 
 
@@ -20,7 +20,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='discussion',
             name='cover',
-            field=models.ImageField(verbose_name='Обложка', blank=True, null=True, upload_to=apps.generics.models.get_upload_to, max_length=255),
+            field=models.ImageField(verbose_name='Обложка', blank=True, null=True, upload_to=get_upload_to, max_length=255),
             preserve_default=True,
         ),
         migrations.AddField(
@@ -50,7 +50,7 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='discussion',
             name='content_type',
-            field=models.ForeignKey(related_name='discussion_opinions', null=True, verbose_name='Тип содержимого', blank=True, to='contenttypes.ContentType'),
+            field=models.ForeignKey(related_name='discussion_opinions', on_delete=models.CASCADE, null=True, verbose_name='Тип содержимого', blank=True, to='contenttypes.ContentType'),
         ),
         migrations.AlterField(
             model_name='discussion',
@@ -60,6 +60,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='discussion',
             name='submitter',
-            field=models.ForeignKey(related_name='discussion_submitters', verbose_name='Добавил', to=settings.AUTH_USER_MODEL),
+            field=models.ForeignKey(related_name='discussion_submitters', on_delete=models.CASCADE, verbose_name='Добавил', to=settings.AUTH_USER_MODEL),
         ),
     ]
diff --git a/apps/migrations/0016_auto_20141023_1529.py b/pythonz/apps/migrations/0016_auto_20141023_1529.py
similarity index 86%
rename from apps/migrations/0016_auto_20141023_1529.py
rename to pythonz/apps/migrations/0016_auto_20141023_1529.py
index c6d12140..713f4636 100644
--- a/apps/migrations/0016_auto_20141023_1529.py
+++ b/pythonz/apps/migrations/0016_auto_20141023_1529.py
@@ -14,6 +14,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='discussion',
             name='content_type',
-            field=models.ForeignKey(to='contenttypes.ContentType', null=True, blank=True, verbose_name='Тип содержимого', related_name='discussion_discussions'),
+            field=models.ForeignKey(to='contenttypes.ContentType', null=True, blank=True, verbose_name='Тип содержимого', related_name='discussion_discussions', on_delete=models.CASCADE),
         ),
     ]
diff --git a/apps/migrations/0017_auto_20141025_1001.py b/pythonz/apps/migrations/0017_auto_20141025_1001.py
similarity index 100%
rename from apps/migrations/0017_auto_20141025_1001.py
rename to pythonz/apps/migrations/0017_auto_20141025_1001.py
diff --git a/apps/migrations/0018_auto_20141108_1538.py b/pythonz/apps/migrations/0018_auto_20141108_1538.py
similarity index 93%
rename from apps/migrations/0018_auto_20141108_1538.py
rename to pythonz/apps/migrations/0018_auto_20141108_1538.py
index f82d00be..a574999c 100644
--- a/apps/migrations/0018_auto_20141108_1538.py
+++ b/pythonz/apps/migrations/0018_auto_20141108_1538.py
@@ -3,7 +3,7 @@
 
 from django.db import models, migrations
 import etc.models
-import apps.generics.models
+from ..generics.models import get_upload_to
 from django.conf import settings
 
 
@@ -22,7 +22,7 @@ class Migration(migrations.Migration):
                 ('text_src', models.TextField(help_text='Подробное описание. Здесь же следует располагать примеры кода.', verbose_name='Исходный текст')),
                 ('title', models.CharField(help_text='Здесь следует указать название раздела справки или пакета, модуля, класса, метода, функции и т.п.', verbose_name='Название', max_length=255, unique=True)),
                 ('description', models.TextField(help_text='Краткое описание для раздела или пакета, модуля, класса, функции и т.п.', verbose_name='Описание')),
-                ('cover', models.ImageField(null=True, blank=True, max_length=255, upload_to=apps.generics.models.get_upload_to, verbose_name='Обложка')),
+                ('cover', models.ImageField(null=True, blank=True, max_length=255, upload_to=get_upload_to, verbose_name='Обложка')),
                 ('year', models.CharField(null=True, blank=True, max_length=10, verbose_name='Год')),
                 ('time_created', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
                 ('time_published', models.DateTimeField(null=True, editable=False, verbose_name='Дата публикации')),
@@ -33,10 +33,10 @@ class Migration(migrations.Migration):
                 ('func_proto', models.CharField(null=True, blank=True, max_length=250, help_text='Для функций/методов. Описание интерфейса: my_func(arg, kwarg=None)', verbose_name='Прототип')),
                 ('func_params', models.TextField(null=True, blank=True, help_text='Для функций/методов. Описание параметров функции.', verbose_name='Параметры')),
                 ('func_result', models.CharField(null=True, blank=True, max_length=250, help_text='Для функций/методов. Описание результата.', verbose_name='Результат')),
-                ('last_editor', models.ForeignKey(blank=True, verbose_name='Редактор', null=True, help_text='Пользователь, последним отредактировавший объект.', to=settings.AUTH_USER_MODEL, related_name='reference_editors')),
+                ('last_editor', models.ForeignKey(blank=True, verbose_name='Редактор', null=True, help_text='Пользователь, последним отредактировавший объект.', to=settings.AUTH_USER_MODEL, related_name='reference_editors', on_delete=models.CASCADE)),
                 ('linked', models.ManyToManyField(to='apps.Reference', blank=True, help_text='Выберите объекты, имеющие отношение к данному.', related_name='linked_rel_+', verbose_name='Связанные объекты')),
-                ('parent', models.ForeignKey(blank=True, verbose_name='Родитель', null=True, help_text='Укажите родительский раздел. Например, для модуля можно указать раздел справки, в которому он относится; для метода &#8212; класс.', to='apps.Reference', related_name='reference_parents')),
-                ('submitter', models.ForeignKey(to=settings.AUTH_USER_MODEL, verbose_name='Добавил', related_name='reference_submitters')),
+                ('parent', models.ForeignKey(blank=True, verbose_name='Родитель', null=True, help_text='Укажите родительский раздел. Например, для модуля можно указать раздел справки, в которому он относится; для метода &#8212; класс.', to='apps.Reference', related_name='reference_parents', on_delete=models.CASCADE)),
+                ('submitter', models.ForeignKey(to=settings.AUTH_USER_MODEL, verbose_name='Добавил', related_name='reference_submitters', on_delete=models.CASCADE)),
             ],
             options={
                 'verbose_name_plural': 'Статьи справочника',
@@ -52,7 +52,7 @@ class Migration(migrations.Migration):
                 ('text_src', models.TextField(help_text='Обзорное, более полное описание нововведений и изменений, произошедших в версии. <strong>Без обозначения личного отношения. Личное отношение можно выразить во Мнениях.</strong>', verbose_name='Исходный текст')),
                 ('title', models.CharField(verbose_name='Название', max_length=255, unique=True)),
                 ('description', models.TextField(help_text='Краткое описание основных изменений в версии.', verbose_name='Описание')),
-                ('cover', models.ImageField(null=True, blank=True, max_length=255, upload_to=apps.generics.models.get_upload_to, verbose_name='Обложка')),
+                ('cover', models.ImageField(null=True, blank=True, max_length=255, upload_to=get_upload_to, verbose_name='Обложка')),
                 ('year', models.CharField(null=True, blank=True, max_length=10, verbose_name='Год')),
                 ('time_created', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
                 ('time_published', models.DateTimeField(null=True, editable=False, verbose_name='Дата публикации')),
@@ -60,9 +60,9 @@ class Migration(migrations.Migration):
                 ('status', models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален')], default=1, verbose_name='Статус')),
                 ('supporters_num', models.PositiveIntegerField(default=0, verbose_name='Поддержка')),
                 ('current', models.BooleanField(db_index=True, default=False, verbose_name='Текущая')),
-                ('last_editor', models.ForeignKey(blank=True, verbose_name='Редактор', null=True, help_text='Пользователь, последним отредактировавший объект.', to=settings.AUTH_USER_MODEL, related_name='version_editors')),
+                ('last_editor', models.ForeignKey(blank=True, verbose_name='Редактор', null=True, help_text='Пользователь, последним отредактировавший объект.', to=settings.AUTH_USER_MODEL, related_name='version_editors', on_delete=models.CASCADE)),
                 ('linked', models.ManyToManyField(to='apps.Version', blank=True, help_text='Выберите объекты, имеющие отношение к данному.', related_name='linked_rel_+', verbose_name='Связанные объекты')),
-                ('submitter', models.ForeignKey(to=settings.AUTH_USER_MODEL, verbose_name='Добавил', related_name='version_submitters')),
+                ('submitter', models.ForeignKey(to=settings.AUTH_USER_MODEL, verbose_name='Добавил', related_name='version_submitters', on_delete=models.CASCADE)),
             ],
             options={
                 'verbose_name_plural': 'Версии Python',
@@ -73,13 +73,13 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='reference',
             name='version_added',
-            field=models.ForeignKey(blank=True, verbose_name='Добавлено в', null=True, help_text='Версия Python, для которой впервые стала актульна данная статья<br>(версия, где впервые появился модуль, пакет, класс, функция).', to='apps.Version', related_name='reference_added'),
+            field=models.ForeignKey(blank=True, verbose_name='Добавлено в', null=True, help_text='Версия Python, для которой впервые стала актульна данная статья<br>(версия, где впервые появился модуль, пакет, класс, функция).', to='apps.Version', related_name='reference_added', on_delete=models.CASCADE),
             preserve_default=True,
         ),
         migrations.AddField(
             model_name='reference',
             name='version_deprecated',
-            field=models.ForeignKey(blank=True, verbose_name='Устарело в', null=True, help_text='Версия Python, для которой впервые данная статья перестала быть актуальной<br>(версия, где модуль, пакет, класс, функция были объявлены устаревшими).', to='apps.Version', related_name='reference_deprecated'),
+            field=models.ForeignKey(blank=True, verbose_name='Устарело в', null=True, help_text='Версия Python, для которой впервые данная статья перестала быть актуальной<br>(версия, где модуль, пакет, класс, функция были объявлены устаревшими).', to='apps.Version', related_name='reference_deprecated', on_delete=models.CASCADE),
             preserve_default=True,
         ),
     ]
diff --git a/apps/migrations/0019_auto_20141114_1603.py b/pythonz/apps/migrations/0019_auto_20141114_1603.py
similarity index 98%
rename from apps/migrations/0019_auto_20141114_1603.py
rename to pythonz/apps/migrations/0019_auto_20141114_1603.py
index 03593817..71cacd5d 100644
--- a/apps/migrations/0019_auto_20141114_1603.py
+++ b/pythonz/apps/migrations/0019_auto_20141114_1603.py
@@ -39,7 +39,7 @@ class Migration(migrations.Migration):
                 ('history_id', models.AutoField(primary_key=True, serialize=False)),
                 ('history_date', models.DateTimeField()),
                 ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
-                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL)),
+                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL, on_delete=models.CASCADE)),
             ],
             options={
                 'ordering': ('-history_date', '-history_id'),
@@ -73,7 +73,7 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='reference',
             name='parent',
-            field=models.ForeignKey(help_text='Укажите родительский раздел. Например, для модуля можно указать раздел справки, в которому он относится; для метода &#8212; класс.', blank=True, to='apps.Reference', verbose_name='Родитель', null=True, related_name='children'),
+            field=models.ForeignKey(help_text='Укажите родительский раздел. Например, для модуля можно указать раздел справки, в которому он относится; для метода &#8212; класс.', blank=True, to='apps.Reference', verbose_name='Родитель', null=True, related_name='children', on_delete=models.CASCADE),
         ),
         migrations.AlterField(
             model_name='reference',
diff --git a/apps/migrations/0020_historicalarticle_historicalbook_historicalcommunity_historicaldiscussion_historicalevent_historical.py b/pythonz/apps/migrations/0020_historicalarticle_historicalbook_historicalcommunity_historicaldiscussion_historicalevent_historical.py
similarity index 98%
rename from apps/migrations/0020_historicalarticle_historicalbook_historicalcommunity_historicaldiscussion_historicalevent_historical.py
rename to pythonz/apps/migrations/0020_historicalarticle_historicalbook_historicalcommunity_historicaldiscussion_historicalevent_historical.py
index 18adc990..00e11fec 100644
--- a/apps/migrations/0020_historicalarticle_historicalbook_historicalcommunity_historicaldiscussion_historicalevent_historical.py
+++ b/pythonz/apps/migrations/0020_historicalarticle_historicalbook_historicalcommunity_historicaldiscussion_historicalevent_historical.py
@@ -32,7 +32,7 @@ class Migration(migrations.Migration):
                 ('history_id', models.AutoField(primary_key=True, serialize=False)),
                 ('history_date', models.DateTimeField()),
                 ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
-                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL)),
+                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL, on_delete=models.CASCADE)),
             ],
             options={
                 'verbose_name': 'historical Статья',
@@ -62,7 +62,7 @@ class Migration(migrations.Migration):
                 ('history_id', models.AutoField(primary_key=True, serialize=False)),
                 ('history_date', models.DateTimeField()),
                 ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
-                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL)),
+                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL, on_delete=models.CASCADE)),
             ],
             options={
                 'verbose_name': 'historical Книга',
@@ -93,7 +93,7 @@ class Migration(migrations.Migration):
                 ('history_id', models.AutoField(primary_key=True, serialize=False)),
                 ('history_date', models.DateTimeField()),
                 ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
-                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL)),
+                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL, on_delete=models.CASCADE)),
             ],
             options={
                 'verbose_name': 'historical Сообщество',
@@ -123,7 +123,7 @@ class Migration(migrations.Migration):
                 ('history_id', models.AutoField(primary_key=True, serialize=False)),
                 ('history_date', models.DateTimeField()),
                 ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
-                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL)),
+                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL, on_delete=models.CASCADE)),
             ],
             options={
                 'verbose_name': 'historical Обсуждение',
@@ -159,7 +159,7 @@ class Migration(migrations.Migration):
                 ('history_id', models.AutoField(primary_key=True, serialize=False)),
                 ('history_date', models.DateTimeField()),
                 ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
-                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL)),
+                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL, on_delete=models.CASCADE)),
             ],
             options={
                 'verbose_name': 'historical Событие',
@@ -186,7 +186,7 @@ class Migration(migrations.Migration):
                 ('history_id', models.AutoField(primary_key=True, serialize=False)),
                 ('history_date', models.DateTimeField()),
                 ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
-                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL)),
+                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL, on_delete=models.CASCADE)),
             ],
             options={
                 'verbose_name': 'historical Место',
@@ -216,7 +216,7 @@ class Migration(migrations.Migration):
                 ('history_id', models.AutoField(primary_key=True, serialize=False)),
                 ('history_date', models.DateTimeField()),
                 ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
-                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL)),
+                ('history_user', models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL, on_delete=models.CASCADE)),
             ],
             options={
                 'verbose_name': 'historical Видео',
diff --git a/apps/migrations/0021_partnerlink.py b/pythonz/apps/migrations/0021_partnerlink.py
similarity index 92%
rename from apps/migrations/0021_partnerlink.py
rename to pythonz/apps/migrations/0021_partnerlink.py
index 448e35a4..e44f2579 100644
--- a/apps/migrations/0021_partnerlink.py
+++ b/pythonz/apps/migrations/0021_partnerlink.py
@@ -20,7 +20,7 @@ class Migration(migrations.Migration):
                 ('partner_alias', models.CharField(max_length=50, db_index=True, choices=[('booksru', 'books.ru')], verbose_name='Идентфикатор класса партнёра')),
                 ('url', models.URLField(help_text='Ссылка на партнёрскую страницу без указания партнёрских данных (идентификатора).', verbose_name='Базовая ссылка')),
                 ('description', models.CharField(max_length=255, null=True, blank=True, verbose_name='Описание')),
-                ('content_type', models.ForeignKey(related_name='partnerlink_partner_links', to='contenttypes.ContentType', verbose_name='Тип содержимого')),
+                ('content_type', models.ForeignKey(related_name='partnerlink_partner_links', on_delete=models.CASCADE, to='contenttypes.ContentType', verbose_name='Тип содержимого')),
             ],
             options={
                 'verbose_name_plural': 'Партнёрские ссылки',
diff --git a/apps/migrations/0022_auto_20150325_1515.py b/pythonz/apps/migrations/0022_auto_20150325_1515.py
similarity index 100%
rename from apps/migrations/0022_auto_20150325_1515.py
rename to pythonz/apps/migrations/0022_auto_20150325_1515.py
diff --git a/apps/migrations/0023_auto_20150331_1711.py b/pythonz/apps/migrations/0023_auto_20150331_1711.py
similarity index 100%
rename from apps/migrations/0023_auto_20150331_1711.py
rename to pythonz/apps/migrations/0023_auto_20150331_1711.py
diff --git a/apps/migrations/0024_auto_20150621_1206.py b/pythonz/apps/migrations/0024_auto_20150621_1206.py
similarity index 100%
rename from apps/migrations/0024_auto_20150621_1206.py
rename to pythonz/apps/migrations/0024_auto_20150621_1206.py
diff --git a/apps/migrations/0025_auto_20150625_1720.py b/pythonz/apps/migrations/0025_auto_20150625_1720.py
similarity index 97%
rename from apps/migrations/0025_auto_20150625_1720.py
rename to pythonz/apps/migrations/0025_auto_20150625_1720.py
index b81f6fca..d5af5c0e 100644
--- a/apps/migrations/0025_auto_20150625_1720.py
+++ b/pythonz/apps/migrations/0025_auto_20150625_1720.py
@@ -132,12 +132,12 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='vacancy',
             name='last_editor',
-            field=models.ForeignKey(null=True, verbose_name='Редактор', blank=True, to=settings.AUTH_USER_MODEL, related_name='vacancy_editors', help_text='Пользователь, последним отредактировавший объект.'),
+            field=models.ForeignKey(null=True, verbose_name='Редактор', blank=True, to=settings.AUTH_USER_MODEL, related_name='vacancy_editors', on_delete=models.CASCADE, help_text='Пользователь, последним отредактировавший объект.'),
         ),
         migrations.AddField(
             model_name='vacancy',
             name='place',
-            field=models.ForeignKey(null=True, verbose_name='Место', blank=True, to='apps.Place', related_name='vacancies'),
+            field=models.ForeignKey(null=True, verbose_name='Место', blank=True, to='apps.Place', related_name='vacancies', on_delete=models.CASCADE),
         ),
         migrations.AlterUniqueTogether(
             name='vacancy',
diff --git a/pythonz/apps/migrations/0026_auto_20150917_1619.py b/pythonz/apps/migrations/0026_auto_20150917_1619.py
new file mode 100644
index 00000000..b82fc522
--- /dev/null
+++ b/pythonz/apps/migrations/0026_auto_20150917_1619.py
@@ -0,0 +1,86 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+from django.conf import settings
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0025_auto_20150625_1720'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ExternalResource',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('time_created', models.DateTimeField(verbose_name='Дата создания', auto_now_add=True)),
+                ('time_published', models.DateTimeField(editable=False, verbose_name='Дата публикации', null=True)),
+                ('time_modified', models.DateTimeField(editable=False, verbose_name='Дата редактирования', null=True)),
+                ('status', models.PositiveIntegerField(default=1, choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве')], verbose_name='Статус')),
+                ('supporters_num', models.PositiveIntegerField(default=0, verbose_name='Поддержка')),
+                ('src_alias', models.CharField(max_length=20, choices=[('pydigest', 'pythondigest.ru')], verbose_name='Идентификатор источника')),
+                ('realm_name', models.CharField(max_length=20, verbose_name='Идентификатор области на pythonz')),
+                ('url', models.URLField(unique=True, verbose_name='Страница ресурса')),
+                ('title', models.CharField(max_length=255, verbose_name='Название')),
+                ('description', models.TextField(default='', verbose_name='Описание', blank=True)),
+                ('last_editor', models.ForeignKey(help_text='Пользователь, последним отредактировавший объект.', related_name='externalresource_editors', on_delete=models.CASCADE, verbose_name='Редактор', to=settings.AUTH_USER_MODEL, blank=True, null=True)),
+            ],
+            options={
+                'verbose_name_plural': 'Внешние ресурсы',
+                'verbose_name': 'Внешний ресурс',
+            },
+        ),
+        migrations.AlterField(
+            model_name='article',
+            name='source',
+            field=models.PositiveIntegerField(default=1, verbose_name='Тип источника', choices=[(1, 'Написана на этом сайте'), (2, 'Соскоблена с другого сайта')], help_text='Указывает на механизм, при помощи которого статья появилась на сайте.'),
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='description',
+            field=models.TextField(verbose_name='Описание', help_text='Аннотация к книге, или другое краткое описание. <strong>Без обозначения личного отношения. Личное отношение можно выразить в Обсуждениях к материалу.</strong>'),
+        ),
+        migrations.AlterField(
+            model_name='community',
+            name='description',
+            field=models.TextField(verbose_name='Описание', help_text='Сжатая предварительная информация о сообществе (например, направление деятельности). <strong>Без обозначения личного отношения. Личное отношение можно выразить в Обсуждениях к материалу.</strong>'),
+        ),
+        migrations.AlterField(
+            model_name='community',
+            name='text_src',
+            field=models.TextField(verbose_name='Исходный текст', help_text='<strong>Без обозначения личного отношения. Личное отношение можно выразить в Обсуждениях к материалу.</strong>'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='description',
+            field=models.TextField(verbose_name='Описание', help_text='Краткое описание события. <strong>Без обозначения личного отношения. Личное отношение можно выразить в Обсуждениях к материалу.</strong>'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='text_src',
+            field=models.TextField(verbose_name='Исходный текст', help_text='<strong>Без обозначения личного отношения. Личное отношение можно выразить в Обсуждениях к материалу.</strong>'),
+        ),
+        migrations.AlterField(
+            model_name='historicalarticle',
+            name='source',
+            field=models.PositiveIntegerField(default=1, verbose_name='Тип источника', choices=[(1, 'Написана на этом сайте'), (2, 'Соскоблена с другого сайта')], help_text='Указывает на механизм, при помощи которого статья появилась на сайте.'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='title',
+            field=models.CharField(verbose_name='Название', unique=True, max_length=255, help_text='Здесь следует указать название раздела справки или пакета, модуля, класса, метода, функции и т.п.'),
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='text_src',
+            field=models.TextField(verbose_name='Исходный текст', help_text=('Обзорное, более полное описание нововведений и изменений, произошедших в версии. <strong>Без обозначения личного отношения. Личное отношение можно выразить в Обсуждениях к материалу.</strong>',)),
+        ),
+        migrations.AlterField(
+            model_name='video',
+            name='description',
+            field=models.TextField(verbose_name='Описание', help_text='Краткое описание того, о чём это видео. <strong>Без обозначения личного отношения. Личное отношение можно выразить в Обсуждениях к материалу.</strong>'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0027_auto_20151104_0511.py b/pythonz/apps/migrations/0027_auto_20151104_0511.py
new file mode 100644
index 00000000..ebaee86e
--- /dev/null
+++ b/pythonz/apps/migrations/0027_auto_20151104_0511.py
@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0026_auto_20150917_1619'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='externalresource',
+            options={'verbose_name_plural': 'Внешние ресурсы', 'verbose_name': 'Внешний ресурс', 'ordering': ('-time_created',)},
+        ),
+        migrations.RemoveField(
+            model_name='user',
+            name='digest_enabled',
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0028_user_profile_public.py b/pythonz/apps/migrations/0028_user_profile_public.py
new file mode 100644
index 00000000..8e21a91a
--- /dev/null
+++ b/pythonz/apps/migrations/0028_user_profile_public.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0027_auto_20151104_0511'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='user',
+            name='profile_public',
+            field=models.BooleanField(db_index=True, default=True, verbose_name='Публичный профиль', help_text='Если выключить, то увидеть ваш профиль сможете только вы.<br>В списках пользователей профиль значиться тоже не будет.'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0029_auto_20160321_1412.py b/pythonz/apps/migrations/0029_auto_20160321_1412.py
new file mode 100644
index 00000000..1312f2b7
--- /dev/null
+++ b/pythonz/apps/migrations/0029_auto_20160321_1412.py
@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.2 on 2016-03-21 13:12
+from __future__ import unicode_literals
+
+import django.core.validators
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0028_user_profile_public'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='historicalreference',
+            name='search_terms',
+            field=models.CharField(blank=True, default='', help_text='Дополнительные фразы, по которым можно найти данную статью, например: <i>«список», для «list»</i>', max_length=500, verbose_name='Термины поиска'),
+        ),
+        migrations.AddField(
+            model_name='reference',
+            name='search_terms',
+            field=models.CharField(blank=True, default='', help_text='Дополнительные фразы, по которым можно найти данную статью, например: <i>«список», для «list»</i>', max_length=500, verbose_name='Термины поиска'),
+        ),
+        migrations.AlterField(
+            model_name='article',
+            name='location',
+            field=models.PositiveIntegerField(choices=[(1, 'На этом сайте')], default=1, help_text='Статью можно написать прямо на этом сайте, либо сформировать статью-ссылку на внешний ресурс.', verbose_name='Расположение статьи'),
+        ),
+        migrations.AlterField(
+            model_name='historicalarticle',
+            name='location',
+            field=models.PositiveIntegerField(choices=[(1, 'На этом сайте')], default=1, help_text='Статью можно написать прямо на этом сайте, либо сформировать статью-ссылку на внешний ресурс.', verbose_name='Расположение статьи'),
+        ),
+        migrations.AlterField(
+            model_name='historicalreference',
+            name='parent',
+            field=models.ForeignKey(blank=True, db_constraint=False, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='apps.HistoricalReference'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='username',
+            field=models.CharField(error_messages={'unique': 'A user with that username already exists.'}, help_text='Required. 30 characters or fewer. Letters, digits and @/./+/-/_ only.', max_length=30, unique=True, validators=[django.core.validators.RegexValidator('^[\\w.@+-]+$', 'Enter a valid username. This value may contain only letters, numbers and @/./+/-/_ characters.')], verbose_name='username'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0030_auto_20160711_0915.py b/pythonz/apps/migrations/0030_auto_20160711_0915.py
new file mode 100644
index 00000000..1ffcafcf
--- /dev/null
+++ b/pythonz/apps/migrations/0030_auto_20160711_0915.py
@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.6 on 2016-07-11 07:15
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0029_auto_20160321_1412'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='historicalreference',
+            name='pep',
+            field=models.PositiveIntegerField(blank=True, help_text='Номер предложения по улучшению Питона, связанного с этой статьёй, например: <i>8</i> для PEP-8', null=True, verbose_name='PEP'),
+        ),
+        migrations.AddField(
+            model_name='reference',
+            name='pep',
+            field=models.PositiveIntegerField(blank=True, help_text='Номер предложения по улучшению Питона, связанного с этой статьёй, например: <i>8</i> для PEP-8', null=True, verbose_name='PEP'),
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='text_src',
+            field=models.TextField(help_text='Обзорное, более полное описание нововведений и изменений, произошедших в версии. <strong>Без обозначения личного отношения. Личное отношение можно выразить в Обсуждениях к материалу.</strong>', verbose_name='Исходный текст'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0031_auto_20160818_1057.py b/pythonz/apps/migrations/0031_auto_20160818_1057.py
new file mode 100644
index 00000000..54accdf1
--- /dev/null
+++ b/pythonz/apps/migrations/0031_auto_20160818_1057.py
@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.9 on 2016-08-18 08:57
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0030_auto_20160711_0915'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ReferenceMissing',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('term', models.CharField(max_length=255, unique=True, verbose_name='Термин')),
+                ('synonyms', models.TextField(blank=True, verbose_name='Синонимы')),
+                ('hits', models.PositiveIntegerField(default=0, verbose_name='Запросы')),
+            ],
+            options={
+                'verbose_name_plural': 'Промахи справочника',
+                'verbose_name': 'Промах справочника',
+            },
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='isbn',
+            field=models.CharField(blank=True, max_length=20, null=True, unique=True, verbose_name='ISBN'),
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='isbn_ebook',
+            field=models.CharField(blank=True, max_length=20, null=True, unique=True, verbose_name='ISBN эл. книги'),
+        ),
+        migrations.AlterField(
+            model_name='historicalbook',
+            name='isbn',
+            field=models.CharField(blank=True, db_index=True, max_length=20, null=True, verbose_name='ISBN'),
+        ),
+        migrations.AlterField(
+            model_name='historicalbook',
+            name='isbn_ebook',
+            field=models.CharField(blank=True, db_index=True, max_length=20, null=True, verbose_name='ISBN эл. книги'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0032_auto_20160908_1754.py b/pythonz/apps/migrations/0032_auto_20160908_1754.py
new file mode 100644
index 00000000..7d61ad16
--- /dev/null
+++ b/pythonz/apps/migrations/0032_auto_20160908_1754.py
@@ -0,0 +1,31 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2016-09-08 15:54
+from __future__ import unicode_literals
+
+import django.contrib.auth.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0031_auto_20160818_1057'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='article',
+            name='url',
+            field=models.URLField(blank=True, help_text='Внешний URL, по которому доступна статья, которой вы желаете поделиться.', null=True, unique=True, verbose_name='URL статьи'),
+        ),
+        migrations.AlterField(
+            model_name='historicalarticle',
+            name='url',
+            field=models.URLField(blank=True, db_index=True, help_text='Внешний URL, по которому доступна статья, которой вы желаете поделиться.', null=True, verbose_name='URL статьи'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='username',
+            field=models.CharField(error_messages={'unique': 'A user with that username already exists.'}, help_text='Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.', max_length=150, unique=True, validators=[django.contrib.auth.validators.UnicodeUsernameValidator()], verbose_name='username'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0033_user_twitter.py b/pythonz/apps/migrations/0033_user_twitter.py
new file mode 100644
index 00000000..bbe3c442
--- /dev/null
+++ b/pythonz/apps/migrations/0033_user_twitter.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2016-09-10 10:21
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0032_auto_20160908_1754'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='user',
+            name='twitter',
+            field=models.CharField(blank=True, default='', help_text='Имя в Twitter.', max_length=100, verbose_name='Twitter'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0034_auto_20160913_1028.py b/pythonz/apps/migrations/0034_auto_20160913_1028.py
new file mode 100644
index 00000000..9457a170
--- /dev/null
+++ b/pythonz/apps/migrations/0034_auto_20160913_1028.py
@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2016-09-13 08:28
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0033_user_twitter'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='version',
+            options={'ordering': ('-date',), 'verbose_name': 'Версия Python', 'verbose_name_plural': 'Версии Python'},
+        ),
+        migrations.AddField(
+            model_name='version',
+            name='date',
+            field=models.DateField(default=django.utils.timezone.now, verbose_name='Дата выпуска'),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='current',
+            field=models.BooleanField(default=False, verbose_name='Текущая'),
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='title',
+            field=models.CharField(help_text='Например: 2.7.12, 3.6.0', max_length=255, unique=True, verbose_name='Название'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0035_auto_20160921_0745.py b/pythonz/apps/migrations/0035_auto_20160921_0745.py
new file mode 100644
index 00000000..5710f9c0
--- /dev/null
+++ b/pythonz/apps/migrations/0035_auto_20160921_0745.py
@@ -0,0 +1,56 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2016-09-21 05:45
+from __future__ import unicode_literals
+
+from ..generics.models import get_upload_to
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0034_auto_20160913_1028'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='PEP',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=255, unique=True, verbose_name='Название')),
+                ('slug', models.CharField(blank=True, max_length=200, null=True, unique=True, verbose_name='Краткое имя для URL')),
+                ('description', models.TextField(verbose_name='Описание')),
+                ('cover', models.ImageField(blank=True, max_length=255, null=True, upload_to=get_upload_to, verbose_name='Обложка')),
+                ('year', models.CharField(blank=True, max_length=10, null=True, verbose_name='Год')),
+                ('time_created', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
+                ('time_published', models.DateTimeField(editable=False, null=True, verbose_name='Дата публикации')),
+                ('time_modified', models.DateTimeField(editable=False, null=True, verbose_name='Дата редактирования')),
+                ('supporters_num', models.PositiveIntegerField(default=0, verbose_name='Поддержка')),
+                ('num', models.PositiveIntegerField(verbose_name='Номер')),
+                ('status', models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Действует'), (3, 'Отозвано [автором]'), (4, 'Отложено'), (5, 'Отклонено'), (6, 'Утверждено (принято; возможно не реализовано)'), (7, 'Финализировано (работа завершена; реализовано)'), (8, 'Заменено (имеется более актуальное PEP)'), (9, 'Розыгрыш на 1 апреля')], default=1, verbose_name='Статус')),
+                ('type', models.PositiveIntegerField(choices=[(1, 'Процесс'), (2, 'Стандарт'), (3, 'Информация')], default=2, verbose_name='Тип')),
+                ('last_editor', models.ForeignKey(blank=True, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.CASCADE, related_name='pep_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор')),
+                ('linked', models.ManyToManyField(blank=True, help_text='Выберите объекты, имеющие отношение к данному.', related_name='_pep_linked_+', to='apps.PEP', verbose_name='Связанные объекты')),
+                ('replaces', models.ManyToManyField(related_name='_pep_replaces_+', to='apps.PEP', verbose_name='Поглощает')),
+                ('requires', models.ManyToManyField(related_name='_pep_requires_+', to='apps.PEP', verbose_name='Зависит от')),
+                ('submitter', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='pep_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил')),
+                ('superseded', models.ManyToManyField(related_name='_pep_superseded_+', to='apps.PEP', verbose_name='Заменено на')),
+            ],
+            options={
+                'verbose_name_plural': 'Список PEP',
+                'verbose_name': 'PEP',
+            },
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='title',
+            field=models.CharField(help_text='Номер версии с двумя обязательными разрядами и третим опциональным. Например: 2.7.12, 3.6.', max_length=255, unique=True, verbose_name='Название'),
+        ),
+        migrations.AddField(
+            model_name='pep',
+            name='versions',
+            field=models.ManyToManyField(related_name='peps', to='apps.Version', verbose_name='Версии Питона'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0036_auto_20160921_0852.py b/pythonz/apps/migrations/0036_auto_20160921_0852.py
new file mode 100644
index 00000000..2b0a8e1d
--- /dev/null
+++ b/pythonz/apps/migrations/0036_auto_20160921_0852.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2016-09-21 06:52
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0035_auto_20160921_0745'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='pep',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0037_auto_20160921_1155.py b/pythonz/apps/migrations/0037_auto_20160921_1155.py
new file mode 100644
index 00000000..41b12d73
--- /dev/null
+++ b/pythonz/apps/migrations/0037_auto_20160921_1155.py
@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2016-09-21 09:55
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0036_auto_20160921_0852'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='pep',
+            name='replaces',
+            field=models.ManyToManyField(related_name='replaced_by', to='apps.PEP', verbose_name='Поглощает'),
+        ),
+        migrations.AlterField(
+            model_name='pep',
+            name='requires',
+            field=models.ManyToManyField(related_name='used_by', to='apps.PEP', verbose_name='Зависит от'),
+        ),
+        migrations.AlterField(
+            model_name='pep',
+            name='superseded',
+            field=models.ManyToManyField(related_name='supersedes', to='apps.PEP', verbose_name='Заменено на'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0038_auto_20161230_1453.py b/pythonz/apps/migrations/0038_auto_20161230_1453.py
new file mode 100644
index 00000000..5971f346
--- /dev/null
+++ b/pythonz/apps/migrations/0038_auto_20161230_1453.py
@@ -0,0 +1,178 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2016-12-30 13:53
+from __future__ import unicode_literals
+
+from ..models import UtmReady
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import etc.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0037_auto_20160921_1155'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Person',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('text', models.TextField(verbose_name='Текст')),
+                ('text_src', models.TextField(verbose_name='Исходный текст')),
+                ('time_created', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
+                ('time_published', models.DateTimeField(editable=False, null=True, verbose_name='Дата публикации')),
+                ('time_modified', models.DateTimeField(editable=False, null=True, verbose_name='Дата редактирования')),
+                ('status', models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус')),
+                ('supporters_num', models.PositiveIntegerField(default=0, verbose_name='Поддержка')),
+                ('name', models.CharField(blank=True, max_length=90, verbose_name='Имя')),
+                ('name_en', models.CharField(blank=True, max_length=90, verbose_name='Имя англ.')),
+                ('aka', models.CharField(blank=True, max_length=255, verbose_name='Другие имена')),
+            ],
+            options={
+                'verbose_name': 'Персона',
+                'verbose_name_plural': 'Персоны',
+            },
+            bases=(UtmReady, etc.models.InheritedModel, models.Model),
+        ),
+        migrations.AlterModelOptions(
+            name='pep',
+            options={'verbose_name': 'PEP', 'verbose_name_plural': 'PEP'},
+        ),
+        migrations.AlterModelOptions(
+            name='user',
+            options={'verbose_name': 'Пользователь', 'verbose_name_plural': 'Пользователи'},
+        ),
+        migrations.AlterField(
+            model_name='article',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='community',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='discussion',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='externalresource',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicalarticle',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicalbook',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicalcommunity',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicaldiscussion',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicalplace',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicalreference',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicalvideo',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='pep',
+            name='replaces',
+            field=models.ManyToManyField(blank=True, related_name='replaced_by', to='apps.PEP', verbose_name='Поглощает'),
+        ),
+        migrations.AlterField(
+            model_name='pep',
+            name='requires',
+            field=models.ManyToManyField(blank=True, related_name='used_by', to='apps.PEP', verbose_name='Зависит от'),
+        ),
+        migrations.AlterField(
+            model_name='pep',
+            name='superseded',
+            field=models.ManyToManyField(blank=True, related_name='supersedes', to='apps.PEP', verbose_name='Заменено на'),
+        ),
+        migrations.AlterField(
+            model_name='pep',
+            name='versions',
+            field=models.ManyToManyField(blank=True, related_name='peps', to='apps.Version', verbose_name='Версии Питона'),
+        ),
+        migrations.AlterField(
+            model_name='place',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='vacancy',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='video',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AddField(
+            model_name='person',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.CASCADE, related_name='person_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AddField(
+            model_name='person',
+            name='user',
+            field=models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='person', to=settings.AUTH_USER_MODEL, verbose_name='Пользователь'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0039_pep_authors.py b/pythonz/apps/migrations/0039_pep_authors.py
new file mode 100644
index 00000000..0122d1b0
--- /dev/null
+++ b/pythonz/apps/migrations/0039_pep_authors.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2016-12-30 15:26
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0038_auto_20161230_1453'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='pep',
+            name='authors',
+            field=models.ManyToManyField(blank=True, related_name='peps', to='apps.Person', verbose_name='Авторы'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0040_auto_20161231_0641.py b/pythonz/apps/migrations/0040_auto_20161231_0641.py
new file mode 100644
index 00000000..06a0f6bc
--- /dev/null
+++ b/pythonz/apps/migrations/0040_auto_20161231_0641.py
@@ -0,0 +1,92 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10 on 2016-12-31 05:41
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0039_pep_authors'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='externalresource',
+            name='submitter',
+            field=models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='externalresource_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AddField(
+            model_name='historicalplace',
+            name='submitter',
+            field=models.ForeignKey(blank=True, db_constraint=False, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL),
+        ),
+        migrations.AddField(
+            model_name='person',
+            name='submitter',
+            field=models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='person_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AddField(
+            model_name='place',
+            name='submitter',
+            field=models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='place_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AddField(
+            model_name='user',
+            name='submitter',
+            field=models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='user_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AddField(
+            model_name='vacancy',
+            name='submitter',
+            field=models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='vacancy_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='article',
+            name='submitter',
+            field=models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='article_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='submitter',
+            field=models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='book_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='community',
+            name='submitter',
+            field=models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='community_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='discussion',
+            name='submitter',
+            field=models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='discussion_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='submitter',
+            field=models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='event_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='pep',
+            name='submitter',
+            field=models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='pep_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='submitter',
+            field=models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='reference_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='submitter',
+            field=models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='version_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='video',
+            name='submitter',
+            field=models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='video_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0041_auto_20170423_0536.py b/pythonz/apps/migrations/0041_auto_20170423_0536.py
new file mode 100644
index 00000000..bf10b08f
--- /dev/null
+++ b/pythonz/apps/migrations/0041_auto_20170423_0536.py
@@ -0,0 +1,55 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11 on 2017-04-23 03:36
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0040_auto_20161231_0641'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='book',
+            name='authors',
+            field=models.ManyToManyField(blank=True, related_name='books', to='apps.Person', verbose_name='Авторы'),
+        ),
+        migrations.AddField(
+            model_name='video',
+            name='authors',
+            field=models.ManyToManyField(blank=True, related_name='videos', to='apps.Person', verbose_name='Авторы'),
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='author',
+            field=models.CharField(help_text='Предпочтительно имя и фамилия. Можно указать несколько, разделяя запятыми.', max_length=255, verbose_name='Автор'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='specialization',
+            field=models.PositiveIntegerField(choices=[(1, 'Только Python'), (4, 'В основном Python'), (2, 'Есть секция/отделение про Python'), (3, 'Есть упоминания про Python')], default=1, verbose_name='Специализация'),
+        ),
+        migrations.AlterField(
+            model_name='historicalbook',
+            name='author',
+            field=models.CharField(help_text='Предпочтительно имя и фамилия. Можно указать несколько, разделяя запятыми.', max_length=255, verbose_name='Автор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='specialization',
+            field=models.PositiveIntegerField(choices=[(1, 'Только Python'), (4, 'В основном Python'), (2, 'Есть секция/отделение про Python'), (3, 'Есть упоминания про Python')], default=1, verbose_name='Специализация'),
+        ),
+        migrations.AlterField(
+            model_name='historicalvideo',
+            name='author',
+            field=models.CharField(help_text='Предпочтительно имя и фамилия. Можно указать несколько, разделяя запятыми.', max_length=255, verbose_name='Автор'),
+        ),
+        migrations.AlterField(
+            model_name='video',
+            name='author',
+            field=models.CharField(help_text='Предпочтительно имя и фамилия. Можно указать несколько, разделяя запятыми.', max_length=255, verbose_name='Автор'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0042_summary.py b/pythonz/apps/migrations/0042_summary.py
new file mode 100644
index 00000000..630f3996
--- /dev/null
+++ b/pythonz/apps/migrations/0042_summary.py
@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11 on 2017-06-11 10:49
+from __future__ import unicode_literals
+
+from ..models import UtmReady
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0041_auto_20170423_0536'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Summary',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('time_created', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
+                ('time_published', models.DateTimeField(editable=False, null=True, verbose_name='Дата публикации')),
+                ('time_modified', models.DateTimeField(editable=False, null=True, verbose_name='Дата редактирования')),
+                ('status', models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (5, 'К отложенной публикации'), (3, 'Удален'), (4, 'В архиве')], default=1, verbose_name='Статус')),
+                ('supporters_num', models.PositiveIntegerField(default=0, verbose_name='Поддержка')),
+                ('data_items', models.TextField(verbose_name='Элементы сводки')),
+                ('data_result', models.TextField(verbose_name='Результат компоновки сводки')),
+                ('last_editor', models.ForeignKey(blank=True, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.CASCADE, related_name='summary_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор')),
+                ('submitter', models.ForeignKey(default=111, on_delete=django.db.models.deletion.CASCADE, related_name='summary_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил')),
+            ],
+            options={
+                'ordering': ('-time_created',),
+                'verbose_name_plural': 'Сводки',
+                'verbose_name': 'Сводка',
+            },
+            bases=(UtmReady, models.Model),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0043_auto_20180603_1236.py b/pythonz/apps/migrations/0043_auto_20180603_1236.py
new file mode 100644
index 00000000..b8a91815
--- /dev/null
+++ b/pythonz/apps/migrations/0043_auto_20180603_1236.py
@@ -0,0 +1,64 @@
+# Generated by Django 2.0.6 on 2018-06-03 05:36
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0042_summary'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='historicalarticle',
+            name='history_change_reason',
+            field=models.CharField(max_length=100, null=True),
+        ),
+        migrations.AddField(
+            model_name='historicalbook',
+            name='history_change_reason',
+            field=models.CharField(max_length=100, null=True),
+        ),
+        migrations.AddField(
+            model_name='historicalcommunity',
+            name='history_change_reason',
+            field=models.CharField(max_length=100, null=True),
+        ),
+        migrations.AddField(
+            model_name='historicaldiscussion',
+            name='history_change_reason',
+            field=models.CharField(max_length=100, null=True),
+        ),
+        migrations.AddField(
+            model_name='historicalevent',
+            name='history_change_reason',
+            field=models.CharField(max_length=100, null=True),
+        ),
+        migrations.AddField(
+            model_name='historicalplace',
+            name='history_change_reason',
+            field=models.CharField(max_length=100, null=True),
+        ),
+        migrations.AddField(
+            model_name='historicalreference',
+            name='history_change_reason',
+            field=models.CharField(max_length=100, null=True),
+        ),
+        migrations.AddField(
+            model_name='historicalvideo',
+            name='history_change_reason',
+            field=models.CharField(max_length=100, null=True),
+        ),
+        migrations.AlterField(
+            model_name='historicalreference',
+            name='parent',
+            field=models.ForeignKey(blank=True, db_constraint=False, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='apps.Reference'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='last_name',
+            field=models.CharField(blank=True, max_length=150, verbose_name='last name'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0044_auto_20200118_1836.py b/pythonz/apps/migrations/0044_auto_20200118_1836.py
new file mode 100644
index 00000000..58605cd9
--- /dev/null
+++ b/pythonz/apps/migrations/0044_auto_20200118_1836.py
@@ -0,0 +1,213 @@
+# Generated by Django 3.0.2 on 2020-01-18 11:36
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('sitecats', '0001_initial'),
+        ('contenttypes', '0002_remove_content_type_name'),
+        ('apps', '0043_auto_20180603_1236'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Category',
+            fields=[
+            ],
+            options={
+                'proxy': True,
+                'indexes': [],
+                'constraints': [],
+            },
+            bases=('sitecats.category',),
+        ),
+        migrations.AlterField(
+            model_name='article',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='article_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='book_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='community',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='community_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='discussion',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='discussion_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='event_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='externalresource',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='externalresource_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='historicalarticle',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalarticle',
+            name='submitter',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='historicalbook',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalbook',
+            name='submitter',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='historicalcommunity',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalcommunity',
+            name='place',
+            field=models.ForeignKey(blank=True, db_constraint=False, help_text='Для географически локализованных сообществ можно указать место (страна, город, село).<br>Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='apps.Place', verbose_name='Место'),
+        ),
+        migrations.AlterField(
+            model_name='historicalcommunity',
+            name='submitter',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='historicaldiscussion',
+            name='content_type',
+            field=models.ForeignKey(blank=True, db_constraint=False, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='contenttypes.ContentType', verbose_name='Тип содержимого'),
+        ),
+        migrations.AlterField(
+            model_name='historicaldiscussion',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicaldiscussion',
+            name='submitter',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='place',
+            field=models.ForeignKey(blank=True, db_constraint=False, help_text='Укажите место проведения мероприятия.<br><b>Конкретный адрес следует указывать в описании.</b><br>Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='apps.Place', verbose_name='Место'),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='submitter',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='historicalplace',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalplace',
+            name='submitter',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='historicalreference',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalreference',
+            name='parent',
+            field=models.ForeignKey(blank=True, db_constraint=False, help_text='Укажите родительский раздел. Например, для модуля можно указать раздел справки, в которому он относится; для метода &#8212; класс.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='apps.Reference', verbose_name='Родитель'),
+        ),
+        migrations.AlterField(
+            model_name='historicalreference',
+            name='submitter',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='historicalreference',
+            name='version_added',
+            field=models.ForeignKey(blank=True, db_constraint=False, help_text='Версия Python, для которой впервые стала актульна данная статья<br>(версия, где впервые появился модуль, пакет, класс, функция).', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='apps.Version', verbose_name='Добавлено в'),
+        ),
+        migrations.AlterField(
+            model_name='historicalreference',
+            name='version_deprecated',
+            field=models.ForeignKey(blank=True, db_constraint=False, help_text='Версия Python, для которой впервые данная статья перестала быть актуальной<br>(версия, где модуль, пакет, класс, функция были объявлены устаревшими).', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='apps.Version', verbose_name='Устарело в'),
+        ),
+        migrations.AlterField(
+            model_name='historicalvideo',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalvideo',
+            name='submitter',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='pep',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='pep_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='person',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='person_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='place',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='place_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='reference_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='summary',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='summary_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='user_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='vacancy',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='vacancy_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='version_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='video',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, related_name='video_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0045_auto_20200125_1730.py b/pythonz/apps/migrations/0045_auto_20200125_1730.py
new file mode 100644
index 00000000..e48a74eb
--- /dev/null
+++ b/pythonz/apps/migrations/0045_auto_20200125_1730.py
@@ -0,0 +1,23 @@
+# Generated by Django 3.0.2 on 2020-01-25 10:30
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0044_auto_20200118_1836'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='summary',
+            name='data_items',
+            field=models.TextField(verbose_name='Текущие элементы сводки'),
+        ),
+        migrations.AlterField(
+            model_name='summary',
+            name='data_result',
+            field=models.TextField(help_text='Данные для фильтрации элементов сводки при последующих обращениях к ресурсу.', verbose_name='Результат для фильтрации сводки'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0046_auto_20200223_1639.py b/pythonz/apps/migrations/0046_auto_20200223_1639.py
new file mode 100644
index 00000000..09046f69
--- /dev/null
+++ b/pythonz/apps/migrations/0046_auto_20200223_1639.py
@@ -0,0 +1,143 @@
+# Generated by Django 3.0.3 on 2020-02-23 09:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0045_auto_20200125_1730'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='article',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='community',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='discussion',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='specialization',
+            field=models.PositiveIntegerField(choices=[(1, 'Только Python'), (2, 'В основном Python'), (3, 'Есть секция/отделение про Python'), (4, 'Есть упоминания про Python')], default=1, verbose_name='Специализация'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='type',
+            field=models.PositiveIntegerField(choices=[(1, 'Встреча'), (2, 'Лекция'), (3, 'Конференция'), (4, 'Спринт')], default=1, verbose_name='Тип'),
+        ),
+        migrations.AlterField(
+            model_name='externalresource',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicalarticle',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicalbook',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicalcommunity',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicaldiscussion',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='specialization',
+            field=models.PositiveIntegerField(choices=[(1, 'Только Python'), (2, 'В основном Python'), (3, 'Есть секция/отделение про Python'), (4, 'Есть упоминания про Python')], default=1, verbose_name='Специализация'),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='type',
+            field=models.PositiveIntegerField(choices=[(1, 'Встреча'), (2, 'Лекция'), (3, 'Конференция'), (4, 'Спринт')], default=1, verbose_name='Тип'),
+        ),
+        migrations.AlterField(
+            model_name='historicalplace',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicalreference',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='historicalvideo',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='person',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='place',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='summary',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='vacancy',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+        migrations.AlterField(
+            model_name='video',
+            name='status',
+            field=models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0047_auto_20200224_1208.py b/pythonz/apps/migrations/0047_auto_20200224_1208.py
new file mode 100644
index 00000000..c9c6b01f
--- /dev/null
+++ b/pythonz/apps/migrations/0047_auto_20200224_1208.py
@@ -0,0 +1,24 @@
+# Generated by Django 3.0.3 on 2020-02-24 05:08
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0046_auto_20200223_1639'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='vacancy',
+            name='place',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='lnk_vacancy', to='apps.Place', verbose_name='Место'),
+        ),
+        migrations.AlterField(
+            model_name='vacancy',
+            name='url_site',
+            field=models.URLField(blank=True, null=True, verbose_name='Страница в сети'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0048_auto_20200224_1212.py b/pythonz/apps/migrations/0048_auto_20200224_1212.py
new file mode 100644
index 00000000..3442a037
--- /dev/null
+++ b/pythonz/apps/migrations/0048_auto_20200224_1212.py
@@ -0,0 +1,19 @@
+# Generated by Django 3.0.3 on 2020-02-24 05:12
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0047_auto_20200224_1208'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='vacancy',
+            old_name='url_site',
+            new_name='url',
+        ),
+
+    ]
diff --git a/pythonz/apps/migrations/0049_auto_20200224_1216.py b/pythonz/apps/migrations/0049_auto_20200224_1216.py
new file mode 100644
index 00000000..43e10203
--- /dev/null
+++ b/pythonz/apps/migrations/0049_auto_20200224_1216.py
@@ -0,0 +1,33 @@
+# Generated by Django 3.0.3 on 2020-02-24 05:16
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0048_auto_20200224_1212'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='vacancy',
+            name='src_alias',
+            field=models.CharField(blank=True, choices=[('hh', 'hh.ru')], max_length=20, null=True, verbose_name='Идентификатор источника'),
+        ),
+        migrations.AlterField(
+            model_name='vacancy',
+            name='src_id',
+            field=models.CharField(blank=True, max_length=50, null=True, verbose_name='ID в источнике'),
+        ),
+        migrations.AlterField(
+            model_name='vacancy',
+            name='src_place_id',
+            field=models.CharField(db_index=True, default='', max_length=20, verbose_name='ID места в источнике'),
+        ),
+        migrations.AlterField(
+            model_name='vacancy',
+            name='src_place_name',
+            field=models.CharField(default='', max_length=255, verbose_name='Название места в источнике'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0050_auto_20200224_1353.py b/pythonz/apps/migrations/0050_auto_20200224_1353.py
new file mode 100644
index 00000000..2921b918
--- /dev/null
+++ b/pythonz/apps/migrations/0050_auto_20200224_1353.py
@@ -0,0 +1,88 @@
+# Generated by Django 3.0.3 on 2020-02-24 06:53
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0049_auto_20200224_1216'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='event',
+            name='src_alias',
+            field=models.CharField(blank=True, choices=[('pyglob', 'Официальный календарь'), ('pyuser', 'Календарь сообществ')], max_length=20, null=True, verbose_name='Идентификатор источника'),
+        ),
+        migrations.AddField(
+            model_name='event',
+            name='src_id',
+            field=models.CharField(blank=True, max_length=50, null=True, verbose_name='ID в источнике'),
+        ),
+        migrations.AddField(
+            model_name='event',
+            name='src_place_id',
+            field=models.CharField(db_index=True, default='', max_length=20, verbose_name='ID места в источнике'),
+        ),
+        migrations.AddField(
+            model_name='event',
+            name='src_place_name',
+            field=models.CharField(default='', max_length=255, verbose_name='Название места в источнике'),
+        ),
+        migrations.AddField(
+            model_name='historicalevent',
+            name='src_alias',
+            field=models.CharField(blank=True, choices=[('pyglob', 'Официальный календарь'), ('pyuser', 'Календарь сообществ')], max_length=20, null=True, verbose_name='Идентификатор источника'),
+        ),
+        migrations.AddField(
+            model_name='historicalevent',
+            name='src_id',
+            field=models.CharField(blank=True, max_length=50, null=True, verbose_name='ID в источнике'),
+        ),
+        migrations.AddField(
+            model_name='historicalevent',
+            name='src_place_id',
+            field=models.CharField(db_index=True, default='', max_length=20, verbose_name='ID места в источнике'),
+        ),
+        migrations.AddField(
+            model_name='historicalevent',
+            name='src_place_name',
+            field=models.CharField(default='', max_length=255, verbose_name='Название места в источнике'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='description',
+            field=models.TextField(verbose_name='Описание'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='fee',
+            field=models.BooleanField(blank=True, db_index=True, null=True, verbose_name='Участие платное'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='place',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='lnk_event', to='apps.Place', verbose_name='Место'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='text_src',
+            field=models.TextField(verbose_name='Исходный текст'),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='fee',
+            field=models.BooleanField(blank=True, db_index=True, null=True, verbose_name='Участие платное'),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='place',
+            field=models.ForeignKey(blank=True, db_constraint=False, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to='apps.Place', verbose_name='Место'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='vacancy',
+            unique_together=set(),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0051_auto_20200225_1824.py b/pythonz/apps/migrations/0051_auto_20200225_1824.py
new file mode 100644
index 00000000..62f99fb9
--- /dev/null
+++ b/pythonz/apps/migrations/0051_auto_20200225_1824.py
@@ -0,0 +1,38 @@
+# Generated by Django 3.0.3 on 2020-02-25 11:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0050_auto_20200224_1353'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='event',
+            name='src_place_id',
+            field=models.CharField(db_index=True, default='', max_length=50, verbose_name='ID места в источнике'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='type',
+            field=models.PositiveIntegerField(choices=[(1, 'Встреча'), (2, 'Конференция'), (3, 'Лекция'), (4, 'Спринт')], default=1, verbose_name='Тип'),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='src_place_id',
+            field=models.CharField(db_index=True, default='', max_length=50, verbose_name='ID места в источнике'),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='type',
+            field=models.PositiveIntegerField(choices=[(1, 'Встреча'), (2, 'Конференция'), (3, 'Лекция'), (4, 'Спринт')], default=1, verbose_name='Тип'),
+        ),
+        migrations.AlterField(
+            model_name='vacancy',
+            name='src_place_id',
+            field=models.CharField(db_index=True, default='', max_length=50, verbose_name='ID места в источнике'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0052_auto_20200228_1857.py b/pythonz/apps/migrations/0052_auto_20200228_1857.py
new file mode 100644
index 00000000..a7960c24
--- /dev/null
+++ b/pythonz/apps/migrations/0052_auto_20200228_1857.py
@@ -0,0 +1,96 @@
+# Generated by Django 3.0.3 on 2020-02-28 11:57
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0051_auto_20200225_1824'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='article',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterField(
+            model_name='community',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterField(
+            model_name='discussion',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterField(
+            model_name='historicalarticle',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterField(
+            model_name='historicalbook',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterField(
+            model_name='historicalcommunity',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterField(
+            model_name='historicaldiscussion',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterField(
+            model_name='historicalreference',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterField(
+            model_name='historicalvideo',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='title',
+            field=models.CharField(help_text='Здесь следует указать название раздела справки или пакета, модуля, класса, метода, функции и т.п.', max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='title',
+            field=models.CharField(help_text='Номер версии с двумя обязательными разрядами и третим опциональным. Например: 2.7.12, 3.6.', max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterField(
+            model_name='video',
+            name='title',
+            field=models.CharField(max_length=255, verbose_name='Название'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='event',
+            unique_together={('src_alias', 'src_id')},
+        ),
+        migrations.AlterUniqueTogether(
+            name='vacancy',
+            unique_together={('src_alias', 'src_id')},
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0053_auto_20200404_1458.py b/pythonz/apps/migrations/0053_auto_20200404_1458.py
new file mode 100644
index 00000000..7a5dd009
--- /dev/null
+++ b/pythonz/apps/migrations/0053_auto_20200404_1458.py
@@ -0,0 +1,22 @@
+# Generated by Django 3.0.4 on 2020-04-04 07:58
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0052_auto_20200228_1857'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='version',
+            name='current',
+        ),
+        migrations.AddField(
+            model_name='version',
+            name='date_till',
+            field=models.DateField(blank=True, null=True, verbose_name='Окончание поддержки'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0054_auto_20200421_1834.py b/pythonz/apps/migrations/0054_auto_20200421_1834.py
new file mode 100644
index 00000000..234d3098
--- /dev/null
+++ b/pythonz/apps/migrations/0054_auto_20200421_1834.py
@@ -0,0 +1,251 @@
+# Generated by Django 3.0.5 on 2020-04-21 11:34
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('contenttypes', '0002_remove_content_type_name'),
+        ('apps', '0053_auto_20200404_1458'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='article',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='article_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='article',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='article_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='book_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='book_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='community',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='community_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='community',
+            name='place',
+            field=models.ForeignKey(blank=True, help_text='Для географически локализованных сообществ можно указать место (страна, город, село).<br>Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='communities', to='apps.Place', verbose_name='Место'),
+        ),
+        migrations.AlterField(
+            model_name='community',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='community_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='discussion',
+            name='content_type',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='discussion_discussions', to='contenttypes.ContentType', verbose_name='Тип содержимого'),
+        ),
+        migrations.AlterField(
+            model_name='discussion',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='discussion_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='discussion',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='discussion_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='event_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='place',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='lnk_event', to='apps.Place', verbose_name='Место'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='event_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='externalresource',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='externalresource_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='externalresource',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='externalresource_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='historicalarticle',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalbook',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalcommunity',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicaldiscussion',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalplace',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalreference',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalvideo',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, db_constraint=False, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='pep',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='pep_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='pep',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='pep_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='person',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='person_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='person',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='person_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='person',
+            name='user',
+            field=models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='person', to=settings.AUTH_USER_MODEL, verbose_name='Пользователь'),
+        ),
+        migrations.AlterField(
+            model_name='place',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='place_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='place',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='place_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='reference_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='parent',
+            field=models.ForeignKey(blank=True, help_text='Укажите родительский раздел. Например, для модуля можно указать раздел справки, в которому он относится; для метода &#8212; класс.', null=True, on_delete=django.db.models.deletion.PROTECT, related_name='children', to='apps.Reference', verbose_name='Родитель'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='reference_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='version_added',
+            field=models.ForeignKey(blank=True, help_text='Версия Python, для которой впервые стала актульна данная статья<br>(версия, где впервые появился модуль, пакет, класс, функция).', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='reference_added', to='apps.Version', verbose_name='Добавлено в'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='version_deprecated',
+            field=models.ForeignKey(blank=True, help_text='Версия Python, для которой впервые данная статья перестала быть актуальной<br>(версия, где модуль, пакет, класс, функция были объявлены устаревшими).', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='reference_deprecated', to='apps.Version', verbose_name='Устарело в'),
+        ),
+        migrations.AlterField(
+            model_name='summary',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='summary_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='summary',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='summary_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='user_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='place',
+            field=models.ForeignKey(blank=True, help_text='Место вашего пребывания (страна, город, село).<br>Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='users', to='apps.Place', verbose_name='Место'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='user_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='vacancy',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='vacancy_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='vacancy',
+            name='place',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='lnk_vacancy', to='apps.Place', verbose_name='Место'),
+        ),
+        migrations.AlterField(
+            model_name='vacancy',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='vacancy_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='version_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='version_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='video',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='video_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='video',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='video_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0055_auto_20201031_2102.py b/pythonz/apps/migrations/0055_auto_20201031_2102.py
new file mode 100644
index 00000000..cf99c61c
--- /dev/null
+++ b/pythonz/apps/migrations/0055_auto_20201031_2102.py
@@ -0,0 +1,105 @@
+# Generated by Django 3.1.2 on 2020-10-31 14:02
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import pythonz.apps.generics.models
+import simple_history.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0054_auto_20200421_1834'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='book',
+            name='author',
+            field=models.CharField(help_text='Предпочтительно имя и фамилия. Можно указать несколько, разделяя запятыми.<br><b>[u:<ид>:<имя>]</b> формирует ссылку на профиль пользователя pythonz. Например: [u:1:идле].', max_length=255, verbose_name='Автор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalbook',
+            name='author',
+            field=models.CharField(help_text='Предпочтительно имя и фамилия. Можно указать несколько, разделяя запятыми.<br><b>[u:<ид>:<имя>]</b> формирует ссылку на профиль пользователя pythonz. Например: [u:1:идле].', max_length=255, verbose_name='Автор'),
+        ),
+        migrations.AlterField(
+            model_name='historicalvideo',
+            name='author',
+            field=models.CharField(help_text='Предпочтительно имя и фамилия. Можно указать несколько, разделяя запятыми.<br><b>[u:<ид>:<имя>]</b> формирует ссылку на профиль пользователя pythonz. Например: [u:1:идле].', max_length=255, verbose_name='Автор'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='first_name',
+            field=models.CharField(blank=True, max_length=150, verbose_name='first name'),
+        ),
+        migrations.AlterField(
+            model_name='video',
+            name='author',
+            field=models.CharField(help_text='Предпочтительно имя и фамилия. Можно указать несколько, разделяя запятыми.<br><b>[u:<ид>:<имя>]</b> формирует ссылку на профиль пользователя pythonz. Например: [u:1:идле].', max_length=255, verbose_name='Автор'),
+        ),
+        migrations.CreateModel(
+            name='HistoricalApp',
+            fields=[
+                ('id', models.IntegerField(auto_created=True, blank=True, db_index=True, verbose_name='ID')),
+                ('author', models.CharField(help_text='Предпочтительно имя и фамилия. Можно указать несколько, разделяя запятыми.<br><b>[u:<ид>:<имя>]</b> формирует ссылку на профиль пользователя pythonz. Например: [u:1:идле].', max_length=255, verbose_name='Автор')),
+                ('text', models.TextField(verbose_name='Текст')),
+                ('text_src', models.TextField(verbose_name='Исходный текст')),
+                ('title', models.CharField(max_length=255, verbose_name='Название')),
+                ('slug', models.CharField(blank=True, db_index=True, max_length=200, null=True, verbose_name='Краткое имя для URL')),
+                ('description', models.TextField(verbose_name='Описание')),
+                ('cover', models.TextField(blank=True, max_length=255, null=True, verbose_name='Обложка')),
+                ('year', models.CharField(blank=True, max_length=10, null=True, verbose_name='Год')),
+                ('time_created', models.DateTimeField(blank=True, editable=False, verbose_name='Дата создания')),
+                ('time_published', models.DateTimeField(editable=False, null=True, verbose_name='Дата публикации')),
+                ('time_modified', models.DateTimeField(editable=False, null=True, verbose_name='Дата редактирования')),
+                ('status', models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус')),
+                ('supporters_num', models.PositiveIntegerField(default=0, verbose_name='Поддержка')),
+                ('repo', models.URLField(blank=True, db_index=True, help_text='URL, по которому доступен исходный код приложения.', null=True, verbose_name='Репозиторий')),
+                ('downloads', models.JSONField(default=dict, verbose_name='Загрузки')),
+                ('history_id', models.AutoField(primary_key=True, serialize=False)),
+                ('history_date', models.DateTimeField()),
+                ('history_change_reason', models.CharField(max_length=100, null=True)),
+                ('history_type', models.CharField(choices=[('+', 'Created'), ('~', 'Changed'), ('-', 'Deleted')], max_length=1)),
+                ('history_user', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to=settings.AUTH_USER_MODEL)),
+                ('last_editor', models.ForeignKey(blank=True, db_constraint=False, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Редактор')),
+                ('submitter', models.ForeignKey(blank=True, db_constraint=False, default=1, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='+', to=settings.AUTH_USER_MODEL, verbose_name='Добавил')),
+            ],
+            options={
+                'verbose_name': 'historical Приложение',
+                'ordering': ('-history_date', '-history_id'),
+                'get_latest_by': 'history_date',
+            },
+            bases=(simple_history.models.HistoricalChanges, models.Model),
+        ),
+        migrations.CreateModel(
+            name='App',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('author', models.CharField(help_text='Предпочтительно имя и фамилия. Можно указать несколько, разделяя запятыми.<br><b>[u:<ид>:<имя>]</b> формирует ссылку на профиль пользователя pythonz. Например: [u:1:идле].', max_length=255, verbose_name='Автор')),
+                ('text', models.TextField(verbose_name='Текст')),
+                ('text_src', models.TextField(verbose_name='Исходный текст')),
+                ('title', models.CharField(max_length=255, verbose_name='Название')),
+                ('slug', models.CharField(blank=True, max_length=200, null=True, unique=True, verbose_name='Краткое имя для URL')),
+                ('description', models.TextField(verbose_name='Описание')),
+                ('cover', models.ImageField(blank=True, max_length=255, null=True, upload_to=pythonz.apps.generics.models.get_upload_to, verbose_name='Обложка')),
+                ('year', models.CharField(blank=True, max_length=10, null=True, verbose_name='Год')),
+                ('time_created', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
+                ('time_published', models.DateTimeField(editable=False, null=True, verbose_name='Дата публикации')),
+                ('time_modified', models.DateTimeField(editable=False, null=True, verbose_name='Дата редактирования')),
+                ('status', models.PositiveIntegerField(choices=[(1, 'Черновик'), (2, 'Опубликован'), (3, 'Удален'), (4, 'В архиве'), (5, 'К отложенной публикации')], default=1, verbose_name='Статус')),
+                ('supporters_num', models.PositiveIntegerField(default=0, verbose_name='Поддержка')),
+                ('repo', models.URLField(blank=True, help_text='URL, по которому доступен исходный код приложения.', null=True, unique=True, verbose_name='Репозиторий')),
+                ('downloads', models.JSONField(default=dict, verbose_name='Загрузки')),
+                ('authors', models.ManyToManyField(blank=True, related_name='apps', to='apps.Person', verbose_name='Авторы')),
+                ('last_editor', models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='app_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор')),
+                ('linked', models.ManyToManyField(blank=True, help_text='Выберите объекты, имеющие отношение к данному.', related_name='_app_linked_+', to='apps.App', verbose_name='Связанные объекты')),
+                ('submitter', models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='app_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил')),
+            ],
+            options={
+                'verbose_name': 'Приложение',
+                'verbose_name_plural': 'Приложения',
+            },
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0056_auto_20201119_1842.py b/pythonz/apps/migrations/0056_auto_20201119_1842.py
new file mode 100644
index 00000000..9148942f
--- /dev/null
+++ b/pythonz/apps/migrations/0056_auto_20201119_1842.py
@@ -0,0 +1,28 @@
+# Generated by Django 3.1.2 on 2020-11-19 11:42
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0055_auto_20201031_2102'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='user',
+            name='karma',
+            field=models.DecimalField(decimal_places=2, default=0, max_digits=6, verbose_name='Карма'),
+        ),
+        migrations.AlterField(
+            model_name='app',
+            name='description',
+            field=models.TextField(help_text='Краткое описание назначения приложения.', verbose_name='Описание'),
+        ),
+        migrations.AlterField(
+            model_name='app',
+            name='text_src',
+            field=models.TextField(help_text='Более подробное описание назначения и функциональных особенностей приложения.', verbose_name='Исходный текст'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0057_auto_20210523_0835.py b/pythonz/apps/migrations/0057_auto_20210523_0835.py
new file mode 100644
index 00000000..5ebbfe7a
--- /dev/null
+++ b/pythonz/apps/migrations/0057_auto_20210523_0835.py
@@ -0,0 +1,23 @@
+# Generated by Django 3.2.3 on 2021-05-23 01:35
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0056_auto_20201119_1842'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='article',
+            name='nofollow',
+            field=models.BooleanField(default=False, verbose_name='Без перехода по ссылкам.'),
+        ),
+        migrations.AddField(
+            model_name='historicalarticle',
+            name='nofollow',
+            field=models.BooleanField(default=False, verbose_name='Без перехода по ссылкам.'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0058_preferences_alter_historicalapp_options_and_more.py b/pythonz/apps/migrations/0058_preferences_alter_historicalapp_options_and_more.py
new file mode 100644
index 00000000..52f7728e
--- /dev/null
+++ b/pythonz/apps/migrations/0058_preferences_alter_historicalapp_options_and_more.py
@@ -0,0 +1,342 @@
+# Generated by Django 4.1.7 on 2023-04-20 11:29
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('contenttypes', '0002_remove_content_type_name'),
+        ('apps', '0057_auto_20210523_0835'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='historicalapp',
+            options={'get_latest_by': ('history_date', 'history_id'), 'ordering': ('-history_date', '-history_id'), 'verbose_name': 'historical Приложение', 'verbose_name_plural': 'historical Приложения'},
+        ),
+        migrations.AlterModelOptions(
+            name='historicalarticle',
+            options={'get_latest_by': ('history_date', 'history_id'), 'ordering': ('-history_date', '-history_id'), 'verbose_name': 'historical Статья', 'verbose_name_plural': 'historical Статьи'},
+        ),
+        migrations.AlterModelOptions(
+            name='historicalbook',
+            options={'get_latest_by': ('history_date', 'history_id'), 'ordering': ('-history_date', '-history_id'), 'verbose_name': 'historical Книга', 'verbose_name_plural': 'historical Книги'},
+        ),
+        migrations.AlterModelOptions(
+            name='historicalcommunity',
+            options={'get_latest_by': ('history_date', 'history_id'), 'ordering': ('-history_date', '-history_id'), 'verbose_name': 'historical Сообщество', 'verbose_name_plural': 'historical Сообщества'},
+        ),
+        migrations.AlterModelOptions(
+            name='historicaldiscussion',
+            options={'get_latest_by': ('history_date', 'history_id'), 'ordering': ('-history_date', '-history_id'), 'verbose_name': 'historical Обсуждение', 'verbose_name_plural': 'historical Обсуждения'},
+        ),
+        migrations.AlterModelOptions(
+            name='historicalevent',
+            options={'get_latest_by': ('history_date', 'history_id'), 'ordering': ('-history_date', '-history_id'), 'verbose_name': 'historical Событие', 'verbose_name_plural': 'historical События'},
+        ),
+        migrations.AlterModelOptions(
+            name='historicalplace',
+            options={'get_latest_by': ('history_date', 'history_id'), 'ordering': ('-history_date', '-history_id'), 'verbose_name': 'historical Место', 'verbose_name_plural': 'historical Места'},
+        ),
+        migrations.AlterModelOptions(
+            name='historicalreference',
+            options={'get_latest_by': ('history_date', 'history_id'), 'ordering': ('-history_date', '-history_id'), 'verbose_name': 'historical Статья справочника', 'verbose_name_plural': 'historical Справочник'},
+        ),
+        migrations.AlterModelOptions(
+            name='historicalvideo',
+            options={'get_latest_by': ('history_date', 'history_id'), 'ordering': ('-history_date', '-history_id'), 'verbose_name': 'historical Видео', 'verbose_name_plural': 'historical Видео'},
+        ),
+        migrations.AlterField(
+            model_name='app',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='app',
+            name='linked',
+            field=models.ManyToManyField(blank=True, help_text='Выберите объекты, имеющие отношение к данному.', to='apps.app', verbose_name='Связанные объекты'),
+        ),
+        migrations.AlterField(
+            model_name='app',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='article',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='article',
+            name='linked',
+            field=models.ManyToManyField(blank=True, help_text='Выберите объекты, имеющие отношение к данному.', to='apps.article', verbose_name='Связанные объекты'),
+        ),
+        migrations.AlterField(
+            model_name='article',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='linked',
+            field=models.ManyToManyField(blank=True, help_text='Выберите объекты, имеющие отношение к данному.', to='apps.book', verbose_name='Связанные объекты'),
+        ),
+        migrations.AlterField(
+            model_name='book',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='community',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='community',
+            name='linked',
+            field=models.ManyToManyField(blank=True, help_text='Выберите объекты, имеющие отношение к данному.', to='apps.community', verbose_name='Связанные объекты'),
+        ),
+        migrations.AlterField(
+            model_name='community',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='discussion',
+            name='content_type',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_discussions', to='contenttypes.contenttype', verbose_name='Тип содержимого'),
+        ),
+        migrations.AlterField(
+            model_name='discussion',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='discussion',
+            name='linked',
+            field=models.ManyToManyField(blank=True, help_text='Выберите объекты, имеющие отношение к данному.', to='apps.discussion', verbose_name='Связанные объекты'),
+        ),
+        migrations.AlterField(
+            model_name='discussion',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='linked',
+            field=models.ManyToManyField(blank=True, help_text='Выберите объекты, имеющие отношение к данному.', to='apps.event', verbose_name='Связанные объекты'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='place',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='lnk_%(class)s', to='apps.place', verbose_name='Место'),
+        ),
+        migrations.AlterField(
+            model_name='event',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='externalresource',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='externalresource',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='historicalapp',
+            name='history_date',
+            field=models.DateTimeField(db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='historicalarticle',
+            name='history_date',
+            field=models.DateTimeField(db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='historicalbook',
+            name='history_date',
+            field=models.DateTimeField(db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='historicalcommunity',
+            name='history_date',
+            field=models.DateTimeField(db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='historicaldiscussion',
+            name='history_date',
+            field=models.DateTimeField(db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='historicalevent',
+            name='history_date',
+            field=models.DateTimeField(db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='historicalplace',
+            name='history_date',
+            field=models.DateTimeField(db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='historicalreference',
+            name='history_date',
+            field=models.DateTimeField(db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='historicalvideo',
+            name='history_date',
+            field=models.DateTimeField(db_index=True),
+        ),
+        migrations.AlterField(
+            model_name='partnerlink',
+            name='content_type',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='%(class)s_partner_links', to='contenttypes.contenttype', verbose_name='Тип содержимого'),
+        ),
+        migrations.AlterField(
+            model_name='pep',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='pep',
+            name='linked',
+            field=models.ManyToManyField(blank=True, help_text='Выберите объекты, имеющие отношение к данному.', to='apps.pep', verbose_name='Связанные объекты'),
+        ),
+        migrations.AlterField(
+            model_name='pep',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='person',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='person',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='place',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='place',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='linked',
+            field=models.ManyToManyField(blank=True, help_text='Выберите объекты, имеющие отношение к данному.', to='apps.reference', verbose_name='Связанные объекты'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='version_added',
+            field=models.ForeignKey(blank=True, help_text='Версия Python, для которой впервые стала актульна данная статья<br>(версия, где впервые появился модуль, пакет, класс, функция).', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_added', to='apps.version', verbose_name='Добавлено в'),
+        ),
+        migrations.AlterField(
+            model_name='reference',
+            name='version_deprecated',
+            field=models.ForeignKey(blank=True, help_text='Версия Python, для которой впервые данная статья перестала быть актуальной<br>(версия, где модуль, пакет, класс, функция были объявлены устаревшими).', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_deprecated', to='apps.version', verbose_name='Устарело в'),
+        ),
+        migrations.AlterField(
+            model_name='summary',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='summary',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='profile_public',
+            field=models.BooleanField(db_index=True, default=False, help_text='Если выключить, то увидеть ваш профиль сможете только вы.<br>В списках пользователей профиль значиться тоже не будет.', verbose_name='Публичный профиль'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='vacancy',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='vacancy',
+            name='place',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='lnk_%(class)s', to='apps.place', verbose_name='Место'),
+        ),
+        migrations.AlterField(
+            model_name='vacancy',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='linked',
+            field=models.ManyToManyField(blank=True, help_text='Выберите объекты, имеющие отношение к данному.', to='apps.version', verbose_name='Связанные объекты'),
+        ),
+        migrations.AlterField(
+            model_name='version',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+        migrations.AlterField(
+            model_name='video',
+            name='last_editor',
+            field=models.ForeignKey(blank=True, default=1, help_text='Пользователь, последним отредактировавший объект.', null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_editors', to=settings.AUTH_USER_MODEL, verbose_name='Редактор'),
+        ),
+        migrations.AlterField(
+            model_name='video',
+            name='linked',
+            field=models.ManyToManyField(blank=True, help_text='Выберите объекты, имеющие отношение к данному.', to='apps.video', verbose_name='Связанные объекты'),
+        ),
+        migrations.AlterField(
+            model_name='video',
+            name='submitter',
+            field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='%(class)s_submitters', to=settings.AUTH_USER_MODEL, verbose_name='Добавил'),
+        ),
+    ]
diff --git a/pythonz/apps/migrations/0059_preferences_remove_user_comments_enabled_and_more.py b/pythonz/apps/migrations/0059_preferences_remove_user_comments_enabled_and_more.py
new file mode 100644
index 00000000..1eec2030
--- /dev/null
+++ b/pythonz/apps/migrations/0059_preferences_remove_user_comments_enabled_and_more.py
@@ -0,0 +1,47 @@
+# Generated by Django 4.1.7 on 2023-04-23 01:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('apps', '0058_preferences_alter_historicalapp_options_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Preferences',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('socks5_proxy', models.TextField(default='')),
+                ('google_api_key', models.TextField(default='not_a_secret')),
+                ('yandex_search_id', models.TextField(default='not_a_secret')),
+                ('telegram_bot_token', models.TextField(default='not_a_secret')),
+                ('telegram_group', models.TextField(default='group_id or @channel_name')),
+                ('vk_access_token', models.TextField(default='not_a_secret')),
+                ('vk_group', models.TextField(default='group id prefixed with -')),
+            ],
+            options={
+                'verbose_name': 'Preference',
+                'verbose_name_plural': 'Preferences',
+                'managed': False,
+            },
+        ),
+        migrations.RemoveField(
+            model_name='user',
+            name='comments_enabled',
+        ),
+        migrations.RemoveField(
+            model_name='user',
+            name='disqus_category_id',
+        ),
+        migrations.RemoveField(
+            model_name='user',
+            name='disqus_shortname',
+        ),
+        migrations.RemoveField(
+            model_name='user',
+            name='twitter',
+        ),
+    ]
diff --git a/data/db/empty b/pythonz/apps/migrations/__init__.py
similarity index 100%
rename from data/db/empty
rename to pythonz/apps/migrations/__init__.py
diff --git a/pythonz/apps/models/__init__.py b/pythonz/apps/models/__init__.py
new file mode 100644
index 00000000..7ec40d2a
--- /dev/null
+++ b/pythonz/apps/models/__init__.py
@@ -0,0 +1,21 @@
+from sitecats.models import ModelWithCategory
+
+from .app import App
+from .article import Article
+from .book import Book
+from .category import Category
+from .community import Community
+from .discussion import Discussion, ModelWithDiscussions
+from .event import Event
+from .extrenal import ExternalResource
+from .partner import ModelWithPartnerLinks, PartnerLink
+from .pep import PEP
+from .person import Person, PersonsLinked
+from .place import Place
+from .reference import Reference, ReferenceMissing
+from .shared import UtmReady
+from .summary import Summary
+from .user import User
+from .vacancy import Vacancy
+from .version import Version
+from .video import Video
diff --git a/pythonz/apps/models/app.py b/pythonz/apps/models/app.py
new file mode 100644
index 00000000..9c574271
--- /dev/null
+++ b/pythonz/apps/models/app.py
@@ -0,0 +1,140 @@
+from random import choice
+from time import sleep
+
+from django.db import models
+from django.db.models import Q, QuerySet
+from etc.models import InheritedModel
+from simple_history.models import HistoricalRecords
+from sitecats.models import ModelWithCategory
+
+from ..generics.models import CommonEntityModel, ModelWithAuthorAndTranslator, ModelWithCompiledText, RealmBaseModel
+from ..integration.pypistats import get_for_package
+from .discussion import ModelWithDiscussions
+from .person import PersonsLinked
+
+
+class App(
+    InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithDiscussions, ModelWithCategory,
+    ModelWithCompiledText, ModelWithAuthorAndTranslator, PersonsLinked):
+    """Модель сущности `Приложение`."""
+
+    COVER_UPLOAD_TO: str = 'apps'
+
+    paginator_defer: list[str] = ['downloads', 'text', 'text_src']
+
+    repo = models.URLField(
+        'Репозиторий', null=True, blank=True, unique=True,
+        help_text='URL, по которому доступен исходный код приложения.')
+
+    authors = models.ManyToManyField('Person', verbose_name='Авторы', related_name='apps', blank=True)
+    downloads = models.JSONField('Загрузки', default=dict)
+
+    slug_pick: bool = True
+    translator = None
+
+    history = HistoricalRecords()
+
+    persons_fields: list[str] = ['authors']
+
+    class Meta:
+
+        verbose_name = 'Приложение'
+        verbose_name_plural = 'Приложения'
+
+    class Fields:
+
+        title = 'Название приложения'
+        slug = 'Назание на PyPI'
+
+        description = {
+            'help_text': 'Краткое описание назначения приложения.',
+        }
+
+        text_src = {
+            'verbose_name': 'Описание',
+            'help_text': 'Более подробное описание назначения и функциональных особенностей приложения.',
+        }
+
+    @classmethod
+    def find(cls, *search_terms: str) -> QuerySet:
+        """Ищет указанный текст в приложениях. Возвращает QuerySet.
+
+        :param search_terms: Строка для поиска.
+
+        """
+        q = Q()
+
+        for term in search_terms:
+
+            if not term:
+                continue
+
+            q |= Q(slug__icontains=term)
+
+        return cls.objects.published().filter(q).order_by('time_published')
+
+    @classmethod
+    def actualize_downloads(cls, qs: QuerySet = None) -> int:
+        """Актуализирует данные о загрузках приложений."""
+
+        if qs is None:
+            qs = cls.objects.published()
+
+        apps = qs.filter(slug__isnull=False)
+
+        updated = []
+
+        for idx, app in enumerate(apps):
+
+            if idx > 0:
+                # У pypistats.org есть ограничени по кол-ву запросов с IP.
+                # Пробуем быть особо вежливыми.
+                sleep(choice((0.3, 0.8, 1.2)))
+
+            if app.update_downloads():
+                updated.append(app)
+
+        if updated:
+            cls.objects.bulk_update(updated, fields=['downloads'])
+
+        return len(updated)
+
+    @property
+    def turbo_content(self) -> str:
+        return self.make_html(self.description)
+
+    @property
+    def downloads_map(self) -> dict:
+        """Данные о загрузках в виде словаря."""
+        return {self.slug: self.downloads}
+
+    @property
+    def github_ident(self) -> str:
+        repo = self.repo or ''
+
+        prefix = 'https://github.com/'
+
+        if not repo.startswith(prefix):
+            return ''
+
+        return repo.replace(prefix, '', 1).rstrip('/')
+
+    def on_publish(self):
+        self.update_downloads()
+
+    def update_downloads(self) -> bool:
+        """Обновляет данные о загрузках пакета."""
+        slug = self.slug
+
+        if not slug:
+            return False
+
+        data = get_for_package(slug)
+
+        downloads = self.downloads
+        downloads.update(data)
+
+        self.downloads = dict(sorted((
+            item for item in downloads.items()), key=lambda item: item[0]))
+
+        return bool(data)
diff --git a/pythonz/apps/models/article.py b/pythonz/apps/models/article.py
new file mode 100644
index 00000000..9971eb02
--- /dev/null
+++ b/pythonz/apps/models/article.py
@@ -0,0 +1,101 @@
+from enum import unique
+
+from django.db import models
+from etc.models import InheritedModel
+from simple_history.models import HistoricalRecords
+from sitecats.models import ModelWithCategory
+
+from ..exceptions import RemoteSourceError
+from ..generics.models import CommonEntityModel, ModelWithCompiledText, RealmBaseModel
+from ..integration.utils import scrape_page
+from .discussion import ModelWithDiscussions
+from .shared import UtmReady
+
+
+class Article(
+    UtmReady, InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithDiscussions, ModelWithCategory,
+    ModelWithCompiledText):
+    """Модель сущности `Статья`."""
+
+    allow_edit_anybody: bool = False
+    paginator_defer: list[str] = ['url', 'text', 'text_src']
+
+    @unique
+    class Location(models.IntegerChoices):
+
+        INTERNAL = 1, 'На этом сайте'
+        EXTERNAL = 2, 'На другом сайте'
+
+    @unique
+    class Source(models.IntegerChoices):
+
+        HANDMADE = 1, 'Написана на этом сайте'
+        SCRAPING = 2, 'Соскоблена с другого сайта'
+
+    source = models.PositiveIntegerField(
+        'Тип источника', choices=Source.choices, default=Source.HANDMADE,
+        help_text='Указывает на механизм, при помощи которого статья появилась на сайте.')
+
+    location = models.PositiveIntegerField(
+        'Расположение статьи', choices=Location.choices, default=Location.INTERNAL,
+        help_text='Статью можно написать прямо на этом сайте, либо сформировать статью-ссылку на внешний ресурс.')
+
+    url = models.URLField(
+        'URL статьи', null=True, blank=True, unique=True,
+        help_text='Внешний URL, по которому доступна статья, которой вы желаете поделиться.')
+
+    published_by_author = models.BooleanField('Я являюсь автором данной статьи', default=True)
+
+    nofollow = models.BooleanField('Без перехода по ссылкам.', default=False)  # nofollow
+
+    history = HistoricalRecords()
+
+    class Meta:
+
+        verbose_name = 'Статья'
+        verbose_name_plural = 'Статьи'
+
+    class Fields:
+
+        description = {
+            'verbose_name': 'Введение',
+            'help_text': 'Пара-тройка предложений, описывающих, о чём пойдёт речь в статье.',
+        }
+        linked = {
+            'verbose_name': 'Связанные статьи',
+            'help_text': (
+                'Выберите статьи, которые имеют отношение к данной. Так, например, можно объединить статьи цикла.',)
+        }
+
+    @property
+    def turbo_content(self) -> str:
+        return self.text
+
+    @property
+    def is_handmade(self) -> bool:
+        """Возвращат флаг, указывающий на то, что статья создана на этом сайте."""
+        return self.source == self.Source.HANDMADE
+
+    def save(self, *args, **kwargs):
+
+        # Для верного определения уникальности.
+        if not self.url:
+            self.url = None
+
+        super().save(*args, **kwargs)
+
+    def update_data_from_url(self, url: str):
+        """Обновляет данные статьи, собирая информация, доступную по указанному URL.
+
+        :param url:
+
+        """
+        result = scrape_page(url)
+
+        if not result:
+            raise RemoteSourceError('Не удалось получить данные статьи. Проверьте доступность указанного URL.')
+
+        self.title = result['title']
+        self.description = result['content_less']
+        self.text_src = result['content_more']
+        self.source = self.Source.SCRAPING
diff --git a/pythonz/apps/models/book.py b/pythonz/apps/models/book.py
new file mode 100644
index 00000000..9254e4c5
--- /dev/null
+++ b/pythonz/apps/models/book.py
@@ -0,0 +1,56 @@
+
+from django.db import models
+from etc.models import InheritedModel
+from simple_history.models import HistoricalRecords
+from sitecats.models import ModelWithCategory
+
+from ..generics.models import CommonEntityModel, ModelWithAuthorAndTranslator, RealmBaseModel
+from .discussion import ModelWithDiscussions
+from .partner import ModelWithPartnerLinks
+from .person import PersonsLinked
+from .shared import HINT_IMPERSONAL_REQUIRED
+
+
+class Book(
+    InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithDiscussions, ModelWithCategory,
+    ModelWithAuthorAndTranslator, ModelWithPartnerLinks, PersonsLinked):
+    """Модель сущности `Книга`."""
+
+    COVER_UPLOAD_TO: str = 'books'
+
+    isbn = models.CharField('ISBN', max_length=20, unique=True, null=True, blank=True)
+
+    isbn_ebook = models.CharField('ISBN эл. книги', max_length=20, unique=True, null=True, blank=True)
+
+    authors = models.ManyToManyField('Person', verbose_name='Авторы', related_name='books', blank=True)
+
+    history = HistoricalRecords()
+
+    persons_fields: list[str] = ['authors']
+
+    class Meta:
+
+        verbose_name = 'Книга'
+        verbose_name_plural = 'Книги'
+
+    class Fields:
+
+        title = 'Название книги'
+
+        description = {
+            'verbose_name': 'Аннотация',
+            'help_text': f'Аннотация к книге, или другое краткое описание. {HINT_IMPERSONAL_REQUIRED}',
+        }
+
+        linked = {
+            'verbose_name': 'Связанные книги',
+            'help_text': (
+                'Выберите книги, которые имеют отношение к данной. '
+                'Например, для книги-перевода можно указать оригинал.',)
+        }
+
+        year = 'Год издания'
+
+    @property
+    def turbo_content(self) -> str:
+        return self.make_html(self.description)
diff --git a/pythonz/apps/models/category.py b/pythonz/apps/models/category.py
new file mode 100644
index 00000000..8da98ae0
--- /dev/null
+++ b/pythonz/apps/models/category.py
@@ -0,0 +1,34 @@
+from django.db.models import Q, QuerySet
+from django.urls import reverse
+from sitecats.models import Category as Category_
+
+
+class Category(Category_):
+    """Посредник для мимикрии под области."""
+
+    class Meta:
+
+        proxy = True
+
+    @classmethod
+    def find(cls, *search_terms: str) -> QuerySet:
+        """Ищет указанный текст в категориях. Возвращает QuerySet.
+
+        :param search_terms: Строки для поиска.
+
+        """
+        q = Q()
+
+        for term in search_terms:
+            if term:
+                q |= Q(title__icontains=term) | Q(note__icontains=term)
+
+        return Category.objects.filter(q).order_by('time_created')
+
+    @property
+    def description(self) -> str:
+        return self.note
+
+    def get_absolute_url(self, **kwargs) -> str:
+        # Сокращённая реализация из RealmBaseModel.
+        return reverse(self.realm.get_details_urlname(), args=[self.id])
diff --git a/pythonz/apps/models/community.py b/pythonz/apps/models/community.py
new file mode 100644
index 00000000..f1b31578
--- /dev/null
+++ b/pythonz/apps/models/community.py
@@ -0,0 +1,76 @@
+
+from django.db import models
+from etc.models import InheritedModel
+from simple_history.models import HistoricalRecords
+from sitecats.models import ModelWithCategory
+
+from ..generics.models import CommonEntityModel, ModelWithAuthorAndTranslator, ModelWithCompiledText, RealmBaseModel
+from .discussion import ModelWithDiscussions
+from .place import Place
+from .shared import HINT_IMPERSONAL_REQUIRED, UtmReady
+
+
+class Community(
+    UtmReady, InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithDiscussions, ModelWithCategory,
+    ModelWithCompiledText):
+    """Модель сообществ. Формально объединяет некоторую группу людей."""
+
+    allow_edit_published: bool = True
+    paginator_defer: list[str] = ['url', 'text', 'text_src']
+
+    place = models.ForeignKey(
+        Place, verbose_name='Место', related_name='communities', null=True, blank=True,
+        help_text='Для географически локализованных сообществ можно указать место (страна, город, село).<br>'
+                  'Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».',
+        on_delete=models.SET_NULL)
+
+    contacts = models.CharField(
+        'Контактные лица', null=True, blank=True, max_length=255,
+        help_text=(
+            'Контактные лица через запятую, представляющие сообщество, координаторы, основатели.'
+            f'{ModelWithAuthorAndTranslator._hint_userlink}'))
+
+    url = models.URLField('Страница в сети', null=True, blank=True)
+
+    history = HistoricalRecords()
+
+    class Meta:
+
+        verbose_name = 'Сообщество'
+        verbose_name_plural = 'Сообщества'
+
+    class Fields:
+
+        title = 'Название сообщества'
+
+        cover = 'Логотип'
+
+        description = {
+            'verbose_name': 'Кратко',
+            'help_text': (
+                'Сжатая предварительная информация о сообществе (например, направление деятельности). '
+                f'{HINT_IMPERSONAL_REQUIRED}')
+        }
+
+        text_src = {
+            'verbose_name': 'Описание, принципы работы, правила, контактная информация',
+            'help_text': HINT_IMPERSONAL_REQUIRED,
+        }
+
+        linked = {
+            'verbose_name': 'Связанные сообщества',
+            'help_text': 'Выберите сообщества, имеющие отношение к данному.',
+        }
+
+        year = 'Год образования'
+
+    @property
+    def turbo_content(self) -> str:
+        return self.text
+
+    def save(self, *args, **kwargs):
+
+        if not self.pk:
+            self.mark_published()
+
+        super().save(*args, **kwargs)
diff --git a/pythonz/apps/models/discussion.py b/pythonz/apps/models/discussion.py
new file mode 100644
index 00000000..b61492b5
--- /dev/null
+++ b/pythonz/apps/models/discussion.py
@@ -0,0 +1,56 @@
+from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
+from django.contrib.contenttypes.models import ContentType
+from django.db import models
+from etc.models import InheritedModel
+from simple_history.models import HistoricalRecords
+from sitecats.models import ModelWithCategory
+
+from ..generics.models import CommonEntityModel, ModelWithCompiledText, RealmBaseModel
+from ..utils import truncate_chars
+
+
+class Discussion(InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithCategory, ModelWithCompiledText):
+    """Модель обсуждений. Пользователи могут обсудить желаемые темы и привязать обсужедние к сущности на сайте.
+    Фактически - форум.
+    
+    """
+    allow_edit_anybody: bool = False
+
+    object_id = models.PositiveIntegerField(verbose_name='ID объекта', db_index=True, null=True, blank=True)
+
+    content_type = models.ForeignKey(
+        ContentType, verbose_name='Тип содержимого', related_name='%(class)s_discussions', null=True, blank=True,
+        on_delete=models.SET_NULL)
+
+    linked_object = GenericForeignKey()
+
+    history = HistoricalRecords()
+
+    class Meta:
+
+        verbose_name = 'Обсуждение'
+        verbose_name_plural = 'Обсуждения'
+
+    class Fields:
+
+        text = 'Обсуждение'
+
+    def save(self, *args, **kwargs):
+
+        if not self.pk:
+            self.mark_published()
+
+        super().save(*args, **kwargs)
+
+    def get_description(self) -> str:
+        return truncate_chars(self.text, 360, html=True)
+
+
+class ModelWithDiscussions(models.Model):
+    """Класс-примесь к моделям сущностей, для который разрешено оставление мнений."""
+
+    discussions = GenericRelation(Discussion)
+
+    class Meta:
+
+        abstract = True
diff --git a/pythonz/apps/models/event.py b/pythonz/apps/models/event.py
new file mode 100644
index 00000000..bfd61510
--- /dev/null
+++ b/pythonz/apps/models/event.py
@@ -0,0 +1,204 @@
+from datetime import datetime, timedelta
+from enum import unique
+from typing import Optional
+
+from django.db import models
+from django.db.models import F, QuerySet
+from django.utils import timezone
+from django.utils.formats import date_format
+from etc.models import InheritedModel
+from simple_history.models import HistoricalRecords
+from sitecats.models import ModelWithCategory
+
+from ..generics.models import CommonEntityModel, ModelWithAuthorAndTranslator, ModelWithCompiledText
+from ..integration.base import RemoteSource
+from ..integration.events import EventSource
+from .discussion import ModelWithDiscussions
+from .place import WithPlace
+from .shared import HINT_IMPERSONAL_REQUIRED, UtmReady
+
+
+class Event(
+    UtmReady, InheritedModel, CommonEntityModel, ModelWithDiscussions, ModelWithCategory,
+    ModelWithCompiledText, WithPlace):
+    """Модель сущности `Событие`."""
+
+    allow_edit_published: bool = True
+    notify_on_publish: bool = False
+    paginator_defer: list[str] = ['contacts', 'text', 'text_src']
+    utm_on_main: bool = False
+
+    @unique
+    class Spec(models.IntegerChoices):
+
+        DEDICATED = 1, 'Только Python'
+        HAS_SECTION = 2, 'В основном Python'
+        HAS_SOME = 3, 'Есть секция/отделение про Python'
+        MOST = 4, 'Есть упоминания про Python'
+
+    @unique
+    class Type(models.IntegerChoices):
+
+        MEETING = 1, 'Встреча'
+        CONFERENCE = 2, 'Конференция'
+        LECTURE = 3, 'Лекция'
+        SPRINT = 4, 'Спринт'
+
+    source_group = EventSource
+
+    contacts = models.CharField(
+        'Контактные лица', null=True, blank=True, max_length=255,
+        help_text=(
+            'Контактные лица через запятую, координирующие/устраивающие событие.'
+            f'{ModelWithAuthorAndTranslator._hint_userlink}'))
+
+    specialization = models.PositiveIntegerField('Специализация', choices=Spec.choices, default=Spec.DEDICATED)
+
+    type = models.PositiveIntegerField('Тип', choices=Type.choices, default=Type.MEETING)
+
+    time_start = models.DateTimeField('Начало', null=True, blank=True)
+
+    time_finish = models.DateTimeField(
+        'Завершение', null=True, blank=True,
+        help_text='Дату завершения можно и не указывать.')
+
+    fee = models.BooleanField('Участие платное', null=True, blank=True, db_index=True)
+
+    history = HistoricalRecords()
+
+    class Meta:
+
+        verbose_name = 'Событие'
+        verbose_name_plural = 'События'
+        unique_together = ('src_alias', 'src_id')
+
+    class Fields:
+
+        description = {
+            'verbose_name': 'Краткое описание',
+            'help_text': f'Краткое описание события. {HINT_IMPERSONAL_REQUIRED}',
+        }
+
+        text_src = {
+            'verbose_name': 'Описание, контактная информация',
+            'help_text': HINT_IMPERSONAL_REQUIRED,
+        }
+
+        place = {
+            'help_text': (
+                'Укажите место проведения мероприятия.<br><b>Конкретный адрес следует указывать в описании.</b><br>'
+                'Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».'),
+        }
+
+        cover = 'Логотип'
+
+    def save(self, *args, **kwargs):
+
+        if not self.pk:
+            self.mark_published()
+
+        super().save(*args, **kwargs)
+
+    def get_display_type(self) -> str:
+        return self.Type(self.type).label
+
+    def get_display_specialization(self) -> str:
+        return self.Spec(self.specialization).label
+
+    @property
+    def page_title(self):
+
+        title = f'{self.get_display_type()} {self.title}'
+
+        if time_start := self.time_start:
+            title = f'{title} {date_format(time_start, "d E Y года")}'
+
+        return title
+
+    @property
+    def is_in_past(self) -> bool | None:
+
+        field = self.time_finish or self.time_start
+
+        if field is None:
+            return None
+
+        return field < timezone.now()
+
+    @property
+    def is_now(self) -> bool:
+
+        if not all([self.time_start, self.time_finish]):
+            return False
+
+        return self.time_start <= timezone.now() <= self.time_finish
+
+    @property
+    def time_forgetmenot(self) -> datetime:
+        """Дата напоминания о предстоящем событии (на сутки ранее начала события)."""
+        return self.time_start - timedelta(days=1)
+
+    @classmethod
+    def get_featured(cls, *, candidate: 'Event', dt_stale: datetime) -> Optional['Event']:
+        now = timezone.now()
+
+        featured = cls.objects.published().filter(
+            time_start__lte=now,
+            time_finish__gt=now,
+        ).first()
+
+        if featured is None:
+            return super().get_featured(candidate=candidate, dt_stale=dt_stale)
+
+        return featured
+
+    @classmethod
+    def spawn_object(cls, item_data: dict, *, source: RemoteSource):
+
+        big = item_data.pop('big')
+        page_info = item_data.pop('__page_info')
+
+        obj: Event = super().spawn_object(item_data, source=source)
+        obj.specialization = cls.Spec.HAS_SECTION
+
+        if big:
+            obj.type = cls.Type.CONFERENCE
+
+        if page_info:
+            site_name = page_info.site_name
+            
+            if description := page_info.description:
+                if site_name == 'Meetup':
+                    # Meetup в описание пихает мусорную конкатенацию.
+                    description = page_info.title or ''
+
+                obj.description = description
+
+            images = page_info.images
+            if images:
+                image_src = images[0].get('src')
+                if image_src:
+                    obj.update_cover_from_url(image_src)
+
+        return obj
+
+    @classmethod
+    def get_paginator_objects(cls) -> QuerySet:
+        now = timezone.now()
+
+        # Сначала грядущие в порядке приближения, потом прошедшие в порядке отдалённости.
+        qs = cls.objects.published().annotate(
+            past=models.Case(
+                models.When(time_start__gte=now, then=False),
+                models.When(time_start__lt=now, then=True),
+                output_field=models.BooleanField(),
+            )
+        ).annotate(
+            gap=models.Case(
+                models.When(time_start__gte=now, then=F('time_start') - now),
+                models.When(time_start__lt=now, then=now - F('time_start')),
+                output_field=models.DurationField(),
+            )
+        ).order_by('past', 'gap')
+
+        return qs
diff --git a/pythonz/apps/models/extrenal.py b/pythonz/apps/models/extrenal.py
new file mode 100644
index 00000000..86e06dbf
--- /dev/null
+++ b/pythonz/apps/models/extrenal.py
@@ -0,0 +1,75 @@
+from enum import unique
+from itertools import chain
+
+from django.db import IntegrityError, models
+
+from ..generics.models import RealmBaseModel
+from ..integration.resources import PyDigestResource
+from .shared import UtmReady
+
+
+class ExternalResource(UtmReady, RealmBaseModel):
+    """Внешние ресурсы. Представляют из себя ссылки на страницы вне сайта."""
+
+    @unique
+    class Resource(models.TextChoices):
+
+        PYDIGEST = 'pydigest', 'pythondigest.ru'
+
+    RESOURCE_MAP = {
+        Resource.PYDIGEST: PyDigestResource
+    }
+
+    src_alias = models.CharField('Идентификатор источника', max_length=20, choices=Resource.choices)
+
+    realm_name = models.CharField('Идентификатор области на pythonz', max_length=20)
+
+    url = models.URLField('Страница ресурса', unique=True)
+
+    title = models.CharField('Название', max_length=255)
+
+    description = models.TextField('Описание', blank=True, default='')
+
+    is_external: bool = True
+    """Признак внешнего ресурса.
+    Используется в тех случаях, когда внешние ресурсы идут 
+    вперемежку со внутренними.
+    
+    """
+
+    class Meta:
+
+        verbose_name = 'Внешний ресурс'
+        verbose_name_plural = 'Внешние ресурсы'
+        ordering = ('-time_created',)
+
+    @classmethod
+    def fetch_new(cls):
+        """Добывает данные из источников и складирует их."""
+
+        for resource_alias, resource_cls in cls.RESOURCE_MAP.items():
+            resource_alias = resource_alias.value
+
+            entries = resource_cls.fetch_entries()
+
+            if not entries:
+                return
+
+            added = []
+            existing = []
+
+            for entry_data in entries:
+                new_resource = cls(**entry_data)
+                new_resource.src_alias = resource_alias
+                new_resource.mark_published()
+
+                try:
+                    new_resource.save()
+                    added.append(new_resource.url)
+
+                except IntegrityError:
+                    existing.append(new_resource.url)
+
+            if added:
+                # Оставляем только те записи, которые до сих пор выдаёт внешний ресурс.
+                cls.objects.filter(src_alias=resource_alias).exclude(url__in=chain(added, existing)).delete()
diff --git a/pythonz/apps/models/partner.py b/pythonz/apps/models/partner.py
new file mode 100644
index 00000000..9019d983
--- /dev/null
+++ b/pythonz/apps/models/partner.py
@@ -0,0 +1,86 @@
+
+from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
+from django.contrib.contenttypes.models import ContentType
+from django.db import models
+
+
+class PartnerLink(models.Model):
+    """Модель партнёрских ссылок. Ссылки могут быть привязаны к любым сущностям сайта.
+    Логику формирования и отображения ссылок предоставляют классы из модуля partners.
+
+    """
+    object_id = models.PositiveIntegerField(verbose_name='ID объекта', db_index=True)
+
+    content_type = models.ForeignKey(
+        ContentType, verbose_name='Тип содержимого', related_name='%(class)s_partner_links',
+        on_delete=models.CASCADE)
+
+    partner_alias = models.CharField('Идентфикатор класса партнёра', max_length=50, db_index=True)
+
+    url = models.URLField(
+        'Базовая ссылка',
+        help_text='Ссылка на партнёрскую страницу без указания партнёрских данных (идентификатора).')
+
+    description = models.CharField('Описание', max_length=255, null=True, blank=True)
+
+    linked_object = GenericForeignKey()
+
+    class Meta:
+
+        verbose_name = 'Партнёрская ссылка'
+        verbose_name_plural = 'Партнёрские ссылки'
+
+    def __str__(self):
+        return f'Ссылка {self.id} для {self.content_type} {self.object_id}'
+
+
+class ModelWithPartnerLinks(models.Model):
+    """Класс-примесь к моделям сущностей, для который разрешено добавление партнёрских ссылок."""
+
+    partner_links = GenericRelation(PartnerLink)
+
+    class Meta:
+
+        abstract = True
+
+    @classmethod
+    def partner_links_enrich(cls, data: dict) -> list[PartnerLink]:
+        """Пополняет партнёрские ссылки по данным из указанного словаря.
+        Возвращает список добавленных новых ссылок.
+
+        :param data:
+
+        """
+        content_type = ContentType.objects.get_for_model(cls, for_concrete_model=False)
+
+        result = []
+
+        for title, links in data.items():
+
+            try:
+                source_obj = cls.objects.get(title=title)
+
+            except cls.DoesNotExist:
+                # Нет полного совпадения.
+                # Пробуем сориентироваться по ссылкам.
+                source_obj = PartnerLink.objects.filter(url__in=links).first()
+
+                if source_obj:
+                    source_obj = source_obj.linked_object
+
+                else:
+                    source_obj = cls.objects.create(title=title)
+
+            for url, partner_alias in links.items():
+
+                link, link_created = PartnerLink.objects.get_or_create(
+                    content_type=content_type,
+                    object_id=source_obj.id,
+                    partner_alias=partner_alias,
+                    url=url,
+                )
+
+                if link_created:
+                    result.append(link)
+
+        return result
diff --git a/pythonz/apps/models/pep.py b/pythonz/apps/models/pep.py
new file mode 100644
index 00000000..22f0cd32
--- /dev/null
+++ b/pythonz/apps/models/pep.py
@@ -0,0 +1,174 @@
+from enum import unique
+
+from django.db import models
+from django.db.models import Q, QuerySet
+
+from ..generics.models import CommonEntityModel, RealmBaseModel
+from ..integration.peps import sync as sync_peps
+from .discussion import ModelWithDiscussions
+from .version import Version
+
+
+class PEP(RealmBaseModel, CommonEntityModel, ModelWithDiscussions):
+    """Предложения по улучшению Питона.
+
+    Заполняются автоматически из репозитория https://github.com/python/peps
+
+    """
+    TPL_URL_PYORG: str = 'https://www.python.org/dev/peps/pep-%s/'
+
+    @unique
+    class Status(models.IntegerChoices):
+
+        DRAFT = 1, 'Черновик'
+        ACTIVE = 2, 'Действует'
+        WITHDRAWN = 3, 'Отозвано [автором]'
+        DEFERRED = 4, 'Отложено'
+        REJECTED = 5, 'Отклонено'
+        ACCEPTED = 6, 'Утверждено (принято; возможно не реализовано)'
+        FINAL = 7, 'Финализировано (работа завершена; реализовано)'
+        SUPERSEDED = 8, 'Заменено (имеется более актуальное PEP)'
+        FOOL = 9, 'Розыгрыш на 1 апреля'
+
+    STATUS_MAP = {
+        Status.DRAFT: ('Черн.', ''),
+        Status.ACTIVE: ('Действ.', 'success'),
+        Status.WITHDRAWN: ('Отозв.', 'danger'),
+        Status.DEFERRED: ('Отл.', ''),
+        Status.REJECTED: ('Откл.', 'danger'),
+        Status.ACCEPTED: ('Утв.', 'info'),
+        Status.FINAL: ('Фин.', 'success'),
+        Status.SUPERSEDED: ('Зам.', 'warning'),
+        Status.FOOL: ('Апр.', ''),
+    }
+
+    STATUSES_FINAL = [
+        Status.WITHDRAWN,
+        Status.REJECTED,
+        Status.SUPERSEDED,
+        Status.ACTIVE,
+        Status.FOOL,
+        Status.FINAL
+    ]
+
+    @unique
+    class Type(models.IntegerChoices):
+
+        PROCESS = 1, 'Процесс'
+        STANDARD = 2, 'Стандарт'
+        INFO = 3, 'Информация'
+
+    slug_pick: bool = True
+    slug_auto: bool = True
+    items_per_page: int = 40
+    details_related: list[str] = []
+
+    # Далее отключаем общую логику работы с удалёнными.
+    is_published: bool = True
+    is_deleted: bool = False
+    is_draft: bool = False
+
+    # title - перевод заголовка на русский
+    # description - английский заголовок
+    # slug - номер предложения дополненный нулями до 4х знаков
+    # time_published - дата создания PEP
+
+    title = models.CharField('Название', max_length=255)
+
+    num = models.PositiveIntegerField('Номер')
+
+    status = models.PositiveIntegerField('Статус', choices=Status.choices, default=Status.DRAFT)
+
+    type = models.PositiveIntegerField('Тип', choices=Type.choices, default=Type.STANDARD)
+
+    authors = models.ManyToManyField('Person', verbose_name='Авторы', related_name='peps', blank=True)
+
+    versions = models.ManyToManyField(Version, verbose_name='Версии Питона', related_name='peps', blank=True)
+
+    requires = models.ManyToManyField(
+        'self', verbose_name='Зависит от', symmetrical=False, related_name='used_by', blank=True)
+
+    # Следующие два поля кажутся взаимообратными, но пока это не доказано.
+    superseded = models.ManyToManyField(
+        'self', verbose_name='Заменено на', symmetrical=False, related_name='supersedes', blank=True)
+
+    replaces = models.ManyToManyField(
+        'self', verbose_name='Поглощает', symmetrical=False, related_name='replaced_by', blank=True)
+
+    class Meta:
+
+        verbose_name = 'PEP'
+        verbose_name_plural = 'PEP'
+
+    def __str__(self):
+        return f'PEP {self.num} — {self.title}'
+
+    @property
+    def turbo_content(self) -> str:
+        return self.title
+
+    @classmethod
+    def get_actual(cls) -> QuerySet:
+        return cls.objects.order_by('-time_published').all()
+
+    def get_link_to_pyorg(self) -> str:
+        # Получает ссылку на pep в python.org
+        return self.TPL_URL_PYORG % self.slug
+
+    def generate_slug(self) -> str:
+        # Дополняется нулями слева до четырёх знаков.
+        return str(self.num).zfill(4)
+
+    @classmethod
+    def get_paginator_objects(cls) -> QuerySet:
+        return cls.objects.order_by(cls.paginator_order)
+
+    def get_description(self) -> str:
+        # Русское наименование для показа в рассылке и подобном.
+        return self.title
+
+    def mark_published(self):
+        """Не использует общий механизм публикации."""
+
+    @classmethod
+    def sync_from_repository(cls):
+        """Синхронизирует данные в локальной БД с данными репозитория PEP."""
+        sync_peps()
+
+    @property
+    def bg_class(self) -> str:
+        return self.STATUS_MAP[self.Status(self.status)][1]
+
+    @property
+    def display_status(self) -> str:
+        return self.Status(self.status).label
+
+    @property
+    def display_status_letter(self) -> str:
+        return self.STATUS_MAP[self.Status(self.status)][0]
+
+    @property
+    def display_type(self) -> str:
+        return self.Type(self.type).label
+
+    @property
+    def display_type_letter(self) -> str:
+        return self.Type(self.type).label[0]
+
+    @classmethod
+    def find(cls, *search_terms: str) -> QuerySet:
+        """Ищет указанный текст в справочнике. Возвращает QuerySet.
+
+        :param search_terms: Строка для поиска.
+
+        """
+        q = Q()
+
+        for term in search_terms:
+
+            if not term:
+                continue
+
+            q |= Q(slug__icontains=term) | Q(title__icontains=term) | Q(description__icontains=term)
+
+        return cls.get_actual().filter(q)
diff --git a/pythonz/apps/models/person.py b/pythonz/apps/models/person.py
new file mode 100644
index 00000000..1806850c
--- /dev/null
+++ b/pythonz/apps/models/person.py
@@ -0,0 +1,258 @@
+from functools import partial
+
+from django.conf import settings
+from django.db import models
+from django.db.models import Q, QuerySet
+from etc.models import InheritedModel
+
+from ..generics.models import ModelWithCompiledText, RealmBaseModel
+from ..utils import PersonName, sync_many_to_many
+from .shared import UtmReady
+from .user import User
+
+
+class PersonsLinked(models.Model):
+    """Примесь для моделей, имеющих поля многие-ко-многим, ссылающиеся на Person."""
+
+    persons_fields: list[str] = []
+
+    class Meta:
+
+        abstract = True
+
+    def save(self, *args, **kwargs):
+        super().save(*args, **kwargs)
+        self.sync_persons_fields()
+
+    def sync_persons_fields(self, known_persons: dict[str, list['Person']] = None):
+
+        if not self.persons_fields:
+            return
+
+        if known_persons is None:
+            known_persons = Person.get_known_persons()
+
+        for field in self.persons_fields:
+            src_field = field.rstrip('s')  # authors - > author
+            self._sync_persons(getattr(self, src_field), field, known_persons)
+
+    def _sync_persons(
+        self,
+        names_str: str,
+        persons_field: str,
+        known_persons: dict[str, list['Person']],
+        related_attr: str = 'name'
+    ):
+        names_list = []
+
+        for name in names_str.split(','):
+            # Убираем разметку типа [u:1:идле]
+            name = name.strip(' []').rpartition(':')[2]
+            name and names_list.append(name)
+
+        sync_many_to_many(
+            names_list, self, persons_field, related_attr, known_persons,
+            unknown_handler=partial(self.create_person, publish=False))
+
+    @classmethod
+    def create_person(
+        cls,
+        person_name: str,
+        known_persons: dict[str, list['Person']],
+        *,
+        publish: bool = True
+    ) -> 'Person':
+        """Создаёт персону и добавляет её в словарь известных персон.
+
+        :param person_name:
+        :param known_persons:
+        :param publish:
+
+        """
+        person = Person.create(person_name, save=True, publish=publish)
+        Person.contribute_to_known_persons(person, known_persons)
+        return person
+
+
+class Person(UtmReady, InheritedModel, RealmBaseModel, ModelWithCompiledText):
+    """Модель сущности `Персона`.
+
+    Персона не обязана являться пользователем сайта, но между этими сущностями может быть связь.
+
+    """
+    details_related: list[str] = ['submitter', 'last_editor', 'user']
+    paginator_related: list[str] = []
+    paginator_order: str = 'name'
+    items_per_page: int = 1000
+
+    user = models.OneToOneField(
+        User, verbose_name='Пользователь', related_name='person', null=True, blank=True,
+        on_delete=models.SET_NULL)
+
+    name = models.CharField('Имя', max_length=90, blank=True)
+
+    name_en = models.CharField('Имя англ.', max_length=90, blank=True)
+
+    aka = models.CharField('Другие имена', max_length=255, blank=True)  # Разделены ;
+
+    class Meta:
+
+        verbose_name = 'Персона'
+        verbose_name_plural = 'Персоны'
+
+    class Fields:
+
+        text = {'verbose_name': 'Описание'}
+        text_src = {'verbose_name': 'Описание (исх.)'}
+
+    def __str__(self):
+        return self.name
+
+    @property
+    def title(self) -> str:
+        return self.get_display_name()
+
+    @classmethod
+    def get_known_persons(cls) -> dict[str, list['Person']]:
+        """Возвращает словарь, индексированный именами персон.
+
+        Где значения являются списками с объектами моделей персон.
+        Если в списке больше одной модели, значит этому имени соответствует
+        несколько разных моделей персон.
+
+        """
+        known = {}
+
+        for person in cls.objects.exclude(status=cls.Status.DELETED):
+            cls.contribute_to_known_persons(person, known_persons=known)
+
+        return known
+
+    @classmethod
+    def contribute_to_known_persons(cls, person: 'Person', known_persons: dict[str, list['Person']]):
+        """Добавляет объект указанной персоны в словарь с известными персонами.
+
+        :param person:
+        :param known_persons: Объект изменяется в ходе выполнения метода.
+
+        """
+        def add_name(name: str):
+            """Заносит имя в разных вариантах в реестр известных имён.
+
+            :param name:
+
+            """
+            name = PersonName(name)
+
+            for variant in name.get_variants:
+
+                persons_for_variant = known_persons.setdefault(variant, [])
+
+                if person not in persons_for_variant:  # Дубли не нужны.
+                    persons_for_variant.append(person)
+
+        add_name(person.name)
+        add_name(person.name_en)
+
+        for aka_chunk in person.aka.split(';'):
+            add_name(aka_chunk)
+
+    @classmethod
+    def find(cls, *search_terms: str) -> QuerySet:
+        """Ищет персону по указанному имени. Возвращает QuerySet.
+
+        :param search_terms: Строка для поиска.
+
+        """
+        q = Q()
+
+        for term in search_terms:
+
+            if not term:
+                continue
+
+            q |= Q(name__icontains=term) | Q(name_en__icontains=term) | Q(aka__icontains=term)
+
+        return cls.get_actual().filter(q)
+
+    @classmethod
+    def create(cls, name: str, *, save: bool = False, publish: bool = True) -> 'Person':
+        """Создаёт объект персоны по имени.
+
+        :param name:
+        :param save: Следует ли сохранить объект в БД.
+        :param publish: Следует ли пометить объект опубликованным.
+
+        """
+        person = cls(
+            name=name,
+            name_en=name,
+            status=cls.Status.PUBLISHED if publish else cls.Status.DRAFT,
+            text_src='Описание отсутствует',
+            submitter_id=settings.ROBOT_USER_ID,
+        )
+
+        if save:
+            person.save(notify_published=False, notify_new=False)
+
+        return person
+
+    @classmethod
+    def get_paginator_objects(cls) -> list:
+        persons = super().get_paginator_objects()
+
+        def sort_by_surname(person):
+            split = person.name.rsplit(' ', 1)
+            name = ' '.join(reversed(split))
+            person.name = name
+            return name
+
+        result = sorted(persons, key=sort_by_surname)
+
+        return result
+
+    def get_materials(self) -> dict:
+        """Возвращает словарь с матералами, созданными персоной.
+
+        Индексирован названиями разделов сайта; значения — список моделей материалов.
+
+        """
+        from ..realms import get_realm  # noqa: PLC0415
+
+        realms = [
+            get_realm('pep'),
+            get_realm('book'),
+            get_realm('video'),
+            get_realm('app'),
+        ]  # Пока ограничимся.
+
+        downloads: dict[str, dict] = {}
+        materials: dict[str, tuple[str, QuerySet]] = {}
+
+        materials_data = {
+            'downloads_map': downloads,
+            'items': materials,
+        }
+
+        for realm in realms:
+
+            realm_model = realm.model
+            realm_name = realm_model.get_verbose_name_plural()
+
+            _, plural = realm.get_names()
+
+            items = getattr(self, plural)
+
+            if realm.name != 'pep':
+                items = items.published()
+
+            items = items.order_by('slug', 'title')
+
+            if items:
+                materials[realm_name] = (plural, items)
+
+                if realm.name == 'app':
+                    for item in items:
+                        downloads[item.slug] = item.downloads
+
+        return materials_data
diff --git a/pythonz/apps/models/place.py b/pythonz/apps/models/place.py
new file mode 100644
index 00000000..7df64830
--- /dev/null
+++ b/pythonz/apps/models/place.py
@@ -0,0 +1,136 @@
+from enum import unique
+from typing import Optional
+
+from django.db import IntegrityError, models
+from simple_history.models import HistoricalRecords
+
+from ..generics.models import RealmBaseModel, WithRemoteSource
+from ..integration.base import RemoteSource
+from ..integration.utils import get_location_data
+from .discussion import ModelWithDiscussions
+
+
+class Place(RealmBaseModel, ModelWithDiscussions):
+    """Географическое место. Для людей, событий и пр."""
+
+    details_related: list[str] = ['last_editor']
+
+    @unique
+    class GeoType(models.TextChoices):
+
+        COUNTRY = 'country', 'Страна'
+        LOCALITY = 'locality', 'Местность'
+        HOUSE = 'house', 'Здание'
+
+    title = models.CharField('Название', max_length=255)
+
+    description = models.TextField('Описание', blank=True, null=False, default='')
+
+    geo_title = models.TextField('Полное название', null=True, blank=True, unique=True)
+
+    geo_bounds = models.CharField('Пределы', max_length=255, null=True, blank=True)
+
+    geo_pos = models.CharField('Координаты', max_length=255, null=True, blank=True)
+
+    geo_type = models.CharField(
+        'Тип', max_length=25, null=True, blank=True, choices=GeoType.choices, db_index=True)
+
+    history = HistoricalRecords()
+
+    class Meta:
+
+        verbose_name = 'Место'
+        verbose_name_plural = 'Места'
+
+    def __str__(self):
+        return self.geo_title or self.title
+
+    @property
+    def turbo_content(self) -> str:
+        return self.make_html(self.description)
+
+    def get_pos(self) -> tuple[str, str]:
+        """Возвращает координаты объекта в виде кортежа: (широта, долгота)."""
+        lat, lng = self.geo_pos.split('|')
+        return lat, lng
+
+    def get_description(self) -> str:
+        return self.description
+
+    @classmethod
+    def create_place_from_name(cls, name: str) -> Optional['Place']:
+        """Создаёт место по его имени.
+
+        :param name:
+
+        """
+        loc_data = get_location_data(name)
+
+        if not loc_data:
+            return None
+
+        full_title = loc_data['name']
+
+        place = cls(
+            title=loc_data['requested_name'],
+            geo_title=full_title,
+            geo_bounds=loc_data['bounds'],
+            geo_pos=loc_data['pos'],
+            geo_type=loc_data['type']
+        )
+
+        try:
+            place.save()
+
+        except IntegrityError:
+            place = cls.objects.get(geo_title=full_title)
+
+        return place
+
+
+class WithPlace(WithRemoteSource):
+    """Примесь для сущностей, которые могут связывать с местом."""
+
+    src_place_name = models.CharField('Название места в источнике', max_length=255, default='')
+
+    src_place_id = models.CharField('ID места в источнике', max_length=50, db_index=True, default='')
+
+    place = models.ForeignKey(
+        Place, verbose_name='Место', related_name='lnk_%(class)s', null=True, blank=True,
+        on_delete=models.SET_NULL)
+
+    class Meta:
+
+        abstract = True
+
+    @classmethod
+    def spawn_object(cls, item_data: dict, *, source: RemoteSource):
+        obj = super().spawn_object(item_data, source=source)
+        obj.link_to_place()
+        return obj
+
+    def link_to_place(self):
+        """Связывает запись с местом Place, заполняя атрибут place_id."""
+
+        src_place_id = self.src_place_id
+
+        if not src_place_id:
+            # Нам необходим некий идентификатор места во внешней системе.
+            # Без него ничего делать не будем.
+            return
+
+        # Попробуем найти ранее связанные записи, чтобы не нагружать API карт.
+        match = self.__class__.objects.filter(
+            src_alias=self.src_alias,
+            src_place_id=src_place_id,
+        ).first()
+
+        if match:
+            self.place_id = match.place_id
+
+        else:
+            # Вычисляем место.
+            match = Place.create_place_from_name(self.src_place_name)
+
+            if match:
+                self.place_id = match.id
diff --git a/pythonz/apps/models/reference.py b/pythonz/apps/models/reference.py
new file mode 100644
index 00000000..059b36f1
--- /dev/null
+++ b/pythonz/apps/models/reference.py
@@ -0,0 +1,221 @@
+from enum import unique
+
+from django.db import models
+from django.db.models import Q, QuerySet
+from django.utils.functional import cached_property
+from etc.models import InheritedModel
+from simple_history.models import HistoricalRecords
+
+from ..generics.models import CommonEntityModel, ModelWithCompiledText, RealmBaseModel
+from .discussion import ModelWithDiscussions
+from .version import Version
+
+
+class ReferenceMissing(models.Model):
+    """Промахи при поиске в справочнике."""
+
+    term = models.CharField('Термин', max_length=255, unique=True)
+
+    synonyms = models.TextField('Синонимы', blank=True)
+
+    hits = models.PositiveIntegerField('Запросы', default=0)
+
+    class Meta:
+
+        verbose_name = 'Промах справочника'
+        verbose_name_plural = 'Промахи справочника'
+
+    def __str__(self):
+        return self.term
+
+    @classmethod
+    def add(cls, search_term: str) -> bool:
+        """Добавляет данные по указанному термину в реестр промахов.
+        Возвращает True, если была добавлена новая запись.
+
+        :param search_term: Термин для поиска.
+
+        """
+        obj = cls.objects.filter(
+            Q(term__icontains=search_term) |
+            Q(synonyms__icontains=search_term)
+
+        ).first()
+
+        if obj:
+            obj.hits += 1
+            obj.save()
+
+        else:
+            cls(term=search_term, hits=1).save()
+
+        return obj is None
+
+
+class Reference(InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithDiscussions, ModelWithCompiledText):
+    """Модель сущности `Справочник`."""
+
+    slug_pick: bool = True
+    slug_auto: bool = True
+    allow_linked: bool = False
+    allow_edit_published: bool = True
+    details_related: list[str] = ['parent', 'submitter']
+
+    @unique
+    class Type(models.IntegerChoices):
+
+        CHAPTER = 1, 'Раздел справки'
+        PACKAGE = 2, 'Описание пакета'
+        MODULE = 3, 'Описание модуля'
+        FUNCTION = 4, 'Описание функции'
+        CLASS = 5, 'Описание класса/типа'
+        METHOD = 6, 'Описание метода класса/типа'
+        PROPERTY = 7, 'Описание свойства класса/типа'
+
+    TYPES_CALLABLE = {
+        Type.METHOD,
+        Type.FUNCTION,
+        Type.CLASS,
+    }
+
+    TYPES_BUNDLE = {
+        Type.CHAPTER,
+        Type.PACKAGE,
+        Type.MODULE,
+    }
+
+    type = models.PositiveIntegerField(
+        'Тип статьи', choices=Type.choices, default=Type.CHAPTER,
+        help_text='Служит для структурирования информации. Справочные статьи разных типов могут выглядеть по-разному.')
+
+    parent = models.ForeignKey(
+        'self', related_name='children', verbose_name='Родитель', db_index=True, null=True, blank=True,
+        help_text='Укажите родительский раздел. '
+                  'Например, для модуля можно указать раздел справки, в которому он относится; '
+                  'для метода &#8212; класс.',
+        on_delete=models.PROTECT)
+
+    version_added = models.ForeignKey(
+        Version, related_name='%(class)s_added', verbose_name='Добавлено в', null=True, blank=True,
+        help_text='Версия Python, для которой впервые стала актульна данная статья<br>'
+                  '(версия, где впервые появился модуль, пакет, класс, функция).',
+        on_delete=models.SET_NULL)
+
+    version_deprecated = models.ForeignKey(
+        Version, related_name='%(class)s_deprecated', verbose_name='Устарело в', null=True, blank=True,
+        help_text='Версия Python, для которой впервые данная статья перестала быть актуальной<br>'
+        '(версия, где модуль, пакет, класс, функция были объявлены устаревшими).',
+        on_delete=models.SET_NULL)
+
+    func_proto = models.CharField(
+        'Прототип', max_length=250, null=True, blank=True,
+        help_text='Для функций/методов. Описание интерфейса, например: <i>my_func(arg, kwarg=None)</i>')
+
+    func_params = models.TextField(
+        'Параметры', null=True, blank=True,
+        help_text='Для функций/методов. Описание параметров функции.')
+
+    func_result = models.CharField(
+        'Результат', max_length=250, null=True, blank=True,
+        help_text='Для функций/методов. Описание результата, например: <i>int</i>.')
+
+    pep = models.PositiveIntegerField(
+        'PEP', null=True, blank=True,
+        help_text='Номер предложения по улучшению Питона, связанного с этой статьёй, например: <i>8</i> для PEP-8')
+
+    search_terms = models.CharField(
+        'Термины поиска', max_length=500, blank=True, default='',
+        help_text='Дополнительные фразы, по которым можно найти данную статью, например: <i>«список», для «list»</i>')
+
+    history = HistoricalRecords()
+
+    class Meta:
+
+        verbose_name = 'Статья справочника'
+        verbose_name_plural = 'Справочник'
+        ordering = ('parent_id', 'title')
+
+    class Fields:
+
+        title = {
+            'verbose_name': 'Название',
+            'help_text': ('Здесь следует указать название раздела справки '
+                          'или пакета, модуля, класса, метода, функции и т.п.')
+        }
+        description = {
+            'verbose_name': 'Кратко',
+            'help_text': 'Краткое описание для раздела или пакета, модуля, класса, метода, функции и т.п.',
+        }
+        text_src = {
+            'verbose_name': 'Описание',
+            'help_text': 'Подробное описание. Здесь же следует располагать примеры кода.',
+        }
+
+    @cached_property
+    def page_keywords(self):
+        title = self.title
+        title_chunked = title.replace('.', ', ')
+
+        if title != title_chunked:
+            title = f"{title}, {title_chunked}"
+
+        return f'{title}, {self.search_terms}'.rstrip(', ')
+
+    @property
+    def turbo_content(self) -> str:
+        return self.description
+
+    @property
+    def is_type_callable(self) -> bool:
+        return self.type in self.TYPES_CALLABLE
+
+    @property
+    def is_type_bundle(self) -> bool:
+        return self.type in self.TYPES_BUNDLE
+
+    @property
+    def is_type_method(self) -> bool:
+        return self.type == self.Type.METHOD
+
+    @property
+    def is_type_module(self) -> bool:
+        return self.type == self.Type.MODULE
+
+    @property
+    def is_type_class(self) -> bool:
+        return self.type == self.Type.CLASS
+
+    @property
+    def is_type_chapter(self) -> bool:
+        return self.type == self.Type.CHAPTER
+
+    @classmethod
+    def get_actual(cls, parent: 'Reference' = None, exclude_id: int = None) -> QuerySet:
+
+        qs = cls.objects.published()
+
+        if parent is not None:
+            qs = qs.filter(parent=parent)
+
+        if exclude_id is not None:
+            qs = qs.exclude(pk=exclude_id)
+
+        return qs.order_by('-time_published').all()
+
+    @classmethod
+    def find(cls, *search_terms: str) -> QuerySet:
+        """Ищет указанный текст в справочнике. Возвращает QuerySet.
+
+        :param search_terms: Строка для поиска.
+
+        """
+        q = Q()
+
+        for term in search_terms:
+
+            if not term:
+                continue
+
+            q |= Q(title__icontains=term) | Q(search_terms__icontains=term)
+
+        return cls.objects.published().filter(q).order_by('time_published')
diff --git a/pythonz/apps/models/shared.py b/pythonz/apps/models/shared.py
new file mode 100644
index 00000000..b3569655
--- /dev/null
+++ b/pythonz/apps/models/shared.py
@@ -0,0 +1,17 @@
+from ..utils import UTM
+
+HINT_IMPERSONAL_REQUIRED = (
+    '<strong>Без обозначения личного отношения. Личное отношение можно выразить в Обсуждениях к материалу.</strong>')
+
+
+class UtmReady:
+    """Примесь, добавляющая модели метод для получения URL с метками UTM."""
+
+    url_attr: str = 'url'
+
+    utm_on_main: bool = True
+    """Использовать utm URLы в карточках на главной."""
+
+    def get_utm_url(self) -> str:
+        """Возвращает URL с UTM-метками."""
+        return UTM.add_to_external_url(getattr(self, self.url_attr) or '')
diff --git a/pythonz/apps/models/summary.py b/pythonz/apps/models/summary.py
new file mode 100644
index 00000000..9c59bf79
--- /dev/null
+++ b/pythonz/apps/models/summary.py
@@ -0,0 +1,149 @@
+import json
+from typing import TYPE_CHECKING
+
+from django.conf import settings
+from django.db import models
+
+from ..generics.models import RealmBaseModel
+from ..integration.summary import SUMMARY_FETCHERS
+from ..utils import get_datetime_from_till
+from .article import Article
+from .category import Category
+from .user import User
+
+if TYPE_CHECKING:
+    from ..integration.summary.base import ItemsFetcherBase, SummaryItem
+
+
+TypeFetched = dict[str, list['SummaryItem']]
+
+
+class Summary(RealmBaseModel):
+    """Cводки. Ссылки на материалы, собранные с внешних ресурсов."""
+
+    data_items = models.TextField('Текущие элементы сводки')
+
+    data_result = models.TextField(
+        'Результат для фильтрации сводки',
+        help_text='Данные для фильтрации элементов сводки при последующих обращениях к ресурсу.')
+
+    class Meta:
+
+        verbose_name = 'Сводка'
+        verbose_name_plural = 'Сводки'
+        ordering = ('-time_created',)
+
+    def __str__(self):
+        return str(self.time_created)
+
+    @classmethod
+    def make_text(cls, fetched: TypeFetched) -> str:
+        """Компонует текст из полученных извне данных.
+
+        :param fetched:
+
+        """
+        summary_text = []
+
+        trans_map = str.maketrans(dict.fromkeys(('|', '`', '\t', '\n', '\r')))
+
+        for fetcher_alias, items in fetched.items():
+
+            if not items:
+                continue
+
+            summary_text.append(f'.. title:: {SUMMARY_FETCHERS[fetcher_alias].title}')
+            summary_text.append('.. table::')
+
+            for item in items:
+                title = item.title.translate(trans_map)
+
+                line = f'`{title}<{item.url}>`_'
+
+                if description := item.description:
+                    description = description.translate(trans_map)
+                    line += f' — {description}'
+
+                summary_text.append(line)
+
+            summary_text.append('\n')
+
+        if not summary_text:
+            return ''
+
+        summary_text.append('')
+        summary_text = '\n'.join(summary_text)
+
+        return summary_text
+
+    @classmethod
+    def create_article(cls, fetched: TypeFetched | None = None) -> 'Article':
+        """Создаёт сводку, используя данные, полученные извне.
+
+        :param fetched: Данные для составления статьи.
+
+        """
+        if fetched is None:
+            fetched = cls.fetch()
+
+        summary_text = cls.make_text(fetched)
+
+        format_date = lambda d: d.date().strftime('%d.%m.%Y')  # noqa: E731
+        date_from, date_till = get_datetime_from_till(7)
+
+        robot_id = settings.ROBOT_USER_ID
+
+        article = Article(
+            title=f'Сводка {format_date(date_from)} — {format_date(date_till)}',
+            description='А теперь о том, что происходило в последнее время на других ресурсах.',
+            submitter_id=robot_id,
+            text_src=summary_text,
+            source=Article.Source.SCRAPING,
+            published_by_author=False,
+            nofollow=True,
+        )
+        article.mark_published()
+        article.save()
+
+        article.add_to_category(Category(pk=settings.SUMMARY_CATEGORY_ID), User(pk=robot_id))
+
+        return article
+
+    @classmethod
+    def fetch(cls) -> TypeFetched:
+        """Добывает данные из источников, складирует их и возвращает в виде словаря."""
+        latest = cls.objects.order_by('-pk').first()
+
+        prev_results = json.loads(getattr(latest, 'data_result', '{}'))
+        prev_dt = getattr(latest, 'time_created', None)
+
+        all_items = {}
+        all_results = {}
+
+        for fetcher_alias, fetcher_cls in SUMMARY_FETCHERS.items():
+
+            prev_result = prev_results.get(fetcher_alias) or []
+
+            fetcher: ItemsFetcherBase = fetcher_cls(
+                previous_result=prev_result,
+                previous_dt=prev_dt
+            )
+            result = fetcher.run()
+
+            if result is None:
+                # По всей видимости, произошла необработанная ошибка.
+                items, result = [], prev_result
+
+            else:
+                items, result = result
+
+            all_items[fetcher_alias] = items
+            all_results[fetcher_alias] = result
+
+        new_summary = cls(
+            data_items=json.dumps(all_items),
+            data_result=json.dumps(all_results)
+        )
+        new_summary.save()
+
+        return all_items
diff --git a/pythonz/apps/models/user.py b/pythonz/apps/models/user.py
new file mode 100644
index 00000000..d95d6a03
--- /dev/null
+++ b/pythonz/apps/models/user.py
@@ -0,0 +1,184 @@
+
+from django.contrib.auth.models import AbstractUser, UserManager
+from django.core.exceptions import FieldError
+from django.db import models
+from django.db.models import QuerySet
+from siteflags.utils import get_flag_model
+
+from ..generics.models import RealmBaseModel
+from ..integration.utils import get_timezone_name
+from .category import Category
+from .place import Place
+from .shared import UtmReady
+
+
+class User(UtmReady, RealmBaseModel, AbstractUser):
+    """Наша модель пользователей."""
+
+    allow_edit_anybody: bool = False
+    items_per_page: int = 14
+    details_related: list[str] = ['last_editor', 'person', 'place']
+
+    objects = UserManager()
+
+    place = models.ForeignKey(
+        Place, verbose_name='Место', related_name='users', null=True, blank=True,
+        help_text='Место вашего пребывания (страна, город, село).<br>'
+                  'Например: «Россия, Новосибирск» или «Новосибирск», но не «Нск».',
+        on_delete=models.SET_NULL)
+
+    profile_public = models.BooleanField(
+        'Публичный профиль', default=False, db_index=True,
+        help_text='Если выключить, то увидеть ваш профиль сможете только вы.<br>'
+                  'В списках пользователей профиль значиться тоже не будет.')
+
+    timezone = models.CharField(
+        'Часовой пояс', max_length=150, null=True, blank=True,
+        help_text='Название часового пояса. Например: Asia/Novosibirsk.<br>'
+                  '* Устанавливается автоматически в зависимости от места пребывания (см. выше).')
+
+    email_public = models.EmailField(
+        'Эл. почта', null=True, blank=True,
+        help_text='Адрес электронной почты для показа посетителям сайта.')
+
+    url = models.URLField('Страница в сети', null=True, blank=True)
+
+    karma = models.DecimalField('Карма', max_digits=6, decimal_places=2, default=0)
+
+    class Meta:
+
+        verbose_name = 'Пользователь'
+        verbose_name_plural = 'Пользователи'
+
+    def __str__(self):
+        return self.get_full_name() or self.get_username_partial()
+
+    @property
+    def title(self) -> str:
+        return self.get_display_name()
+
+    @property
+    def is_draft(self) -> bool:
+        # Не считаем черновиком, считаем опубликованным.
+        return False
+
+    def set_timezone_from_place(self):
+        """Устанавливает временную зону, исходя из места расположения."""
+
+        if self.place is None:
+            self.timezone = None
+            return True
+
+        if geo_pos := self.place.geo_pos:
+            lat, lng = geo_pos.split(',')
+            self.timezone = get_timezone_name(lat, lng)
+
+    def get_drafts(self) -> dict[str, QuerySet]:
+        """Возвращает словарь с неопубликованными материалами пользователя.
+        Индексирован названиями разделов сайта; значения — списки материалов.
+
+        """
+        from ..realms import get_realms_models  # noqa: PLC0415
+
+        drafts = {}
+
+        for realm_model in get_realms_models():
+
+            try:
+                realm_name = realm_model.get_verbose_name_plural()
+
+            except AttributeError:
+                pass
+
+            else:
+                items = realm_model.objects.filter(
+                    status__in=(self.Status.DRAFT, self.Status.POSTPONED),
+                    submitter_id=self.id
+
+                ).order_by('time_created')
+
+                if items:
+                    drafts[realm_name] = items
+
+        return drafts
+
+    def get_stats(self) -> dict[str, dict]:
+        """Возвращает словарь со статистикой пользователя.
+
+        Индексирован названиями разделов сайта; значения — словарь со статистикой:
+            cnt_published - кол-во опубликованных материалов
+            cnt_postponed - кол-во материалов, назначенных к отложенной публикации
+
+        """
+        from ..realms import get_realms_models  # noqa: PLC0415
+
+        stats = {}
+        for realm_model in get_realms_models():
+
+            try:
+                realm_name = realm_model.get_verbose_name_plural()
+                cnt_published = realm_model.objects.published().filter(submitter_id=self.id).count()
+                cnt_postponed = realm_model.objects.postponed().filter(submitter_id=self.id).count()
+
+            except (FieldError, AttributeError):
+                pass
+
+            else:
+
+                if cnt_published or cnt_postponed:
+                    stats[realm_name] = {
+                        'cnt_published': cnt_published,
+                        'cnt_postponed': cnt_postponed,
+                    }
+
+        return stats
+
+    def get_bookmarks(self) -> dict[str, QuerySet]:
+        """Возвращает словарь с избранными пользователем элементами (закладками).
+        Словарь индексирован классами моделей различных сущностей, в значениях - списки с самими сущностями.
+
+        """
+        from ..realms import get_realms_models  # noqa: PLC0415
+
+        FLAG_MODEL = get_flag_model()
+
+        bookmarks = FLAG_MODEL.get_flags_for_types(
+            get_realms_models(), user=self, status=RealmBaseModel.FLAG_STATUS_BOOKMARK,
+            allow_empty=False
+        )
+
+        for realm_model, flags in bookmarks.items():
+            ids = [flag.object_id for flag in flags]
+            items = realm_model.objects.filter(id__in=ids)
+            bookmarks[realm_model] = items
+
+        return bookmarks
+
+    @property
+    def is_deleted(self) -> bool:
+        return not self.is_active
+
+    @classmethod
+    def get_actual(cls) -> QuerySet:
+        return cls.objects.filter(is_active=True, profile_public=True).order_by('-date_joined').all()
+
+    @classmethod
+    def get_paginator_objects(cls) -> QuerySet:
+        return cls.get_actual()
+
+    @classmethod
+    def get_most_voted_objects(cls, category: Category = None, base_query: QuerySet = None) -> QuerySet:
+        query = cls.objects.filter(supporters_num__gt=0)
+        query = query.select_related('submitter').order_by('-supporters_num')
+        return query.all()[:5]
+
+    def get_username_partial(self) -> str:
+        return self.username.split('@')[0]
+
+    def get_description(self) -> str:
+        """Возвращает вычисляемое описание объекта.
+        Обычно должен использоваться вместо обращения к атрибуту description,
+        которого может не сущестовать у модели.
+
+        """
+        return self.get_display_name()
diff --git a/pythonz/apps/models/vacancy.py b/pythonz/apps/models/vacancy.py
new file mode 100644
index 00000000..b1e889b4
--- /dev/null
+++ b/pythonz/apps/models/vacancy.py
@@ -0,0 +1,188 @@
+from datetime import timedelta
+from statistics import median
+
+from django.db import models
+from django.db.models import Count
+from django.utils.timezone import now
+
+from ..integration.vacancies import VacancySource
+from ..utils import format_currency
+from .place import Place, WithPlace
+from .shared import UtmReady
+
+
+class Vacancy(UtmReady, WithPlace):
+
+    paginator_related: list[str] = ['place']
+    items_per_page: int = 15
+    notify_on_publish: bool = False
+
+    source_group = VacancySource
+
+    title = models.CharField('Название', max_length=255)
+
+    url_api = models.URLField('URL API', null=True, blank=True)
+
+    url_logo = models.URLField('URL логотипа', null=True, blank=True)
+
+    employer_name = models.CharField('Работодатель', max_length=255)
+
+    salary_from = models.PositiveIntegerField('Заработная плата', null=True, blank=True)
+
+    salary_till = models.PositiveIntegerField('З/п до', null=True, blank=True)
+
+    salary_currency = models.CharField('Валюта', max_length=255, null=True, blank=True)
+
+    class Meta:
+
+        verbose_name = 'Вакансия'
+        verbose_name_plural = 'Работа'
+        unique_together = ('src_alias', 'src_id')
+
+    @property
+    def cover(self) -> str:
+        return self.url_logo
+
+    @property
+    def description(self) -> str:
+        # todo Убрать после перевода всего на get_description.
+        return self.get_description()
+
+    def get_description(self) -> str:
+        """Возвращает вычисляемое описание объекта.
+        Обычно должен использоваться вместо обращения к атрибуту description,
+        которого может не сущестовать у модели.
+
+        """
+        chunks = [self.employer_name, self.src_place_name]
+        salary_chunk = self.get_salary_str()
+
+        if salary_chunk:
+            chunks.append(salary_chunk)
+
+        return ', '.join(chunks)
+
+    @classmethod
+    def get_places_stats(cls, min_count: int = 5) -> list[Place]:
+        """Возвращает статистику по количеству вакансий на местах.
+
+        :param min_count: Минимальное количество вакансий для попадения
+            места в результат.
+
+        """
+        stats = list(Place.objects.filter(
+            id__in=cls.objects.published().filter(place__isnull=False).distinct().values_list('place_id', flat=True),
+            lnk_vacancy__status=cls.Status.PUBLISHED
+
+        ).annotate(vacancies_count=Count('lnk_vacancy')).filter(
+            vacancies_count__gte=min_count
+
+        ).order_by('-vacancies_count', 'title'))
+
+        return stats
+
+    @classmethod
+    def get_salary_stats(cls, place: Place | None = None) -> dict:
+        """Возвращает статистику по зарплатам.
+
+        :param place: Место, для которого следует получить статистику.
+
+        """
+        filter_kwargs = {
+            'salary_currency__isnull': False,
+            'salary_till__isnull': False,
+            'salary_from__gt': 900,
+            'status': cls.Status.PUBLISHED,
+        }
+
+        if place is not None:
+            filter_kwargs['place'] = place
+
+        stats = list(cls.objects.published().filter(
+            **filter_kwargs
+
+        ).values(
+            'salary_currency',
+            'salary_from',
+            'salary_till',
+        ))
+
+        by_currency = {}
+
+        for stat_row in stats:
+
+            row = by_currency.setdefault(stat_row['salary_currency'], {
+                'min': float('inf'),
+                'max': 0,
+                'avg': [],
+            })
+
+            if row['min'] > stat_row['salary_from']:
+                row['min'] = stat_row['salary_from']
+
+            if row['max'] < stat_row['salary_till']:
+                row['max'] = stat_row['salary_till']
+
+            if row['max'] < row['min']:
+                row['max'] = row['min']
+
+            row['avg'].append(
+                row['min'] + ((row['max'] - row['min']) / 2)
+            )
+
+        for info in by_currency.values():
+
+            info['avg'] = median(info['avg'])
+
+            for key in ('min', 'max', 'avg'):
+                info[key] = f'{round(info[key] / 1000, 1)}'.replace('.0', '', 1) + 'K'
+
+        return by_currency
+
+    def get_salary_str(self) -> str:
+        """Возвращает данные о зарплате в виде строки."""
+
+        chunks = []
+        if self.salary_from:
+            chunks.append(format_currency(self.salary_from))
+
+        if self.salary_till:
+            chunks.extend(('—', format_currency(self.salary_till)))
+
+        if self.salary_currency:
+            chunks.append(self.salary_currency)
+
+        return ' '.join(map(str, chunks)).strip()
+
+    def get_absolute_url(self, *, with_prefix: bool = False, utm_source: str = None) -> str:
+        return self.get_utm_url()
+
+    @classmethod
+    def update_statuses(cls):
+        """Обновляет состояния записей по данным внешнего ресурса."""
+
+        for_update = []
+        stale_time = now() - timedelta(days=30)
+
+        for vacancy in cls.objects.published():
+
+            source = cls.source_group.get_source(vacancy.src_alias)
+
+            if not source:
+                continue
+
+            for_update.append(vacancy)
+
+            status = source.get_status(vacancy.url_api)
+
+            if vacancy.time_created < stale_time:
+                vacancy.status = cls.Status.ARCHIVED
+
+            else:
+                if status:
+                    vacancy.status = cls.Status.ARCHIVED
+
+                elif status is None:
+                    vacancy.status = cls.Status.DELETED
+
+        cls.objects.bulk_update(for_update, fields=['status'])
diff --git a/pythonz/apps/models/version.py b/pythonz/apps/models/version.py
new file mode 100644
index 00000000..5f88a311
--- /dev/null
+++ b/pythonz/apps/models/version.py
@@ -0,0 +1,144 @@
+from datetime import timedelta
+from typing import NamedTuple
+
+from django.conf import settings
+from django.db import models
+from django.db.models import FloatField, QuerySet
+from django.db.models.functions import Cast
+from django.utils import timezone
+from etc.models import InheritedModel
+
+from ..generics.models import CommonEntityModel, ModelWithCompiledText, RealmBaseModel
+from .discussion import ModelWithDiscussions
+from .shared import HINT_IMPERSONAL_REQUIRED
+
+
+class LifeTimeInfo(NamedTuple):
+    idx: int
+    since: str
+    till: str
+    pos1: str
+    pos2: str
+
+
+class Version(InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithDiscussions, ModelWithCompiledText):
+
+    slug_pick: bool = True
+    slug_auto: bool = True
+    items_per_page: int = 10
+
+    date = models.DateField('Дата выпуска')
+    date_till = models.DateField('Окончание поддержки', null=True, blank=True)
+
+    class Fields:
+
+        title = {
+            'verbose_name': 'Номер',
+            'help_text': 'Номер версии с двумя обязательными разрядами и третим опциональным. Например: 2.7.12, 3.6.',
+        }
+
+        description = {
+            'verbose_name': 'Введение',
+            'help_text': 'Краткое описание основных изменений в версии.',
+        }
+
+        text_src = {
+            'verbose_name': 'Описание',
+            'help_text': (
+                'Обзорное, более полное описание нововведений и изменений, произошедших в версии. '
+                f'{HINT_IMPERSONAL_REQUIRED}'),
+        }
+
+    class Meta:
+
+        verbose_name = 'Версия Python'
+        verbose_name_plural = 'Версии Python'
+        ordering = ('-date',)
+
+    def __str__(self):
+        return f'Python {self.title}'
+
+    @property
+    def current(self) -> bool:
+        """Возвращает флаг, указывающий на то,
+        является ли версия актуальной (поддерживается ли на текущий момент).
+
+        """
+        date = self.date
+        date_till = self.date_till
+
+        if not date or not date_till:
+            return False
+
+        now = timezone.now().date()
+
+        return date < now < date_till
+
+    @property
+    def turbo_content(self) -> str:
+        return self.text
+
+    @classmethod
+    def get_paginator_objects(cls) -> QuerySet:
+        qs = super().get_paginator_objects()
+        qs = qs.order_by('-date')
+        return qs
+
+    @classmethod
+    def create_stub(cls, version_number: str) -> 'Version':
+        """Создаёт запись о версии, основываясь только на номере.
+        Использует для автоматического создания версий, например, из PEP.
+
+        :param version_number:
+
+        """
+        stub = cls(
+            title=version_number,
+            description=f'Python версии {version_number}',
+            text_src='Описание версии ещё не сформировано.',
+            submitter_id=settings.ROBOT_USER_ID,
+            date=timezone.now().date()
+        )
+        stub.save()
+
+        return stub
+
+    @classmethod
+    def get_lifetime_data(cls):
+
+        versions = cls.objects.exclude(
+            date_till__isnull=True
+        ).annotate(
+            num=Cast('title', FloatField())
+        ).order_by('num')
+
+        def format_date(val):
+            return val.strftime('%Y-%m-%d')
+
+        now = timezone.now().date()
+        delta = timedelta(days=1095)  # 3 года
+
+        data = {
+            'titles': [],
+            'indexes': [],
+            'info': [],
+            'now': format_date(now),
+            'range': f"'{format_date(now-delta)}', '{format_date(now+delta)}'"
+        }
+
+        next_pos = -0.1
+
+        for idx, version in enumerate(versions):
+            title = version.title
+            data['titles'].append(title)
+            data['indexes'].append(idx)
+            data['info'].append(LifeTimeInfo(
+                idx=idx,
+                since=format_date(version.date),
+                till=format_date(version.date_till),
+                pos1=f'{next_pos}',
+                pos2=f'{next_pos + 0.2}',
+            ))
+            next_pos += 1
+
+        return data
diff --git a/pythonz/apps/models/video.py b/pythonz/apps/models/video.py
new file mode 100644
index 00000000..34d7bf9d
--- /dev/null
+++ b/pythonz/apps/models/video.py
@@ -0,0 +1,68 @@
+
+from django.db import models
+from etc.models import InheritedModel
+from simple_history.models import HistoricalRecords
+from sitecats.models import ModelWithCategory
+
+from ..generics.models import CommonEntityModel, ModelWithAuthorAndTranslator, RealmBaseModel
+from ..integration.videos import VideoBroker
+from .discussion import ModelWithDiscussions
+from .person import PersonsLinked
+from .shared import HINT_IMPERSONAL_REQUIRED
+
+
+class Video(
+    InheritedModel, RealmBaseModel, CommonEntityModel, ModelWithDiscussions, ModelWithCategory,
+    ModelWithAuthorAndTranslator, PersonsLinked):
+    """Модель сущности `Видео`."""
+
+    COVER_UPLOAD_TO: str = 'videos'
+
+    code = models.TextField('Код')
+
+    url = models.URLField('URL')
+
+    authors = models.ManyToManyField('Person', verbose_name='Авторы', related_name='videos', blank=True)
+
+    history = HistoricalRecords()
+
+    persons_fields: list[str] = ['authors']
+
+    class Meta:
+
+        verbose_name = 'Видео'
+        verbose_name_plural = 'Видео'
+
+    class Fields:
+
+        title = 'Название видео'
+
+        translator = 'Перевод/озвучание'
+
+        description = {
+            'help_text': f'Краткое описание того, о чём это видео. {HINT_IMPERSONAL_REQUIRED}',
+        }
+
+        linked = {
+            'verbose_name': 'Связанные видео',
+            'help_text': (
+                'Выберите видео, которые имеют отношение к данному. '
+                'Например, можно связать несколько эпизодов видео.'),
+        }
+
+        year = 'Год съёмок'
+
+    @property
+    def turbo_content(self) -> str:
+        return self.make_html(self.description)
+
+    @classmethod
+    def get_supported_hostings(cls) -> list[str]:
+        return list(VideoBroker.hostings.keys())
+
+    def update_code_and_cover(self, url: str):
+
+        embed_code, cover_url = VideoBroker.get_code_and_cover(url)
+
+        self.code = embed_code
+        self.update_cover_from_url(cover_url)
diff --git a/pythonz/apps/realms.py b/pythonz/apps/realms.py
new file mode 100644
index 00000000..ea9e48b9
--- /dev/null
+++ b/pythonz/apps/realms.py
@@ -0,0 +1,651 @@
+from collections.abc import Generator
+from operator import attrgetter
+
+from django.contrib.sitemaps import GenericSitemap
+from django.contrib.sitemaps.views import sitemap
+from django.db.models import signals
+from django.urls import get_resolver, path, re_path, reverse
+from sitecats.toolbox import get_tie_model
+from sitetree.models import TreeItemBase
+from sitetree.sitetreeapp import compose_dynamic_tree, register_dynamic_trees
+from sitetree.utils import item, tree
+
+from .forms.forms import (
+    AppForm,
+    ArticleForm,
+    BookForm,
+    CommunityForm,
+    DiscussionForm,
+    EventForm,
+    ReferenceForm,
+    UserForm,
+    VersionForm,
+    VideoForm,
+)
+from .generics.forms import CommonEntityForm
+from .generics.models import RealmBaseModel
+from .generics.realms import SYNDICATION_ITEMS_LIMIT, SYNDICATION_URL_MARKER, RealmBase
+from .generics.views import RealmView
+from .models import (
+    PEP,
+    App,
+    Article,
+    Book,
+    Category,
+    Community,
+    Discussion,
+    Event,
+    Person,
+    Place,
+    Reference,
+    User,
+    Vacancy,
+    Version,
+    Video,
+)
+from .signals import sig_support_changed
+from .views import (
+    CategoryListingView,
+    PepListingView,
+    PersonDetailsView,
+    PlaceDetailsView,
+    PlaceListingView,
+    ReferenceDetailsView,
+    ReferenceListingView,
+    UserDetailsView,
+    UserEditView,
+    VacancyListingView,
+    VersionDetailsView,
+    ide,
+)
+from .zen import register_zen_siteblock
+
+# Регистрируем блок сайта с дзеном
+register_zen_siteblock()
+
+
+def bootstrap_realms(urlpatterns: list) -> list:
+    """Инициализирует машинерию областей сайта.
+
+    Принимает на вход urlpatterns из urls.py и модифицирует их.
+
+    :param urlpatterns:
+
+    """
+    urlpatterns += get_realms_urls()
+
+    connect_signals()
+    build_sitetree()
+
+    return urlpatterns
+
+
+REALMS_REGISTRY: dict[str, type[RealmBase]] = {}
+
+
+def connect_signals():
+    """Подключает обработчки сигналов проекта."""
+
+    sig_support_changed.connect(RealmBaseModel.cache_delete_most_voted_objects)
+    signals.post_save.connect(ReferenceRealm.build_sitetree, sender=Reference)
+    signals.post_delete.connect(ReferenceRealm.build_sitetree, sender=Reference)
+
+
+def register_realms(*classes: type[RealmBase]):
+    """Регистрирует области (сущности), которые должны быть доступны на сайте.
+
+    :param classes:
+
+    """
+    for cls in classes:
+        REALMS_REGISTRY[cls.get_names()[0]] = cls
+        cls.init()
+
+
+def get_realms_models() -> list[type[RealmBaseModel]]:
+    """Возвращает список моделей всех областей сайта."""
+    return [r.model for r in get_realms().values()]
+
+
+def get_realms() -> dict[str, type[RealmBase]]:
+    """Возвращает словарь зарегистрированных областей сайта,
+    индексированный именами областей.
+
+    """
+    return REALMS_REGISTRY
+
+
+def get_realm(name: str) -> type[RealmBase] | None:
+    """Вернёт область по её имени, либо None.
+
+    :param name:
+
+    """
+    realms = get_realms()
+    realm = None
+
+    try:
+        realm = realms[name]
+
+    except KeyError:
+        pass
+
+    return realm
+
+
+def get_sitemaps() -> dict[str, GenericSitemap]:
+    """Возвращает словарь с sitemap-директивами для поисковых систем."""
+
+    sitemaps = {}
+
+    for realm in get_realms().values():
+
+        if realm.sitemap_enabled:
+            sitemaps[realm.name_plural] = realm.get_sitemap()
+
+    return sitemaps
+
+
+def get_realms_urls() -> list:
+    """Возвращает url-шаблоны всех зарегистрированных областей сайта."""
+
+    url_patterns = [
+        path('references/ide/', ide),
+    ]
+
+    for realm in get_realms().values():
+        url_patterns += realm.get_urls()
+
+    if sitemaps := get_sitemaps():
+        url_patterns += [re_path(r'^sitemap\.xml$', sitemap, {'sitemaps': sitemaps})]
+
+    return url_patterns
+
+
+def get_sitetree_root_item(children: Generator[TreeItemBase] = None) -> TreeItemBase:
+    """Возвращает корневой элемент динамического древа сайта.
+
+    :param children: Дочерние динамические элементы.
+
+    """
+    return item(
+        'Про Python', '/', alias='topmenu', url_as_pattern=False,
+        description='Сайт про Питон. Различные материалы по языку программирования Python: '
+                    'книги, видео, справочник, сообщества, события, обсуждения и многое другое.',
+        children=children)
+
+
+def build_sitetree():
+    """Строит древо сайта, исходя из доступных областей сайта."""
+
+    register_dynamic_trees(
+        compose_dynamic_tree((
+            tree('main', 'Основное дерево', (
+                get_sitetree_root_item((realm.get_sitetree_items() for realm in get_realms().values())),
+                item('Вход', 'login', access_guest=True, in_menu=False, in_breadcrumbs=False),
+                item('', '/', alias='personal', url_as_pattern=False, access_loggedin=True, in_menu=False,
+                     in_sitetree=False, children=(
+                        item('Профиль', 'users:details request.user.id', access_loggedin=True, in_breadcrumbs=True,
+                             in_sitetree=False),
+                        item('Настройки', 'users:edit request.user.id', access_loggedin=True, in_breadcrumbs=True,
+                             in_sitetree=False),
+                        item('Выход', 'logout', access_loggedin=True, in_breadcrumbs=False, in_sitetree=False),
+                )),
+
+            )),
+            tree('about', 'О проекте', (
+                item('Что такое Python', '/promo/',
+                     description='Краткие сведения о возможностях и областях применения языка программирования Python.',
+                     url_as_pattern=False),
+                item('О проекте', '/about/',
+                     description='Информация о проекте. О том, как, кем и для чего разрабатывается данный сайт.',
+                     url_as_pattern=False),
+                item('Карта сайта', '/sitemap/', description='Список разделов на сайте оформленный в виде карты сайта.',
+                     url_as_pattern=False),
+                item('Поиск по сайту', '/search/site/',
+                     description='Глобальный поиск по материалам, расположенным на сайте.',
+                     url_as_pattern=False),
+                item('Результаты поиска «{{ search_term }}»', '/search/', url_as_pattern=False, in_menu=False,
+                     in_sitetree=False),
+            ))
+        )),
+        reset_cache=True
+    )
+
+    ReferenceRealm.build_sitetree()
+
+
+class BookRealm(RealmBase):
+    """Область с книгами."""
+
+    txt_form_add: str = 'Добавить книгу'
+    txt_form_edit: str = 'Изменить книгу'
+
+    view_listing_description: str = 'Книги по программированию вообще и на языке Python в частности.'
+    view_listing_keywords: str = 'книги по питону, литература по python'
+
+    model: type[RealmBaseModel] = Book
+    form: type[CommonEntityForm] = BookForm
+    icon: str = 'book'
+
+
+class VideoRealm(RealmBase):
+    """Область с видео."""
+
+    txt_form_add: str = 'Добавить видео'
+    txt_form_edit: str = 'Изменить видео'
+
+    view_listing_description: str = 'Видео-записи лекций, курсов, докладов, связанные с языком программирования Python'
+    view_listing_keywords: str = 'видео по питону, доклады по python'
+
+    model: type[RealmBaseModel] = Video
+    form: type[CommonEntityForm] = VideoForm
+    icon: str = 'film'
+
+
+class EventRealm(RealmBase):
+    """Область с событиями."""
+
+    view_listing_description: str = (
+        'События, которые могут заинтересовать питонистов: встречи, конференции, спринты, и пр.')
+    view_listing_keywords: str = 'конференции по питону, встречи сообществ python'
+
+    txt_form_add: str = 'Добавить событие'
+    txt_form_edit: str = 'Изменить событие'
+
+    model: type[RealmBaseModel] = Event
+    form: type[CommonEntityForm] = EventForm
+    icon: str = 'calendar'
+
+
+class VacancyRealm(RealmBase):
+    """Область с вакансиями."""
+
+    allowed_views: tuple[str, ...] = ('listing',)
+    name_plural: str = 'vacancies'
+
+    show_on_main: bool = False
+
+    view_listing_description: str = 'Список вакансий, так или иначе связанных с языком программирования Python.'
+    view_listing_keywords: str = 'вакансии python, работа питон'
+
+    view_listing_base_class: type[RealmView] = VacancyListingView
+
+    model: type[RealmBaseModel] = Vacancy
+    icon: str = 'briefcase'
+    sitemap_enabled: bool = False
+
+
+class ReferenceRealm(RealmBase):
+    """Область со справочниками."""
+
+    allowed_views: tuple[str, ...] = ('listing', 'details', 'add', 'edit')
+
+    txt_form_add: str = 'Дополнить справочник'
+    txt_form_edit: str = 'Редактировать статью'
+
+    view_listing_description: str = 'Справочные и обучающие материалы по языку программирования Python.'
+    view_listing_keywords: str = 'справочник, питон, руководство, обучение, python 3, пайтон'
+
+    view_listing_base_class: type[RealmView] = ReferenceListingView
+    view_details_base_class: type[RealmView] = ReferenceDetailsView
+
+    model: type[RealmBaseModel] = Reference
+    form: type[CommonEntityForm] = ReferenceForm
+    icon: str = 'search'
+
+    @classmethod
+    def build_sitetree(cls, **kwargs):
+        """Строит динамическое дерево справочника под именем `references`."""
+        root_id = object()
+
+        root_item = get_sitetree_root_item()
+        temp_ref_items = {root_id: root_item}
+
+        ref_items = list(cls.model.get_actual().select_related('parent').only(
+            'id', 'parent_id', 'parent__title', 'slug', 'status'
+        ).order_by('parent_id', 'title', 'id'))
+
+        def get_tree_item(ref_item):
+            item_id = getattr(ref_item, 'id', root_id)
+            tree_item = temp_ref_items.get(item_id)
+
+            if not tree_item:
+                tree_item = item(ref_item.title, ref_item.get_absolute_url(), url_as_pattern=False)
+                temp_ref_items[item_id] = tree_item
+
+            return tree_item
+
+        for ref_item in ref_items:
+            parent = get_tree_item(ref_item.parent)
+            child = get_tree_item(ref_item)
+
+            child.parent = parent
+            parent.dynamic_children.append(child)
+
+        register_dynamic_trees(compose_dynamic_tree([tree('references', items=[root_item])]), reset_cache=True)
+
+
+class ArticleRealm(RealmBase):
+    """Область со статьями."""
+
+    txt_form_add: str = 'Добавить статью'
+    txt_form_edit: str = 'Редактировать статью'
+
+    view_listing_description: str = 'Статьи и заметки, связанные с программированием Python и не только.'
+    view_listing_keywords: str = 'статьи про питон, материалы по python'
+
+    model: type[RealmBaseModel] = Article
+    form: type[CommonEntityForm] = ArticleForm
+    icon: str = 'file-o'
+
+
+class PlaceRealm(RealmBase):
+    """Область с географическими объектами (местами)."""
+
+    view_listing_description: str = 'Места, так или иначе связанные с языком программирования Python.'
+    view_listing_keywords: str = 'python в городе, где программируют на питоне'
+
+    view_listing_base_class: type[RealmView] = PlaceListingView
+    view_details_base_class: type[RealmView] = PlaceDetailsView
+
+    model: type[RealmBaseModel] = Place
+    form: type[CommonEntityForm] = VideoForm
+    icon: str = 'globe'
+
+    sitemap_changefreq: str = 'weekly'
+    allowed_views: tuple[str, ...] = ('listing', 'details')
+    show_on_main: bool = False
+    show_on_top: bool = False
+
+
+class DiscussionRealm(RealmBase):
+    """Область обсуждений."""
+
+    txt_form_add: str = 'Создать обсуждение'
+    txt_form_edit: str = 'Редактировать обсуждение'
+
+    view_listing_description: str = 'Обсуждения вопросов, связанных с программированием на Питоне.'
+    view_listing_keywords: str = 'вопросы по питону, обсуждения python, отзывы'
+
+    model: type[RealmBaseModel] = Discussion
+    form: type[CommonEntityForm] = DiscussionForm
+    icon: str = 'comments-o'
+
+    allowed_views: tuple[str, ...] = ('details', 'tags', 'add', 'edit')
+    ready_for_digest: bool = False
+    sitemap_enabled: bool = False
+    syndication_enabled: bool = False
+
+    show_on_main: bool = False
+    show_on_top: bool = False
+
+
+class UserRealm(RealmBase):
+    """Область с пользователями сайта."""
+
+    txt_form_edit: str = 'Изменить настройки'
+
+    view_listing_description: str = 'Список пользователей сайта.'
+    view_listing_keywords: str = 'питонисты, разработчики python, пользователи сайта'
+
+    view_details_base_class: type[RealmView] = UserDetailsView
+    view_edit_base_class: type[RealmView] = UserEditView
+
+    model: type[RealmBaseModel] = User
+    form: type[CommonEntityForm] = UserForm
+    icon: str = 'users'
+
+    sitemap_date_field: str = 'date_joined'
+    sitemap_changefreq: str = 'weekly'
+    allowed_views: tuple[str, ...] = ('details', 'edit')
+    ready_for_digest: bool = False
+    sitemap_enabled: bool = False
+    syndication_enabled: bool = False
+
+    show_on_main: bool = False
+    show_on_top: bool = False
+
+    @classmethod
+    def get_sitetree_details_item(cls) -> TreeItemBase:
+        return item('{{ user.get_display_name }}', 'users:details user.id', in_menu=False, in_sitetree=False)
+
+
+class CategoryRealm(RealmBase):
+    """Область с категориями."""
+
+    view_listing_description: str = 'Карта категорий материалов по языку программирования Python доступных на сайте.'
+    view_listing_keywords: str = 'материалы по питону, python по категориям'
+
+    model: type[RealmBaseModel] = Category
+    icon: str = 'tag'
+    name: str = 'category'
+    name_plural: str = 'categories'
+    allowed_views: tuple[str, ...] = ('listing', 'details')
+    ready_for_digest: bool = False
+    sitemap_enabled: bool = False
+
+    show_on_main: bool = False
+    show_on_top: bool = False
+
+    view_listing_title: str = 'Путеводитель'
+    view_listing_base_class: type[RealmView] = CategoryListingView
+    view_details_base_class: type[RealmView] = CategoryListingView
+
+    SYNDICATION_NAMESPACE: str = 'category_feeds'
+
+    @classmethod
+    def get_sitetree_details_item(cls) -> TreeItemBase:
+        return item(
+            'Категория «{{ category.parent.title }} — {{ category.title }}»', 'categories:details category.id',
+            in_menu=False, in_sitetree=False)
+
+    @classmethod
+    def init(cls):
+        # Включаем прослушивание сигналов, необходимое для функционировая области.
+        tie_model = get_tie_model()
+        # url-синдикации будут обновлены в случае добавления/удаления связи сущности с категорией.
+        signals.post_save.connect(cls.update_syndication_urls, sender=tie_model)
+        signals.post_delete.connect(cls.update_syndication_urls, sender=tie_model)
+
+    @classmethod
+    def get_urls(cls) -> list:
+        urls = super().get_urls()
+        urls += CategoryRealm.get_syndication_urls()
+        return urls
+
+    @classmethod
+    def get_syndication_url(cls) -> str:
+        return 'feed/'
+
+    @classmethod
+    def update_syndication_urls(cls, **kwargs):
+        """Обновляет url-шаблоны синдикации, заменяя старые новыми."""
+
+        target_namespace = cls.SYNDICATION_NAMESPACE
+        linked_category_id_str = f"category_{kwargs['instance'].category_id}"
+        pattern_idx = -1
+
+        resolver = get_resolver(None)
+        urlpatterns = getattr(resolver.urlconf_module, 'urlpatterns', resolver.urlconf_module)
+
+        for idx, pattern in enumerate(urlpatterns):
+
+            if getattr(pattern, 'namespace', '') == target_namespace:
+                pattern_idx = idx
+
+                if linked_category_id_str in pattern.reverse_dict.keys():
+                    # Категория была известна и ранее, перепривязка URL не требуется.
+                    return
+
+                break
+
+        if pattern_idx > -1:
+            del urlpatterns[pattern_idx]
+            urlpatterns += cls.get_syndication_urls()
+
+    @classmethod
+    def get_syndication_urls(cls) -> list:
+        """Возвращает url-шаблоны с привязанными сгенерированными представлениями
+         для потоков синдикации (RSS) с перечислением новых материалов в категориях.
+
+        """
+        feeds = []
+        tie_model = get_tie_model()
+        categories = tie_model.get_linked_objects(by_category=True)
+
+        def get_in_category(category_id):
+            """Возвращает объекты из разных областей в указанной категории."""
+            linked = tie_model.get_linked_objects(filter_kwargs={'category_id': category_id}, id_only=True)
+            result = []
+
+            for model, ids in linked.items():
+                result.extend(model.get_actual().filter(id__in=ids)[:SYNDICATION_ITEMS_LIMIT])
+
+            result = sorted(result, key=attrgetter('time_published'), reverse=True)
+
+            return result[:SYNDICATION_ITEMS_LIMIT]
+
+        for category in categories.keys():
+
+            title = category.title
+            category_id = category.id
+            feed = RealmBase._get_syndication_feed(
+                title=title,
+                description=f'Материалы в категории «{title}». {category.note}',
+                func_link=lambda self: reverse(CategoryRealm.get_details_urlname(), args=[self.category_id]),
+                func_items=lambda self: get_in_category(self.category_id),
+                cls_name=f'Category{category_id}'
+            )
+            feed.category_id = category_id
+
+            feeds.append(
+                re_path(fr'^{category_id}/{SYNDICATION_URL_MARKER}/$', feed, name=f'category_{category_id}'))
+
+        _, realm_name_plural = CategoryRealm.get_names()
+
+        return [re_path(fr'^{realm_name_plural}/', (feeds, realm_name_plural, cls.SYNDICATION_NAMESPACE))]
+
+
+class CommunityRealm(RealmBase):
+    """Область с сообществами."""
+
+    txt_form_add: str = 'Добавить сообщество'
+    txt_form_edit: str = 'Редактировать сообщество'
+
+    view_listing_description: str = 'Сообщества людей интересующихся и занимающихся программированием на Питоне.'
+    view_listing_keywords: str = 'сообщества питонистов, программисты python'
+
+    name: str = 'community'
+    name_plural: str = 'communities'
+    model: type[RealmBaseModel] = Community
+    form: type[CommonEntityForm] = CommunityForm
+    icon: str = 'building-o'
+
+    show_on_main: bool = False
+    show_on_top: bool = False
+
+
+class VersionRealm(RealmBase):
+    """Область с версиями."""
+
+    txt_form_add: str = 'Добавить версию'
+    txt_form_edit: str = 'Редактировать версию'
+
+    view_listing_description: str = 'Вышедшие и будущие выпуски Python.'
+    view_listing_keywords: str = 'версии python, выпуски Питона'
+
+    allowed_views: tuple[str, ...] = ('listing', 'details', 'add', 'edit')
+    view_details_base_class: type[RealmView] = VersionDetailsView
+
+    name: str = 'version'
+    name_plural: str = 'versions'
+    model: type[RealmBaseModel] = Version
+    form: type[CommonEntityForm] = VersionForm
+    icon: str = 'code-fork'
+
+    show_on_top: bool = False
+    show_on_main: bool = False
+
+
+class PepRealm(RealmBase):
+    """Область с предложениями по улучшению."""
+
+    view_listing_description: str = 'Предложения по улучшению Питона (PEP).'
+    view_listing_keywords: str = 'python pep, преложения по улучшению, пепы, пеп'
+
+    view_listing_base_class: type[RealmView] = PepListingView
+
+    allowed_views: tuple[str, ...] = ('listing', 'details')
+
+    name: str = 'pep'
+    name_plural: str = 'peps'
+    model: type[RealmBaseModel] = PEP
+
+    icon: str = 'bell'
+
+    show_on_top: bool = False
+
+
+class PersonRealm(RealmBase):
+    """Область персон."""
+
+    view_listing_description: str = 'Персоны, тем или иным образом связанные с языком Python.'
+    view_listing_keywords: str = 'персоны python, питонисты, разработчики python'
+
+    allowed_views: tuple[str, ...] = ('listing', 'details')
+    view_details_base_class: type[RealmView] = PersonDetailsView
+
+    name: str = 'person'
+    name_plural: str = 'persons'
+    model: type[RealmBaseModel] = Person
+
+    icon: str = 'user'
+
+    show_on_main: bool = False
+    show_on_top: bool = False
+
+    syndication_enabled: bool = False
+    ready_for_digest: bool = False
+
+
+class AppRealm(RealmBase):
+    """Область приложений."""
+
+    txt_form_add: str = 'Добавить приложение'
+    txt_form_edit: str = 'Редактировать приложение'
+
+    view_listing_description: str = 'Приложения на Python.'
+    view_listing_keywords: str = 'программы на python, приложения на питоне'
+
+    name: str = 'app'
+    name_plural: str = 'apps'
+
+    model: type[RealmBaseModel] = App
+    form: type[CommonEntityForm] = AppForm
+
+    icon: str = 'tablet'
+
+    show_on_top: bool = False
+
+
+register_realms(
+    CategoryRealm,
+    ArticleRealm,
+    ReferenceRealm,
+    VideoRealm,
+    BookRealm,
+    VacancyRealm,
+    EventRealm,
+
+    PlaceRealm,
+    DiscussionRealm,
+    CommunityRealm,
+
+    VersionRealm,
+    PepRealm,
+    PersonRealm,
+    AppRealm,
+
+    UserRealm,
+)
diff --git a/pythonz/apps/settings.py b/pythonz/apps/settings.py
new file mode 100644
index 00000000..3d415a81
--- /dev/null
+++ b/pythonz/apps/settings.py
@@ -0,0 +1,30 @@
+"""Файл для siteprefs, чтобы настройки отображались в административном интерфейсе."""
+from django.conf import settings
+
+SOCKS5_PROXY = settings.SOCKS5_PROXY
+
+GOOGLE_API_KEY = settings.GOOGLE_API_KEY
+YANDEX_SEARCH_ID = settings.YANDEX_SEARCH_ID
+
+TELEGRAM_BOT_TOKEN = settings.TELEGRAM_BOT_TOKEN
+TELEGRAM_GROUP = settings.TELEGRAM_GROUP
+
+VK_ACCESS_TOKEN = settings.VK_ACCESS_TOKEN
+VK_GROUP = settings.VK_GROUP
+
+
+if 'siteprefs' in settings.INSTALLED_APPS:
+
+    from siteprefs.toolbox import preferences
+
+    with preferences() as prefs:
+
+        prefs(
+            SOCKS5_PROXY,
+            GOOGLE_API_KEY,
+            YANDEX_SEARCH_ID,
+            TELEGRAM_BOT_TOKEN,
+            TELEGRAM_GROUP,
+            VK_ACCESS_TOKEN,
+            VK_GROUP,
+        )
diff --git a/pythonz/apps/signals.py b/pythonz/apps/signals.py
new file mode 100644
index 00000000..990bd222
--- /dev/null
+++ b/pythonz/apps/signals.py
@@ -0,0 +1,28 @@
+import django.dispatch
+
+sig_entity_new = django.dispatch.Signal()
+"""Сигнализирует о добавлении новой сущности.
+Аргументы: entity
+
+"""
+
+sig_entity_published = django.dispatch.Signal()
+"""Сигнализирует о публикации новой сущности.
+Аргументы: entity
+
+"""
+
+sig_support_changed = django.dispatch.Signal()
+"""Сигнализирует о том, что пользователь проголосовал за материал или отозвал голос."""
+
+sig_integration_failed = django.dispatch.Signal()
+"""Сигнализирует о неисправности в процессах интеграции со внешними сервисами.
+Аргументы: description
+
+"""
+
+sig_send_generic_telegram = django.dispatch.Signal()
+"""Сингал отправки сообщения в Telegram.
+Аргументы: text
+
+"""
diff --git a/pythonz/apps/sitegates.py b/pythonz/apps/sitegates.py
new file mode 100644
index 00000000..db971b07
--- /dev/null
+++ b/pythonz/apps/sitegates.py
@@ -0,0 +1,9 @@
+from django.conf import settings
+from sitegate.signin_flows.remotes.google import Google
+from sitegate.signin_flows.remotes.yandex import Yandex
+from sitegate.utils import register_remotes
+
+register_remotes(
+    Yandex(client_id=settings.SITEGATE_REMOTES['yandex']),
+    Google(client_id=settings.SITEGATE_REMOTES['google']),
+)
diff --git a/apps/sitemessages.py b/pythonz/apps/sitemessages.py
similarity index 52%
rename from apps/sitemessages.py
rename to pythonz/apps/sitemessages.py
index 7cce070d..23c85b9a 100644
--- a/apps/sitemessages.py
+++ b/pythonz/apps/sitemessages.py
@@ -3,53 +3,63 @@
 Конфигурирование производится в settings.py проекта.
 """
 from datetime import datetime, timedelta
-from collections import OrderedDict
 from functools import partial
 
-from sitemessage.utils import register_messenger_objects, register_message_types, override_message_type_for_app
-from sitemessage.messages.email import EmailHtmlMessage
-from sitemessage.messages.plain import PlainTextMessage
-from sitemessage.signals import sig_unsubscribe_failed, sig_unsubscribe_success
 from django.conf import settings
 from django.contrib import messages
+from django.db.models import QuerySet
 from django.utils import timezone
-from django.utils.text import Truncator
+from sitemessage.exceptions import UnknownMessengerError
+from sitemessage.messages.email import EmailHtmlMessage
+from sitemessage.messages.plain import PlainTextMessage
+from sitemessage.signals import sig_unsubscribe_failed, sig_unsubscribe_success
+from sitemessage.utils import override_message_type_for_app, register_message_types, register_messenger_objects
 
-from .realms import get_realms, get_realm
-from .signals import sig_entity_published, sig_entity_new, sig_search_failed, sig_integration_failed
+from .generics.models import CommonEntityModel, RealmBaseModel
+from .generics.realms import RealmBase
+from .realms import get_realm, get_realms
+from .signals import sig_entity_new, sig_entity_published, sig_integration_failed, sig_send_generic_telegram
+from .utils import get_datetime_from_till
 
+Entity = CommonEntityModel | RealmBaseModel
 
-def register_messengers():
-    """Регистрирует средства отсылки сообщений.
 
-    :return:
-    """
+def register_messengers():
+    """Регистрирует средства отсылки сообщений."""
 
     SETTINGS = settings.SITEMESSAGES_SETTINGS
-    SETTINGS_TWITTER = SETTINGS['twitter']
+    SOCKS5_PROXY = settings.SOCKS5_PROXY
+
     SETTINGS_SMTP = SETTINGS['smtp']
+    SETTINGS_TELEGRAM = SETTINGS['telegram']
+    SETTINGS_VK = SETTINGS['vk']
 
     messengers = []
-    if SETTINGS_TWITTER:
-        from sitemessage.messengers.twitter import TwitterMessenger
-        messengers.append(TwitterMessenger(*SETTINGS_TWITTER))
 
     if SETTINGS_SMTP:
         from sitemessage.messengers.smtp import SMTPMessenger
         messengers.append(SMTPMessenger(*SETTINGS_SMTP))
 
+    if SETTINGS_TELEGRAM:
+        from sitemessage.messengers.telegram import TelegramMessenger
+        messengers.append(TelegramMessenger(
+            *SETTINGS_TELEGRAM,
+            proxy={'https': f'socks5://{SOCKS5_PROXY}'} if SOCKS5_PROXY else None
+        ))
+
+    if SETTINGS_VK:
+        from sitemessage.messengers.vkontakte import VKontakteMessenger
+        messengers.append(VKontakteMessenger(*SETTINGS_VK))
+
     if messengers:
         register_messenger_objects(*messengers)
 
+
 register_messengers()
 
 
 def connect_signals():
-    """Подключает обработчики сигналов, связанных с рассылками
-    оповещений.
-
-    :return:
-    """
+    """Подключает обработчики сигналов, связанных с рассылками оповещений."""
 
     def unsubscribe_failed(*args, **kwargs):
         messages.error(kwargs['request'], 'К сожалению, отменить подписку не удалось.', 'danger error')
@@ -63,56 +73,81 @@ def unsubscribe_success(*args, **kwargs):
     notify_handler = lambda sender, **kwargs: PythonzEmailNewEntity.create(kwargs['entity'])
     sig_entity_new.connect(notify_handler, dispatch_uid='cfg_new_entity', weak=False)
 
-    # Поиск без результатов.
-    notify_handler = (
-        lambda sender, **kwargs: PythonzEmailOneliner.create('Поиск без результатов', kwargs['search_term']))
-    sig_search_failed.connect(notify_handler, dispatch_uid='cfg_search_failed', weak=False)
-
     # Ошибка интеграции со сторонними сервисами.
     notify_handler = (
         lambda sender, **kwargs: PythonzEmailOneliner.create('Ошибка интеграции', kwargs['description']))
     sig_integration_failed.connect(notify_handler, dispatch_uid='cfg_integration_failed', weak=False)
 
-    if settings.DEBUG:  # На всякий случай, чем чёрт не шутит.
-        return False
+    # Сообщение в Телеграм.
+    notify_handler = lambda sender, **kwargs: PythonzTelegramMessage.create(kwargs['text'])
+    sig_send_generic_telegram.connect(notify_handler, dispatch_uid='cfg_telegram_generic', weak=False)
+
+    # Материал опубликован.
+    def notify_published(sender, **kwargs):
+
+        entity = kwargs['entity']
+
+        if not entity.notify_on_publish:
+            return False
+
+        try:
+            PythonzTelegramMessage.create_published(entity)
+            PythonzVkontakteMessage.create_published(entity)
+
+        except UnknownMessengerError:
+            # В режиме разработки рассыльные могут быть не сконфигурированы.
+
+            if settings.IN_PRODUCTION:
+                raise
+
+    sig_entity_published.connect(notify_published, dispatch_uid='cfg_entity_published', weak=False)
 
-    notify_handler = lambda sender, **kwargs: PythonzTwitterMessage.create(kwargs['entity'])
-    sig_entity_published.connect(notify_handler, dispatch_uid='cfg_entity_published', weak=False)
 
 connect_signals()
 
 
-class PythonzTwitterMessage(PlainTextMessage):
-    """Базовый класс для сообщений, рассылаемых pythonz в Twitter."""
+class PythonzBaseMessage(PlainTextMessage):
+    """Базовый класс для сообщений о новых материалах."""
+
+    alias: str = None
+    supported_messengers: list[str] = None
+
+    priority: int = 1  # Рассылается ежеминутно.
+    send_retry_limit: int = 5
+    title: str = 'Оповещение'
+    allow_user_subscription: bool = False
 
-    priority = 1  # Рассылается ежеминутно.
-    send_retry_limit = 5
-    supported_messengers = ['twitter']
-    title = 'Новое на сайте'
+
+class PythonzVkontakteMessage(PythonzBaseMessage):
+    """Класс для сообщений о новых материалах на сайте, публикуемых на стене в ВКонтакте."""
+
+    alias: str = 'vk_update'
+    supported_messengers: list[str] = ['vk']
 
     @classmethod
-    def create(cls, entity):
-        """Создаёт оповещение о публикации сущности.
+    def create_published(cls, entity: Entity):
+        message = entity.get_absolute_url(with_prefix=True, utm_source='vk')
+        cls.create(message)
 
-        :param RealmBaseModel entity:
-        :return:
-        """
+    @classmethod
+    def create(cls, message: str):
+        cls(message).schedule(cls.recipients('vk', settings.VK_GROUP))
 
-        if not entity.notify_on_publish:
-            return False
 
-        MAX_LEN = 139  # Максимальная длина твита. Для верности меньше.
-        prefix = 'Новое: %s «' % entity.get_verbose_name()
-        url = entity.get_absolute_url(with_prefix=True, hash_chunk='fromtwee')
+class PythonzTelegramMessage(PythonzBaseMessage):
+    """Класс для сообщений о новых материалах на сайте, рассылаемых pythonz в Telegram."""
 
-        postfix = '» %s' % url
-        if settings.AGRESSIVE_MODE:
-            postfix = '%s #python #dev' % postfix
+    alias: str = 'tele_update'
+    supported_messengers: list[str] = ['telegram']
 
-        title = Truncator(entity.title).chars(MAX_LEN - len(prefix) - len(postfix))
-        message = '%s%s%s' % (prefix, title, postfix)
+    @classmethod
+    def create_published(cls, entity: Entity):
+        message = f'Новое: {entity.get_verbose_name()} «{entity}» {entity.get_absolute_url(with_prefix=True)}'
+        cls.create(message)
 
-        cls(message).schedule(cls.recipients('twitter', ''))
+    @classmethod
+    def create(cls, message: str):
+        cls(message).schedule(cls.recipients('telegram', settings.TELEGRAM_GROUP))
 
 
 class PythonzEmailMessage(EmailHtmlMessage):
@@ -121,50 +156,48 @@ class PythonzEmailMessage(EmailHtmlMessage):
     Этот же класс используется для рассылки писем от sitegate,
 
     """
+    alias: str = 'simple'
+    priority: int = 1  # Рассылается ежеминутно.
+    send_retry_limit: int = 4
+    title: str = 'Базовые оповещения'
+    allow_user_subscription: bool = False
 
-    alias = 'simple'
-    priority = 1  # Рассылается ежеминутно.
-    send_retry_limit = 4
-    title = 'Базовые оповещения'
+    def __init__(self, subject: str, html_or_dict: str | dict, template_path: str = None):
 
-    def __init__(self, subject, html_or_dict, template_path=None):
         if not isinstance(html_or_dict, dict):
             html_or_dict = {'text': html_or_dict.replace('\n', '<br>')}
+
         super().__init__(subject, html_or_dict, template_path=template_path)
 
     @classmethod
-    def get_full_subject(cls, subject):
+    def get_full_subject(cls, subject: str) -> str:
         """Возвращает полный заголовок для электронного письма.
 
         :param subject:
-        :return:
+
         """
-        return 'pythonz.net: %s' % subject
+        return f'pythonz.net: {subject}'
 
     @classmethod
-    def get_admins_emails(cls):
-        """Возвращает адреса электронной почты администраторов проекта.
-
-        :return:
-        """
-        to = []
-        for item in settings.ADMINS:
-            to.append(item[1])  # Адрес электронной почты админа.
-        return to
+    def get_admins_emails(cls) -> list[str]:
+        """Возвращает адреса электронной почты администраторов проекта."""
+        return [item[1] for item in settings.ADMINS]
 
 
 class PythonzEmailOneliner(PythonzEmailMessage):
     """Простое "однострочное" сообщение."""
 
+    group_mark = 'oneline'
+
     @classmethod
-    def create(cls, subject, text):
+    def create(cls, subject: str, text: str):
         """Создаёт оповещение общего вида.
 
         Рассылается администраторам проекта.
 
         :param subject: Заголовок.
         :param text: Текст сообщения.
-        :return:
+
         """
         cls(cls.get_full_subject(subject), text).schedule(cls.recipients('smtp', cls.get_admins_emails()))
 
@@ -172,64 +205,73 @@ def create(cls, subject, text):
 class PythonzEmailNewEntity(PythonzEmailMessage):
     """Оповещение администраторам о добавлении новой сущности."""
 
-    alias = 'new_entity'
-    title = 'Новое на сайте'
+    alias: str = 'new_entity'
+    title: str = 'Новое на сайте'
 
     @classmethod
-    def create(cls, entity):
+    def create(cls, entity: Entity):
         """Создаёт оповещение о создании новой сущности.
 
         Рассылается администраторам проекта.
 
-        :param RealmBaseModel entity:
-        :return:
+        :param entity:
+
         """
         if not entity.notify_on_publish:
             return False
 
-        subject = cls.get_full_subject('Новое - %s' % entity.title)
+        subject = cls.get_full_subject(f'Новое - {entity}')
+
         context = {
-            'entity_title': entity.title,
+            'entity_title': str(entity),
             'entity_url': entity.get_absolute_url()
         }
+
         cls(subject, context).schedule(cls.recipients('smtp', cls.get_admins_emails()))
 
 
 class PythonzEmailDigest(PythonzEmailMessage):
-    """Класс реализующий рассылку с подборкой новых материалов сайта (дайджест)."""
+    """Класс реализующий рассылку с подборкой новых материалов сайта (сводку)."""
 
-    alias = 'digest'
-    priority = 7  # Рассылается раз в семь дней.
-    send_retry_limit = 1  # Нет смысла пытаться повторно неделю спустя.
-    title = 'Еженедельный дайджест'
+    alias: str = 'digest'
+    priority: int = 7  # Рассылается раз в семь дней.
+    send_retry_limit: int = 1  # Нет смысла пытаться повторно неделю спустя.
+    title: str = 'Еженедельная сводка'
+    allow_user_subscription: bool = True
 
     @classmethod
     def create(cls):
-        """Создаёт депеши для рассылки еженедельного дайджеста.
+        """Создаёт депеши для рассылки еженедельной сводки.
 
-        Реальная компиляция дайджеста происходит в compile().
+        Реальная компиляция сводки происходит в compile().
 
-        :return:
         """
         format_date = lambda d: d.date().strftime('%d.%m.%Y')
-        date_till = timezone.now()
-        date_from = date_till - timedelta(days=7)
+        date_from, date_till = get_datetime_from_till(7)
+
+        subject = cls.get_full_subject(f'Подборка материалов {format_date(date_from)}-{format_date(date_till)}')
 
-        subject = cls.get_full_subject('Подборка материалов %s-%s' % (format_date(date_from), format_date(date_till)))
         context = {
             'date_from': date_from.timestamp(),
             'date_till': date_till.timestamp()
         }
+
         cls(subject, context).schedule(cls.get_subscribers())
 
     @classmethod
-    def get_realms_data(cls, date_from, date_till, modified_mode=False):
+    def get_realms_data(
+        cls,
+        date_from: datetime,
+        date_till: datetime,
+        *,
+        modified_mode: bool = False
+    ) -> dict[str, QuerySet]:
         """Возвращает данные о материалах за указанный период.
 
-        :param date date_from: Дата начала периода
-        :param date date_till: Дата завершения периода
-        :param bool modified_mode: Флаг. Следует ли возвращать данные об изменившихся материалах.
-        :return:
+        :param date_from: Дата начала периода
+        :param date_till: Дата завершения периода
+        :param modified_mode: Флаг. Следует ли возвращать данные об изменившихся материалах.
+
         """
         if modified_mode:
             filter_kwargs = {
@@ -244,38 +286,39 @@ def get_realms_data(cls, date_from, date_till, modified_mode=False):
                 'time_published__lte': date_till
             }
 
-        realms_data = OrderedDict()
+        realms_data = {}
+
         for realm in get_realms().values():
             cls.extend_realms_data(realms_data, realm, filter_kwargs, 'time_published')
 
         return realms_data
 
     @classmethod
-    def extend_realms_data(cls, realms_data, realm, filter_kwargs, order_by):
+    def extend_realms_data(cls, realms_data: dict, realm: type[RealmBase], filter_kwargs: dict, order_by: str):
         """Дополняет словарь с данными областей объектами из указанной области.
         Требуемые объекты определяются указанным фильтром.
 
-        :param OrderedDict realms_data: Словарь с данными.
-        :param BaseRealm realm: Область.
-        :param dict filter_kwargs: Фильтр для получения объектов области.
-        :param str order_by: Имя поля, по которому следует отсортировать объекты.
-        :return:
+        :param realms_data: Словарь с данными. Изменяется в ходе исполнения метода.
+        :param realm: Область.
+        :param filter_kwargs: Фильтр для получения объектов области.
+        :param order_by: Имя поля, по которому следует отсортировать объекты.
+
         """
         if realm.ready_for_digest:
-            entries = realm.model.get_actual().filter(**filter_kwargs).order_by(order_by)
-            if entries:
+
+            if entries := realm.model.get_actual().filter(**filter_kwargs).order_by(order_by):
+
                 for entry in entries:
-                    entry.absolute_url = entry.get_absolute_url(with_prefix=True, hash_chunk='frommail')
+                    entry.absolute_url = entry.get_absolute_url(with_prefix=True, utm_source='mail')
+
                 realms_data[realm.model.get_verbose_name_plural()] = entries
 
     @classmethod
-    def get_upcoming_items(cls):
+    def get_upcoming_items(cls) -> dict[str, QuerySet]:
         """Возвращает данные о материалах которые вскоре станут актульными.
         Например, о грядущих событиях.
 
-        :return:
         """
-
         date_from = timezone.now()
         date_till = date_from + timedelta(days=10)  # 10 дней, чтобы покрыть остаток текущей и следующую неделю.
 
@@ -284,7 +327,7 @@ def get_upcoming_items(cls):
             'time_start__lte': date_till
         }
 
-        realms_data = OrderedDict()
+        realms_data = {}
 
         realm = get_realm('event')
         cls.extend_realms_data(realms_data, realm, filter_kwargs, 'time_start')
@@ -292,36 +335,36 @@ def get_upcoming_items(cls):
         return realms_data
 
     @classmethod
-    def get_template_context(cls, context):
+    def get_template_context(cls, context: dict) -> dict:
         """Заполняет шаблон сообщения данными.
 
         :param context:
-        :return:
+
         """
         get_date = partial(datetime.fromtimestamp, tz=timezone.get_current_timezone())
         date_from = get_date(context.get('date_from'))
         date_till = get_date(context.get('date_till'))
 
-        realms_data = OrderedDict()
-        objects_new = cls.get_realms_data(date_from, date_till)
-        if objects_new:
+        realms_data = {}
+
+        if objects_upcoming := cls.get_upcoming_items():
+            realms_data['Скоро'] = objects_upcoming
+
+        if objects_new := cls.get_realms_data(date_from, date_till):
             realms_data['Новые'] = objects_new
 
-        objects_modified = cls.get_realms_data(date_from, date_till, modified_mode=True)
-        if objects_modified:
+        if objects_modified := cls.get_realms_data(date_from, date_till, modified_mode=True):
             realms_data['Изменившиеся'] = objects_modified
 
-        objects_upcoming = cls.get_upcoming_items()
-        if objects_upcoming:
-            realms_data['Скоро'] = objects_upcoming
-
         context.update({'realms_data': realms_data})
+
         return context
 
 
 # Регистрируем наши типы сообщений.
 register_message_types(
-    PythonzTwitterMessage,
+    PythonzTelegramMessage,
+    PythonzVkontakteMessage,
     PythonzEmailMessage,
     PythonzEmailOneliner,
     PythonzEmailNewEntity,
diff --git a/pythonz/apps/static/css/bootstrap.css b/pythonz/apps/static/css/bootstrap.css
new file mode 100644
index 00000000..3098a1b8
--- /dev/null
+++ b/pythonz/apps/static/css/bootstrap.css
@@ -0,0 +1,5 @@
+/*!
+ * Bootstrap v3.3.5 (http://getbootstrap.com)
+ * Copyright 2011-2015 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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\ No newline at end of file
diff --git a/pythonz/apps/static/js/jquery.alphaindex.min.js b/pythonz/apps/static/js/jquery.alphaindex.min.js
new file mode 100644
index 00000000..1a6a1d80
--- /dev/null
+++ b/pythonz/apps/static/js/jquery.alphaindex.min.js
@@ -0,0 +1,7 @@
+/**
+ * jquery-alphaindex
+ * https://github.com/idlesign/jquery-alphaindex
+ *
+ * Distributed under BSD License.
+ */
+!function(a){"use strict";a.fn.makeAlphaIndex=function(b){var c=this,d=a.extend({},a.fn.makeAlphaIndex.defaults,b),e=function(b){var c={};return a.each(a("li",b),function(b,d){var e=a(d),f=e.text().replace(/\s+/g," ").trim(),g=f[0];if(!g)return void e.remove();e.hide(),g=g.toLowerCase();var h=c[g];void 0===h?c[g]=[e]:h.push(e)}),c},f=function(b){if(void 0===b)return void a("li",c).toggle();if("boolean"==typeof b)return void a("li",c).toggle(b);"object"==typeof b&&(b=a(b).data("idxChar"));var d=!1,e=c.alphaIndex,f=e[b];a.each(e,function(c,d){c!==b&&a.each(d,function(a,b){b.hide()})}),f&&a.each(f,function(a,b){b.toggle(),d=b.is(":visible")}),a.each(a("a",c.alphaIndexBar),function(c,e){var f=a(e);f.removeClass("current"),f.data("idxChar")===b&&d&&f.addClass("current")})},g=function(b,c){var e=Object.keys(c).sort(),g=a("<ul>");return b.indexChars=e,b.before(g),a.each(e,function(b,e){var f=a('<a href="#">'+e.toUpperCase()+"</a>");d.showItemsCount&&f.append("<sup>"+c[e].length+"</sup>"),f.data("idxChar",e),g.append(f),f.wrap("<li></li>")}),g.addClass("alpha-index-bar"),a("a",g).on("click",function(a){f(a.target)}),g},h=function(a){if(d.activateFirstIndex){var b=a.indexChars[0];void 0!==b&&f(b)}};c.hide();var i=e(c),j=g(c,i);return c.addClass("alpha-index-list"),c.alphaIndex=i,c.alphaIndexBar=j,c.alphaIndexToggle=f,c.show(),h(c),c},a.fn.makeAlphaIndex.defaults={activateFirstIndex:!0,showItemsCount:!0}}(jQuery);
\ No newline at end of file
diff --git a/pythonz/apps/static/js/pythonz.min.js b/pythonz/apps/static/js/pythonz.min.js
new file mode 100644
index 00000000..342ab002
--- /dev/null
+++ b/pythonz/apps/static/js/pythonz.min.js
@@ -0,0 +1 @@
+var pythonz={bootstrap:function(){"use strict";$(function(){pythonz.makeGeopatterns(),pythonz.markUser(),pythonz.toggleTags(),sitecats.bootstrap(),sitecats.make_cloud("box-tags"),$(".sticky").sticky({topSpacing:80,zIndex:1}),$(".tooltipped").tooltip()})},toggleTags:function(){"use strict";$.each($(".tags_box"),function(t,e){var n=$(e);0===$(".categories_box",n).length&&n.hide()})},makeGeopatterns:function(){"use strict";$.each($("[data-geopattern]"),function(t,e){var n=$(e);n.css("background-image",GeoPattern.generate(n.data("geopattern")+"a").toDataUrl())})},markUser:function(){"use strict";$(".py_user").each(function(t,e){var n=e.innerHTML.replace(/\[u:(\d+):\s*([^\]]+)\s*\]/g,'<a href="https://pythonz.net/users/$1" title="Профиль на pythonz">$2</a>');$(e).html(n)})},activateCommentsTab:function(t){"use strict";setTimeout(function(){var t=0;$.each(["comments_vk"],function(e,n){var a=parseInt($("#"+n+"_cnt").text());a>t&&($('a[href="#'+n+'"]',"#tabs-comments").tab("show"),t=a)})},t)},initEditor:function(t){"use strict";if(t)return new SimpleMDE({element:t,forceSync:!0,indentWithTabs:!1,spellChecker:!1,toolbar:["bold","italic",e("accent","flag","Акцент"),e("quote","quote-left","Цитата"),e("list_ul","list-ul","Маркированный список"),e("table","table","Таблица"),"|","image","link","|",e("note","flag-o","На заметку"),e("warning","exclamation-triangle","Внимание"),e("code","code","Код"),"|",e("gist","github","Gist"),e("podster","headphones","Подкаст с podster.fm"),"|","fullscreen"],insertTexts:{image:[".. image:: ",""],gist:[".. gist:: ",""],note:[".. note:: ",""],warning:[".. warning:: ",""],podster:[".. podster:: ",""],link:["`","<>`_"],accent:["``","``"],table:["\n.. table::\n ","|\n\n\n"],code:["\n.. code::\n","\n\n\n"],quote:["\n```\n","\n```"],list_ul:["\n* ","\n\n"]}});function e(t,e,n){return{name:t,action:function(e){!function(t,e){!function(t,e,n,a){if(!/editor-preview-active/.test(t.getWrapperElement().lastChild.className)){var s,o=n[0],i=n[1],r=t.getCursor("start"),c=t.getCursor("end");a&&(i=i.replace("#url#",a)),e?(o=(s=t.getLine(r.line)).slice(0,r.ch),i=s.slice(r.ch),t.replaceRange(o+i,{line:r.line,ch:0})):(s=t.getSelection(),t.replaceSelection(o+s+i),r.ch+=o.length,r!==c&&(c.ch+=o.length)),t.setSelection(r,c),t.focus()}}(t.codemirror,t.getState()[e],t.options.insertTexts[e])}(e,t)},className:"fa fa-"+e,title:n}}},Reference:{RULE_PYVERSION_ADDED:[/\+py([\w\.]+)/g,'<small><div class="badge badge-info" title="Актуально с версии"><a href="/versions/named/$1/">$1</a></div></small>'],RULE_PYVERSION_REMOVED:[/-py([\w\.]+)/g,'<small><div class="badge badge-danger" title="Устрело в версии"><a href="/versions/named/$1/">$1</a></div></small>'],RULE_LITERAL:[/'([^']+)'/g,'<strong class="cl__green">$1</strong>'],RULE_UNDERMETHOD:[/(__[^\s]+__)/g,"<i>$1</i>"],RULE_EMDASH:[/\s+-\s+/g," &#8212; "],decorateDescription:function(t){"use strict";this.decorateArea(t,[this.RULE_PYVERSION_REMOVED,this.RULE_PYVERSION_ADDED,this.RULE_EMDASH])},decorateFuncResult:function(t){"use strict";this.decorateArea(t,[this.RULE_PYVERSION_REMOVED,this.RULE_PYVERSION_ADDED,this.RULE_EMDASH])},decorateFuncParams:function(t){"use strict";this.decorateArea(t,[[/([^->]+)(\s--)/g,function(t,e,n){return'<span class="fa fa-certificate text-muted"></span> <b>'+(e=e.replace(/([^\s]+)(\s.+)/g,'$1<span class="text-muted">$2</span>'))+"</b>"+n}],[/--/g,":"],this.RULE_PYVERSION_REMOVED,this.RULE_PYVERSION_ADDED,this.RULE_LITERAL,this.RULE_UNDERMETHOD,this.RULE_EMDASH])},decorateArea:function(t,e){"use strict";var n=$("#"+t),a=n.html();void 0!==a&&$.each(e,function(t,e){a=a.replace(e[0],e[1])}),n.html(a)}},Map:function(t,e){"use strict";var n=this,a=$("#"+t),s=e;this.getBoundsForCoords=function(t){return ymaps.util.bounds.getCenterAndZoom(t,[a.width(),a.height()])},this.getPlacemarksFromMapObjects=function(t){var e=[],n=0;return void 0===t&&(t=s),$.each(t,function(t,a){var s=a.coords,o=a.title,i=a.descr,r=a.link;e[n]=new ymaps.Placemark(s,{balloonContentHeader:o,balloonContentBody:i,balloonContentFooter:r,clusterCaption:o,place_id:t},{hideIconOnBalloonOpen:!1,preset:"islands#darkBlueCircleDotIcon"}),n++}),e},this.getClusterer=function(){var t=n.getPlacemarksFromMapObjects(),e=new ymaps.Clusterer({preset:"islands#darkBlueClusterIcons",clusterDisableClickZoom:!0,clusterBalloonPanelMaxMapArea:0,clusterBalloonContentLayoutWidth:250,clusterBalloonContentLayoutHeight:100,clusterBalloonLeftColumnWidth:100});return e.add(t),e},this.initMap=function(){ymaps.ready(function(){var t=n.getClusterer(),e=n.getBoundsForCoords(t.getBounds());$.extend(e,{controls:["zoomControl"]}),new ymaps.Map(a.attr("id"),e).geoObjects.add(t)})},n.initMap()}};pythonz.bootstrap();
diff --git a/pythonz/apps/static_src/pythonz.js b/pythonz/apps/static_src/pythonz.js
new file mode 100644
index 00000000..f1b728ab
--- /dev/null
+++ b/pythonz/apps/static_src/pythonz.js
@@ -0,0 +1,316 @@
+/*globals $ sitecats SimpleMDE ymaps */
+
+var pythonz = {
+
+    bootstrap: function() {
+        "use strict";
+
+        $(function(){
+            pythonz.makeGeopatterns();
+            pythonz.markUser();
+            pythonz.toggleTags();
+
+            sitecats.bootstrap();
+            sitecats.make_cloud('box-tags');
+
+            $('.sticky').sticky({
+                topSpacing: 80,
+                zIndex: 1
+            });
+
+            $('.tooltipped').tooltip();
+        });
+    },
+
+    toggleTags: function () {
+        "use strict";
+        $.each($('.tags_box'), function(idx, el) {
+            var $el = $(el);
+            if ($('.categories_box', $el).length === 0){
+                $el.hide();
+            }
+        });
+    },
+
+    makeGeopatterns: function () {
+        "use strict";
+        $.each($('[data-geopattern]'), function(idx, el) {
+            var $el = $(el);
+            $el.css('background-image', GeoPattern.generate($el.data('geopattern') + 'a').toDataUrl());
+        });
+    },
+
+    markUser: function() {
+        "use strict";
+        $('.py_user').each(function(i, el) {
+            var html = el.innerHTML.replace(/\[u:(\d+):\s*([^\]]+)\s*\]/g, '<a href="https://pythonz.net/users/$1" title="Профиль на pythonz">$2</a>');
+            $(el).html(html);
+        });
+    },
+
+    activateCommentsTab: function(timeout) {
+        "use strict";
+        setTimeout(function(){
+            var maxCount = 0,
+                ids = ['comments_vk'];
+
+            $.each(ids, function(idx, tabId){
+                var count = parseInt($('#' + tabId + '_cnt').text());
+                if (count > maxCount) {
+                    $('a[href="#' + tabId + '"]', '#tabs-comments').tab('show');
+                    maxCount = count;
+                }
+            });
+
+
+        }, timeout);
+    },
+
+    initEditor: function(textareaEl) {
+        "use strict";
+
+        if (!textareaEl) {
+            return;
+        }
+
+        // _replaceSelection() взята из исходников SimpleMDE.
+        // https://github.com/NextStepWebs/simplemde-markdown-editor
+        // После минификации она обфусцируется и далее недоступна.
+
+        function _replaceSelection(cm, active, startEnd, url) {
+            if(/editor-preview-active/.test(cm.getWrapperElement().lastChild.className)) {return;}
+
+            var text;
+            var start = startEnd[0];
+            var end = startEnd[1];
+            var startPoint = cm.getCursor("start");
+            var endPoint = cm.getCursor("end");
+            if(url) {
+                end = end.replace("#url#", url);
+            }
+            if(active) {
+                text = cm.getLine(startPoint.line);
+                start = text.slice(0, startPoint.ch);
+                end = text.slice(startPoint.ch);
+                cm.replaceRange(start + end, {
+                    line: startPoint.line,
+                    ch: 0
+                });
+            } else {
+                text = cm.getSelection();
+                cm.replaceSelection(start + text + end);
+
+                startPoint.ch += start.length;
+                if(startPoint !== endPoint) {
+                    endPoint.ch += start.length;
+                }
+            }
+            cm.setSelection(startPoint, endPoint);
+            cm.focus();
+        }
+
+        function simpleAction(editor, buttonName){
+            _replaceSelection(
+                    editor.codemirror,
+                    editor.getState()[buttonName],
+                    editor.options.insertTexts[buttonName]);
+        }
+
+        function getButton(name, icon, title) {
+            return {
+                name: name,
+                action: function (editor) {simpleAction(editor, name);},
+                className: 'fa fa-' + icon,
+                title: title
+            };
+        }
+
+        return new SimpleMDE({
+            element: textareaEl,
+            forceSync: true,
+            indentWithTabs: false,
+            spellChecker: false,
+            toolbar: [
+                'bold',
+                'italic',
+                getButton('accent', 'flag', 'Акцент'),
+                getButton('quote', 'quote-left', 'Цитата'),
+                getButton('list_ul', 'list-ul', 'Маркированный список'),
+                getButton('table', 'table', 'Таблица'),
+                '|',
+                'image',
+                'link',
+                '|',
+                getButton('note', 'flag-o', 'На заметку'),
+                getButton('warning', 'exclamation-triangle', 'Внимание'),
+                getButton('code', 'code', 'Код'),
+                '|',
+                getButton('gist', 'github', 'Gist'),
+                getButton('podster', 'headphones', 'Подкаст с podster.fm'),
+                '|',
+                'fullscreen'
+            ],
+            insertTexts: {
+                image: ['.. image:: ', ''],
+                gist: ['.. gist:: ', ''],
+                note: ['.. note:: ', ''],
+                warning: ['.. warning:: ', ''],
+                podster: ['.. podster:: ', ''],
+                link: ['`', '<>`_'],
+                accent: ['``', '``'],
+                table: ['\n.. table::\n ', '|\n\n\n'],
+                code: ['\n.. code::\n', '\n\n\n'],
+                quote: ['\n```\n', '\n```'],
+                list_ul: ['\n* ', '\n\n']
+            }
+        });
+
+    },
+
+    Reference: {
+
+        RULE_PYVERSION_ADDED: [
+            /\+py([\w\.]+)/g,
+            '<small><div class="badge badge-info" title="Актуально с версии"><a href="/versions/named/$1/">$1</a></div></small>'],
+
+        RULE_PYVERSION_REMOVED: [
+            /-py([\w\.]+)/g,
+            '<small><div class="badge badge-danger" title="Устрело в версии"><a href="/versions/named/$1/">$1</a></div></small>'],
+
+        RULE_LITERAL: [/'([^']+)'/g, '<strong class="cl__green">$1</strong>'],
+        RULE_UNDERMETHOD: [/(__[^\s]+__)/g, '<i>$1</i>'],
+        RULE_EMDASH: [/\s+-\s+/g, ' &#8212; '],
+
+        decorateDescription: function(areaId) {
+            "use strict";
+            this.decorateArea(areaId,
+                [
+                    this.RULE_PYVERSION_REMOVED,
+                    this.RULE_PYVERSION_ADDED,
+                    this.RULE_EMDASH
+                ]
+            );
+        },
+
+        decorateFuncResult: function(areaId) {
+            "use strict";
+            this.decorateArea(areaId,
+                [
+                    this.RULE_PYVERSION_REMOVED,
+                    this.RULE_PYVERSION_ADDED,
+                    this.RULE_EMDASH
+                ]
+            );
+        },
+
+        decorateFuncParams: function(areaId) {
+            "use strict";
+            var funcProcessArgs = function (matchStr, argName, separator) {
+                    argName = argName.replace(/([^\s]+)(\s.+)/g, '$1<span class="text-muted">$2</span>')
+                    return '<span class="fa fa-certificate text-muted"></span> <b>' + argName + '</b>' + separator;
+                };
+
+            this.decorateArea(areaId,
+                [
+                    [/([^->]+)(\s--)/g, funcProcessArgs],
+                    [/--/g, ':'],
+                    this.RULE_PYVERSION_REMOVED,
+                    this.RULE_PYVERSION_ADDED,
+                    this.RULE_LITERAL,
+                    this.RULE_UNDERMETHOD,
+                    this.RULE_EMDASH
+                ]
+            );
+        },
+
+        decorateArea: function(areaId, rules) {
+            "use strict";
+            var $area = $('#' + areaId),
+                html = $area.html();
+
+            if (html !== undefined) {
+                $.each(rules, function (idx, rule) {
+                    html = html.replace(rule[0], rule[1]);
+                });
+            }
+
+            $area.html(html);
+
+        }
+
+    },
+
+    Map: function (mapElementId, objects) {
+        "use strict";
+        var self = this,
+            _mapEl = $('#' + mapElementId),
+            _mapObjs = objects;
+
+        this.getBoundsForCoords = function(coords) {
+            return ymaps.util.bounds.getCenterAndZoom(coords, [_mapEl.width(), _mapEl.height()])
+        };
+
+        this.getPlacemarksFromMapObjects = function(objects) {
+            var allMarks = [],
+                markIdx = 0;
+
+            if (objects===undefined) {
+                objects = _mapObjs;
+            }
+
+            $.each(objects, function(id, props) {
+                var coords = props.coords,
+                    title = props.title,
+                    descr = props.descr,
+                    link = props.link;
+
+                allMarks[markIdx] = new ymaps.Placemark(coords, {
+                        balloonContentHeader: title,
+                        balloonContentBody: descr,
+                        balloonContentFooter: link,
+                        clusterCaption: title,
+                        place_id: id
+                    }, {
+                        hideIconOnBalloonOpen: false,
+                        preset: 'islands#darkBlueCircleDotIcon'
+                    });
+
+                markIdx++;
+            });
+            return allMarks;
+        };
+
+        this.getClusterer = function() {
+            var objs = self.getPlacemarksFromMapObjects(),
+                clusterer = new ymaps.Clusterer({
+                    preset: 'islands#darkBlueClusterIcons',
+                    clusterDisableClickZoom: true,
+                    clusterBalloonPanelMaxMapArea: 0,
+                    clusterBalloonContentLayoutWidth: 250,
+                    clusterBalloonContentLayoutHeight: 100,
+                    clusterBalloonLeftColumnWidth: 100
+                });
+            clusterer.add(objs);
+            return clusterer;
+        };
+
+        this.initMap = function () {
+            ymaps.ready(function () {
+                var clusterer = self.getClusterer(),
+                    mapState = self.getBoundsForCoords(clusterer.getBounds());
+
+                $.extend(mapState, {
+                    controls: ['zoomControl']
+                });
+
+                var map = new ymaps.Map(_mapEl.attr('id'), mapState);
+                map.geoObjects.add(clusterer);
+            });
+        };
+
+        self.initMap();
+    }
+
+};
+
+pythonz.bootstrap();
diff --git a/data/static_dist/pythonz.less b/pythonz/apps/static_src/pythonz.less
similarity index 54%
rename from data/static_dist/pythonz.less
rename to pythonz/apps/static_src/pythonz.less
index 12abf224..b77927d1 100644
--- a/data/static_dist/pythonz.less
+++ b/pythonz/apps/static_src/pythonz.less
@@ -8,13 +8,14 @@
 @cl__white: #fff;
 @cl__black: #000;
 
+@cl__blue2: #4f90c6;
+
 @gap__max: 40px;
 @gap__mid: 20px;
 @gap__min: 10px;
 @gap__no: 0;
 
 @fnt__brand: Belleza, sans-serif;
-@fnt__headers: 'PT Serif', serif;
 
 //------------------------------------------
 // Helpers.
@@ -43,101 +44,92 @@
   color: @cl__gray;
 }
 
-.pad__t_min {
-  padding-top: @gap__min;
-}
-
-.pad__t_mid {
-  padding-top: @gap__mid;
-}
-
-.marg__t_min {
-  margin-top: @gap__min;
-}
-
-.marg__t_mid {
-  margin-top: @gap__mid;
-}
-
-.marg__t_max {
-  margin-top: @gap__max;
-}
 
-.marg__b_min {
-  margin-bottom: @gap__min;
-}
+//------------------------------------------
+// alphaindex overrides.
 
-.marg__b_mid {
-  margin-bottom: @gap__mid;
+.alpha-index-bar {
+  a.current {
+    text-decoration: underline;
+  }
+  li {
+    display: inline-block;
+    margin-right: @gap__min;
+  }
 }
 
-.marg__b_max {
-  margin-bottom: @gap__max;
+.alpha-index-list {
+  padding-left: @gap__mid;
 }
 
-.marg__l_min {
-  margin-left: @gap__min;
-}
+//------------------------------------------
+// Bootstrap overrides.
 
-.marg__l_mid {
-  margin-left: @gap__mid;
+.container {
+  border-radius: @gap__min;
 }
 
-.marg__r_min {
-  margin-right: @gap__min;
+.breadcrumbs ol {
+  border-radius: @gap__min;
 }
 
-.marg__r_mid {
-  margin-right: @gap__mid;
+.lead {
+  margin-bottom: @gap__mid;
 }
 
-
-//------------------------------------------
-// Bootstrap overrides.
-
 .footer {
-  border-bottom: none;
-  margin-top: @gap__max;
   padding-top: @gap__mid;
-  font-size: 12px;
+  font-size: 14px;
+
+  .menu {
+    padding-left: @gap__no;
+    margin-left: @gap__no;
+  }
   .menu li {
     display: inline-block;
     margin-right: @gap__min;
   }
+  address i, a {
+    color: darken(@cl__white, 20%);
+  }
 
 }
 
-.panel {
-  font-size: 14px;
-  .panel-title {
-    font-size: 16px;
-  }
-  .panel-body {
-    color: lighten(@cl__black, 30%);
-    ul, ol {
-      padding-left: inherit;
-      padding-right: inherit;
-    }
+.page-header {
+  .icon_entity {
+    margin-right: @gap__min;
+  }
+  border-bottom: none;
+  h1 {
+    word-break: break-word;
+    font-size: 1.8em;
+    text-transform: uppercase;
+    .gepattern-mixin;
   }
 }
 
-.page-header {
-  margin-top: 0;
+.header {
+  border-bottom: lighten(@cl__gray, 30%) solid 2px;
 }
 
 .navbar {
   margin-bottom: 0;
   input {
     margin-top: 4px;
-    height: 30px;
-    max-width: 180px;
-    font-size: 15px
+    height: 25px;
+    max-width: 150px;
+    min-width: 150px;
+    font-size: 10px
   }
   .navbar-brand img {
     margin: 5px;
   }
 }
 
+.navbar-brand {
+  padding: 6px 6px 6px @gap__mid;
+}
+
 .control-label {
   font-weight: normal;
   color: darken(@cl__white, 60%);
@@ -148,38 +140,46 @@
   text-decoration: underline;
 }
 
-.breadcrumb {
-  font-size: 12px;
-  padding: 0;
-  margin: 0;
+.well a.btn {
+  text-decoration: none;
+}
+
+.badge-primary a, .badge-info a, .badge-danger a {
+  color: @cl__white !important;
+}
+
+address .fa {
+  vertical-align: middle;
+  color: @cl__black;
+}
+
+address .fa-2x {
+  vertical-align: middle;
+  color: @cl__green;
 }
 
 
 //------------------------------------------
 // Html overrides.
 
-.b-forgetmenot_size_l {
-  height: 28px !important;
+a {
+  color: @cl__blue;
 }
 
-html, body {
-  padding-top: @gap__mid;
+kbd {
+  background-color: @cl__blue2;
 }
 
-header {
-  h1 {
-    font-family: @fnt__brand;
-    font-size: 45px;
-  }
-  a:hover {
-    text-decoration: none;
-  }
+
+code {
+  color: @cl__black !important;
 }
 
-h1, h2, h3, h4, h5, h6 {
-  font-family: @fnt__headers;
+body {
+  background: #efefef;
 }
 
+
 h6 {
   padding-bottom: @gap__min;
   font-weight: bold;
@@ -190,44 +190,50 @@ h6 {
 
 input[type=checkbox] {
   display: inline-block;
-  width: @gap__min;
-  float: right;
+  width: @gap__mid;
+  vertical-align: bottom;
 }
 
 
 //------------------------------------------
 // Custom elements.
 
-#page_controls {
-  width: 100%;
-  text-align: center;
 
-  form {
-    display: inline;
-  }
 
+.b-forgetmenot_size_l {
+  height: 28px !important;
 }
 
-#bar__most_voted {
+#box-topvoted {
   background-color: lighten(@cl__gray, 45%);
   border-radius: 10px;
+
+  .listing-item {
+    min-width: 50px;
+  }
+
+}
+
+.ref-linked {
+  word-spacing: 6px;
 }
 
 //------------------------------------------
 // Custom classes singles.
 
 nav .submenu {
-  border-left: 4px @cl__green solid;
+  border-left: 10px @cl__green solid;
+  border-right: 10px @cl__green solid;
+  li {
+    padding-left: @gap__min;
+    padding-right: @gap__min;
+  }
 }
 
 .body {
   background-color: @cl__white;
-  padding-top: @gap__max;
-  padding-bottom: @gap__max;
-}
-
-.section {
-  .marg__b_max;
+  padding-top: @gap__mid;
+  padding-bottom: @gap__mid;
 }
 
 .mod__has_tooltip {
@@ -236,7 +242,6 @@ nav .submenu {
 
 .icon_entity {
   font-size: @gap__max;
-  margin-right: @gap__mid;
   float: left;
   color: @cl__blue;
 }
@@ -245,12 +250,11 @@ nav .submenu {
   vertical-align: top;
 }
 
-.listing_item.small {
-  min-height: 80px;
-}
 
-.float_panel {
+.panel-float {
   min-width: 250px;
+  max-width: 300px;
+  padding: @gap__min;
 }
 
 .userlist_item {
@@ -284,14 +288,8 @@ nav .submenu {
   }
 }
 
-.vacancies {
-  .label {
-    font-family: Verdana, Arial, helvetica, sans-serif;
-  }
-}
 
-.tags_box {
-  font-family: Verdana, Arial, helvetica, sans-serif;
+#box-tags {
   .big {
      .title {
        font-size: @gap__mid;
@@ -313,7 +311,6 @@ nav .submenu {
   }
   .categories_box {
     margin-bottom: @gap__min;
-    font-size: 14px;
   }
   .btn_remove {
     margin-right: @gap__min;
@@ -346,45 +343,28 @@ nav .submenu {
     padding: 0;
     display: inline;
   }
+  input {
+    font-size: 12px;
+  }
 }
 
 .zen {
   .eng {
     line-height: 1.3em;
-    font-size: @gap__min;
-  }
-  h2 {
-    line-height: 1.2em;
+    color: lighten(@cl__black, 40%);
   }
   .small {
-    font-size: @gap__min;
     text-align: right;
+    color: lighten(@cl__black, 40%);
   }
 }
 
-.features {
-  .features_row {
-    div {
-      min-width: 100px;
-      padding: @gap__min;
-    }
-  }
-  i {
-    color: lighten(@cl__black, 50%);
-    font-size: 28px;
-  }
-  a {
-    color: lighten(@cl__black, 85%);
-  }
-  i:hover, a:hover {
-    color: @cl__blue;
-    text-decoration: none;
-  }
-}
 
-.cover_img {
+.img-cover {
+  text-align: center;
   .icon_entity {
     padding: @gap__mid;
+    margin-right: @gap__min;
     color: lighten(@cl__gray, 20%);
     min-width: 100px;
   }
@@ -401,32 +381,118 @@ nav .submenu {
     opacity: 1;
 }
 
-.listing_item {
-  padding: @gap__min;
-  min-width: 350px;
-  max-width: 350px;
-  min-height: 150px;
-  max-height: 150px;
-  float: left;
-  margin-right: @gap__mid;
-  margin-top: @gap__mid;
-  border-right: 1px solid lighten(@cl__gray, 40%);
+
+.listing-item {
+
+  min-width: 250px;
+
+  .img-thumbnail {
+    margin-right: @gap__min;
+  }
+}
+
+
+#box-index {
+
+  .card{
+    padding: @gap__no @gap__no @gap__no @gap__no;
+    border: none !important;
+  }
+
   img {
-    margin-right: @gap__mid;
-    float: left;
+    border: @gap__no;
   }
-  sup {
-    color: @cl__gray;
+
+  .feature {
+    background-color: lighten(@cl__black, 10%);
   }
-  .rating {
-    position: absolute;
-    margin-left: @gap__min;
+
+  .ruler {
+    height: 3px;
+    background-color: @cl__green;
   }
-  .description {
-    overflow: hidden;
-    .small {
-      margin-top: @gap__min;
-      font-size: @gap__min;
+
+  li {
+    color: @cl__gray;
+  }
+
+  h4 {
+    a {
+      color: lighten(@cl__black, 40%);
     }
+    white-space: nowrap;
+    margin: @gap__no @gap__min @gap__mid @gap__min;
   }
+
+}
+
+.gepattern-mixin() {
+  color: @cl__white;
+  background-color: #888;
+  letter-spacing: 2px;
+  padding: @gap__min;
+}
+
+.subtitle {
+  .gepattern-mixin;
+  display: inline-block;
+  font-size: 1.2em;
+}
+
+
+.ya-share2 {
+  display: inline-block;
+  vertical-align: middle;
+}
+
+.navbar-light .navbar-nav .nav-link{
+    color: #4f4f4f !important;
+}
+
+.navbar-light .navbar-nav .active>.nav-link{
+    color: #4f4f4f !important;
+    font-weight: bold !important;
+}
+
+.dropdown-item{
+    color: #4f4f4f !important;
+}
+
+.breadcrumb-item.active {
+    color:#4f4f4f !important;
+}
+
+#rss{
+    color: #0F446E !important;
+}
+
+.page-item.active .page-link
+{
+    background-color: #0050A7 !important;
+    color: white !important;
+}
+
+.page-link{
+    color: #0050A7 !important;
+}
+
+.badge-success
+{
+    background-color: #155D25 !important;
+}
+
+.badge-info, .badge-primary {
+    background-color: #0E5E6B !important;
+}
+
+.cl__gray {
+    color: #555555;
+}
+
+.pep-href{
+    color: #254D6F !important;
+}
+
+#box-tags .title {
+    color: #555555 !important;
 }
diff --git a/pythonz/apps/templates/_base.html b/pythonz/apps/templates/_base.html
new file mode 100644
index 00000000..907634b9
--- /dev/null
+++ b/pythonz/apps/templates/_base.html
@@ -0,0 +1,144 @@
+{% load sitetree cache etc_misc static %}
+{% get_static_prefix as STATIC_URL %}
+
+<!DOCTYPE html>
+<html lang="ru" prefix="og: https://ogp.me/ns#" class="h-100">
+<head itemscope itemtype="https://schema.org/WebSite">
+    <meta charset="UTF-8">
+    <meta name="language" content="ru" />
+    <meta name="description" content="{% block page_description %}{% sitetree_page_description from "main" %}{% endblock %}">
+    <meta name="keywords" content="{% block page_keywords %}pythonz, сайт про python, материалы по python{% endblock %}">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+
+    {% block meta_og %}{% endblock %}
+
+    <meta property="og:site_name" content="Про Python" />
+
+    {% if item %}{% with url=item.absolute_url_prefixed %}
+    <meta property="og:url" content="{{ url }}" />
+    <link rel="canonical" href="{{ url }}" itemprop="url">
+    {% endwith %}{% endif %}
+
+    {% include "sub/static_base.html" %}
+
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/font-awesome@4.7.0/css/font-awesome.min.css">
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/10.1.0/styles/default.min.css">
+
+    <link href="{{ STATIC_URL }}img/favicon.gif" rel="icon" type="image/gif" />
+
+    {% block head %}
+        {% if realm.syndication_enabled %}
+        <link rel="alternate" type="application/rss+xml" title="RSS" href="{{ realm.get_syndication_url }}" />
+        {% endif %}
+    {% endblock %}
+
+    <title itemprop="name">{% block page_title %}{% sitetree_page_title from "main" %}{% endblock %}</title>
+
+</head>
+<body class="d-flex flex-column h-100">
+    <header>
+    {% block body_start %}{% endblock %}
+    <nav class="header navbar navbar-expand-md sticky-top navbar-light bg-light" itemscope itemtype="https://schema.org/SiteNavigationElement">
+
+            <div class="navbar-header">
+
+                <a class="navbar-brand link-dark" href="/" title="На главную страницу">
+                    <img src="{{ STATIC_URL }}img/favicon.gif" alt="pythonz">
+                </a>
+
+                <button type="button" class="navbar-toggler collapsed" data-toggle="collapse" data-target="#nav_toggable" aria-expanded="false" title="Развернуть меню">
+                    <span class="navbar-toggler-icon"></span>
+                </button>
+
+            </div>
+
+            <div class="collapse navbar-collapse" id="nav_toggable" role="navigation">
+
+                {% sitetree_menu from "main" include "topmenu" template "sitetree/menu_top.html" %}
+
+                {% with template_path="sitetree/menu_top_sub.html" %}
+                    <div class="navbar-nav navbar-left mr-4">
+                    {% if view.name == 'listing' %}
+                        {% sitetree_menu from "main" include "this-children" template template_path %}
+                    {% else %}
+                        {% sitetree_menu from "main" include "this-siblings" template template_path %}
+                    {% endif %}
+                    </div>
+                {% endwith %}
+
+                <div itemscope itemtype="https://schema.org/WebSite">
+                    <meta itemprop="url" content="{% site_url %}"/>
+
+                    <form class="form-inline" action="/search/" method="post" itemprop="potentialAction" itemscope itemtype="https://schema.org/SearchAction">
+                        {% csrf_token %}
+                        <div role="search" class="mr-2">
+                            <meta itemprop="target" content="{% site_url %}/search/?text={search_term}"/>
+                            <input class="form-control" type="search" aria-label="Search" name="text" placeholder="Поиск по справочнику" value="{{ search_term }}" required itemprop="query-input">
+                        </div>
+                    </form>
+
+                </div>
+
+                <ul class="navbar-nav navbar-right">
+                {% if request.user.is_authenticated %}
+                    <li class="nav-item dropdown">
+                        <a href="#" class="nav-link dropdown-toggle" aria-haspopup="true" id="navitem-profile" data-toggle="dropdown">
+                            {{ request.user.get_full_name|default:request.user.username }}
+                        </a>
+                        {% sitetree_menu from "main" include "personal" template "sitetree/menu_dropdown.html" %}
+                    </li>
+                {% else %}
+                    <li class="nav-item"><a href="{% url "login" %}" class="nav-link"><i class="fa fa-fw fa-sign-in"></i>&nbsp;Вход</a></li>
+                {% endif %}
+                </ul>
+
+            </div>
+    </nav>
+    </header>
+
+    <main role="main" class="flex-shrink-0">
+        <div class="body container pt-3 pb-4">
+            {% if messages %}
+            <div id="notices">
+                {% for message in messages %}
+                    <div class="alert alert-{% if message.tags %}{{ message.tags }}{% endif %}" role="alert">{{ message }}</div>
+                {% endfor %}
+            </div>
+            {% endif %}
+
+            {% block page_contents_pre %}{% endblock %}
+            {% block page_contents %}{% endblock %}
+            {% block page_contents_post %}{% endblock %}
+        </div>
+    </main>
+    {% cache 21600 nav_bottom %}
+    <footer class="mt-auto py-3 footer navbar navbar-dark bg-dark" itemscope itemtype="https://schema.org/SiteNavigationElement">
+
+        <div class="col-3 d-none d-md-block">
+            {% sitetree_menu from "about" include "trunk" template "sitetree/menu_footer.html"  %}
+        </div>
+        <div class="col-md-5 col-9 d-none d-md-block">
+            {% sitetree_menu from "main" include "topmenu" template "sitetree/menu_footer.html" %}
+        </div>
+        <div class="col-md-4 col-10 text-right small">
+            <address>
+                <a href="mailto:press@pythonz.net" title="Почта для контактов"><i class="fa fa-fw fa-2x fa-envelope-o"></i></a>
+                <a href="https://github.com/idlesign/pythonz/" title="На GitHub"><i class="fa fa-fw fa-2x fa-github"></i></a>
+                <a href="https://www.youtube.com/user/idlesign" title="На YouTube"><i class="fa fa-fw fa-2x fa-youtube"></i></a>
+                <a href="https://vk.com/pythonz" title="Во ВКонтакте"><i class="fa fa-fw fa-2x fa-vk"></i></a>
+                <a href="https://telegram.me/pythonz" title="В Telegram"><i class="fa fa-fw fa-2x fa-paper-plane"></i></a>
+            </address>
+
+        </div>
+
+    </footer>
+    {% endcache %}
+
+    <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js"></script>
+
+    {% include "sub/static_footer.html" %}
+
+    {% block js_bottom %}{% endblock %}
+
+</body>
+</html>
diff --git a/pythonz/apps/templates/base_details.html b/pythonz/apps/templates/base_details.html
new file mode 100644
index 00000000..4a37424f
--- /dev/null
+++ b/pythonz/apps/templates/base_details.html
@@ -0,0 +1,96 @@
+{% extends "_base.html" %}
+{% load thumbs sitetree siteblocks etc_misc static %}
+{% get_static_prefix as STATIC_URL %}
+
+
+{% block head %}
+    {{ block.super }}
+    {% include "sub/vk_head.html" %}
+    <meta property="yandex_recommendations_title" content="{{ item.title }}"/>
+    <meta property="yandex_recommendations_category" content="{{ realm.model.get_verbose_name }}"/>
+{% endblock %}
+
+{% block page_title %}{{ block.super }} — Про Python{% endblock %}
+
+{% block page_description %}{{ item.get_short_description }}{% endblock %}
+
+{% block page_keywords %}{{ realm.view_listing_keywords }}{% endblock %}
+
+{% block meta_og %}
+    <meta property="og:description" content="{{ item.get_short_description }}" />
+    {% if item.cover %}
+        <meta property="og:image" content="{% site_url %}{% thumbs_get_thumb_url item.cover 180 236 item.realm %}" />
+    {% else %}
+        <meta property="og:image" content="{% site_url %}{{ STATIC_URL }}img/realm_logos/pythonz_{{ item.realm.name_plural }}.png" />
+    {% endif %}
+{% endblock %}
+
+{% block page_contents %}
+    <div class="row">
+        <div class="col-12 col-md-9" itemscope itemtype="https://schema.org/{% block schema_type %}WebPage{% endblock %}">
+
+            {% block breadcrumbs %}
+            {% sitetree_breadcrumbs from "main" template "sitetree/crumbs.html" %}
+            {% endblock %}
+
+            <div>{% include "sub/box_controls.html" %}</div>
+
+            {% block details_author %}
+            <div class="text-muted small bg-white float-right mt-2 mr-2 p-1 rounded">
+                {% include "sub/author_editor.html" %}
+            </div>
+            {% endblock %}
+
+            {% include "sub/title_block.html" with hide_breadcurmbs=1 %}
+
+            {% block details_contents %}{% endblock %}
+            {% block details_description %}<div class="mb-3" itemprop="description">{{ item.description|urlize|linebreaksbr }}</div>{% endblock %}
+            {% block details_contents_add %}{% endblock %}
+
+            {% block details_contents_after %}{% endblock %}
+            {% block details_share %}{% include "sub/box_share.html" %}{% endblock %}
+
+            {% include "sub/linked.html" %}
+
+            {% block details_discussions_pre %}
+                {% include "sub/box_recommend.html" with block_id="247489-6" %}
+            {% endblock %}
+            {% block discussions %}
+                {% if item.has_discussions %}
+                    <div class="mt-4 p-2 clearfix border rounded">
+                        {% include "sub/comments.html" %}
+                    </div>
+                {% endif %}
+            {% endblock %}
+        </div>
+
+        {% block column_right%}
+            <div class="col-12 col-md-3">
+                {% block column_right_contents %}
+                <div class="text-center d-none d-sm-block">
+                    <div class="block mb-3">
+                        {% block cover %}
+                            <div class="img-cover">
+                                {% thumbs_get_thumb_url item.cover 180 236 item.realm as thumb_url %}
+                                {% if thumb_url %}
+                                <img src="{{ thumb_url }}" class="img-thumbnail" alt="{{ item.title }}">
+                                {% else %}
+                                    <i class="img-thumbnail icon_entity fa fa-3x fa-{{ realm.icon }}"></i>
+                                {% endif %}
+                            </div>
+                        {% endblock %}
+                    </div>
+                </div>
+                {% block column_controls %}{% include "sub/column_controls.html" %}{% endblock %}
+                {% endblock %}
+            </div>
+        {% endblock %}
+
+    </div>
+{%  endblock %}
+
+
+{% block js_bottom %}
+{{ block.super }}
+<script>{% include "siteajax/init_csrf.js" %}</script>
+{% endblock %}
diff --git a/pythonz/apps/templates/base_edit.html b/pythonz/apps/templates/base_edit.html
new file mode 100644
index 00000000..14b3cd88
--- /dev/null
+++ b/pythonz/apps/templates/base_edit.html
@@ -0,0 +1,41 @@
+{% extends "_base.html" %}
+{% load thumbs sitecats %}
+
+{% block head %}
+    {{ form.media }}
+
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/simplemde/latest/simplemde.min.css">
+    <script src="https://cdn.jsdelivr.net/simplemde/latest/simplemde.min.js"></script>
+
+{% endblock %}
+
+{% block page_contents %}
+
+    {% include "sub/title_block.html" %}
+
+    <div class="card border-danger mb-3">
+        <div class="card-header">К сведению</div>
+        <div class="card-body">
+            {% block hint %}{% endblock %}
+        </div>
+    </div>
+
+    {% block right_bar %}{% endblock %}
+
+    {% block form %}
+        <div>{{ form }}</div>
+    {% endblock %}
+
+    {% block categories_editor %}
+        {% include "sub/box_tags.html" %}
+    {% endblock %}
+
+{%  endblock %}
+
+{% block js_bottom %}
+{{ block.super }}
+<script type="text/javascript">
+    pythonz.initEditor($('textarea', '#rst_src')[0]);
+</script>
+<script>{% include "siteajax/init_csrf.js" %}</script>
+{% endblock %}
diff --git a/pythonz/apps/templates/base_list_item.html b/pythonz/apps/templates/base_list_item.html
new file mode 100644
index 00000000..d8018f81
--- /dev/null
+++ b/pythonz/apps/templates/base_list_item.html
@@ -0,0 +1,18 @@
+<div class="listing-item card mb-3">
+    <div class="card-body">
+        {% block cover %}<a href="{{ item.get_absolute_url }}">{% include "sub/item_cover.html" %}</a>{% endblock %}
+        <div class="card-title">
+            {% if item.title|length > 58 %}
+            <a href="{{ item.get_absolute_url }}" title="{{ item.title }}">{{ item.title|truncatechars:58 }}</a>
+            {% else %}
+            <a href="{{ item.get_absolute_url }}">{{ item.title|truncatechars:58 }}</a>
+            {% endif %}
+        </div>
+        {% block info %}{% endblock %}
+    </div>
+    <div class="card-footer small">
+        {% block bottom %}
+            {% include "sub/item_info.html" with show_date=1 %}
+        {% endblock %}
+    </div>
+</div>
\ No newline at end of file
diff --git a/pythonz/apps/templates/base_list_items.html b/pythonz/apps/templates/base_list_items.html
new file mode 100644
index 00000000..fc9cb2d6
--- /dev/null
+++ b/pythonz/apps/templates/base_list_items.html
@@ -0,0 +1,7 @@
+{% load thumbs etc_misc %}
+
+<div {% if not nodecks %}class="card-deck"{% endif %}>
+{% for item in items %}
+    {% include_ "realms/{{ realm.name_plural }}/list_item.html" fallback "base_list_item.html" %}
+{% endfor %}
+</div>
\ No newline at end of file
diff --git a/pythonz/apps/templates/base_listing.html b/pythonz/apps/templates/base_listing.html
new file mode 100644
index 00000000..7fae072c
--- /dev/null
+++ b/pythonz/apps/templates/base_listing.html
@@ -0,0 +1,103 @@
+{% extends "_base.html" %}
+{% load cache etc_misc %}
+
+
+{% block head %}
+    {{ block.super }}
+    <meta property="yandex_recommendations_kill" content="1"/>
+{% endblock %}
+
+{% block page_keywords %}{{ realm.view_listing_keywords }}{% if category %}, {{ category.title }}{% endif %}{% endblock %}
+
+{% block page_description %}{{ realm.view_listing_description }}{% if category %} по теме {{ category.title }}, {{ category.note|truncatechars:80 }}{% endif %}{% endblock %}
+
+{% block page_title %}{{ block.super }} про Python{% endblock %}
+
+{% block page_contents_pre %}
+
+    <div class="row">
+        <div class="col-12">
+            {% include "sub/title_block.html" %}
+
+        {% block promo %}
+            {% if category.note %}
+                <blockquote>{{ category.note|urlize }}</blockquote>
+            {% endif %}
+        {% endblock %}
+
+        </div>
+    </div>
+
+    <div class="row">
+        <div class="col-8">
+            {% include "sub/paginator.html" with paginator=items %}
+{%  endblock %}
+
+{% block page_contents %}
+    {% include_ "realms/{{ realm.name_plural }}/list_items.html" fallback "base_list_items.html" %}
+{%  endblock %}
+
+{% block page_contents_post %}
+            {% include "sub/paginator.html" with paginator=items %}
+
+            {% cache 3600 realmname realm.name %}
+                {% with categories=get_categories %}
+                {% if not category and categories%}
+                    <div class="mb-2 mt-2">
+                    <span class="small">
+                        А ещё у нас есть для вас {{ realm.model.get_verbose_name_plural|lower }} в следующих категориях:
+                    </span>
+                    {% for cat in categories %}
+                        <a href="{{ cat.note }}" class="mr-1 small">{{ cat.title }}</a>
+                    {% endfor %}&hellip;
+                    </div>
+                {% endif %}
+                {% endwith %}
+            {% endcache %}
+
+        </div>
+
+        <div class="col-4 d-none d-md-block">
+
+            {% block ad_rightbar %}
+            <div class="col-12 mb-4">
+                {% include "sub/box_ads.html" with area="rightbar" %}
+            </div>
+            <div class="clearfix"></div>
+            {% endblock %}
+
+            <div id="box-topvoted" class="p-2">
+                {% block bar_right %}
+                <div>
+                    <h2>
+                        Лучшие
+                        <sup class="small tooltipped" title="По мнению пользователей сайта">
+                            <i class="fa fa-question-circle"></i>
+                        </sup>
+                    </h2><hr>
+                </div>
+
+                <div class="mb-3">
+                    {% block most_voted %}
+                        {% if items_most_voted %}
+                            {% include_ "realms/{{ realm.name_plural }}/list_items.html" fallback "base_list_items.html" with items=items_most_voted nofade=1 nodecks=1 %}
+                        {% else %}
+                            Пока этот список не сформирован. Оцените материалы раздела, чтобы исправить ситуацию.
+                        {% endif %}
+                    {% endblock %}
+                    <div class="clearfix"></div>
+                </div>
+                {% endblock %}
+            </div>
+            <div class="clearfix"></div>
+
+            <div class="mt-3">
+            {% block bar_right_after %}
+                <hr>
+                {% include "sub/hint.html" %}
+            {% endblock %}
+            </div>
+        </div>
+    </div>
+
+{%  endblock %}
diff --git a/pythonz/apps/templates/index.html b/pythonz/apps/templates/index.html
new file mode 100644
index 00000000..95463fe8
--- /dev/null
+++ b/pythonz/apps/templates/index.html
@@ -0,0 +1,42 @@
+{% extends "_base.html" %}
+{% load etc_misc %}
+
+{% block head %}
+    {{ block.super }}
+    <meta property="yandex_recommendations_kill" content="1"/>
+{% endblock %}
+
+{% block page_title %}Про язык Python: справочник, видео, статьи, книги, работа и прочее{% endblock %}
+
+
+{% block page_contents %}
+
+    <div class="row">
+        <div class="col">
+            <h1 class="text-uppercase">Про Python</h1>
+        </div>
+        <div class="col text-right">
+            <ul class="list-inline list-unstyled">
+                <li class="list-inline-item"><a href="/promo/">Что такое Python</a></li>
+                <li class="list-inline-item"><a href="/about/">Что это за сайт</a></li>
+            </ul>
+        </div>
+    </div>
+    <div class="row">
+        <div class="col">
+            {% include "sub/search_bar.html" %}
+        </div>
+    </div>
+    <div class="row">
+        <div class="col mt-2">
+            {% include "sub/box_ads.html" with area="maintop"%}
+        </div>
+    </div>
+
+    <div class="row mt-4 no-gutters justify-content-around" id="box-index">
+    {% for realm_data in realms_data %}
+        {% include_ "realms/{{ realm_data.cls.name_plural }}/index_card.html" fallback "sub/realm_card.html" %}
+    {% endfor %}
+    </div>
+
+{%  endblock %}
diff --git a/pythonz/apps/templates/realms/apps/details.html b/pythonz/apps/templates/realms/apps/details.html
new file mode 100644
index 00000000..71866130
--- /dev/null
+++ b/pythonz/apps/templates/realms/apps/details.html
@@ -0,0 +1,68 @@
+{% extends "base_details.html" %}
+{% load model_field %}
+
+{% block head %}
+    {{ block.super }}
+    {% include "sub/plotly.html" %}
+{% endblock %}
+
+{% block page_title %}{{ app.title }} на Python{% endblock %}
+
+{% block page_keywords %}{{ block.super }}, python {{ app.title }}{% endblock %}
+
+{% block meta_og %}
+    <meta property="og:type" content="object" />
+    <meta property="og:title" content="{{ app.title }}" />
+    {{ block.super }}
+{% endblock %}
+
+
+{% block schema_type %}SoftwareApplication{% endblock %}
+
+{% block details_contents %}
+    <meta itemprop="name" content="{{ app.title }}" />
+{% endblock %}
+
+{% block details_description %}
+    <div class="mb-3" itemprop="description"><i>{{ item.description }}</i></div>
+{% endblock %}
+
+{% block details_contents_add %}
+    {% if app.slug %}
+    <div class="mb-3">
+        <a href="https://pypi.org/project/{{ app.slug }}/" rel="nofollow">
+            <img src="https://img.shields.io/pypi/v/{{ app.slug }}?style=for-the-badge&labelColor=ddd&label=версия" alt="PyPI Страница приложения">
+        </a>
+
+        <a href="https://packaging.python.org/guides/analyzing-pypi-package-downloads/#background" rel="nofollow">
+            <img src="https://img.shields.io/pypi/dm/{{ app.slug }}?style=for-the-badge&labelColor=ddd&label=загрузки" alt="PyPI Загрузок за месяц">
+        </a>
+
+        {% with gh_ident=app.github_ident %}{% if gh_ident %}
+        <a href="https://github.com/{{ gh_ident }}" rel="nofollow">
+            <img src="https://img.shields.io/github/stars/{{ gh_ident }}?style=for-the-badge&labelColor=ddd&label=звёзды" alt="Звёзды">
+        </a>
+        {% endif %}{% endwith %}
+
+    </div>
+    {% endif %}
+    <div class="text-muted mb-3">
+        {% if app.repo %}
+        <span class="mr-3">
+            {% model_field_verbose_name from app.repo %}: <a href="{{ app.repo }}" rel="nofollow">{{ app.repo }}</a>
+        </span>
+        {% endif %}
+        <span class="mr-3">
+            {% model_field_verbose_name from app.author %}: {% include "sub/persons_links.html" with persons=app.authors.all %}
+        </span>
+    </div>
+    <div class="clearfix"></div>
+
+    <div class="py_user mb-3 card">
+        <div class="card-body">{{ app.text|safe }}</div>
+    </div>
+
+    {% if app.downloads %}
+        {% include "realms/apps/downloads.html" with downloads_map=app.downloads_map %}
+    {% endif %}
+{% endblock %}
diff --git a/pythonz/apps/templates/realms/apps/downloads.html b/pythonz/apps/templates/realms/apps/downloads.html
new file mode 100644
index 00000000..40b4c290
--- /dev/null
+++ b/pythonz/apps/templates/realms/apps/downloads.html
@@ -0,0 +1,37 @@
+
+<div class="mt-2 mb-2">
+    <div id="downloads"></div>
+    <script>
+        let data = [];
+
+        {% for app, downloads in downloads_map.items %}
+        data.push({
+            x: ['{{ downloads.keys|join:"', '" }}'],
+            y: [{{ downloads.values|join:", " }}],
+            name: '{{ app }}',
+            type: 'bar'
+        })
+        {% endfor %}
+
+        Plotly.plot('downloads', {
+
+            data: data,
+
+            layout: {
+                title: 'Загрузки (pypistats.org)',
+                barmode: 'stack',
+                height: 300,
+                margin: {l: 30, r: 30, b: 35, t: 50, pad: 4},
+                hovermode: 'closest',
+                legend: {'orientation': 'h'}
+            },
+
+            config: {
+                {% include "sub/plotly_config.html" %}
+            }
+
+        });
+
+    </script>
+</div>
+
diff --git a/pythonz/apps/templates/realms/apps/edit.html b/pythonz/apps/templates/realms/apps/edit.html
new file mode 100644
index 00000000..67cb7936
--- /dev/null
+++ b/pythonz/apps/templates/realms/apps/edit.html
@@ -0,0 +1,9 @@
+{% extends "base_edit.html" %}
+
+
+{% block hint %}
+    <ol>
+        <li>Приложение должно быть свободно распространяемым;</li>
+        <li>Исходный код приложения должен быть открыт.</li>
+    </ol>
+{%  endblock %}
diff --git a/pythonz/apps/templates/realms/apps/list_item.html b/pythonz/apps/templates/realms/apps/list_item.html
new file mode 100644
index 00000000..b5e89dde
--- /dev/null
+++ b/pythonz/apps/templates/realms/apps/list_item.html
@@ -0,0 +1,5 @@
+{% extends "base_list_item.html" %}
+
+{% block bottom %}
+    {% include "sub/item_info.html" with show_date=0 show_user=0 %}
+{% endblock %}
diff --git a/pythonz/apps/templates/realms/apps/listing.html b/pythonz/apps/templates/realms/apps/listing.html
new file mode 100644
index 00000000..2022576a
--- /dev/null
+++ b/pythonz/apps/templates/realms/apps/listing.html
@@ -0,0 +1,3 @@
+{% extends "base_listing.html" %}
+
+{% block page_title %}Приложения, написанные на Python{% endblock %}
diff --git a/pythonz/apps/templates/realms/articles/details.html b/pythonz/apps/templates/realms/articles/details.html
new file mode 100644
index 00000000..92de8d3d
--- /dev/null
+++ b/pythonz/apps/templates/realms/articles/details.html
@@ -0,0 +1,55 @@
+{% extends "base_details.html" %}
+{% load gravatar model_meta sitetree static %}
+{% get_static_prefix as STATIC_URL %}
+
+{% block head %}
+    {% if article.nofollow %}<meta name="robots" content="noindex,nofollow" />{% endif %}
+    {{ block.super }}
+    {% include "sub/vk_head.html" %}
+{% endblock %}
+
+{% block meta_og %}
+    <meta property="og:type" content="article" />
+    <meta property="og:title" content="{{ article.title }}" />
+    {% if article.published_by_author %}
+    <meta property="og:author" content="{{ article.submitter }}" />
+    {% endif %}
+    {{ block.super }}
+{% endblock %}
+
+{% block schema_type %}Article{% endblock %}
+
+{% block details_contents %}
+    <meta itemprop="headline" content="{{ article.title }}" />
+    <meta itemprop="datePublished" content="{{ article.time_published|date:"c" }}" />
+    <meta itemprop="image" content="{{ STATIC_URL }}img/realm_logos/pythonz_articles.png" />
+{% endblock %}
+
+{% block details_description %}<div class="mb-3 lead" itemprop="description">{{ item.description|linebreaksbr }}</div>{% endblock %}
+
+{% block details_contents_add %}
+    <div class="py_user">{{ article.text|safe }}</div>
+
+    {% if not article.is_handmade and article.url %}
+        <div class="mt-3">
+            <i class="cl__gray fa fa-copyright"></i>
+            <i>С полным текстом статьи можно ознакомиться здесь: <a href="{{ article.get_utm_url }}" rel="nofollow">{{ article.title }}</a></i>
+        </div>
+    {% endif %}
+{% endblock %}
+
+{% block cover %}
+    {% if article.published_by_author %}
+
+    <div class="card text-center"><div class="card-body">
+        {% with article.submitter.get_absolute_url as submitter_url %}
+        <a href="{{ submitter_url }}">{% gravatar_get_img article.submitter 64 %}</a><br>
+        <small><a href="{{ submitter_url }}">{{ article.submitter.get_display_name }}</a></small>
+        {% endwith %}
+    </div></div>
+
+    {% else %}
+        {{ block.super }}
+    {% endif %}
+
+{% endblock %}
diff --git a/apps/templates/realms/articles/edit.html b/pythonz/apps/templates/realms/articles/edit.html
similarity index 57%
rename from apps/templates/realms/articles/edit.html
rename to pythonz/apps/templates/realms/articles/edit.html
index dadea035..ead1c69e 100644
--- a/apps/templates/realms/articles/edit.html
+++ b/pythonz/apps/templates/realms/articles/edit.html
@@ -5,33 +5,35 @@
     {{ block.super }}
     <script type="text/javascript">
 
-        function toggle_form_fields() {
-            var is_external = $('#id_location').val() === '2',
-                fields_for_external = ['url'],
-                common_fields = ['location', 'status', 'published_by_author'];
+        function toggleFormFields() {
+            var isExternal = $('#edit_form_location').val() === '2',
+                fieldsForExternal = ['url'],
+                commonFields = ['location', 'status', 'published_by_author'];
 
-            $('.form-group', '#edit_form').each(function(idx, el){
+            $('.form-control', '#edit_form').each(function(idx, el){
 
                 var $el = $(el),
-                    name = $el.data('fieldname'),
-                    in_array = $.inArray(name, fields_for_external) > -1,
-                    show = (is_external && in_array) || (!is_external && !in_array);
+                    name = $el.attr('name'),
+                    in_array = $.inArray(name, fieldsForExternal) > -1,
+                    show = (isExternal && in_array) || (!isExternal && !in_array);
 
-                if ($.inArray(name, common_fields) > -1) {
+                if ($.inArray(name, commonFields) > -1) {
                     return;
                 }
 
-                $el.hide();
+                var $parent = $el.parent('.form-group');
+
+                $parent.hide();
                 if (show) {
-                    $el.show();
+                    $parent.show();
                 }
 
             });
         }
 
         $(function(){
-            $('#id_location').on('change', toggle_form_fields);
-            toggle_form_fields();
+            $('#edit_form_location').on('change', toggleFormFields);
+            toggleFormFields();
         });
     </script>
 {% endblock %}
@@ -46,4 +48,4 @@
         <li>Не принебрегайте орфографией и синтаксисом;</li>
         <li>Жгите!</li>
     </ol>
-{%  endblock %}
\ No newline at end of file
+{%  endblock %}
diff --git a/pythonz/apps/templates/realms/books/details.html b/pythonz/apps/templates/realms/books/details.html
new file mode 100644
index 00000000..aa07c944
--- /dev/null
+++ b/pythonz/apps/templates/realms/books/details.html
@@ -0,0 +1,66 @@
+{% extends "base_details.html" %}
+{% load goodreads model_field %}
+
+
+{% block page_keywords %}{{ block.super }}, {{ book.title }} книга, {{ book.title }} купить{% endblock %}
+
+
+{% block meta_og %}
+    <meta property="og:type" content="book" />
+    <meta property="og:title" content="{{ book.title }}" />
+    <meta property="og:author" content="{{ book.author }}" />
+    <meta property="og:release_date" content="{{ book.year }}" />
+    <meta property="og:isbn" content="{{ book.isbn|default:book.isbn_ebook }}" />
+    {{ block.super }}
+{% endblock %}
+
+
+{% block schema_type %}Book{% endblock %}
+
+
+{% block details_contents %}
+    <div class="mb-3 text-muted">
+        <small>
+            <span class="mr-3">
+                {% model_field_verbose_name from book.author %}: {% include "sub/persons_links.html" with persons=book.authors.all %}
+            </span>
+            <span class="mr-3">{% model_field_verbose_name from book.year %}: {{ book.year }}</span>
+            {% if book.isbn or book.isbn_ebook %}
+                <span>
+                    {% if book.isbn %}
+                        <span class="mr-3">
+                        {% model_field_verbose_name from book.isbn %}: <span itemprop="isbn">{% goodreads_get_search_tag book.isbn %}</span>
+                        </span>
+                    {% endif %}
+                    {% if book.isbn_ebook %}
+                        <span class="mr-3">
+                            {% model_field_verbose_name from book.isbn_ebook %}: <span itemprop="isbn">{% goodreads_get_search_tag book.isbn_ebook %}</span>
+                        </span>
+                    {% endif %}
+                </span>
+            {% endif %}
+            {%  if book.translator %}
+                <span class="py_user">{% model_field_verbose_name from book.translator %}: {{ book.translator }}</span>
+            {% endif %}
+        </small>
+    </div>
+{%  endblock %}
+
+
+{% block details_discussions_pre %}
+    {{ block.super }}
+    <div class="mt-3">
+        <hr>
+        <h4><i class="fa fa-shopping-cart"></i> &nbsp;Книга в интернет-магазинах</h4>
+        <div id="list-partner-links" hx-get hx-trigger="load">
+
+            <div class="progress" style="height: 20px;">
+                <div class="progress-bar progress-bar-striped progress-bar-animated" role="progressbar" style="width: 100%; padding: 4px" aria-valuenow="10" aria-valuemin="0" aria-valuemax="100">
+                    Пока вы осматриваетесь, мы пытаемся отыскать для вас эту книгу на полках интернет-магазинов &hellip;
+                </div>
+            </div>
+
+        </div>
+    </div>
+
+{% endblock %}
diff --git a/apps/templates/realms/books/edit.html b/pythonz/apps/templates/realms/books/edit.html
similarity index 100%
rename from apps/templates/realms/books/edit.html
rename to pythonz/apps/templates/realms/books/edit.html
diff --git a/pythonz/apps/templates/realms/books/index_card.html b/pythonz/apps/templates/realms/books/index_card.html
new file mode 100644
index 00000000..6138e56a
--- /dev/null
+++ b/pythonz/apps/templates/realms/books/index_card.html
@@ -0,0 +1 @@
+{% extends "sub/realm_card_main.html" %}
diff --git a/pythonz/apps/templates/realms/books/list_item.html b/pythonz/apps/templates/realms/books/list_item.html
new file mode 100644
index 00000000..d61450b4
--- /dev/null
+++ b/pythonz/apps/templates/realms/books/list_item.html
@@ -0,0 +1,5 @@
+{% extends "base_list_item.html" %}
+
+{% block bottom %}
+    {% include "sub/item_info.html" with show_date=0 %}
+{% endblock %}
diff --git a/apps/templates/realms/books/partner_links.html b/pythonz/apps/templates/realms/books/partner_links.html
similarity index 84%
rename from apps/templates/realms/books/partner_links.html
rename to pythonz/apps/templates/realms/books/partner_links.html
index 27dfb839..6f9687a3 100644
--- a/apps/templates/realms/books/partner_links.html
+++ b/pythonz/apps/templates/realms/books/partner_links.html
@@ -5,9 +5,9 @@
             <tr>
                 <td>
                     {% if link.icon_url %}
-                        <img src="{{ link.icon_url }}" width="16" height="16">&nbsp;
+                        <img src="{{ link.icon_url }}" width="16" height="16" alt="{{ link.title }}">&nbsp;
                     {% endif %}
-                    <a href="{{ link.url }}">{{ link.title }}</a>
+                    <a href="{{ link.url }}" rel="nofollow">{{ link.title }}</a>
                 </td>
                 <td>{{ link.price }}</td>
             </tr>
@@ -21,6 +21,8 @@
     <div class="clearfix"></div>
 
 {% else %}
+    <div class="ml-4">
     К сожалению отыскать для вас эту книгу на полках интернет-магазинов нам не удалось.<br>
     Если вам известно, где её нужно искать, поделитесь этим с нами.
-{% endif %}
\ No newline at end of file
+    </div>
+{% endif %}
diff --git a/pythonz/apps/templates/realms/categories/_base.html b/pythonz/apps/templates/realms/categories/_base.html
new file mode 100644
index 00000000..983e0f67
--- /dev/null
+++ b/pythonz/apps/templates/realms/categories/_base.html
@@ -0,0 +1,34 @@
+{% extends "_base.html" %}
+
+{% block page_title %}Материалы про Python, разбитые по категориям{% endblock %}
+
+{% block page_contents %}
+    <div class="row">
+        <div class="col-md-12">
+            {% include "sub/title_block.html" %}
+        </div>
+    </div>
+
+    <div class="row">
+        <div class="col-md-8 container-fluid">
+            {% block workarea %}{% endblock %}
+
+            {% include "sub/box_recommend.html" with block_id="247489-6" %}
+        </div>
+
+        <div class="col-4 container-fluid">
+
+            <div class="mt-3 mb-4">
+                {% include "sub/hint.html" %}
+            </div>
+
+            {% block ad_rightbar %}
+            <div class="col-md-12 mb-3">
+                {% include "sub/box_ads.html" with area="rightbar" %}
+            </div>
+            <div class="clearfix"></div>
+            {% endblock %}
+
+        </div>
+    </div>
+{%  endblock %}
diff --git a/pythonz/apps/templates/realms/categories/details.html b/pythonz/apps/templates/realms/categories/details.html
new file mode 100644
index 00000000..c8910b65
--- /dev/null
+++ b/pythonz/apps/templates/realms/categories/details.html
@@ -0,0 +1,24 @@
+{% extends "realms/categories/_base.html" %}
+{% load sitecats cache %}
+
+{% block page_title %}Материалы про {{ item.title }}{% endblock %}
+{% block page_description %}Здесь перечислены материалы в категории «{{ item.title }}», связанные с Python. {{ item.note|truncatechars:80 }}{% endblock %}
+
+
+{% block page_keywords %}{{ block.super }}, {{ item.title }}{% endblock %}
+
+
+{% block workarea %}
+    {% if item.note %}
+        <blockquote>{{ item.note|urlize }}</blockquote>
+    {% endif %}
+
+    {% cache 3600 category_materials item.pk %}
+        {% if realms_links %}
+            {% include "sub/realms_links_tabs.html" %}
+        {% else %}
+            Пока нет материалов связанных с этой категорией.
+        {% endif %}
+    {% endcache %}
+
+{% endblock %}
diff --git a/pythonz/apps/templates/realms/categories/listing.html b/pythonz/apps/templates/realms/categories/listing.html
new file mode 100644
index 00000000..80f00cd9
--- /dev/null
+++ b/pythonz/apps/templates/realms/categories/listing.html
@@ -0,0 +1,11 @@
+{% extends "realms/categories/_base.html" %}
+{% load sitecats model_meta %}
+
+
+{% block workarea %}
+    <div class="col-md-12" id="box-tags">
+        <div class="big mt-4">
+            {% sitecats_categories from item %}
+        </div>
+    </div>
+{% endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/communities/details.html b/pythonz/apps/templates/realms/communities/details.html
similarity index 57%
rename from apps/templates/realms/communities/details.html
rename to pythonz/apps/templates/realms/communities/details.html
index ba1898e0..1af93b82 100644
--- a/apps/templates/realms/communities/details.html
+++ b/pythonz/apps/templates/realms/communities/details.html
@@ -1,6 +1,9 @@
 {% extends "base_details.html" %}
 {% load model_field %}
 
+{% block page_title %}Сообщество {{ community.title }}{% endblock %}
+
+{% block page_keywords %}{{ block.super }}, сообщество {{ community.title }}{% endblock %}
 
 {% block meta_og %}
     <meta property="og:type" content="object" />
@@ -8,15 +11,13 @@
     {{ block.super }}
 {% endblock %}
 
-
 {% block details_contents_add %}
-    <div class="text-muted marg__b_mid small">
-        {% if community.url %}<div><a href="{{ community.url }}">{{ community.url }}</a></div>{% endif %}
+    <div class="text-muted mb-3 small">
+        {% if community.url %}<div><a href="{{ community.get_utm_url }}" rel="nofollow">{{ community.url }}</a></div>{% endif %}
         {% if community.place %}<div>{% model_field_verbose_name from community.place %}: <a href="{{ community.place.get_absolute_url }}">{{ community.place.title }}</a></div>{% endif %}
         {% if community.contacts %}<div class="py_user">{% model_field_verbose_name from community.contacts %}: {{ community.contacts }}</div>{% endif %}
     </div>
 
-    <div class="py_user marg__b_mid well">
-        {{ community.text|safe }}
-    </div>
-{% endblock %}
\ No newline at end of file
+    <div class="py_user mb-3 card"><div class="card-body">{{ community.text|safe }}</div></div>
+
+{% endblock %}
diff --git a/apps/templates/realms/communities/edit.html b/pythonz/apps/templates/realms/communities/edit.html
similarity index 100%
rename from apps/templates/realms/communities/edit.html
rename to pythonz/apps/templates/realms/communities/edit.html
diff --git a/pythonz/apps/templates/realms/communities/list_item.html b/pythonz/apps/templates/realms/communities/list_item.html
new file mode 100644
index 00000000..00df76fa
--- /dev/null
+++ b/pythonz/apps/templates/realms/communities/list_item.html
@@ -0,0 +1,9 @@
+{% extends "base_list_item.html" %}
+
+{% block info %}<i class="small">{{ item.description }}</i>{% endblock %}
+
+{% block bottom %}
+    {% if  item.supporters_num > 0 %}
+    <span class="badge badge-success float-right" title = "Одобрившие">{{ item.supporters_num }}</span>
+    {% endif %}
+{% endblock %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/realms/discussions/details.html b/pythonz/apps/templates/realms/discussions/details.html
new file mode 100644
index 00000000..5728297b
--- /dev/null
+++ b/pythonz/apps/templates/realms/discussions/details.html
@@ -0,0 +1,44 @@
+{% extends "base_details.html" %}
+{% load gravatar model_meta sitetree %}
+
+
+{% block page_description %}Обсуждение «{{ discussion.title }}»{% endblock %}
+
+
+{% block page_keywords %}{{ block.super }}, обсуждение {{ discussion.title }}{% endblock %}
+
+
+{% block head %}
+    {{ block.super }}
+    {% include "sub/vk_head.html" %}
+{% endblock %}
+
+{% block schema_type %}Comment{% endblock %}
+
+{% block details_contents %}
+    <meta itemprop="about" content="{{ discussion.title }}" />
+{% endblock %}
+
+{% block details_contents_add %}
+
+    {% if discussion.linked_object %}
+        <div class="card card-default card-body mb-3">
+            Связано с: <a href="{{ discussion.linked_object.get_absolute_url }}">{% model_meta_verbose_name discussion.linked_object %} «{{ discussion.linked_object.title }}»</a>
+        </div>
+    {% endif %}
+    <div class="py_user" itemprop="text">{{ discussion.text|safe }}</div>
+
+{%  endblock %}
+
+{% block cover %}
+    {% with discussion.submitter.get_absolute_url as submitter_url %}
+    <a href="{{ submitter_url }}">{% gravatar_get_img discussion.submitter 64 %}</a><br>
+    <small><a href="{{ submitter_url }}">{{ discussion.submitter.get_display_name }}</a></small>
+    {% endwith %}
+{% endblock %}
+
+{% block discussions %}
+    <div class="mt-4 p-2 clearfix border rounded">
+        {% include "sub/comments.html" with disable_internal=1 author=discussion.submitter entity_name='discussion' entity_id=discussion.id personalized=1 %}
+    </div>
+{% endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/discussions/edit.html b/pythonz/apps/templates/realms/discussions/edit.html
similarity index 100%
rename from apps/templates/realms/discussions/edit.html
rename to pythonz/apps/templates/realms/discussions/edit.html
diff --git a/apps/templates/realms/discussions/list_items.html b/pythonz/apps/templates/realms/discussions/list_items.html
similarity index 68%
rename from apps/templates/realms/discussions/list_items.html
rename to pythonz/apps/templates/realms/discussions/list_items.html
index 3ed46dbe..47166e2e 100644
--- a/apps/templates/realms/discussions/list_items.html
+++ b/pythonz/apps/templates/realms/discussions/list_items.html
@@ -1,3 +1,3 @@
-<div class="discussions marg__t_mid">
+<div class="discussions mt-3">
     {% include "realms/discussions/sub_discussions.html" with no_title=1 %}
 </div>
\ No newline at end of file
diff --git a/pythonz/apps/templates/realms/discussions/sub_discussions.html b/pythonz/apps/templates/realms/discussions/sub_discussions.html
new file mode 100644
index 00000000..d3e079e8
--- /dev/null
+++ b/pythonz/apps/templates/realms/discussions/sub_discussions.html
@@ -0,0 +1,68 @@
+{% load gravatar %}
+
+{% if show_form_for %}
+    {% if request.user.is_authenticated %}
+        <div class="pull-right mt-3">
+            <form method="post" action="{% url "discussions:add" %}">
+                {% csrf_token %}
+                <input type="hidden" name="pythonz_form" value="1" />
+                <input type="hidden" name="related_item_realm" value="{{ show_form_for.realm.name }}">
+                <input type="hidden" name="related_item_id" value="{{ show_form_for.id }}">
+                <button class="btn btn-sm">
+                    <i class="fa fa-bullhorn"></i> &nbsp;Обсудить&hellip;
+                </button>
+            </form>
+        </div>
+        <div class="clearfix"></div>
+    {% endif %}
+{% endif %}
+
+<div class="mt-3">
+    {% if items %}
+
+        <script type="text/javascript">
+            {% comment %}Проставляет кол-во комментариев на вкладку.{% endcomment %}
+             $(function(){
+                 $('#comments_internal_cnt').text('{{ items|length }}')
+             });
+        </script>
+
+        <ul class="discussions media-list">
+            {% for discussion in items %}
+                <li class="discussion media">
+                    <img src="{% gravatar_get_url discussion.submitter 32 %}" class="img-thumbnail align-self-center mr-3" alt="{{ discussion.submitter.title }}">
+
+                    <div class="media-body">
+                        <small class="cl__gray">{{ discussion.time_created|date:"d E H:i" }}</small>
+                        {% if request.user.id == discussion.submitter_id %}
+                            <small class="pull-right"><span class="badge badge-success">моё</span></small>
+                        {% endif %}
+                        <br>
+
+                        <a href="{% url "discussions:details" discussion.id %}" class="item mt-2" title="Страница обсуждения">
+                            {% if show_texts %}<i class="fa fa-comments"></i> &nbsp;{% endif %}{{ discussion.title }}
+                        </a>
+
+                        {% if show_texts %}
+                            <div class="card mt-2"><div class="card-body">
+                                {{ discussion.get_description|safe }}
+                            </div></div>
+                        {% endif %}
+                    </div>
+
+                </li>
+            {% endfor %}
+        </ul>
+    {% else %}
+        <small class="text-muted p-3">
+            Нет обсуждений для отображения.
+            {% if not request.user.is_authenticated %}
+                <div class="card bg-light m-2">
+                    <div class="card-body">
+                        <p class="card-text">Если у вас есть, что сказать, можете <a href="{% url "login" %}">представиться</a> и исправить ситуацию.</p>
+                    </div>
+                </div>
+            {% endif %}
+        </small>
+    {% endif %}
+</div>
\ No newline at end of file
diff --git a/pythonz/apps/templates/realms/events/details.html b/pythonz/apps/templates/realms/events/details.html
new file mode 100644
index 00000000..4f94c845
--- /dev/null
+++ b/pythonz/apps/templates/realms/events/details.html
@@ -0,0 +1,116 @@
+{% extends "base_details.html" %}
+{% load model_field %}
+
+
+{% block head %}
+    {{ block.super }}
+    {% include "sub/ya_map_head.html" %}
+{% endblock %}
+
+{% block page_title %}{{ event.page_title }}{% endblock %}
+
+{% block page_description %}Где и когда будет {{ event.page_title }}.{% endblock %}
+
+{% block page_keywords %}{{ block.super }}, событие {{ event.title }}{% endblock %}
+
+{% block meta_og %}
+    <meta property="og:type" content="event" />
+    <meta property="og:title" content="{{ event.title }}" />
+    {{ block.super }}
+{% endblock %}
+
+
+{% block schema_type %}Event{% endblock %}
+
+
+{% block details_contents %}
+    <div class="mb-3">
+        <div class="pull-right">
+            {% if event.fee %}
+                <span class="badge badge-danger" title="За участие взымается плата">Платно</span>
+            {% elif event.fee is None %}
+            {% else %}
+                <span class="badge badge-success" title="Участие беслатное">Бесплатно</span>
+            {% endif %}
+        </div>
+        {% if event.is_in_past %}
+            <h4 class="mb-4"><span class="badge badge-danger">Событие уже в прошлом</span></h4>
+        {% endif %}
+        <div>
+            {% if event.time_start %}
+                <meta itemprop="startDate" content="{{ event.time_start|date:"c" }}" />
+                {{ event.time_start|date:"d E Y года, H:i" }}
+                {% if event.time_finish %}
+                    &#8212; {{ event.time_finish|date:"d E H:i" }}
+                {% endif %}
+                {% if not event.is_in_past %}
+                <span class="cl__gray">
+                    &nbsp; {% if event.is_now %}[проходит прямо сейчас]{% else %}[{{ event.time_start|timeuntil }} до начала]{% endif %}
+                </span>
+                {% endif %}
+            {% endif %}
+        </div>
+    </div>
+
+    <div class="text-muted mb-2 small">
+        <table class="table table-borderless table-sm">
+
+        {% if event.place or event.src_place_name %}
+            <tr>
+                <td width="2%" nowrap>{% model_field_verbose_name from event.place %}:</td>
+                <td>
+                {% if event.place %}
+                    <a href="{{ event.place.get_absolute_url }}"><span itemprop="location">{{ event.place.title }}</span></a>
+                {% else %}
+                    <span itemprop="location">{{ event.src_place_name }}</span>
+                {% endif %}
+                </td>
+            </tr>
+        {% endif %}
+            <tr>
+                <td width="2%" nowrap>{% model_field_verbose_name from event.type %}:</td>
+                <td>{{ event.get_display_type }}</td>
+            </tr>
+            <tr>
+                <td width="2%" nowrap>{% model_field_verbose_name from event.specialization %}:</td>
+                <td>{{ event.get_display_specialization }}</td>
+            </tr>
+        {% if event.url %}
+            <tr>
+                <td width="2%" nowrap>{% model_field_verbose_name from event.url %}:</td>
+                <td><a href="{{ event.get_utm_url }}" rel="nofollow">{{ event.url }}</a></td>
+            </tr>
+        {% endif %}
+        {% if event.contacts %}
+            <tr>
+                <td width="2%" nowrap>{% model_field_verbose_name from event.contacts %}</td>
+                <td class="py_user">{{ event.contacts }}</td>
+            </tr>
+        {% endif %}
+        </table>
+    </div>
+    {% if not event.is_now and not event.is_in_past and event.time_start %}
+        <div class="mb-3">
+            {% include "sub/ya_forgetmenot.html" %}
+        </div>
+    {% endif %}
+
+    {% if event.place %}
+        <div id="event-map" class="mt-3 mb-3" style="height: 200px"></div>
+        {% include "sub/ya_map.html" with item=event.place element_id="event-map" zoom=5 %}
+    {% endif %}
+
+{% endblock %}
+
+{% block details_description %}
+
+    {% if item.description or event.text %}
+    <div class="card bg-light">
+        <div class="card-body">
+            <p><i itemprop="description">{{ item.description|urlize|linebreaksbr }}</i></p>
+            <p class="py_user">{{ event.text|safe }}</p>
+        </div>
+    </div>
+    {% endif %}
+
+{% endblock %}
diff --git a/apps/templates/realms/events/edit.html b/pythonz/apps/templates/realms/events/edit.html
similarity index 100%
rename from apps/templates/realms/events/edit.html
rename to pythonz/apps/templates/realms/events/edit.html
diff --git a/pythonz/apps/templates/realms/events/index_card.html b/pythonz/apps/templates/realms/events/index_card.html
new file mode 100644
index 00000000..9831cab4
--- /dev/null
+++ b/pythonz/apps/templates/realms/events/index_card.html
@@ -0,0 +1,8 @@
+{% extends "sub/realm_card_main.html" %}
+
+{% block cover %}
+    {{ block.super }}
+    {% if item.is_now %}<div class="badge badge-info mt-2">проходит прямо сейчас</div>{% endif %}
+{% endblock %}
+
+{% block item_title %}{{ item.get_display_type }}: {{ item.title }}{% endblock %}
diff --git a/pythonz/apps/templates/realms/events/list_item.html b/pythonz/apps/templates/realms/events/list_item.html
new file mode 100644
index 00000000..d1d2ef16
--- /dev/null
+++ b/pythonz/apps/templates/realms/events/list_item.html
@@ -0,0 +1,15 @@
+{% extends "base_list_item.html" %}
+
+{% block bottom %}
+    <div class="float-right">
+    {% if item.is_in_past %}
+        <div class="badge badge-secondary">В прошлом</div>
+    {% else %}
+        {% if item.time_start %}
+            <div>{{ item.time_start|date:"d M H:i" }} {% if item.time_finish %}&#8212; {{ item.time_finish|date:"d M H:i" }}{% endif %}</div>
+        {% endif %}
+    {% endif %}
+    </div>
+    <div class="mt-2">{{ item.get_display_type }}</div>
+    <span>{{ item.get_display_specialization }}</span>
+{% endblock %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/realms/events/listing.html b/pythonz/apps/templates/realms/events/listing.html
new file mode 100644
index 00000000..49005b0e
--- /dev/null
+++ b/pythonz/apps/templates/realms/events/listing.html
@@ -0,0 +1,17 @@
+{% extends "base_listing.html" %}
+
+{% block page_title %}Какие конференции Python, встречи, митапы посетить{% endblock %}
+
+{% block bar_right %}
+    <div class="card border-info mt-3">
+        <div class="card-header">
+            <h5 class="card-title">Как добавить событие</h5>
+        </div>
+        <div class="card-body">
+            Чтобы ваше событие отобразилось здесь, вы можете:
+            <br>
+            а. заполнить форму события прямо на нашем сайте,<br>
+            б. зарегистрировать событие <a href="https://wiki.python.org/moin/PythonEventsCalendar" rel="nofollow">в одном из общих календарей</a>.
+        </div>
+    </div>
+{% endblock %}
diff --git a/pythonz/apps/templates/realms/peps/details.html b/pythonz/apps/templates/realms/peps/details.html
new file mode 100644
index 00000000..4dcc285e
--- /dev/null
+++ b/pythonz/apps/templates/realms/peps/details.html
@@ -0,0 +1,85 @@
+{% extends "base_details.html" %}
+{% load model_field %}
+
+{% block page_title %}PEP {{ pep.num }} в Python: {{ pep.title }}{% endblock %}
+
+{% block page_keywords %}{{ block.super }}, предложение по улучшению{% endblock %}
+
+{% block head %}
+    {{ block.super }}
+    {% include "sub/vk_head.html" %}
+{% endblock %}
+
+{% block details_contents %}
+    <div class="pull-right badge badge-info">{{ pep.time_published|date }}</div>
+{% endblock %}
+
+{% block details_description %}
+    <div class="mb-3" itemprop="description">
+        <strong>PEP {{ pep.num }}</strong>:
+        <a href="{{ pep.get_link_to_pyorg }}" rel="nofollow" title="Полный текст улучшения на английском языке">{{ item.description }}</a>
+    </div>
+{% endblock %}
+
+{% block details_contents_add %}
+
+    <table class="table table-bordered table-striped">
+        <tr>
+            <th width="20%">{% model_field_verbose_name from pep.type %}</th><td>{{ pep.display_type }}</td>
+        </tr>
+        <tr>
+            <th>{% model_field_verbose_name from pep.status %}</th><td class="{{ pep.bg_class }}">{{ pep.display_status }}</td>
+        </tr>
+
+        {% with pep.versions.all as versions %}
+            {% if versions %}
+            <tr>
+                <th>{% model_field_verbose_name from pep.versions %}</th>
+                <td>
+                    {% for version in versions %}
+                        <a href="{{ version.get_absolute_url }}">{{ version.title }}</a>
+                    {% endfor %}
+                </td>
+            </tr>
+            {% endif %}
+        {% endwith %}
+
+        {% with pep.authors.all as authors %}
+            {% if authors %}
+            <tr>
+                <th>{% model_field_verbose_name from pep.authors %}</th>
+                <td>{% include "sub/persons_links.html" with persons=authors %}</td>
+            </tr>
+            {% endif %}
+        {% endwith %}
+
+    </table>
+
+    {% with pep.superseded.all as superseded %}
+        {% if superseded %}
+            <div class="mb-3">
+                <h6>Предложения, пришедшие на смену данному</h6>
+                {% include "realms/peps/list_items.html" with items=superseded %}
+            </div>
+        {% endif %}
+    {% endwith %}
+
+    {% with pep.replaces.all as replaces %}
+        {% if replaces %}
+            <div class="mb-3">
+                <h6>Предложения, которые были заменены данным</h6>
+                {% include "realms/peps/list_items.html" with items=replaces %}
+            </div>
+        {% endif %}
+    {% endwith %}
+
+    {% with pep.requires.all as requires %}
+        {% if requires %}
+            <div class="mb-3">
+                <h6>Данное предложение зависит от следующих</h6>
+                {% include "realms/peps/list_items.html" with items=requires %}
+            </div>
+        {% endif %}
+    {% endwith %}
+
+{% endblock %}
diff --git a/pythonz/apps/templates/realms/peps/list_items.html b/pythonz/apps/templates/realms/peps/list_items.html
new file mode 100644
index 00000000..7fd8728c
--- /dev/null
+++ b/pythonz/apps/templates/realms/peps/list_items.html
@@ -0,0 +1,20 @@
+<table class="table table-responsive table-bordered table-striped table-hover">
+<thead>
+    <tr>
+        <th>Номер</th>
+        <th>Название</th>
+        <th>Тип</th>
+        <th>Состояние</th>
+    </tr>
+</thead>
+<tbody>
+{% for pep in items %}
+    <tr class="table-{{ pep.bg_class }}">
+        <td width="8%">{{ pep.num }}</td>
+        <td><a href="{{ pep.get_absolute_url }}" class="pep-href">{{ pep.title }}</a></td>
+        <td class="text-center"><code>{{ pep.display_type_letter }}</code></td>
+        <td class="text-center"><code>{{ pep.display_status_letter }}</code></td>
+    </tr>
+{% endfor %}
+</tbody>
+</table>
\ No newline at end of file
diff --git a/pythonz/apps/templates/realms/peps/listing.html b/pythonz/apps/templates/realms/peps/listing.html
new file mode 100644
index 00000000..d0ab97c3
--- /dev/null
+++ b/pythonz/apps/templates/realms/peps/listing.html
@@ -0,0 +1,43 @@
+{% extends "base_listing.html" %}
+{% load cache %}
+
+{% block page_title %}Все PEP в Python{% endblock %}
+
+{% block bar_right %}
+    {% cache 21600 pep_filter %}
+    <div>
+        <h2>Легенда</h2><hr>
+
+        <table class="table table-striped table-bordered small">
+            <thead>
+                <tr><th colspan="2">Состояние</th></tr>
+            </thead>
+            <tbody>
+
+            {% for enum, tuple in realm.model.STATUS_MAP.items %}
+            <tr>
+                <td class="table-{{ tuple.1 }}"><code>{{ tuple.0 }}</code></td>
+                <td class="table-{{ tuple.1 }}"><a href="?status={{ enum.value }}">{{ enum.label }}</a></td>
+            </tr>
+            {% endfor %}
+
+            </tbody>
+
+            <thead>
+                <tr><th colspan="2">Тип</th></tr>
+            </thead>
+            <tbody>
+            {% for enum in realm.model.Type %}
+            <tr>
+                <td><code>{{ enum.label.0 }}</code></td>
+                <td><a href="?type={{ enum.value }}">{{ enum.label }}</a></td>
+            </tr>
+            {% endfor %}
+            </tbody>
+        </table>
+
+    </div>
+    {% endcache %}
+
+    {{ block.super }}
+{% endblock %}
diff --git a/pythonz/apps/templates/realms/persons/details.html b/pythonz/apps/templates/realms/persons/details.html
new file mode 100644
index 00000000..fb8803f3
--- /dev/null
+++ b/pythonz/apps/templates/realms/persons/details.html
@@ -0,0 +1,67 @@
+{% extends "base_details.html" %}
+{% load gravatar model_meta model_field sitetree static cache %}
+{% get_static_prefix as STATIC_URL %}
+
+
+{% block page_title %}{{ person.name }} в сообществе Python{% endblock %}
+
+{% block page_description %}{{ person.name }}. Вклад в развитие языка программирования Python.{% endblock %}
+
+{% block page_keywords %}{{ block.super }}, {{ person.name }}, {{ person.name_en }}, {{ person.aka }}{% endblock %}
+
+
+{% block head %}
+    {{ block.super }}
+    {% include "sub/vk_head.html" %}
+    {% include "sub/plotly.html" %}
+{% endblock %}
+
+{% block meta_og %}
+    <meta property="og:type" content="profile" />
+    <meta property="og:title" content="{{ person.get_display_name }}" />
+    <meta property="og:description" content="{% sitetree_page_description from "main" %}" />
+{% endblock %}
+
+
+{% block schema_type %}Person{% endblock %}
+
+
+{% block details_contents %}
+    <div class="mt-4 mb-3 text-muted ml-3">
+        {% if person.user %}
+        <div class="mt-3 float-right">
+            <a href="{{ person.user.get_absolute_url  }}" class="btn btn-success btn-sm">Профиль пользователя сайта &hellip;</a>
+        </div>
+        {% endif %}
+        <table class="small" width="40%">
+            <tr>
+                <td width="45%">{% model_field_verbose_name from person.name %}:</td>
+                <td>{{ person.name }}</td>
+            </tr>
+            <tr>
+                <td>{% model_field_verbose_name from person.name_en %}:</td>
+                <td>{{ person.name_en }}</td>
+            </tr>
+            <tr>
+                <td>{% model_field_verbose_name from person.aka %}:</td>
+                <td>{{ person.aka }}</td>
+            </tr>
+        </table>
+    </div>
+    <div class="clearfix"></div>
+
+{% cache 300 person_materials person.pk %}
+    {% if materials.downloads_map %}
+    <div class="mt-3 mb-4 card">
+        <div class="card-body">{% include "realms/apps/downloads.html" with downloads_map=materials.downloads_map %}</div>
+    </div>
+    {% endif %}
+
+    {% if materials.items %}
+    <div class="mt-4">
+        {% include "sub/realms_links_tabs.html" with realms_links=materials.items %}
+    </div>
+    {% endif %}
+{% endcache %}
+
+{% endblock %}
diff --git a/pythonz/apps/templates/realms/persons/list_items.html b/pythonz/apps/templates/realms/persons/list_items.html
new file mode 100644
index 00000000..a394da83
--- /dev/null
+++ b/pythonz/apps/templates/realms/persons/list_items.html
@@ -0,0 +1,10 @@
+<ul {% if not nofade %}id="indexed"{% endif %}>
+{% for person in items %}
+    <li class="mb-2">
+        <a href="{{ person.get_absolute_url }}">{{ person.name }}</a>
+        <small class="text-muted">
+            <i>{{ person.name_en }}</i>
+        </small>
+    </li>
+{% endfor %}
+</ul>
\ No newline at end of file
diff --git a/pythonz/apps/templates/realms/persons/listing.html b/pythonz/apps/templates/realms/persons/listing.html
new file mode 100644
index 00000000..eb19c4ad
--- /dev/null
+++ b/pythonz/apps/templates/realms/persons/listing.html
@@ -0,0 +1,14 @@
+{% extends "base_listing.html" %}
+
+{% block page_title %}Известные люди в мире Python{% endblock %}
+
+{% block js_bottom %}
+    {{ block.super }}
+    <script src="{{ STATIC_URL }}js/jquery.alphaindex.min.js" type="text/javascript"></script>
+    <script>
+        $(function(){
+            var index = $('#indexed').makeAlphaIndex();
+                index.alphaIndexBar.addClass('list-inline');
+        });
+    </script>
+{% endblock %}
diff --git a/pythonz/apps/templates/realms/places/details.html b/pythonz/apps/templates/realms/places/details.html
new file mode 100644
index 00000000..36b700d2
--- /dev/null
+++ b/pythonz/apps/templates/realms/places/details.html
@@ -0,0 +1,80 @@
+{% extends "base_details.html" %}
+{% load sitecats %}
+
+
+{% block head %}
+    {{ block.super }}
+    {% include "sub/ya_map_head.html" %}
+{% endblock %}
+
+{% block page_title %}Python в городе {{ place.title }}{% endblock %}
+
+{% block page_keywords %}{{ block.super }}, {{ place.title }} python{% endblock %}
+
+{% block schema_type %}AdministrativeArea{% endblock %}
+
+{% block cover %}
+    <div id="cover-map" style="width: 260px; height: 300px;"></div>
+    {% include "sub/ya_map.html" with item=item element_id="cover-map" %}
+{% endblock %}
+
+{% block details_contents %}
+
+    {% if allow_im_here %}
+        <div class="mb-3">
+            <button id="set-im-here" hx-post hx-swap="outerHTML" class="btn btn-warning" title="Нажмите, если находитесь в этом месте.">Я здесь!</button>
+        </div>
+    {% endif %}
+
+    {{ block.super }}
+{% endblock %}
+
+{% block column_controls %}
+    {% if stats_salary %}
+    <div class="small mb-4">
+        {% include "realms/vacancies/stats_salary.html" %}
+    </div>
+    {% endif %}
+    {{ block.super }}
+{% endblock %}
+
+{% block details_contents_after %}
+
+<div class="card card-default card-body">
+    <ul class="nav nav-tabs mb-3" role="tablist" id="tabs-realms">
+        {% if vacancies %}<li role="presentation" class="nav-item">
+            <a href="#vacancies" class="nav-link" aria-controls="vacancies" role="tab" data-toggle="tab">Вакансии</a>
+        </li>{% endif %}
+
+        {% if events %}<li role="presentation" class="nav-item">
+            <a href="#events" class="nav-link" aria-controls="events" role="tab" data-toggle="tab">События</a>
+        </li>{% endif %}
+
+        {% if users %}<li role="presentation" class="nav-item">
+            <a href="#users" class="nav-link" aria-controls="users" role="tab" data-toggle="tab">Пользователи</a>
+        </li>{% endif %}
+
+        {% if communities %}<li role="presentation" class="nav-item">
+            <a href="#communities" class="nav-link" aria-controls="communities" role="tab" data-toggle="tab">Сообщества</a>
+        </li>{% endif %}
+
+    </ul>
+    <div class="tab-content">
+        <div role="tabpanel" class="tab-pane active" id="vacancies">{% include "realms/places/sub_realm_links.html" with items=vacancies %}</div>
+        <div role="tabpanel" class="tab-pane" id="users">{% include "realms/places/sub_realm_links.html" with items=users %}</div>
+        <div role="tabpanel" class="tab-pane" id="communities">{% include "realms/places/sub_realm_links.html" with items=communities %}</div>
+        <div role="tabpanel" class="tab-pane" id="events">{% include "realms/places/sub_realm_links.html" with items=events %}</div>
+    </div>
+</div>
+
+{% endblock %}
+
+{% block js_bottom %}
+    {{ block.super }}
+    <script type="text/javascript">
+        $(function(){
+            $('#tabs-realms a:first').tab('show');
+        });
+    </script>
+
+{% endblock %}
diff --git a/apps/templates/realms/places/listing.html b/pythonz/apps/templates/realms/places/listing.html
similarity index 56%
rename from apps/templates/realms/places/listing.html
rename to pythonz/apps/templates/realms/places/listing.html
index 92c485fc..ee315352 100644
--- a/apps/templates/realms/places/listing.html
+++ b/pythonz/apps/templates/realms/places/listing.html
@@ -1,23 +1,23 @@
 {% extends "_base.html" %}
 
-
 {% block head %}
     {{ block.super }}
-    <script src="http://api-maps.yandex.ru/2.1/?lang=ru_RU" type="text/javascript"></script>
+    {% include "sub/ya_map_head.html" %}
+    <meta property="yandex_recommendations_kill" content="1"/>
 {% endblock %}
 
+{% block page_title %}Места, где используют Python{% endblock %}
 
 {% block page_keywords %}{{ realm.view_listing_keywords }}{% endblock %}
 
-
 {% block page_contents %}
     <div class="row">
         <div class="col-md-12">
-            {% include "sub_title_block.html" %}
+            {% include "sub/title_block.html" %}
         </div>
     </div>
 
-    <div class="row">
+    <div class="row mt-4">
         <div class="col-md-12">
             {% if places %}
                 <div id="map" style="width: 100%; height: 350px;"></div>
@@ -37,16 +37,31 @@
                         new pythonz.Map('map', places);
                     });
                 </script>
-                <ul class="marg__t_max">
-                    {% for place in places %}
-                        <li class="block marg__r_mid">
-                            <a href="{{ place.get_absolute_url }}">{{ place.title }}</a> <sup title="поддержка">{{ place.supporters_num }}</sup>
-                        </li>
-                    {% endfor %}
-                </ul>
+
+                <div class="mt-5">
+                    <ul id="indexed">
+                        {% for place in places %}
+                            <li>
+                                <a href="{{ place.get_absolute_url }}">{{ place.title }}</a> <sup title="поддержка">{{ place.supporters_num }}</sup>
+                            </li>
+                        {% endfor %}
+                    </ul>
+                </div>
+
             {% else %}
                 <div class="jumbotron">Как только нам будет, что вам показать, здесь появится карта местности.</div>
             {% endif %}
         </div>
     </div>
-{%  endblock %}
\ No newline at end of file
+{%  endblock %}
+
+{% block js_bottom %}
+    {{ block.super }}
+    <script src="{{ STATIC_URL }}js/jquery.alphaindex.min.js" type="text/javascript"></script>
+    <script>
+        $(function(){
+            var index = $('#indexed').makeAlphaIndex();
+                index.alphaIndexBar.addClass('list-inline');
+        });
+    </script>
+{% endblock %}
diff --git a/pythonz/apps/templates/realms/places/sub_realm_links.html b/pythonz/apps/templates/realms/places/sub_realm_links.html
new file mode 100644
index 00000000..b28a2755
--- /dev/null
+++ b/pythonz/apps/templates/realms/places/sub_realm_links.html
@@ -0,0 +1,10 @@
+{% if items %}
+    <ul>
+    {% for item in items %}
+        <li class="mt-2">
+            <a href="{{ item.get_absolute_url }}">{{ item.title }}</a><br>
+            <small class="cl__gray">{{ item.description }}</small>
+        </li>
+    {% endfor %}
+    </ul>
+{% endif %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/realms/references/body.html b/pythonz/apps/templates/realms/references/body.html
new file mode 100644
index 00000000..04e453b6
--- /dev/null
+++ b/pythonz/apps/templates/realms/references/body.html
@@ -0,0 +1,33 @@
+{% load text %}
+{% if reference.is_type_callable %}
+    <div class="mb-3">
+
+        {% if reference.func_proto %}
+        <div class="mb-3 card"><div class="card-body">
+            <div id="area_func_proto" class="block">
+                {{ reference.func_proto }}
+            </div>
+            {% if reference.func_result %} -> <span id="area_func_result">{{ reference.func_result }}</span>{% endif %}
+        </div></div>
+        {% endif %}
+
+        {% if reference.func_params %}
+        <div class="mb-3">
+            <div id="area_func_params">
+                {{ reference.func_params|linebreaksbr }}
+            </div>
+        </div>
+        {% endif %}
+
+    <hr>
+    </div>
+{% endif %}
+
+<div id="area_description">
+    {% if ide %}
+        {{ reference.text|nolinks }}
+
+    {% else %}
+        {{ reference.text|safe }}
+    {% endif %}
+</div>
\ No newline at end of file
diff --git a/pythonz/apps/templates/realms/references/details.html b/pythonz/apps/templates/realms/references/details.html
new file mode 100644
index 00000000..08558080
--- /dev/null
+++ b/pythonz/apps/templates/realms/references/details.html
@@ -0,0 +1,96 @@
+{% extends "base_details.html" %}
+{% load model_field sitetree static %}
+{% get_static_prefix as STATIC_URL %}
+
+{% block page_title %}{{ reference.title }} в Python{% endblock %}
+
+{% block page_description %}Описание {{ reference.title }} в Python. {{ reference.description|truncatechars:"135" }}{% endblock %}
+
+{% block page_keywords %}{{ block.super }}, {{ reference.page_keywords }}{% endblock %}
+
+{% block js_bottom %}
+    {% include "realms/references/js.html" %}
+{% endblock %}
+
+{% block breadcrumbs %}
+    {% sitetree_breadcrumbs from "references" template "sitetree/crumbs.html" %}
+{% endblock %}
+
+{% block column_right_contents %}
+
+    {% if request.user.is_authenticated %}
+    <div class="card mb-4"><div class="card-body">
+        <div>Дополнить справочник:</div>
+        <div>
+            {% include "realms/references/quick_add_form.html" with parent=reference.parent_id title='Добавить по соседству' %}
+            {% include "realms/references/quick_add_form.html" with parent=reference.id title='Добавить вложенно' %}
+        </div>
+        <div class="clearfix"></div>
+    </div></div>
+    {% endif %}
+
+    {% include "sub/column_controls.html" %}
+
+{% endblock %}
+
+{% block schema_type %}APIReference{% endblock %}
+
+{% block details_contents %}
+    <meta itemprop="headline" content="{{ reference.title }}" />
+    <meta itemprop="datePublished" content="{{ reference.time_published|date:"c" }}" />
+    <meta itemprop="image" content="{{ STATIC_URL }}img/realm_logos/pythonz_references.png" />
+
+    <div class="mb-3 pull-right">
+        {% if reference.pep %}
+            <div class="badge badge-primary mr-2">
+                <a href="/peps/named/{{ reference.pep|stringformat:"04d" }}/" title="Перейти к связанному предложению по улучшению">
+                    {% model_field_verbose_name from reference.pep %}-{{ reference.pep }}</a></div>
+        {% endif %}
+        {% if reference.version_added %}
+        <div class="badge badge-info mr-2">
+            <a href="{{ reference.version_added.get_absolute_url }}">{% model_field_verbose_name from reference.version_added %} {{ reference.version_added }}</a>
+        </div>
+        {% endif %}
+        {% if reference.version_deprecated %}
+        <div class="badge badge-danger">
+            <a href="{{ reference.version_deprecated.get_absolute_url }}">{% model_field_verbose_name from reference.version_deprecated %} {{ reference.version_deprecated }}</a>
+        </div>
+        {% endif %}
+    </div>
+
+{%  endblock %}
+
+{% block details_contents_add %}
+
+    {% include "realms/references/body.html" %}
+
+    <div class="mt-3 small cl__gray">
+        Синонимы поиска: {{ reference.page_keywords }}
+    </div>
+
+    {% if children and reference.is_type_bundle %}
+    <h6 class="mt-3">Статьи раздела</h6>
+    {% include "realms/references/sub_list.html" with items=children detailed=True %}
+    {% endif %}
+
+{% endblock %}
+
+{% block details_discussions_pre %}
+
+    <div class="card bg-light border-light mb-3 small">
+        <div class="card-body">
+            {% if children and not reference.is_type_bundle %}
+                <div class="mb-2"><i class="fa fa-circle-thin" aria-hidden="true"></i> В этом разделе:
+                    {% include "realms/references/sub_list.html" with items=children %}</div>
+            {% endif %}
+            {% if reference.parent and siblings %}
+                <div><i class="fa fa-circle-thin" aria-hidden="true"></i> В разделе «{{ reference.parent.title }}»:
+                    {% include "realms/references/sub_list.html" with items=siblings %}</div>
+            {% endif %}
+        </div>
+    </div>
+
+    {{ block.super }}
+{% endblock %}
+
+{% block cover %}{% endblock %}
diff --git a/pythonz/apps/templates/realms/references/edit.html b/pythonz/apps/templates/realms/references/edit.html
new file mode 100644
index 00000000..2faf07e8
--- /dev/null
+++ b/pythonz/apps/templates/realms/references/edit.html
@@ -0,0 +1,39 @@
+{% extends "base_edit.html" %}
+
+
+{% block head %}
+    {{ block.super }}
+    <script type="text/javascript">
+
+        function toggleFormFields() {
+            var idFunc = '4',
+                idClass = '5',
+                idMethod = '6',
+                show = $.inArray($('#edit_form_type').val(), [idFunc, idClass, idMethod]) > -1;
+
+            $('.form-control', '#edit_form').each(function(idx, el){
+                var $el = $(el);
+                if ($el.attr('name').indexOf('func_')===0) {
+                    var $parent = $el.parent('.form-group');
+                    $parent.hide();
+                    if (show) {
+                        $parent.show();
+                    }
+                }
+            });
+        }
+
+        $(function(){
+            $('#edit_form_type').on('change', toggleFormFields);
+            toggleFormFields();
+        });
+    </script>
+{% endblock %}
+
+
+{% block hint %}
+    <ol>
+        <li>Заполняйте форму аккуратно;</li>
+        <li>Обратите особое внимание на правильность заполнения поля &laquo;Тип статьи&raquo;.</li>
+    </ol>
+{%  endblock %}
diff --git a/pythonz/apps/templates/realms/references/ide.html b/pythonz/apps/templates/realms/references/ide.html
new file mode 100644
index 00000000..7730e37f
--- /dev/null
+++ b/pythonz/apps/templates/realms/references/ide.html
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>pythonz IDE hint — {{ term }}</title>
+    {% include "sub/static_base.html" %}
+</head>
+<body style="padding-bottom: 120px; background-color: #999">
+    <div class="container-fluid p-1 m-0" style="background-color: #999">
+        <div class="col-12">
+        {% if not results %}
+            {% if error %}
+                <div class="alert alert-danger mt-4" role="alert">{{ error }}</div>
+            {% endif %}
+            <div class="alert alert-warning mt-4" role="alert">Поиск не дал результатов.</div>
+        {% else %}
+            {% for reference in results %}
+                <div class="card mb-2">
+                    <div class="card-header bg-white">
+                        <span class="mr-2"><b>{{ reference.title }}</b></span>
+                        <div class="float-right">
+                            {% if reference.pep %}
+                                <span class="badge badge-primary mr-2">PEP-{{ reference.pep }}</span>
+                            {% endif %}
+                            {% if reference.version_deprecated %}
+                                <span class="badge badge-danger mr-2">Устрело: {{ reference.version_deprecated }}</span>
+                            {% endif %}
+                        </div>
+                    </div>
+                    <div class="card-body">
+                        <div class="card-text">
+                            <div class="mb-2">{{ reference.description }}</div>
+                            {% include "realms/references/body.html" with ide=1 %}
+                        </div>
+                    </div>
+                </div>
+            {% endfor %}
+        {% endif %}
+        </div>
+    </div>
+
+    <nav class="navbar fixed-bottom align-center pl-1 pr-1" style="height: 120px">
+        {% include "sub/box_ads.html" with area="ide" %}
+    </nav>
+
+    {% include "sub/static_footer.html" %}
+    {% include "realms/references/js.html" %}
+</body>
+</html>
\ No newline at end of file
diff --git a/pythonz/apps/templates/realms/references/js.html b/pythonz/apps/templates/realms/references/js.html
new file mode 100644
index 00000000..422d4bd9
--- /dev/null
+++ b/pythonz/apps/templates/realms/references/js.html
@@ -0,0 +1,7 @@
+<script type="text/javascript">
+    $(function(){
+        pythonz.Reference.decorateDescription('area_description');
+        pythonz.Reference.decorateFuncParams('area_func_params');
+        pythonz.Reference.decorateFuncResult('area_func_result');
+    });
+</script>
\ No newline at end of file
diff --git a/apps/templates/realms/references/quick_add_form.html b/pythonz/apps/templates/realms/references/quick_add_form.html
similarity index 75%
rename from apps/templates/realms/references/quick_add_form.html
rename to pythonz/apps/templates/realms/references/quick_add_form.html
index c0fb5770..e7375945 100644
--- a/apps/templates/realms/references/quick_add_form.html
+++ b/pythonz/apps/templates/realms/references/quick_add_form.html
@@ -1,6 +1,6 @@
-<form method="post" action="{% url "references:add" %}" class="marg__b_min">
+<form method="post" action="{% url "references:add" %}" class="mb-2">
     {% csrf_token %}
     <input type="hidden" name="pythonz_form" value="1" />
     <input type="hidden" name="parent" value="{{ parent }}">
-    <button class="btn btn-block">{{ title }}</button>
+    <button class="btn btn-block btn-info">{{ title }}</button>
 </form>
\ No newline at end of file
diff --git a/pythonz/apps/templates/realms/references/sub_list.html b/pythonz/apps/templates/realms/references/sub_list.html
new file mode 100644
index 00000000..459ad1c5
--- /dev/null
+++ b/pythonz/apps/templates/realms/references/sub_list.html
@@ -0,0 +1,33 @@
+{% if detailed %}
+
+    <table class="text-muted table table-bordered">
+    {% for item in items %}
+        <tr>
+            <td>
+            {% with item.version_deprecated as del %}
+                {% if del %}<del title="Устарело">{% endif %}
+
+                <a href="{{ item.get_absolute_url }}">{{ item.title }}</a>
+
+                {% if del %}</del>{% endif %}
+            {% endwith %}
+            </td>
+            <td>{{ item.description|truncatechars:70 }}</td>
+        </tr>
+    {% endfor %}
+    </table>
+
+{% else %}
+
+<span class="ref-linked">
+    {% for item in items %}
+        <span>
+        {% with item.version_deprecated as del %}
+            {% if del %}<del title="Устарело">{% endif %}
+            <a href="{{ item.get_absolute_url }}">{{ item.title }}</a>
+            {% if del %}</del>{% endif %}
+        {% endwith %}
+        </span>
+    {% endfor %}
+</span>
+{% endif %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/realms/users/details.html b/pythonz/apps/templates/realms/users/details.html
new file mode 100644
index 00000000..53e2e6ea
--- /dev/null
+++ b/pythonz/apps/templates/realms/users/details.html
@@ -0,0 +1,155 @@
+{% extends "base_details.html" %}
+{% load gravatar sitetree model_field cache %}
+
+
+{% block page_title %}{{ user.title }} на pythonz.net{% endblock %}
+
+{% block page_description %}Профиль питониста «{{ user.title }}»{% endblock %}
+
+{% block page_keywords %}{{ block.super }}, {{ user.title }} python{% endblock %}
+
+{% block meta_og %}
+    <meta property="og:type" content="profile" />
+    <meta property="og:title" content="{{ user.get_display_name }}" />
+    <meta property="og:first_name" content="{{ user.first_name }}" />
+    <meta property="og:last_name" content="{{ user.last_name }}" />
+    <meta property="og:username" content="{{ user.get_username_partial }}" />
+
+    <meta property="og:description" content="{% sitetree_page_description from "main" %}" />
+    <meta property="og:image" content="{% gravatar_get_url user 180 %}" />
+{% endblock %}
+
+{% block schema_type %}Person{% endblock %}
+
+{% block details_contents %}
+    <h4><i class="fa fa-fw fa-user-circle-o"></i> Общая информация</h4>
+    <div class="mb-3 text-muted ml-3">
+        <table class="small" width="40%">
+            <tr>
+                <td width="45%">{% model_field_verbose_name from user.username %}:</td>
+                <td>{{ user.get_username_partial }}</td>
+            </tr>
+            <tr>
+                <td>{% model_field_verbose_name from user.date_joined %}:</td>
+                <td>{{ user.date_joined }}</td>
+            </tr>
+            <tr>
+                <td colspan="2">
+                    &nbsp;
+                </td>
+            </tr>
+            {% if user.place %}
+                <tr>
+                    <td>{% model_field_verbose_name from user.place %}:</td>
+                    <td><a href="{{ user.place.get_absolute_url }}">{{ user.place.title }}</a></td>
+                </tr>
+            {% endif %}
+            {% if user.email_public %}
+                <tr>
+                    <td>{% model_field_verbose_name from user.email_public %}:</td>
+                    <td><a href="mailto:{{ user.email_public }}">{{ user.email_public }}</a></td>
+                </tr>
+            {% endif %}
+            {% if user.karma > 0 %}
+                {% if user.url %}
+                    <tr>
+                        <td>{% model_field_verbose_name from user.url %}:</td>
+                        <td><a href="{{ user.get_utm_url }}" rel="nofollow">{{ user.url }}</a></td>
+                    </tr>
+                {% endif %}
+            {% endif %}
+            {% if user.person %}
+            <tr>
+                <td colspan="2">
+                    <div class="mt-3">
+                        <a href="{{ user.person.get_absolute_url  }}" class="btn btn-success btn-sm">
+                            {{ user.get_display_name }} в разделе &laquo;Персоны&raquo; &hellip;
+                        </a>
+                    </div>
+                </td>
+            </tr>
+            {% endif %}
+        </table>
+    </div>
+
+{% cache 300 user_stats user.pk %}
+    {% if stats %}
+    <div class="mt-4">
+        <hr>
+        <h4><i class="fa fa-fw fa-share-alt"></i> Вклад в сообщество
+            <sup class="small tooltipped" title="Статистика по материалам, размещенным пользователем на нашем сайте"><i class="fa fa-info-circle"></i></sup>
+        </h4>
+        <div class="mb-3 text-muted ml-3">
+            <table class="small" width="40%">
+                {% for realm_name, stats in stats.items %}
+                    <tr>
+                        <td width="45%">{{ realm_name }}</td>
+                        <td width="10%">{{ stats.cnt_published }}</td>
+                        <td>
+                            {% if stats.cnt_postponed %}
+                                <span class="tooltipped cl__green" title="Ожидают публикации">+{{ stats.cnt_postponed }}</span>
+                            {% endif %}
+                        </td>
+                    </tr>
+                {% endfor %}
+            </table>
+        </div>
+    </div>
+    {% endif %}
+{% endcache %}
+
+    {% if drafts %}
+    <div class="mt-4">
+        <hr>
+        <h4><i class="fa fa-fw fa-pause-circle-o"></i> Неопубликованные</h4>
+        <div class=" ml-3 mt-3">
+            {% for realm_name, drafts in drafts.items %}
+                <h5>{{ realm_name }} <sup class="text-muted">{{ drafts|length }}</sup></h5>
+                <table class="table small text-muted">
+                {% for draft in drafts %}
+                    <tr>
+                        <td width="1%">
+                            {% if draft.is_draft %}
+                                <i class="text-muted fa fa-fw fa-flask" title="Черновик"></i>
+                            {% else %}
+                                <i class="fa fa-fw fa-hourglass-half" title="К отложенной публикации"></i>
+                            {% endif %}
+                        </td>
+                        <td width="1%" nowrap>{{ draft.time_created|date }}</td>
+                        <td><a href="{{ draft.get_absolute_url }}">{{ draft.title }}</a></td>
+                    </tr>
+                {% endfor %}
+                </table>
+            {% endfor %}
+        </div>
+    </div>
+    {% endif %}
+
+    {% if bookmarks %}
+    <div class="mt-4">
+        <hr>
+        <h4><i class="fa fa-fw fa-bookmark-o"></i> Избранное</h4>
+        {% for realm_model, bookmark_list in bookmarks.items %}
+            {% if bookmark_list %}
+            <div class="ml-3 mt-3">
+                <h5>{{ realm_model.get_verbose_name_plural }}</h5>
+                <ul>
+                    {% for item in bookmark_list %}
+                        <li><a href="{{ item.get_absolute_url }}">{{ item.title }}</a></li>
+                    {% endfor %}
+                </ul>
+            </div>
+            {% endif %}
+        {% endfor %}
+    </div>
+    {% endif %}
+
+{%  endblock %}
+
+{% block details_share %}{% endblock %}
+
+{% block column_controls %}{% endblock %}
+
+{% block cover %}
+    <img src="{% gravatar_get_url user 180 %}" class="img-thumbnail" alt="{{ user.get_display_name }}">
+{% endblock %}
diff --git a/pythonz/apps/templates/realms/users/edit.html b/pythonz/apps/templates/realms/users/edit.html
new file mode 100644
index 00000000..08647fee
--- /dev/null
+++ b/pythonz/apps/templates/realms/users/edit.html
@@ -0,0 +1,22 @@
+{% extends "base_edit.html" %}
+{% load sitemessage %}
+
+{% block hint %}
+    <ol>
+        <li>Аватары берутся с сервиса <a href="https://ru.gravatar.com/">Gravatar</a> и привязаны к адресу электронной почты;</li>
+    </ol>
+{%  endblock %}
+
+
+{% block form %}
+    <h3>Подписка</h3>
+    <form class="form-horizontal" role="form" method="post">
+        {% csrf_token %}
+        {% sitemessage_prefs_table from subscr_prefs template "sitemessage/user_prefs_table-bootstrap.html" %}
+
+        <input type="submit" class="btn btn-block btn-success" value="Применить" />
+    </form>
+    <div class="mt-4">
+    {{ block.super }}
+    </div>
+{% endblock %}
diff --git a/pythonz/apps/templates/realms/users/list_item.html b/pythonz/apps/templates/realms/users/list_item.html
new file mode 100644
index 00000000..8e87c0b2
--- /dev/null
+++ b/pythonz/apps/templates/realms/users/list_item.html
@@ -0,0 +1,12 @@
+{% extends "base_list_item.html" %}
+{% load gravatar %}
+
+{% block cover %}<img src="{% gravatar_get_url item 64 %}" class="pull-left img-thumbnail img-rounded" alt="{{ item.title }}">{% endblock %}
+
+{% block info %}<i class="small text-muted">{{ item.username }}</i>{% endblock %}
+
+{% block bottom %}
+    {% if  item.supporters_num > 0 %}
+    <span class="badge badge-success float-right" title = "Одобрившие">{{ item.supporters_num }}</span>
+    {% endif %}
+{% endblock %}
diff --git a/pythonz/apps/templates/realms/users/listing.html b/pythonz/apps/templates/realms/users/listing.html
new file mode 100644
index 00000000..5783344e
--- /dev/null
+++ b/pythonz/apps/templates/realms/users/listing.html
@@ -0,0 +1,5 @@
+{% extends "base_listing.html" %}
+
+{% block page_title %}Пользователи pythonz.net{% endblock %}
+
+{% block bar_right %}{% endblock %}
diff --git a/pythonz/apps/templates/realms/vacancies/list_item.html b/pythonz/apps/templates/realms/vacancies/list_item.html
new file mode 100644
index 00000000..015a09e5
--- /dev/null
+++ b/pythonz/apps/templates/realms/vacancies/list_item.html
@@ -0,0 +1,27 @@
+<div class="listing-item card mb-3">
+    <div class="card-body">
+        {% include "sub/item_cover.html" with thumb_url=item.cover %}
+        <div class="card-title">
+            <a href="{{ item.get_utm_url }}" rel="nofollow">{{ item.title }}</a>
+        </div>
+    </div>
+
+    <div class="card-footer small">
+        {% if item.salary_from %}
+            <span class="badge badge-info float-right">{{ item.get_salary_str }}</span>
+        {% endif %}
+
+        <div class="cl__gray mb-2">
+            <strong>{{ item.employer_name }}</strong>
+            <br>
+            {% if item.place %}
+                {% if item.place.is_published %}
+                    <a href="{{ item.place.get_absolute_url }}">{{ item.place.title }}</a>
+                {% else %}
+                    {{ item.place.title }}
+                {% endif %}
+            {% endif %}
+        </div>
+        <span>{{ item.time_created|date:"d E H:i" }}</span>
+    </div>
+</div>
diff --git a/pythonz/apps/templates/realms/vacancies/listing.html b/pythonz/apps/templates/realms/vacancies/listing.html
new file mode 100644
index 00000000..23a9584e
--- /dev/null
+++ b/pythonz/apps/templates/realms/vacancies/listing.html
@@ -0,0 +1,53 @@
+{% extends "base_listing.html" %}
+
+{% block page_title %}Работа для разработчиков Python{% endblock %}
+
+{% block bar_right %}
+
+    <div class="card border-info mt-3">
+        <div class="card-header">
+            <h5 class="card-title">Как добавить вакансию</h5>
+        </div>
+        <div class="card-body">
+        Вы можете опубликовать вакансию на <a href="https://hh.ru/" rel="nofollow">hh.ru</a>,
+            и, если она имеет отношение к Питону, мы покажем её здесь автоматически.
+        </div>
+    </div>
+
+    <div class="mt-3">
+        <h3>Статистика
+        <sup class="small tooltipped" title="Собрана по данным вакансий, актуальных на текущий момент">
+            <i class="fa fa-question-circle"></i>
+        </sup>
+        </h3><hr>
+    </div>
+
+    <div class="mb-3 small">
+
+        {% include "realms/vacancies/stats_salary.html" %}
+
+        {% if stats_places %}
+            <h4 class="mt-2 ml-2 text-right">Места</h4>
+            <table class="table">
+                <tbody>
+                    {% for stat_row in stats_places %}
+                    <tr>
+                        <td>
+                            {% if stat_row.is_published %}
+                            <a href="{{ stat_row.get_absolute_url }}">{{ stat_row.title }}</a>
+                            {% else %}
+                            {{ stat_row.title }}
+                            {% endif %}
+                        </td>
+                        <td>{{ stat_row.vacancies_count }}</td>
+                    </tr>
+                    {% endfor %}
+                </tbody>
+            </table>
+        {% endif %}
+
+        <div class="clearfix"></div>
+    </div>
+
+
+{% endblock %}
diff --git a/apps/templates/realms/vacancies/stats_salary.html b/pythonz/apps/templates/realms/vacancies/stats_salary.html
similarity index 55%
rename from apps/templates/realms/vacancies/stats_salary.html
rename to pythonz/apps/templates/realms/vacancies/stats_salary.html
index 06539784..688e2daa 100644
--- a/apps/templates/realms/vacancies/stats_salary.html
+++ b/pythonz/apps/templates/realms/vacancies/stats_salary.html
@@ -1,5 +1,5 @@
 {% if stats_salary %}
-    <h4>Зарплата</h4>
+    <h4 class="ml-2 text-right">Зарплата</h4>
     <table class="table">
         <thead>
             <tr>
@@ -10,12 +10,12 @@ <h4>Зарплата</h4>
             </tr>
         </thead>
         <tbody>
-            {% for stat_row in stats_salary %}
+            {% for currency, stat in stats_salary.items %}
             <tr>
-                <th scope="row">{{ stat_row.salary_currency }}</th>
-                <td>{{ stat_row.min }}</td>
-                <td>{{ stat_row.avg }}</td>
-                <td>{{ stat_row.max }}</td>
+                <th scope="row">{{ currency }}</th>
+                <td>{{ stat.min }}</td>
+                <td>{{ stat.avg }}</td>
+                <td>{{ stat.max }}</td>
             </tr>
             {% endfor %}
         </tbody>
diff --git a/pythonz/apps/templates/realms/versions/details.html b/pythonz/apps/templates/realms/versions/details.html
new file mode 100644
index 00000000..da704cbb
--- /dev/null
+++ b/pythonz/apps/templates/realms/versions/details.html
@@ -0,0 +1,50 @@
+{% extends "base_details.html" %}
+
+
+{% block page_title %}Что нового в Python {{ version.title }}{% endblock %}
+
+{% block page_keywords %}{{ block.super }}, python версия {{ version.title }}{% endblock %}
+
+{% block head %}
+    {{ block.super }}
+    {% include "sub/vk_head.html" %}
+{% endblock %}
+
+{% block details_contents %}
+    <div class="pull-right badge badge-info">Дата выпуска: {{ version.date }}</div>
+{% endblock %}
+
+{% block details_contents_add %}
+
+    <div class="mb-3">{{ version.text|safe }}</div>
+
+    {% if added %}
+        <div class="mb-3">
+            <h6>Добавлены</h6>
+            <ul>
+                {% for one in added %}
+                    <li><a href="{{ one.get_absolute_url }}">{{ one.title }}</a></li>
+                {% endfor %}
+            </ul>
+        </div>
+    {% endif %}
+
+    {% if deprecated %}
+        <div class="mb-3">
+            <h6>Устарели</h6>
+            <ul>
+                {% for one in deprecated %}
+                    <li><a href="{{ one.get_absolute_url }}">{{ one.title }}</a></li>
+                {% endfor %}
+            </ul>
+        </div>
+    {% endif %}
+
+    {% if peps %}
+        <div class="mb-3">
+            <h6>Предложения по улучшению (PEP)</h6>
+            {% include "realms/peps/list_items.html" with items=peps %}
+        </div>
+    {% endif %}
+
+{% endblock %}
diff --git a/pythonz/apps/templates/realms/versions/edit.html b/pythonz/apps/templates/realms/versions/edit.html
new file mode 100644
index 00000000..d7e63024
--- /dev/null
+++ b/pythonz/apps/templates/realms/versions/edit.html
@@ -0,0 +1,9 @@
+{% extends "base_edit.html" %}
+
+
+{% block hint %}
+    <ol>
+        <li>Убедитесь, что версия не была добавлена ранее;</li>
+        <li>Добавляйте только существующие, либо уже запланированные версии.</li>
+    </ol>
+{%  endblock %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/realms/versions/lifetime.html b/pythonz/apps/templates/realms/versions/lifetime.html
new file mode 100644
index 00000000..d5e35fac
--- /dev/null
+++ b/pythonz/apps/templates/realms/versions/lifetime.html
@@ -0,0 +1,70 @@
+
+<div class="mt-2 mb-2">
+    <div id="lifetime"></div>
+    <script>
+        {% with versions=realm.model.get_lifetime_data %}
+            {% if versions %}
+
+            Plotly.plot('lifetime', {
+
+                data: [
+                    {% for info in versions.info %}
+                    {
+                      name: '',
+                      x: ['{{ info.since }}', '{{ info.till }}'], y: [{{ info.idx }}, {{ info.idx }}],
+                      marker: {color: 'white'}
+                    },
+                    {% endfor %}
+                ],
+
+                layout: {
+                    title: 'Время жизни версий',
+                    height: 300,
+                    margin: {l: 30, r: 30, b: 35, t: 50, pad: 4},
+                    xaxis: {
+                        type: 'date',
+                        showgrid: false,
+                        range: [{{ versions.range|safe }}],
+                        zeroline: false
+                    },
+                    yaxis: {
+                        ticktext: ['{{ versions.titles|join:"','" }}'],
+                        tickvals: [{{ versions.indexes|join:"," }}],
+                        zeroline: false
+                    },
+                    shapes: [
+                        {
+                            type: 'line',
+                            x0: '{{ versions.now }}', x1: '{{ versions.now }}',
+                            y0: 0, y1: 1,
+                            yref: 'paper',
+                            line: {width: 1.5, color: 'grey', dash: 'dot'}
+                        },
+                        {% for info in versions.info %}
+                        {
+                            type: 'rect',
+                            x0: '{{ info.since }}', x1: '{{ info.till }}',
+                            y0: {{ info.pos1 }}, y1: {{ info.pos2 }},
+                            xref: 'x', yref: 'y',
+                            line: {width: 0},
+                            opacity: 1,
+                            fillcolor: 'green'
+                        },
+                        {% endfor %}
+                    ],
+                    hovermode: 'closest',
+                    showlegend: false
+                },
+
+                config: {
+                    {% include "sub/plotly_config.html" %}
+                }
+
+            });
+
+            {% endif %}
+        {% endwith %}
+
+    </script>
+</div>
+
diff --git a/pythonz/apps/templates/realms/versions/list_item.html b/pythonz/apps/templates/realms/versions/list_item.html
new file mode 100644
index 00000000..2a720e70
--- /dev/null
+++ b/pythonz/apps/templates/realms/versions/list_item.html
@@ -0,0 +1,10 @@
+{% extends "base_list_item.html" %}
+
+{% block info %}{% if item.current %}<div class="badge badge-primary">Актуальная</div>{% endif %}{% endblock %}
+
+{% block bottom %}
+    <span>{{ item.date }}</span>
+    {% if  item.supporters_num > 0 %}
+    <span class="badge badge-success float-right" title = "Одобрившие">{{ item.supporters_num }}</span>
+    {% endif %}
+{% endblock %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/realms/versions/listing.html b/pythonz/apps/templates/realms/versions/listing.html
new file mode 100644
index 00000000..5d591464
--- /dev/null
+++ b/pythonz/apps/templates/realms/versions/listing.html
@@ -0,0 +1,13 @@
+{% extends "base_listing.html" %}
+
+{% block head %}
+    {{ block.super }}
+    {% include "sub/plotly.html" %}
+{% endblock %}
+
+{% block page_title %}Версии Python и срок поддержки{% endblock %}
+
+{% block page_contents_pre %}
+    {{ block.super }}
+    {% include "realms/versions/lifetime.html" %}
+{% endblock %}
diff --git a/pythonz/apps/templates/realms/videos/details.html b/pythonz/apps/templates/realms/videos/details.html
new file mode 100644
index 00000000..40f86d4e
--- /dev/null
+++ b/pythonz/apps/templates/realms/videos/details.html
@@ -0,0 +1,39 @@
+{% extends "base_details.html" %}
+{% load model_field thumbs etc_misc %}
+
+
+{% block page_keywords %}{{ block.super }}, {{ video.title }} видео, {{ video.title }} смотреть{% endblock %}
+
+
+{% block meta_og %}
+    <meta property="og:type" content="video.other" />
+    <meta property="og:title" content="{{ video.title }}" />
+    <meta property="og:actor" content="{{ video.author }}" />
+    <meta property="og:release_date" content="{{ video.year }}" />
+    {{ block.super }}
+{% endblock %}
+
+
+{% block schema_type %}VideoObject{% endblock %}
+
+
+{% block details_contents %}
+    <meta itemprop="uploadDate" content="{{ video.time_published|date:"c" }}" />
+    <meta itemprop="thumbnailUrl" content="{% site_url %}{% thumbs_get_thumb_url video.cover 180 236 item.realm %}" />
+
+    <div class="embed-responsive embed-responsive-16by9">
+        {{ video.code|safe }}
+    </div>
+
+    <div class="mt-2 mb-3 text-muted">
+        <small>
+            <span class="mr-3">{% model_field_verbose_name from video.year %}: {{ video.year }}</span>
+            <span class="mr-3">
+                {% model_field_verbose_name from video.author %}: {% include "sub/persons_links.html" with persons=video.authors.all %}
+            </span>
+            {%  if video.translator %}
+                <span class="py_user">{% model_field_verbose_name from video.translator %}: {{ video.translator }}</span>
+            {% endif %}
+        </small>
+    </div>
+{%  endblock %}
\ No newline at end of file
diff --git a/apps/templates/realms/videos/edit.html b/pythonz/apps/templates/realms/videos/edit.html
similarity index 100%
rename from apps/templates/realms/videos/edit.html
rename to pythonz/apps/templates/realms/videos/edit.html
diff --git a/pythonz/apps/templates/realms/videos/index_card.html b/pythonz/apps/templates/realms/videos/index_card.html
new file mode 100644
index 00000000..0a71aaa2
--- /dev/null
+++ b/pythonz/apps/templates/realms/videos/index_card.html
@@ -0,0 +1,7 @@
+{% extends "sub/realm_card_main.html" %}
+
+{% block cover %}
+<div class="embed-responsive embed-responsive-16by9">
+    {{ item.code|safe }}
+</div>
+{% endblock %}
diff --git a/apps/templates/sitemessage/messages/base.html b/pythonz/apps/templates/sitemessage/messages/base.html
similarity index 100%
rename from apps/templates/sitemessage/messages/base.html
rename to pythonz/apps/templates/sitemessage/messages/base.html
diff --git a/apps/templates/sitemessage/messages/digest__smtp.html b/pythonz/apps/templates/sitemessage/messages/digest__smtp.html
similarity index 91%
rename from apps/templates/sitemessage/messages/digest__smtp.html
rename to pythonz/apps/templates/sitemessage/messages/digest__smtp.html
index 04a290e2..2d4094ca 100644
--- a/apps/templates/sitemessage/messages/digest__smtp.html
+++ b/pythonz/apps/templates/sitemessage/messages/digest__smtp.html
@@ -10,7 +10,7 @@ <h3>{{ realm_name }}</h3>
                     {% for entry in entries %}
                         <li style="margin-bottom: 10px;">
                             <a href="{{ entry.absolute_url }}">{{ entry.title }}</a>
-                            <div style="font-size:12px;color:#666;margin-top:5px;"><i>{{ entry.description }}</i></div>
+                            <div style="font-size:12px;color:#666;margin-top:5px;"><i>{{ entry.get_description|safe }}</i></div>
                         </li>
                     {% endfor %}
                 </ul>
diff --git a/pythonz/apps/templates/sitemessage/messages/new_entity__smtp.html b/pythonz/apps/templates/sitemessage/messages/new_entity__smtp.html
new file mode 100644
index 00000000..4ffe22fe
--- /dev/null
+++ b/pythonz/apps/templates/sitemessage/messages/new_entity__smtp.html
@@ -0,0 +1,7 @@
+{% extends "sitemessage/messages/base.html" %}
+{% load etc_misc %}
+
+
+{% block contents %}
+    <p>Новое на сайте: <a href="{% site_url %}{{ entity_url }}">{{ entity_title }}</a>.</p>
+{% endblock %}
diff --git a/pythonz/apps/templates/sitemessage/messages/simple__smtp.html b/pythonz/apps/templates/sitemessage/messages/simple__smtp.html
new file mode 100644
index 00000000..756671aa
--- /dev/null
+++ b/pythonz/apps/templates/sitemessage/messages/simple__smtp.html
@@ -0,0 +1,9 @@
+{% extends "sitemessage/messages/base.html" %}
+
+{% block contents %}
+    {% if contents %}
+        {{ contents|safe|linebreaksbr|urlize }}
+    {% else %}
+        {{ text|safe }}
+    {% endif %}
+{% endblock %}
diff --git a/pythonz/apps/templates/sitetree/crumbs.html b/pythonz/apps/templates/sitetree/crumbs.html
new file mode 100644
index 00000000..366b15f4
--- /dev/null
+++ b/pythonz/apps/templates/sitetree/crumbs.html
@@ -0,0 +1,22 @@
+{% load sitetree %}
+{% if sitetree_items|length == 1 %}
+{% else %}
+<nav aria-label="breadcrumb" class="breadcrumbs small">
+    <ol class="breadcrumb bg-light" vocab="https://schema.org/" typeof="BreadcrumbList">
+        {% for item in sitetree_items %}
+            {% if not forloop.last %}
+                <li class="breadcrumb-item" property="itemListElement" typeof="ListItem">
+                    <a property="item" typeof="WebPage" href="{% sitetree_url for item %}">
+                        <span property="name">{{ item.title_resolved }}</span></a>
+                    <meta property="position" content="{{ forloop.counter }}">
+                </li>
+            {% else %}
+                <li class="breadcrumb-item active" aria-current="page" property="itemListElement" typeof="ListItem">
+                    <span property="name">{{ item.title_resolved }}</span>
+                    <meta property="position" content="{{ forloop.counter }}">
+                </li>
+            {% endif %}
+        {% endfor %}
+    </ol>
+</nav>
+{% endif %}
diff --git a/pythonz/apps/templates/sitetree/menu_dropdown.html b/pythonz/apps/templates/sitetree/menu_dropdown.html
new file mode 100644
index 00000000..8f14e20a
--- /dev/null
+++ b/pythonz/apps/templates/sitetree/menu_dropdown.html
@@ -0,0 +1,6 @@
+{% load sitetree %}
+<div class="dropdown-menu dropdown-menu-right" aria-labelledby="navitem-{{ item.id }}">
+    {% for item in sitetree_items %}
+        <a class="dropdown-item {% if item.is_current or item.in_current_branch %}active{% endif %}" href="{% sitetree_url for item %}" {% if item.hint %}title="{{ item.hint }}"{% endif %}>{{ item.title_resolved }}</a>
+    {% endfor %}
+</div>
\ No newline at end of file
diff --git a/apps/templates/sitetree/menu_footer.html b/pythonz/apps/templates/sitetree/menu_footer.html
similarity index 100%
rename from apps/templates/sitetree/menu_footer.html
rename to pythonz/apps/templates/sitetree/menu_footer.html
diff --git a/pythonz/apps/templates/sitetree/menu_top.html b/pythonz/apps/templates/sitetree/menu_top.html
new file mode 100644
index 00000000..6a8295bf
--- /dev/null
+++ b/pythonz/apps/templates/sitetree/menu_top.html
@@ -0,0 +1,26 @@
+{% load sitetree %}
+<ul class="navbar-nav mr-auto">
+
+    {% for item in sitetree_items %}
+        {% if item.show_on_top %}
+            <li class="nav-item {% if item.is_current or item.in_current_branch %}active{% endif %}">
+                <a class="nav-link" href="{% sitetree_url for item %}">{{ item.title_resolved }}</a>
+            </li>
+        {% endif %}
+    {% endfor %}
+
+    <li class="nav-item dropdown">
+        <a href="#" class="nav-link {% if item.is_current or item.in_current_branch %}active{% endif %} dropdown-toggle" aria-haspopup="true" id="navitem-{{ item.id }}" data-toggle="dropdown">
+            Ещё&hellip;</a>
+
+        <div class="dropdown-menu" aria-labelledby="navitem-{{ item.id }}">
+        {% for item in sitetree_items %}
+            {% if not item.show_on_top %}
+                <a class="dropdown-item {% if item.is_current or item.in_current_branch %}active{% endif %}" href="{% sitetree_url for item %}">{{ item.title_resolved }}</a>
+            {% endif %}
+        {% endfor %}
+        </div>
+
+    </li>
+
+</ul>
\ No newline at end of file
diff --git a/pythonz/apps/templates/sitetree/menu_top_sub.html b/pythonz/apps/templates/sitetree/menu_top_sub.html
new file mode 100644
index 00000000..e177814a
--- /dev/null
+++ b/pythonz/apps/templates/sitetree/menu_top_sub.html
@@ -0,0 +1,8 @@
+{% load sitetree %}
+<ul class="navbar-nav">
+    {% for item in sitetree_items %}
+        <li class="nav-item {% if item.is_current or item.in_current_branch %}active{% endif %}">
+            <a class="nav-link" href="{% sitetree_url for item %}">{{ item.title_resolved }}</a>
+        </li>
+    {% endfor %}
+</ul>
\ No newline at end of file
diff --git a/apps/templates/static/403.html b/pythonz/apps/templates/static/403.html
similarity index 100%
rename from apps/templates/static/403.html
rename to pythonz/apps/templates/static/403.html
diff --git a/apps/templates/static/404.html b/pythonz/apps/templates/static/404.html
similarity index 51%
rename from apps/templates/static/404.html
rename to pythonz/apps/templates/static/404.html
index 762ba268..03d14c65 100644
--- a/apps/templates/static/404.html
+++ b/pythonz/apps/templates/static/404.html
@@ -8,7 +8,7 @@
 
 
 {% block body %}
-    Мы не можем показать вам запрошенную вами страницу и потому показываем эту.<br>
-    Возможно запрашиваемая страница была удалена, или перемещена, или вовсе не существовала.<br>
-    Удостоверьтесь в правильности ссылки, попробуйте воспользоваться поиском.
+    <p>Мы не можем показать вам запрошенную вами страницу и потому показываем эту.<br>
+    Возможно запрашиваемая страница была удалена, или перемещена, или вовсе не существовала.</p>
+    <p>Удостоверьтесь в правильности ссылки, попробуйте воспользоваться поиском.</p>
 {% endblock %}
diff --git a/pythonz/apps/templates/static/500.html b/pythonz/apps/templates/static/500.html
new file mode 100644
index 00000000..5725c734
--- /dev/null
+++ b/pythonz/apps/templates/static/500.html
@@ -0,0 +1,14 @@
+{% extends "static/_base.html" %}
+
+
+{% block page_title %}{{ block.super }}500 Ошибка сервера{% endblock %}
+
+
+{% block heading %}500 Ошибка сервера{% endblock %}
+
+
+{% block body %}
+    <p>Похоже, что у нас проблемы. На сервере произошла ошибка.</p>
+    <p>Скорее всего мы уже знаем об этом и вероятно даже занимаемся решеним проблемы.<br>
+    Вы же можете попробовать повторить запрос немного позже.<p>
+{% endblock %}
diff --git a/pythonz/apps/templates/static/_base.html b/pythonz/apps/templates/static/_base.html
new file mode 100644
index 00000000..0647b5c9
--- /dev/null
+++ b/pythonz/apps/templates/static/_base.html
@@ -0,0 +1,33 @@
+{% extends "_base.html" %}
+
+{% block page_description %}{% endblock %}
+
+{% block page_title %}на pythonz.net{% endblock %}
+
+{% block page_contents %}
+
+    {% block heading_wrap %}
+    <div class="page-header mb-5">
+        <h1 data-geopattern="i">{% block heading %}{% endblock %}</h1>
+    </div>
+    {% endblock %}
+
+    <div class="row mb-4">
+
+        <div class="col-8">
+            {% block body %}{% endblock %}
+        </div>
+
+        <div class="col">
+            {% block ads %}
+                {% include "sub/box_ads.html" with area="rightbar" %}
+            {% endblock %}
+        </div>
+
+    </div>
+
+    <div class="clearfix"></div>
+
+    {% block zen %}{% include "sub/zen.html" %}{% endblock %}
+
+{%  endblock %}
diff --git a/apps/templates/static/_base_sitetreed.html b/pythonz/apps/templates/static/_base_sitetreed.html
similarity index 68%
rename from apps/templates/static/_base_sitetreed.html
rename to pythonz/apps/templates/static/_base_sitetreed.html
index 3a1384cf..2210829d 100644
--- a/apps/templates/static/_base_sitetreed.html
+++ b/pythonz/apps/templates/static/_base_sitetreed.html
@@ -1,11 +1,6 @@
 {% extends "static/_base.html" %}
 {% load sitetree %}
 
-
-{% block page_title %}{{ block.super }}{% sitetree_page_title from "about" %}{% endblock %}
-
-
+{% block page_title %}{% sitetree_page_title from "about" %} {{ block.super }}{% endblock %}
 {% block page_description %}{% sitetree_page_description from "about" %}{% endblock %}
-
-
 {% block heading %}{% sitetree_page_title from "about" %}{% endblock %}
diff --git a/pythonz/apps/templates/static/about.html b/pythonz/apps/templates/static/about.html
new file mode 100644
index 00000000..0bd7ecdd
--- /dev/null
+++ b/pythonz/apps/templates/static/about.html
@@ -0,0 +1,65 @@
+{% extends "static/_base_sitetreed.html" %}
+
+{% block page_title %}О проекте pythonz.net{% endblock %}
+
+{% block body %}
+    <div itemscope itemtype="https://schema.org/AboutPage">
+        <p>
+            Это площадка для русскоязычного сообщества людей, создающих приложения при помощи
+            языка программирования Python, и попытка заинтересовать тех, кто ещё не знаком с ним.<br><br>
+            <i>Приходите, приводите друзей.</i>
+        </p>
+
+        <div>
+            <div class="mt-4">
+
+                <div class="mb-4">
+                    <h4>Посетителям</h4>
+                    <p>
+                        Регистрируйтесь, оценивайте материалы, добавляйте новые, актуализируйте информацию в имеющихся, принимайте участие в обсуждениях.
+                    </p>
+                </div>
+
+                <div class="mb-4">
+                    <h4>Разработчикам</h4>
+                    <p>
+                        Проект разрабатывается открыто: вы можете посетить <a href="https://github.com/idlesign/pythonz/">страницу проекта на GitHub</a>,
+                        ознакомится с кодом и поучаствовать в развитии &#8212; поделиться идеей, задать вопрос, расширить функциональность, исправить ошибку.<br>
+                    </p>
+                </div>
+
+                <div class="mb-4">
+                    <h4>Безопасность</h4>
+                    <p>
+                        В случае обнаружения проблемы безопасности в проекте, пожалуйста, сообщите о ней
+                        на адрес <a href="mailto:security@pythonz.net">security@pythonz.net</a> до обнародования.
+                    </p>
+                    <p>
+                        В письме желательно указать на место в коде, ответственное за уязвимость. Хорошо, если вы также приведёте пример эксплуатации найденной уязвимости.
+                    </p>
+                </div>
+
+                <div class="mb-4">
+                    <h4>Про вандализм</h4>
+                    <p>
+                        <a href="/articles/310/">Предполагается</a>, что посетители сайта заинтересованы в конструктивном общении и поддержании благожелательной атмосферы.
+                    </p>
+                    <p>
+                        Поэтому к совершающим любые деструктивные действия на площадке сайта и связанных проектов
+                        будут, при обнаружении факта упомянутых действий, <b>без дополнительных предупреждений</b> применены меры
+                        в виде ограничения прав доступа к упомянутым здесь ресурсам и/или их функциональности.
+                    </p>
+                    <p>
+                        К деструктивным действиям можно отнести, например: использование нецензурной лексики,
+                        оскорбление других пользователей, порча опубликованных материалов.
+                    </p>
+                </div>
+
+            </div>
+        </div>
+
+    </div>
+{% endblock %}
+
+
+{% block zen %}{% endblock %}
diff --git a/apps/templates/static/login.html b/pythonz/apps/templates/static/login.html
similarity index 60%
rename from apps/templates/static/login.html
rename to pythonz/apps/templates/static/login.html
index bfcf7d4a..4637705a 100644
--- a/apps/templates/static/login.html
+++ b/pythonz/apps/templates/static/login.html
@@ -9,15 +9,10 @@
 
 
 {% block body %}
-    <div class="row marg__b_max">
-        <div class="col-md-6">
+    <div class="row mb-4">
+        <div class="col-md-12">
             <div class="page-header"><h2>Вход</h2></div>
             {% sitegate_signin_form %}
         </div>
-
-        <div class="col-md-6">
-            <div class="page-header"><h2>Регистрация</h2></div>
-            {% sitegate_signup_form %}
-        </div>
     </div>
 {% endblock %}
diff --git a/pythonz/apps/templates/static/promo.html b/pythonz/apps/templates/static/promo.html
new file mode 100644
index 00000000..d42500f9
--- /dev/null
+++ b/pythonz/apps/templates/static/promo.html
@@ -0,0 +1,122 @@
+{% extends "static/_base_sitetreed.html" %}
+{% load sitetree %}
+
+
+{% block page_contents %}
+
+    <div class="page-header">
+        <h1 data-geopattern="i">{% sitetree_page_title from "about" %}</h1>
+    </div>
+
+    <div class="mt-4 mb-4">
+        Python &#8212; высокоуровневый язык программирования с динамической типизацией, поддерживающий объектно-ориентированный,
+        функциональный и императивный стили программирования. Это язык общего назначения, на котором можно
+        одинаково успешно разрабатывать системные приложения с графическим интерфейсом, утилиты командной строки, научные приложения, игры, приложения для веб и много другое.
+    </div>
+
+
+    <div id="carousel-promo" class="carousel slide p-4 rounded bg-light" data-ride="carousel">
+
+        <div class="carousel-inner">
+            <div class="carousel-item active">
+
+                <svg class="d-block w-100" width="100%" height="250" xmlns="https://www.w3.org/2000/svg" preserveAspectRatio="xMidYMid slice" focusable="false">
+                    <rect fill="#fafafa" width="100%" height="100%"></rect></svg>
+
+                <div class="carousel-caption text-body">
+                    <i class="fa fa-trophy fa-3x mb-4"></i>
+                    <h5>Простота изучения</h5>
+                    <p>Благодаря лаконичности и отличной документированности изучать Python увлекательно и просто.</p>
+                </div>
+
+            </div>
+            <div class="carousel-item">
+
+                <svg class="d-block w-100" width="100%" height="250" xmlns="https://www.w3.org/2000/svg" preserveAspectRatio="xMidYMid slice" focusable="false">
+                    <rect fill="#fafafa" width="100%" height="100%"></rect></svg>
+
+                <div class="carousel-caption text-body">
+                    <i class="fa fa-line-chart fa-3x mb-4"></i>
+                    <h5>Эффективность</h5>
+                    <p>Python позволяет быстро и эффективно разрабатывать программное обеспечение, а значит повысить продуктивность разработчика и снизить затраты на поддержку.</p>
+                </div>
+
+            </div>
+            <div class="carousel-item">
+
+                <svg class="d-block w-100" width="100%" height="250" xmlns="https://www.w3.org/2000/svg" preserveAspectRatio="xMidYMid slice" focusable="false">
+                    <rect fill="#fafafa" width="100%" height="100%"></rect></svg>
+
+                <div class="carousel-caption text-body">
+                    <i class="fa fa-users fa-3x mb-4"></i>
+                    <h5>Сообщество</h5>
+                    <p>Сообщество Python основывается на уважении и взаимопомощи: здесь привыкли помогать и советом, и делом.</p>
+                </div>
+
+            </div>
+
+            <div class="carousel-item">
+
+                <svg class="d-block w-100" width="100%" height="250" xmlns="https://www.w3.org/2000/svg" preserveAspectRatio="xMidYMid slice" focusable="false">
+                    <rect fill="#fafafa" width="100%" height="100%"></rect></svg>
+
+                <div class="carousel-caption text-body">
+                    <i class="fa fa-battery-full fa-3x mb-4"></i>
+                    <h5>Батарейки в комплекте</h5>
+                    <p>Богатая стандартная библиотека чрезвычайно облегчает решение многих задач. Дополнительные модули, доступные в сети, помогут решить практически любую задачу.</p>
+                </div>
+
+            </div>
+            <div class="carousel-item">
+
+                <svg class="d-block w-100" width="100%" height="250" xmlns="https://www.w3.org/2000/svg" preserveAspectRatio="xMidYMid slice" focusable="false">
+                    <rect fill="#fafafa" width="100%" height="100%"></rect></svg>
+
+                <div class="carousel-caption text-body">
+                    <i class="fa fa-ticket fa-3x mb-4"></i>
+                    <h5>Открытая лицензия</h5>
+                    <p>Лицензия Python является открытой и позволяет использовать его для создания коммерческих продуктов.</p>
+                </div>
+
+            </div>
+            <div class="carousel-item">
+
+                <svg class="d-block w-100" width="100%" height="250" xmlns="https://www.w3.org/2000/svg" preserveAspectRatio="xMidYMid slice" focusable="false">
+                    <rect fill="#fafafa" width="100%" height="100%"></rect></svg>
+
+                <div class="carousel-caption text-body">
+                    <i class="fa fa-desktop fa-3x mb-4"></i>
+                    <h5>Кроссплатформенность</h5>
+                    <p>Python работает на множестве операционных систем семейств Linux, Unix, OS X, Windows и др.</p>
+                </div>
+
+            </div>
+
+        </div>
+
+        <a class="carousel-control-prev text-body" href="#carousel-promo" role="button" data-slide="prev">
+            <span class="fa fa-chevron-left" aria-hidden="true"></span><span class="sr-only">Обратно</span>
+        </a>
+        <a class="carousel-control-next text-body" href="#carousel-promo" role="button" data-slide="next">
+            <span class="fa fa-chevron-right" aria-hidden="true"></span><span class="sr-only">Вперёд</span>
+        </a>
+
+    </div>
+
+    <div class="mt-5 mb-4">
+        <p>
+            Если вы используете операционные системы семейств Linux, Unix, или OS X, то Python у вас уже установлен.<br>
+            В остальных случаях, можете скачать установочный пакет или архив с исходным кодом нужной версии из раздела <a href="/versions/">Версии Python</a>.
+        </p>
+        <p>Откройте окно терминала, наберите <code>python</code>, нажмите клавишу <kbd>Enter</kbd>, чтобы перейти в интерактивный режим работы интерпретатора и узнать, какая версия Питона установлена:</p>
+        <pre><code class="bash">
+$ python3<br><br>
+
+Python 3.13.3 (main, Jun 16 2025, 18:15:32) [GCC 14.2.0] on linux<br>
+Type "help", "copyright", "credits" or "license" for more information.<br>
+>>>
+        </code></pre>
+        <p>Нажмите <kbd>Ctrl+D</kbd>, чтобы покинуть интерактивный режим.</p>
+    </div>
+
+{%  endblock %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/static/search.html b/pythonz/apps/templates/static/search.html
new file mode 100644
index 00000000..b9035c0f
--- /dev/null
+++ b/pythonz/apps/templates/static/search.html
@@ -0,0 +1,27 @@
+{% extends "static/_base_sitetreed.html" %}
+
+{% block body %}
+    <div class="mb-3">{% include "sub/box_ads.html" with area="searchtop" %}</div>
+    <div class="mb-3 small">Количество результатов: {{ results_len }}</div>
+    <div class="ml-3 mb-3" itemscope itemtype="https://schema.org/SearchResultsPage">
+        {% if results_len %}
+            <ol>
+            {% for result in results %}
+                <li class="mt-3">
+                    <h4><a href="{{ result.get_absolute_url }}">{{ result.title }}</a></h4>
+                    <div class="mt-1"><i>{{ result.description }}</i></div>
+                </li>
+            {% endfor %}
+            </ol>
+        {% else %}
+            <div class="alert alert-warning" role="alert">К сожалению, ничего не найдено.</div>
+        {% endif %}
+    </div>
+    <div>{% include "sub/box_ads.html" with area="searchbottom" %}</div>
+{%  endblock %}
+
+{% block zen %}{% endblock %}
+
+{% block ads %}
+    {% include "sub/box_ads.html" with area="rightbar" type="search" %}
+{% endblock %}
diff --git a/apps/templates/static/search_site.html b/pythonz/apps/templates/static/search_site.html
similarity index 58%
rename from apps/templates/static/search_site.html
rename to pythonz/apps/templates/static/search_site.html
index f751ac77..21f29775 100644
--- a/apps/templates/static/search_site.html
+++ b/pythonz/apps/templates/static/search_site.html
@@ -1,7 +1,17 @@
 {% extends "static/_base_sitetreed.html" %}
 
 {% block body %}
-    {% include "sub_search_bar.html" %}
+    <div class="mb-3">{% include "sub/box_ads.html" with area="searchtop" %}</div>
+    <div class="mb-3" itemscope itemtype="https://schema.org/SearchResultsPage">
+    {% include "sub/search_bar.html" %}
     <div id="ya-site-results" onclick="return {'tld': 'ru','language': 'ru','encoding': '','htmlcss': '1.x','updatehash': true}"></div>
     <script type="text/javascript">(function(w,d,c){var s=d.createElement('script'),h=d.getElementsByTagName('script')[0];s.type='text/javascript';s.async=true;s.charset='utf-8';s.src=(d.location.protocol==='https:'?'https:':'http:')+'//site.yandex.net/v2.0/js/all.js';h.parentNode.insertBefore(s,h);(w[c]||(w[c]=[])).push(function(){Ya.Site.Results.init();})})(window,document,'yandex_site_callbacks');</script>
-{%  endblock %}
\ No newline at end of file
+    </div>
+    <div>{% include "sub/box_ads.html" with area="searchbottom" %}</div>
+{%  endblock %}
+
+{% block zen %}{% endblock %}
+
+{% block ads %}
+    {% include "sub/box_ads.html" with area="rightbar" type="search" %}
+{% endblock %}
diff --git a/apps/templates/static/sitemap.html b/pythonz/apps/templates/static/sitemap.html
similarity index 100%
rename from apps/templates/static/sitemap.html
rename to pythonz/apps/templates/static/sitemap.html
diff --git a/pythonz/apps/templates/sub/author_editor.html b/pythonz/apps/templates/sub/author_editor.html
new file mode 100644
index 00000000..aed99725
--- /dev/null
+++ b/pythonz/apps/templates/sub/author_editor.html
@@ -0,0 +1,12 @@
+<div class="small">
+{% if item.submitter %}
+    <span class="mr-3">
+    <a href="{{ item.submitter.get_absolute_url }}" class="tooltipped" title="Добавил: {{ item.submitter.get_display_name }}">
+        <i class="fa fa-fw fa-user"></i>{{ item.time_created|date:"d b. y H:i" }}</a>
+    </span>
+{% endif %}
+{% if item.was_edited %}
+    <a href="{{ item.last_editor.get_absolute_url }}" class="tooltipped" title="Редактировал: {{ item.last_editor.get_display_name }}">
+        <i class="fa fa-fw fa-pencil"></i>{{ item.time_modified|date:"d b. y H:i" }}</a>
+{% endif %}
+</div>
diff --git a/pythonz/apps/templates/sub/box_ads.html b/pythonz/apps/templates/sub/box_ads.html
new file mode 100644
index 00000000..a0f5b591
--- /dev/null
+++ b/pythonz/apps/templates/sub/box_ads.html
@@ -0,0 +1,82 @@
+{% if area == "rightbar" %}
+
+    <div class="sticky">
+    {% if type == "details" %}<!-- Yandex.RTB R-A-247489-2 -->
+
+        <div id="yandex_rtb_R-A-247489-2">{% include "sub/box_ads_stub.html" %}</div>
+        <script type="text/javascript">
+            yaAd({
+                blockId: "R-A-247489-2",
+                renderTo: "yandex_rtb_R-A-247489-2",
+            })
+        </script>
+
+    {% elif type == "search" %}<!-- Yandex.RTB R-A-247489-3 -->
+
+        <div id="yandex_rtb_R-A-247489-3">{% include "sub/box_ads_stub.html" %}</div>
+        <script type="text/javascript">
+            yaAd({
+                blockId: "R-A-247489-3",
+                renderTo: "yandex_rtb_R-A-247489-3",
+            })
+        </script>
+
+    {% else %}<!-- Yandex.RTB R-A-247489-1 -->
+
+        <div id="yandex_rtb_R-A-247489-1">{% include "sub/box_ads_stub.html" %}</div>
+        <script type="text/javascript">
+            yaAd({
+                blockId: "R-A-247489-1",
+                renderTo: "yandex_rtb_R-A-247489-1",
+            })
+        </script>
+
+    {% endif %}
+    </div>
+
+{% elif area == "searchtop" %}<!-- Yandex.Premium P-A-247488-1 -->
+
+<div id="yandex_direct_P-A-247488-1">{% include "sub/box_ads_stub.html" %}</div>
+<script type="text/javascript">
+    yaAd({
+        blockId: "P-A-247488-1",
+        renderTo: "yandex_direct_P-A-247488-1",
+        searchText: getGet('text', '{{ search_term }}'),
+        searchPageNumber: parseInt(getGet('p', 1))
+    });
+</script>
+
+{% elif area == "searchbottom" %}<!-- Yandex.Direct D-A-247488-2 -->
+
+<div id="yandex_direct_D-A-247488-2">{% include "sub/box_ads_stub.html" %}</div>
+<script type="text/javascript">
+    yaAd({
+        blockId: "D-A-247488-2",
+        renderTo: "yandex_direct_D-A-247488-2",
+        searchText: getGet('text', '{{ search_term }}'),
+        searchPageNumber: parseInt(getGet('p', 1))
+    });
+</script>
+
+{% elif area == "ide" %}<!-- Yandex.RTB R-A-247489-7 -->
+
+<div id="yandex_rtb_R-A-247489-7">{% include "sub/box_ads_stub.html" %}</div>
+<script type="text/javascript">
+    yaAd({
+        blockId: "R-A-247489-7",
+        renderTo: "yandex_rtb_R-A-247489-7",
+    })
+</script>
+
+
+{% elif area == "maintop" %}<!-- Yandex.RTB R-A-247489-8 -->
+
+<div id="yandex_rtb_R-A-247489-8">{% include "sub/box_ads_stub.html" %}</div>
+<script type="text/javascript">
+    yaAd({
+        blockId: "R-A-247489-8",
+        renderTo: "yandex_rtb_R-A-247489-8",
+    })
+</script>
+
+{% endif %}
diff --git a/pythonz/apps/templates/sub/box_ads_stub.html b/pythonz/apps/templates/sub/box_ads_stub.html
new file mode 100644
index 00000000..e9f2a0c1
--- /dev/null
+++ b/pythonz/apps/templates/sub/box_ads_stub.html
@@ -0,0 +1,5 @@
+{% if debug %}
+<div class="card text-center"><div class="card-body p-5">
+    место для навязчивой рекламы
+</div></div>
+{% endif %}
diff --git a/pythonz/apps/templates/sub/box_bookmark.html b/pythonz/apps/templates/sub/box_bookmark.html
new file mode 100644
index 00000000..44b9921f
--- /dev/null
+++ b/pythonz/apps/templates/sub/box_bookmark.html
@@ -0,0 +1,14 @@
+{% load model_meta %}
+<div id="bookmark_box" class="block ml-2">
+    {% if request.user.is_authenticated %}
+        {% if item.is_bookmarked %}
+        <button id="toggle-bookmark" hx-post hx-vals='{"action": 0}' hx-swap="outerHTML" hx-target="#bookmark_box" class="btn btn-warning" title="{% model_meta_verbose_name item %} в избранном. Нажмите для отмены."><i class="fa fa-bookmark"></i></button>
+        {% else %}
+        <button id="toggle-bookmark" hx-post hx-vals='{"action": 1}' hx-swap="outerHTML" hx-target="#bookmark_box" class="btn btn-light" title="Нажмите, чтобы поместить в избранные {% model_meta_verbose_name_plural item %}."><i class="fa fa-bookmark-o"></i></button>
+        {% endif %}
+
+    {% else %}
+        <a href="{% url "login" %}" class="btn btn-light" title="Нажмите, чтобы поместить в избранные {% model_meta_verbose_name_plural item %}.">
+            <i class="fa fa-bookmark-o"></i></a>
+    {% endif %}
+</div>
diff --git a/pythonz/apps/templates/sub/box_controls.html b/pythonz/apps/templates/sub/box_controls.html
new file mode 100644
index 00000000..6ef3d541
--- /dev/null
+++ b/pythonz/apps/templates/sub/box_controls.html
@@ -0,0 +1,5 @@
+{% if item_edit_allowed %}
+<div class="btn-group float-right mt-1 mr-1">
+    <a href="{% url realm.get_edit_urlname item.id %}" class="btn btn-sm btn-success" role="button" title="Редактировать"><i class="fa fa-pencil"></i></a>
+</div>
+{% endif %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/sub/box_rating.html b/pythonz/apps/templates/sub/box_rating.html
new file mode 100644
index 00000000..024b2b72
--- /dev/null
+++ b/pythonz/apps/templates/sub/box_rating.html
@@ -0,0 +1,18 @@
+<div id="rate_box" class="text-center mb-2 block">
+    {% if request.user.is_authenticated %}
+        {% if item.my_support %}
+            <button id="set-rate" hx-post hx-vals='{"action": 0}' hx-swap="outerHTML" hx-target="#rate_box" class="btn btn-success" title="Сбросить одобрение">
+                &nbsp; <span class="badge badge-success">{{ item.supporters_num }}</span> &nbsp;<i class="fa fa-thumbs-o-down"></i>
+
+            </button>
+        {% else %}
+            <button id="set-rate" hx-post hx-vals='{"action": 1}' hx-swap="outerHTML" hx-target="#rate_box" class="btn btn-light" title="Одобряю!">
+                &nbsp; <span class="badge badge-success">{{ item.supporters_num }}</span> &nbsp;<i class="fa fa-thumbs-o-up"></i>
+            </button>
+        {% endif %}
+    {% else %}
+            <a href="{% url "login" %}" class="btn btn-light" title="Одобряю!">
+                &nbsp; <span class="badge badge-success">{{ item.supporters_num }}</span> &nbsp;<i class="fa fa-thumbs-o-up"></i>
+            </a>
+    {% endif %}
+</div>
diff --git a/pythonz/apps/templates/sub/box_recommend.html b/pythonz/apps/templates/sub/box_recommend.html
new file mode 100644
index 00000000..13cf16ec
--- /dev/null
+++ b/pythonz/apps/templates/sub/box_recommend.html
@@ -0,0 +1,8 @@
+<script async src="https://an.yandex.ru/system/widget.js"></script>
+<script>
+    (yaads = window.yaads || []).push({
+        id: '{{ block_id }}',
+        render: '#reco-{{ block_id }}'
+    });
+</script>
+<div id="reco-{{ block_id }}" class="mt-2 mb-2">{% include "sub/box_ads_stub.html" %}</div>
diff --git a/pythonz/apps/templates/sub/box_share.html b/pythonz/apps/templates/sub/box_share.html
new file mode 100644
index 00000000..3a7e19c5
--- /dev/null
+++ b/pythonz/apps/templates/sub/box_share.html
@@ -0,0 +1,15 @@
+<!--noindex-->
+<div id="box-share" class="mt-4 mb-3">
+    {% if item_rating_allowed %}
+        {% include "sub/box_rating.html" %}
+    {% endif %}
+
+    {% include "sub/box_bookmark.html" %}
+
+    <script src="//yastatic.net/share2/share.js"></script>
+    <div class="float-right">
+        <div class="ya-share2 ml-auto" data-services="vkontakte,odnoklassniki,moimir,gplus,telegram,blogger,delicious,digg,reddit,linkedin,lj,viber,whatsapp,skype" data-limit="7" data-counter=""></div>
+    </div>
+    <div class="clearfix"></div>
+</div>
+<!--/noindex-->
diff --git a/apps/templates/sub_box_tags.html b/pythonz/apps/templates/sub/box_tags.html
similarity index 81%
rename from apps/templates/sub_box_tags.html
rename to pythonz/apps/templates/sub/box_tags.html
index 127bc9b7..1e1476b3 100644
--- a/apps/templates/sub_box_tags.html
+++ b/pythonz/apps/templates/sub/box_tags.html
@@ -1,6 +1,6 @@
 {% load sitecats %}
 {% if item.has_categories %}
-<div class="tags_box marg__b_mid">
+<div class="mb-3" id="box-tags">
     <hr>
     <h4>Категории</h4>
     {% sitecats_categories from item %}
diff --git a/pythonz/apps/templates/sub/column_controls.html b/pythonz/apps/templates/sub/column_controls.html
new file mode 100644
index 00000000..b941c3b3
--- /dev/null
+++ b/pythonz/apps/templates/sub/column_controls.html
@@ -0,0 +1,12 @@
+{% block details_tags %}{% include "sub/box_tags.html" %}{% endblock %}
+
+{% block ad_rightbar %}
+<div class="mb-3">
+    {% include "sub/box_ads.html" with area="rightbar" type="details" %}
+</div>
+<div class="clearfix"></div>
+{% endblock %}
+
+{% block right_bar %}
+    {% include "sub/hint.html" %}
+{% endblock %}
diff --git a/pythonz/apps/templates/sub/comments.html b/pythonz/apps/templates/sub/comments.html
new file mode 100644
index 00000000..45327142
--- /dev/null
+++ b/pythonz/apps/templates/sub/comments.html
@@ -0,0 +1,30 @@
+<script type="text/javascript">
+    {% comment %}Активирует вкладку с наибольшим кол-вом комментариев.{% endcomment %}
+
+    $(function(){
+        pythonz.activateCommentsTab(3000);
+    });
+</script>
+
+<div class="clearfix"></div>
+<ul class="nav nav-tabs" role="tablist" id="tabs-comments">
+
+    {% if not disable_vk %}
+    <li role="presentation" class="nav-item">
+        <a href="#comments_vk" class="nav-link active" aria-controls="comments_vk" role="tab" data-toggle="tab">
+            ВКонтакте
+            <span id="comments_vk_cnt" class="vk-comment-count badge ml-2">0</span></a>
+    </li>
+    {% endif %}
+
+</ul>
+
+<div class="tab-content">
+
+    {% if not disable_vk %}
+    <div role="tabpanel" class="tab-pane active" id="comments_vk">
+        {% include "sub/vk_comments.html" %}
+    </div>
+    {% endif %}
+
+</div>
diff --git a/pythonz/apps/templates/sub/hint.html b/pythonz/apps/templates/sub/hint.html
new file mode 100644
index 00000000..1c1c4a78
--- /dev/null
+++ b/pythonz/apps/templates/sub/hint.html
@@ -0,0 +1,15 @@
+{% load siteblocks %}
+<!--noindex-->
+{% if not hide_hint %}
+    {% siteblock "hints" as hint %}
+{% endif %}
+
+{% if hint %}
+    <div class="card border-warning">
+        <div class="card-header">На заметку</div>
+        <div class="card-body small">
+            <div class="text">{{ hint }}</div>
+        </div>
+    </div>
+{% endif %}
+<!--/noindex-->
diff --git a/pythonz/apps/templates/sub/item_cover.html b/pythonz/apps/templates/sub/item_cover.html
new file mode 100644
index 00000000..5b002e9f
--- /dev/null
+++ b/pythonz/apps/templates/sub/item_cover.html
@@ -0,0 +1,11 @@
+{% load sitetree model_meta thumbs %}
+
+{% if not thumb_url %}
+    {% thumbs_get_thumb_url item.cover 100 131 item.realm as thumb_url %}
+{% endif %}
+
+{% if thumb_url %}
+    <img src="{{ thumb_url }}" class="img-thumbnail rounded float-left {% if not nofade %}faded{% endif %}" alt="{{ item.title }}">
+{% else %}
+    <i class="img-thumbnail rounded float-left icon_entity fa fa-2x fa-{{ item.realm.icon }} {% if not nofade %}faded{% endif %}"></i>
+{% endif %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/sub/item_info.html b/pythonz/apps/templates/sub/item_info.html
new file mode 100644
index 00000000..8e37dc37
--- /dev/null
+++ b/pythonz/apps/templates/sub/item_info.html
@@ -0,0 +1,14 @@
+{% if show_date %}{{ item.time_created|date:"j E Y" }} / {%  endif %}<strong>{{ item.year|default:'' }}</strong>
+{% if show_user %}
+<span class="py_user">
+    {% if item.author %}
+        {{ item.author }}
+    {% else %}
+        {{ item.submitter }}
+    {% endif %}
+</span>
+{% endif %}
+
+{% if  item.supporters_num > 0 %}
+<span class="badge badge-success float-right" title = "Одобрившие">{{ item.supporters_num }}</span>
+{% endif %}
diff --git a/pythonz/apps/templates/sub/linked.html b/pythonz/apps/templates/sub/linked.html
new file mode 100644
index 00000000..c1a00e3b
--- /dev/null
+++ b/pythonz/apps/templates/sub/linked.html
@@ -0,0 +1,15 @@
+{% with linked=item.get_linked %}
+    {% if linked %}
+    <div class="clearfix"></div>
+    <div class="card bg-light border-info mb-3">
+        <div class="card-body">
+            <div class="card-title">Связанные материалы:</div>
+            <ul>
+                {% for linked_item in item.get_linked %}
+                    <li><a href="{{ linked_item.get_absolute_url }}">{{ linked_item.title }}</a></li>
+                {% endfor %}
+            </ul>
+        </div>
+    </div>
+    {% endif %}
+{% endwith %}
diff --git a/pythonz/apps/templates/sub/paginator.html b/pythonz/apps/templates/sub/paginator.html
new file mode 100644
index 00000000..92b2ebc7
--- /dev/null
+++ b/pythonz/apps/templates/sub/paginator.html
@@ -0,0 +1,23 @@
+{% if paginator.paginator.num_pages > 1 %}
+<div class="row">
+    <div class="col-12">
+        <nav role="navigation">
+            <ul class="pagination pagination-sm justify-content-end">
+                {% if paginator.has_previous %}
+                    <li class="page-item"><a class="page-link" href="?p=1" title ="На первую страницу">&lt;&lt;</a></li>
+                    <li class="page-item"><a class="page-link" href="?p={{ paginator.previous_page_number }}" title="На предыдущую страницу">&lt;</a></li>
+                {% endif %}
+
+                {% for p in paginator.before_current %}<li><a class="page-link" href="?p={{ p }}" title="На страницу {{ p }}">{{ p }}</a></li>{% endfor %}
+                <li class="page-item active"><a class="page-link" href="?p={{ paginator.number }}" title="Текущая страница {{ paginator.number }}">{{ paginator.number }}</a></li>
+                {% for p in paginator.after_current %}<li><a class="page-link" href="?p={{ p }}" title="На страницу {{ p }}">{{ p }}</a></li>{% endfor %}
+
+                {% if paginator.has_next %}
+                    <li class="page-item"><a class="page-link" href="?p={{ paginator.next_page_number }}" title="На следующую страницу">&gt;</a></li>
+                    <li class="page-item"><a class="page-link" href="?p={{ paginator.paginator.num_pages }}" title="На последнюю страницу">&gt;&gt;</a></li>
+                {% endif %}
+            </ul>
+        </nav>
+    </div>
+</div>
+{% endif %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/sub/persons_links.html b/pythonz/apps/templates/sub/persons_links.html
new file mode 100644
index 00000000..d222b965
--- /dev/null
+++ b/pythonz/apps/templates/sub/persons_links.html
@@ -0,0 +1,3 @@
+{% for person in persons %}
+    <a href="{{ person.get_absolute_url }}">{{ person.title }}</a>
+{% endfor %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/sub/plotly.html b/pythonz/apps/templates/sub/plotly.html
new file mode 100644
index 00000000..b29069e0
--- /dev/null
+++ b/pythonz/apps/templates/sub/plotly.html
@@ -0,0 +1,2 @@
+<script src="https://cdn.plot.ly/plotly-latest.min.js"></script>
+<script src="https://cdn.plot.ly/plotly-locale-ru-latest.js"></script>
diff --git a/pythonz/apps/templates/sub/plotly_config.html b/pythonz/apps/templates/sub/plotly_config.html
new file mode 100644
index 00000000..64b6a811
--- /dev/null
+++ b/pythonz/apps/templates/sub/plotly_config.html
@@ -0,0 +1,5 @@
+locale: 'ru',
+displayModeBar: true,
+displaylogo: false,
+modeBarButtonsToRemove: ['zoom2d', 'select2d', 'lasso2d', 'toggleSpikelines', 'resetViews'],
+responsive: true
diff --git a/pythonz/apps/templates/sub/realm_card.html b/pythonz/apps/templates/sub/realm_card.html
new file mode 100644
index 00000000..4724103a
--- /dev/null
+++ b/pythonz/apps/templates/sub/realm_card.html
@@ -0,0 +1,19 @@
+
+<div class="card col-md-6 mt-3 float-left">
+
+    {% include "sub/realm_card_title.html" %}
+
+    <ul>
+        {% for item in realm_data.items %}
+        <li class="mb-2">
+            {% if item.is_external %}
+                <a href="{{ item.get_utm_url }}" rel="nofollow">{{ item.title }}</a>
+            {% else %}
+                <a href="{{ item.get_absolute_url }}">{{ item.title }}</a>
+            {% endif %}
+            {% if not item.src_alias and item.title != item.description %}<div class="small text-muted">{{ item.description }}</div>{% endif %}
+        </li>
+        {% endfor %}
+    </ul>
+
+</div>
diff --git a/pythonz/apps/templates/sub/realm_card_main.html b/pythonz/apps/templates/sub/realm_card_main.html
new file mode 100644
index 00000000..8f7d20b3
--- /dev/null
+++ b/pythonz/apps/templates/sub/realm_card_main.html
@@ -0,0 +1,36 @@
+{% load thumbs %}
+
+<div class="card col-md-12 mt-6 float-left mt-3 mb-4">
+
+    {% include "sub/realm_card_title.html" %}
+    <div>
+        <div class="col-md-6 col-sm-12 float-left mb-3">
+            <div class="feature p-3 rounded">
+                {% with item=realm_data.featured %}
+                {% block cover %}
+                    <div>
+                        {% thumbs_get_thumb_url item.cover 180 236 item.realm as thumb_url %}
+                        {% if thumb_url %}
+                            <img src="{{ thumb_url }}" class="img-thumbnail" alt="{{ item.title }}">
+                        {% else %}
+                            <i class="img-thumbnail fa fa-3x fa-{{ item.realm.icon }}"></i>
+                        {% endif %}
+                    </div>
+                {% endblock %}
+                <div class="mt-2"><a class="text-white" href="{{ item.get_absolute_url }}">{% block item_title %}{{ item.title }}{% endblock %}</a></div>
+                {% endwith %}
+            </div>
+        </div>
+        <div class="col-md-6 col-sm-12 float-left">
+            <ul class="pl-4">
+                {% for item in realm_data.items %}
+                <li class="mb-2">
+                    <a href="{% if item.src_alias and item.utm_on_main %}{{ item.get_utm_url }}{% else %}{{ item.get_absolute_url }}{% endif %}">
+                        {{ item.title }}
+                    </a>
+                </li>
+                {% endfor %}
+            </ul>
+        </div>
+    </div>
+</div>
diff --git a/pythonz/apps/templates/sub/realm_card_title.html b/pythonz/apps/templates/sub/realm_card_title.html
new file mode 100644
index 00000000..ab4c8582
--- /dev/null
+++ b/pythonz/apps/templates/sub/realm_card_title.html
@@ -0,0 +1,8 @@
+{% load model_meta %}
+
+{% model_meta_verbose_name_plural realm_data.cls.model as realm_title%}
+
+<h4 class="text-uppercase">
+    <a href="{% url realm_data.cls.get_listing_urlname %}">{{ realm_title }}</a>
+    <div class="ruler"></div>
+</h4>
diff --git a/pythonz/apps/templates/sub/realms_links_tabs.html b/pythonz/apps/templates/sub/realms_links_tabs.html
new file mode 100644
index 00000000..4afee0c2
--- /dev/null
+++ b/pythonz/apps/templates/sub/realms_links_tabs.html
@@ -0,0 +1,18 @@
+<ul class="nav nav-tabs mb-3" role="tablist" id="tabs-realms">
+{% for realm_name, data_tuple in realms_links.items %}
+    <li role="presentation" class="nav-item">
+        <a href="#{{ data_tuple.0 }}" class="nav-link {% if forloop.first %}active{% endif %}" aria-controls="{{ data_tuple.0 }}" role="tab" data-toggle="tab">{{ realm_name }}</a>
+    </li>
+{% endfor %}
+</ul>
+<div class="tab-content">
+{% for realm_name, data_tuple in realms_links.items %}
+    <div role="tabpanel" class="tab-pane {% if forloop.first %}active{% endif %}" id="{{ data_tuple.0 }}">
+        <ul>
+        {% for item in data_tuple.1 %}
+            <li><a href="{{ item.get_absolute_url }}">{{ item.get_display_name }}</a></li>
+        {% endfor %}
+        </ul>
+    </div>
+{% endfor %}
+</div>
diff --git a/pythonz/apps/templates/sub/rst_hints.html b/pythonz/apps/templates/sub/rst_hints.html
new file mode 100644
index 00000000..073278bd
--- /dev/null
+++ b/pythonz/apps/templates/sub/rst_hints.html
@@ -0,0 +1,194 @@
+<ul class="nav nav-tabs" role="tablist">
+    <li class="nav-item">
+        <a data-toggle="tab" class="nav-link active" href="#rst_src"><i class="fa fa-fw fa-pencil-square-o"></i>Редактирование</a>
+    </li>
+    <li class="nav-item">
+        <a data-toggle="tab" href="#rst_preview" id="preview-rst" class="nav-link" hx-post hx-target="#rst_preview">
+            <i class="fa fa-fw fa-eye"></i>Предпросмотр
+        </a>
+    </li>
+    <li class="nav-item">
+        <a data-toggle="modal" class="nav-link" data-target="#help_dialog"><i class="fa fa-fw fa-question-circle-o"></i>Справка</a>
+    </li>
+</ul>
+<div class="tab-content">
+    <div id="rst_src" role="tabpanel" class="mt-2 tab-pane fade show active">
+        <textarea{0}>{1}</textarea>
+    </div>
+    <div id="rst_preview" role="tabpanel" class="mt-2 tab-pane fade"></div>
+</div>
+
+<div class="modal fade" id="help_dialog" tabindex="-1" role="dialog" aria-labelledby="help_dialog_label">
+    <div class="modal-dialog modal-lg" role="document">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h4 class="modal-title" id="help_dialog_label"><i class="fa fa-fw fa-question-circle-o"></i>Справка по
+                    форматированию</h4>
+                <button type="button" class="close" data-dismiss="modal" aria-label="Закрыть">
+                    <span aria-hidden="true">&times;</span>
+                </button>
+            </div>
+            <div class="modal-body">
+
+                <table class="table table-striped">
+                    <tr>
+                        <td><strong>Строки</strong></td>
+                        <td>Перевод строки трактуется как начало нового параграфа.</td>
+                    </tr>
+
+                    <tr>
+                        <td><strong>Ссылки</strong></td>
+                        <td>
+                            Ссылки на внешние ресурсы, начинающиеся с <i>http</i> форматируются автоматически.<br>
+                            Можно скрыть ссылку под именем, используя следующий код.<br><br>
+                            <pre><code class="nohighlight">Вставка ссылки `под именем&lt;https://pythonz.net/&gt;`_.</code></pre>
+                        </td>
+                    </tr>
+
+                    <tr>
+                        <td><strong>Начертание</strong></td>
+                        <td>
+                            Для выделения слова или фразы <b>полужирным</b> используйте обрамление в двойные звёзды.<br><br>
+                            <pre><code class="nohighlight">Выделение **полужирным**.</code></pre>
+
+                            Для выделения слова или фразы <i>курсивом</i> используйте обрамление в звёзды.<br><br>
+                            <pre><code class="nohighlight">Выделение *курсивом*.</code></pre>
+                        </td>
+                    </tr>
+
+                    <tr>
+                        <td><strong>Акцентирование</strong></td>
+                        <td>
+                            Слово или фразу можно <code>акцентировать</code> путём обрамления в двойные
+                            апострофы.<br><br>
+                            <pre><code class="nohighlight">Выделение ``акцентом``.</code></pre>
+                        </td>
+                    </tr>
+
+                    <tr>
+                        <td nowrap><strong>Подзаголовок</strong></td>
+                        <td>
+                            Подзаголовок  можно создать при помощи директивы <code>.. title::</code>.<br><br>
+                            <pre><code class="nohighlight">.. title:: Подзаголовок</code></pre>
+                        </td>
+                    </tr>
+
+                    <tr>
+                        <td nowrap><strong>Блок «На заметку»</strong></td>
+                        <td>
+                            Блок можно выделить визуально, если начать строку с помощью
+                            директивы <code>.. note::</code>.<br><br>
+                            <pre><code class="nohighlight">.. note:: Текст заметки.</code></pre>
+                        </td>
+                    </tr>
+
+                    <tr>
+                        <td><strong>Блок «Внимание»</strong></td>
+                        <td>
+                            Блок можно выделить визуально, если начать строку с помощью
+                            директивы <code>.. warning::</code>.<br><br>
+                            <pre><code class="nohighlight">.. warning:: Текст предупреждения.</code></pre>
+                        </td>
+                    </tr>
+
+                    <tr>
+                        <td><strong>Таблицы</strong></td>
+                        <td>
+                            С помощью директивы <code>.. table::</code> можно вставлять таблицы. Каждая строка при этом
+                            станет рядом. Строка, начинающаяся с восклицательного знака станет заголовком, а ячейки
+                            разделяются вертикальной чертой |.<br><br>
+                            <pre><code class="nohighlight">
+.. table::
+
+! заголовок | заголовок 2 | заголовок 3
+1 | первый ряд | текст 1
+2 | второй ряд | текст 2
+
+
+                            </code></pre>
+                            <i>Обратите внимание на необходимость наличия двойного переноса строки после блока таблицы.</i>
+                        </td>
+                    </tr>
+
+                    <tr>
+                        <td><strong>Цитаты</strong></td>
+                        <td>
+                            <blockquote>
+                            Для оформления цитаты, обрамите её в тройные апострофы.
+                            </blockquote>
+                            <pre><code class="nohighlight">```
+Это цитата.
+```</code></pre>
+                        </td>
+                    </tr>
+
+                    <tr>
+                        <td><strong>Исходный код</strong></td>
+                        <td>
+                            Подсветка синтаксиса реализуется путём выделения кода в отдельный параграф,
+                            начинающийся с директивы <code>.. code:: имя_языка</code>.<br><br>
+
+                            <pre><code class="nohighlight">Некий текст.
+
+.. code:: python
+
+def my_function():
+    "just a test"
+    print 8/2
+
+
+И снова текст.</code></pre>
+                            <i>Обратите внимание на необходимость наличия двойного переноса строки после блока кода.</i><br>
+                            <i>Упоминание языка не обязательно. Если он не указан, используется подсветка Python.</i>
+                        </td>
+                    </tr>
+
+                    <tr>
+                        <td><strong>Gist от GitHub</strong></td>
+                        <td>
+                            Гисты (куски исходного кода) могут быть вставлены в текст при помощи директивы
+                            <br><code>.. gist:: гитхаб_логин/ид_гиста</code>.<br><br>
+                            <pre><code class="nohighlight">.. gist:: idlesign/c1255817bb0234d9971a</code></pre>
+                            <i>Обратите внимание на необходимость наличия переноса строки после блока кода.</i><br>
+                            <i>Гисты можно создавать по адресу
+                                <a href="https://gist.github.com/" target="_blank">https://gist.github.com/</a></i>
+                        </td>
+                    </tr>
+
+                    <tr>
+                        <td><strong>Опрос от Яндекс.Форм</strong></td>
+                        <td>
+                            Виджет опроса вставляется при помощи директивы
+                            <br><code>.. poll:: ид_опроса</code>.<br><br>
+                            <pre><code class="nohighlight">.. poll:: 5cb46b0c19621d0212e32587</code></pre>
+                            <i>Обратите внимание на необходимость наличия переноса строки после блока кода.</i>
+                        </td>
+                    </tr>
+
+
+                    <tr>
+                        <td><strong>Видео YouTube</strong></td>
+                        <td>
+                            Встроить проигрыватель можно при помощи директивы
+                            <br><code>.. video:: url_страницы_видео</code>.<br><br>
+                            <pre><code class="nohighlight">.. video:: https://youtu.be/ZE7WsnmGZ3U</code></pre>
+                            <i>Обратите внимание на необходимость наличия переноса строки после блока кода.</i>
+                        </td>
+                    </tr>
+
+                    <tr>
+                        <td><strong>Подкаст с podster.fm</strong></td>
+                        <td>
+                            Встроить проигрыватель можно при помощи директивы
+                            <br><code>.. podster:: url_страницы_подкаста</code>.<br><br>
+                            <pre><code class="nohighlight">.. podster:: http://mtpod.podster.fm/5</code></pre>
+                            <i>Обратите внимание на необходимость наличия переноса строки после блока кода.</i>
+                        </td>
+                    </tr>
+
+                </table>
+
+            </div>
+        </div>
+    </div>
+</div>
diff --git a/pythonz/apps/templates/sub/search_bar.html b/pythonz/apps/templates/sub/search_bar.html
new file mode 100644
index 00000000..ede78517
--- /dev/null
+++ b/pythonz/apps/templates/sub/search_bar.html
@@ -0,0 +1,9 @@
+{% load etc_misc %}
+<div class="ya-site-form ya-site-form_inited_no" onclick="return {'action':'{% site_url %}/search/site/','arrow':false,'bg':'#ffffff','fontsize':16,'fg':'#000000','language':'ru','logo':'rb','publicname':'Поиск по pythonz.net','suggest':true,'target':'_self','tld':'ru','type':2,'usebigdictionary':false,'searchid':2175547,'input_fg':'#000000','input_bg':'#ffffff','input_fontStyle':'normal','input_fontWeight':'normal','input_placeholder':'Поиск по сайту','input_placeholderColor':'#888','input_borderColor':'#c3c3c3'}"><form action="https://yandex.ru/search/site/" method="get" target="_self"><input type="hidden" name="searchid" value="2175547"/><input type="hidden" name="l10n" value="ru"/><input type="hidden" name="reqenc" value=""/><input type="search" name="text" value=""/><input type="submit" value="Найти" style="display:none"/></form></div><style type="text/css">.ya-page_js_yes .ya-site-form_inited_no { display: none; }</style>
+<script type="text/javascript">(function(w,d,c){var s=d.createElement('script'),h=d.getElementsByTagName('script')[0],e=d.documentElement;if((' '+e.className+' ').indexOf(' ya-page_js_yes ')===-1){e.className+=' ya-page_js_yes';}s.type='text/javascript';s.async=true;s.charset='utf-8';s.src=(d.location.protocol==='https:'?'https:':'http:')+'//site.yandex.net/v2.0/js/all.js';h.parentNode.insertBefore(s,h);(w[c]||(w[c]=[])).push(function(){
+    Ya.Site.Form.init();
+    setTimeout(function () {
+        $('.ya-site-form__input-text').addClass('form-control input-sm');
+        $('.ya-site-form__submit').hide();
+    }, 100);
+})})(window,document,'yandex_site_callbacks');</script>
\ No newline at end of file
diff --git a/pythonz/apps/templates/sub/static_base.html b/pythonz/apps/templates/sub/static_base.html
new file mode 100644
index 00000000..6254dc78
--- /dev/null
+++ b/pythonz/apps/templates/sub/static_base.html
@@ -0,0 +1,15 @@
+{% load static %}
+{% get_static_prefix as STATIC_URL %}
+<script src="https://cdn.jsdelivr.net/npm/jquery@2.2.4/dist/jquery.min.js" type="text/javascript"></script>
+<script>window.yaContextCb = window.yaContextCb || []</script>
+<script src="https://yandex.ru/ads/system/context.js" async></script>
+<script type="text/javascript">
+    function yaAd(renderDetails){window.yaContextCb.push(()=>{Ya.Context.AdvManager.render(renderDetails)})}
+    function getGet(a,o){var r=(new RegExp('[?&]'+a+'=([^&]*)')).exec(location.search);if(!r){return o} return decodeURIComponent(r[1]);}
+</script>
+<script src="{{ STATIC_URL }}js/geopattern-1.2.3.min.js" type="text/javascript"></script>
+
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/css/bootstrap.min.css">
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/highlight.js@11.6.0/styles/github.css">
+
+<link rel="stylesheet" href="{{ STATIC_URL }}css/pythonz.css">
diff --git a/pythonz/apps/templates/sub/static_footer.html b/pythonz/apps/templates/sub/static_footer.html
new file mode 100644
index 00000000..4bb62e9b
--- /dev/null
+++ b/pythonz/apps/templates/sub/static_footer.html
@@ -0,0 +1,15 @@
+{% load sitemetrics static %}
+{% get_static_prefix as STATIC_URL %}
+<script src="https://cdn.jsdelivr.net/npm/jquery-sticky@1.0.4/jquery.sticky.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/js/bootstrap.min.js"></script>
+<script src="https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@10.1.0/build/highlight.min.js"></script>
+<script type="text/javascript">
+    hljs.configure({useBR: true});
+    hljs.initHighlightingOnLoad();
+</script>
+
+{% include "siteajax/cdn.html" %}
+<script src="{{ STATIC_URL }}js/sitecats/sitecats.min.js" type="text/javascript"></script>
+<script src="{{ STATIC_URL }}js/pythonz.min.js" type="text/javascript"></script>
+
+{% sitemetrics by yandex for "21211468" %}
diff --git a/pythonz/apps/templates/sub/title_block.html b/pythonz/apps/templates/sub/title_block.html
new file mode 100644
index 00000000..30d266b5
--- /dev/null
+++ b/pythonz/apps/templates/sub/title_block.html
@@ -0,0 +1,24 @@
+{% load sitetree model_meta %}
+
+
+{% if not hide_breadcurmbs %}
+    {% sitetree_breadcrumbs from "main" template "sitetree/crumbs.html" %}
+{% endif %}
+
+
+{% if view.name == 'listing' %}
+    {% if realm.syndication_enabled %}
+    <div class="badge bg-light text-info float-right mt-1 mr-1">
+        <a id="rss" title="Подписаться на RSS раздела {% model_meta_verbose_name_plural realm.model %}" href="{{ realm.get_syndication_url }}">
+            <i class="fa fa-fw fa-rss"></i> &nbsp;RSS
+        </a>
+    </div>
+    {% endif %}
+{% endif %}
+
+
+{% sitetree_page_title from "main" as title %}
+<div class="page-header mb-4">
+    <h1 itemprop="name" data-geopattern="{{ title }}"><i class="fa fa-{{ realm.icon }}"></i> {{ title }}</h1>
+    <i>{% block subheader %}{{ subheader }}{% endblock %}</i>
+</div>
diff --git a/pythonz/apps/templates/sub/vk_comments.html b/pythonz/apps/templates/sub/vk_comments.html
new file mode 100644
index 00000000..a3c8b682
--- /dev/null
+++ b/pythonz/apps/templates/sub/vk_comments.html
@@ -0,0 +1,22 @@
+<div id="vk_comments" class="mt-4"></div>
+<script type="text/javascript">
+    VK.Widgets.Comments('vk_comments', {limit: 20, attach: 'link'}, '{{ item.realm.name }}_{{ item.id }}');
+</script>
+
+<script type="application/javascript">
+    $(function() {
+        VK.Api.call(
+            'widgets.getComments',
+            {
+                widget_api_id: window.VK_APP_ID,
+                page_id: '{{ item.realm.name }}_{{ item.id }}',
+                v: '5.131'
+            },
+            function(result) {
+                if (result.response) {
+                    $('#comments_vk_cnt').html(result.response.count)
+                }
+            }
+        );
+    })
+</script>
diff --git a/pythonz/apps/templates/sub/vk_head.html b/pythonz/apps/templates/sub/vk_head.html
new file mode 100644
index 00000000..99cb379f
--- /dev/null
+++ b/pythonz/apps/templates/sub/vk_head.html
@@ -0,0 +1,5 @@
+<script type="text/javascript" src="//vk.com/js/api/openapi.js?117"></script>
+<script type="text/javascript">
+    window.VK_APP_ID = 5074720;
+    VK.init({apiId: window.VK_APP_ID, onlyWidgets: true});
+</script>
\ No newline at end of file
diff --git a/pythonz/apps/templates/sub/ya_forgetmenot.html b/pythonz/apps/templates/sub/ya_forgetmenot.html
new file mode 100644
index 00000000..f29118ee
--- /dev/null
+++ b/pythonz/apps/templates/sub/ya_forgetmenot.html
@@ -0,0 +1,8 @@
+<script src="//yastatic.net/forgetmenot/forgetmenot.min.js" type="text/javascript"></script>
+<div class="ya-forgetmenot-autoinit" style="padding-bottom: 10px;"
+     data-forgetmenot-name="{{ event.title }}"
+     data-forgetmenot-description="{{ event.place.title }} {{ event.time_start|date:"d E H:i" }} {% if event.time_finish %}- {{ event.time_finish|date:"d E H:i" }}{% endif %} {{ event.fee|yesno:"Платно,Бесплатно," }}"
+     data-forgetmenot-reminder-date="{{ event.time_forgetmenot|date:'c' }}"
+     data-forgetmenot-size="l" data-forgetmenot-icon="bell"
+     data-forgetmenot-theme="white">
+</div>
diff --git a/pythonz/apps/templates/sub/ya_map.html b/pythonz/apps/templates/sub/ya_map.html
new file mode 100644
index 00000000..e0757ea2
--- /dev/null
+++ b/pythonz/apps/templates/sub/ya_map.html
@@ -0,0 +1,9 @@
+<script type="text/javascript">
+    ymaps.ready(function() {
+        var pos = [{{ item.geo_pos }}],
+            title = '{{ item.title }}',
+            coverMap = new ymaps.Map('{{ element_id }}', {center: pos, zoom: {{ zoom|default:"2" }}, controls: []}),
+            placeMark = new ymaps.Placemark(pos, {iconContent: title}, {preset: 'islands#darkBlueStretchyIcon'});
+        coverMap.geoObjects.add(placeMark);
+    });
+</script>
\ No newline at end of file
diff --git a/pythonz/apps/templates/sub/ya_map_head.html b/pythonz/apps/templates/sub/ya_map_head.html
new file mode 100644
index 00000000..75603284
--- /dev/null
+++ b/pythonz/apps/templates/sub/ya_map_head.html
@@ -0,0 +1 @@
+<script src="//api-maps.yandex.ru/2.1/?lang=ru_RU" type="text/javascript"></script>
\ No newline at end of file
diff --git a/apps/templates/sub_zen.html b/pythonz/apps/templates/sub/zen.html
similarity index 58%
rename from apps/templates/sub_zen.html
rename to pythonz/apps/templates/sub/zen.html
index 33e82942..1d8b3b6d 100644
--- a/apps/templates/sub_zen.html
+++ b/pythonz/apps/templates/sub/zen.html
@@ -1,8 +1,8 @@
 {% load siteblocks %}
 
-<div class="jumbotron zen">
+<div class="jumbotron zen mt-5 p-3">
     {% siteblock "zen" as zen %}
-    <h2>{{ zen.1|safe }}</h2>
     <div class="eng">{{ zen.0|safe }}</div>
-    <div class="small">Тим Питерс. &laquo;Дзен Питона&raquo; import this</div>
+    <h2 class="mb-3 mt-3">{{ zen.1|safe }}</h2>
+    <div class="small">Тим Питерс. &laquo;Дзен Питона&raquo;<br>import this</div>
 </div>
diff --git a/pythonz/apps/templates/view_add.html b/pythonz/apps/templates/view_add.html
new file mode 100644
index 00000000..13d20d73
--- /dev/null
+++ b/pythonz/apps/templates/view_add.html
@@ -0,0 +1,2 @@
+{% load etc_misc %}
+{% include_ "realms/{{ realm.name_plural }}/edit.html" fallback "base_edit.html" %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/view_details.html b/pythonz/apps/templates/view_details.html
new file mode 100644
index 00000000..03b3d9ff
--- /dev/null
+++ b/pythonz/apps/templates/view_details.html
@@ -0,0 +1,2 @@
+{% load etc_misc %}
+{% include_ "realms/{{ realm.name_plural }}/details.html" fallback "base_details.html" %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/view_edit.html b/pythonz/apps/templates/view_edit.html
new file mode 100644
index 00000000..13d20d73
--- /dev/null
+++ b/pythonz/apps/templates/view_edit.html
@@ -0,0 +1,2 @@
+{% load etc_misc %}
+{% include_ "realms/{{ realm.name_plural }}/edit.html" fallback "base_edit.html" %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/view_listing.html b/pythonz/apps/templates/view_listing.html
new file mode 100644
index 00000000..4b7b1c47
--- /dev/null
+++ b/pythonz/apps/templates/view_listing.html
@@ -0,0 +1,2 @@
+{% load etc_misc %}
+{% include_ "realms/{{ realm.name_plural }}/listing.html" fallback "base_listing.html" %}
\ No newline at end of file
diff --git a/pythonz/apps/templates/view_tags.html b/pythonz/apps/templates/view_tags.html
new file mode 100644
index 00000000..396efc1a
--- /dev/null
+++ b/pythonz/apps/templates/view_tags.html
@@ -0,0 +1,2 @@
+{% load etc_misc %}
+{% include_ "realms/{{ realm.name_plural }}/tags.html" fallback "base_listing.html" %}
\ No newline at end of file
diff --git a/data/media/empty b/pythonz/apps/templatetags/__init__.py
similarity index 100%
rename from data/media/empty
rename to pythonz/apps/templatetags/__init__.py
diff --git a/pythonz/apps/templatetags/goodreads.py b/pythonz/apps/templatetags/goodreads.py
new file mode 100644
index 00000000..8f795057
--- /dev/null
+++ b/pythonz/apps/templatetags/goodreads.py
@@ -0,0 +1,18 @@
+from urllib.parse import urlencode
+
+from django import template
+from django.template.defaultfilters import safe
+
+register = template.Library()
+
+
+@register.simple_tag
+def goodreads_get_search_tag(query: str):
+    """Возврщает тег ссылки на поиск ISBN по сайту Goodreads.
+
+    :param query:
+
+    """
+    url = f"https://www.goodreads.com/search/?{urlencode({'query': query})}"
+
+    return safe(f'<a href="{url}" rel="nofollow" title="ISBN на goodreads.com">{query}</a>')
diff --git a/pythonz/apps/templatetags/text.py b/pythonz/apps/templatetags/text.py
new file mode 100644
index 00000000..c435929e
--- /dev/null
+++ b/pythonz/apps/templatetags/text.py
@@ -0,0 +1,19 @@
+import re
+
+from django import template
+from django.template.defaultfilters import safe
+
+register = template.Library()
+
+
+RE_HREF = re.compile(r'href="([^"]+)"')
+
+
+@register.filter
+def nolinks(value: str):
+    """Убирает из html гиперссылки.
+
+    :param value:
+
+    """
+    return safe(f"{RE_HREF.sub('', value)}")
diff --git a/pythonz/apps/templatetags/thumbs.py b/pythonz/apps/templatetags/thumbs.py
new file mode 100644
index 00000000..f0b86f49
--- /dev/null
+++ b/pythonz/apps/templatetags/thumbs.py
@@ -0,0 +1,34 @@
+
+from django import template
+from django.db.models.fields.files import ImageFieldFile
+
+from ..generics.realms import RealmBase
+from ..integration.utils import get_thumb_url
+
+register = template.Library()
+
+
+@register.simple_tag(takes_context=True)
+def thumbs_get_thumb_url(
+        context,
+        image: str | ImageFieldFile,
+        width: int,
+        height: int,
+        realm: RealmBase
+) -> str:
+    """Создаёт налету уменьшенную копию указанного изображения.
+
+    :param context:
+    :param image:
+    :param width:
+    :param height:
+    :param realm:
+
+    """
+    if isinstance(image, str):
+        url = image
+
+    else:
+        url = get_thumb_url(realm, image, width, height)
+
+    return url
diff --git a/pythonz/apps/utils.py b/pythonz/apps/utils.py
new file mode 100644
index 00000000..e57af58e
--- /dev/null
+++ b/pythonz/apps/utils.py
@@ -0,0 +1,601 @@
+import logging
+import re
+from collections.abc import Callable
+from datetime import datetime, timedelta
+from textwrap import wrap
+from typing import Any
+from urllib.parse import parse_qs, urlencode, urlparse, urlsplit, urlunparse, urlunsplit
+
+from bleach import clean
+from django.contrib import messages
+from django.db import models
+from django.db.models import Model
+from django.http import HttpRequest
+from django.utils import timezone
+from django.utils.text import Truncator
+
+from .exceptions import RemoteSourceError
+from .integration.videos import VideoBroker
+
+
+def get_logger(name: str) -> logging.Logger:
+    """Возвращает объект-журналёр для использования в модулях.
+
+    :param name:
+
+    """
+    return logging.getLogger(f'pythonz.{name}')
+
+
+LOG = get_logger(__name__)
+
+
+def get_datetime_from_till(days_gap: int) -> tuple[datetime, datetime]:
+    """Возвращает даты "с" и "по", где "по" - текущая дата,
+    а "с" отстоит от неё в прошлое на указанное количество дней.
+
+    :param int days_gap:
+
+    """
+    date_till = timezone.now()
+    date_from = date_till - timedelta(days=days_gap)
+
+    return date_from, date_till
+
+
+class PersonName:
+    """Предоставляет инструменты для представления имени персоны в разном виде."""
+
+    __slots__ = ['_name', 'is_valid']
+
+    def __init__(self, name: str):
+        name = re.sub(r'\s+', ' ', name).strip()
+
+        self._name: list[str] = name.split(' ')
+
+        self.is_valid: bool = len(self._name) > 1
+        """Флаг, указывающие на то, что имя состоит хотя бы из двух частей (имя и фамилия)."""
+
+        if not self.is_valid:
+            self._name = ['', '']
+
+    @property
+    def get_variants(self) -> list[str]:
+        """Возвращает наиболее часто встречающиеся варианты представления имени."""
+        variants = []
+        other = [self.full, self.short, self.first_last, self.last_first]
+
+        for variant in other:
+            if variant and variant not in variants:
+                variants.append(variant)
+
+        return variants
+
+    @property
+    def last_first(self) -> str:
+        """Фамилия и имя (отчество/второе имя исключаются)."""
+        return f'{self._name[-1]} {self._name[0]}'.strip()
+
+    @property
+    def first_last(self) -> str:
+        """Имя и фамилия (отчество/второе имя исключаются)."""
+        return f'{self._name[0]} {self._name[-1]}'.strip()
+
+    @property
+    def first(self) -> str:
+        """Имя."""
+        return self._name[0].strip()
+
+    @property
+    def last(self) -> str:
+        """Фамилия."""
+        return self._name[-1].strip()
+
+    @property
+    def full(self) -> str:
+        """Имя, отчество, фамилия."""
+        return ' '.join(self._name).strip()
+
+    @property
+    def short(self) -> str:
+        """Возвращает инициал имени и фамилию."""
+
+        if not self.is_valid:
+            return ''
+
+        name = self._name
+
+        return f"{name[0][0]}. {' '.join(name[1:])}"
+
+
+def truncate_chars(text: str, to: int, *, html: bool = False) -> str:
+    """Укорачивает поданный на вход текст до опционально указанного количества символов."""
+    return Truncator(text).chars(to, html=html)
+
+
+def truncate_words(text: str, to: int, *, html: bool = False) -> str:
+    """Укорачивает поданный на вход текст до опционально указанного количества слов."""
+    return Truncator(text).words(to, html=html)
+
+
+def format_currency(val: int) -> str:
+    """Форматирует значение валюты, разбивая его кратно
+    тысяче для облегчения восприятия.
+
+    :param val:
+
+    """
+    return ' '.join(wrap(str(int(val))[::-1], 3))[::-1]
+
+
+def sync_many_to_many(
+    src_obj: Any,
+    model: Model,
+    m2m_attr: str,
+    related_attr: str,
+    known_items: dict[str, Model | list[Model]],
+    unknown_handler: Callable = None
+) -> list[str]:
+    """Синхронизирует (при необходимости) список из указанного атрибута
+    объекта-источника в поле многие-ко-многим указанной модели.
+
+    Возвращает список неизвестных (отсутствующих в known_items) элементов из src_obj.m2m_attr,
+    либо созданных при помощи unknown_handler.
+
+    Внимание: для правильной работы необходимо, чтобы в БД уже был и объект model и объекты из known_items.
+
+    :param src_obj: Объект-источник, в котором есть src_obj.m2m_attr, содержащий
+        список (например строк), которым будут сопоставлены объекты из known_items.
+        Либо может быть указан список напрямую.
+
+    :param model: Модель, поле которой требуется обновить при необходимости.
+
+    :param m2m_attr: Имя атрибута модели, являющегося полем многие-ко-многим.
+
+    :param related_attr: Имя атрибута, в объектах многие-ко-многим, считающееся ключевым.
+        Значения из этого атрибута ожидаются в списке из src_obj.m2m_attr.
+
+    :param known_items: Ключи - это значения из src_obj.m2m_attr,
+        а значения - это модель из отношения многие-ко-многим, либо список моделей.
+
+    :param unknown_handler: Функция-обработчик для неизвестных элементов,
+        создающая объект налету. Должна принимать элемент списка src_obj.m2m_attr,
+        по которому будет создан объект, а также словарь known_items, который следует
+        дополнить созданным объектом.
+
+    """
+    if isinstance(src_obj, list):
+        new_list = src_obj
+
+    else:
+        new_list = getattr(src_obj, m2m_attr)
+
+    if not new_list:
+        return []
+
+    m2m_model_attr = getattr(model, m2m_attr)
+    old_many = {m2m_model_attr.values_list(related_attr, flat=True)}
+
+    unknown = []
+    unknown_handler = unknown_handler or (lambda item, known_items: None)
+
+    if old_many != set(new_list):
+        # Данные двух наборов (хранящегося в БД и полученнго) не совпадают.
+        # Синхронизируем данные в БД.
+        m2m_model_attr.clear()
+        to_add = []
+
+        for item in new_list:
+
+            if isinstance(item, str):
+                item = item.strip()
+
+            if not item:
+                continue
+
+            val = known_items.get(item, None)  # Модель или список моделей.
+
+            if val is None:
+
+                LOG.debug('Handling unknown item in sync_many_to_many(): %s', item)
+                val = unknown_handler(item, known_items)
+
+                if val is None:
+                    unknown.append(item)
+                    continue
+
+            if not isinstance(val, list):
+                val = [val]
+
+            for item in val:
+                to_add.append(item)  # noqa: PERF402
+
+        m2m_model_attr.add(*to_add)
+
+    return unknown
+
+
+def update_url_qs(url: str, new_qs_params: dict) -> str:
+    """Дополняет указанный URL указанными параметрами запроса,
+    при этом заменяя значения уже имеющихся одноимённых параметров, если
+    таковые были в URL изначально
+
+    :param url:
+    :param new_qs_params:
+
+    """
+    parsed = list(urlparse(url))
+
+    parsed_qs = parse_qs(parsed[4])
+    parsed_qs.update(new_qs_params)
+    parsed[4] = urlencode(parsed_qs, doseq=True)
+
+    return urlunparse(parsed)
+
+
+class UTM:
+    """Утилиты для работы с UTM (Urchin Tracking Module) метками."""
+
+    @classmethod
+    def add_to_url(cls, url: str, source: str, medium: str, campaign: str) -> str:
+        """Добавляет UTM метки в указаный URL.
+
+        :param url:
+
+        :param source: Название источника перехода.
+            Например, pythonz, google.
+
+        :param medium: Рекламный канал.
+            Например referral, cpc, banner, email
+
+        :param campaign: Ключевое слово (название компании).
+            Например слоган продукта, промокод.
+
+        """
+        params = {
+            'utm_source': source,
+            'utm_medium': medium,
+            'utm_campaign': campaign,
+        }
+
+        return update_url_qs(url, params)
+
+    @classmethod
+    def add_to_external_url(cls, url: str) -> str:
+        """Добавляет UTM метки в указанный внешний URL.
+
+        :param url:
+
+        """
+        return cls.add_to_url(url, 'pythonz', 'referral', 'item')
+
+    @classmethod
+    def add_to_internal_url(cls, url: str, source: str) -> str:
+        """Добавляет UTM метки в указанный внутренний URL.
+
+        :param url:
+        :param source:
+
+        """
+        return cls.add_to_url(url, source, 'link', 'promo')
+
+
+class BasicTypograph:
+    """Содержит базовые правила типографики.
+    Позволяет применить эти правила к строке.
+
+    """
+    rules = {
+        'QUOTES_REPLACE': (re.compile(r'(„|“|”|(\'\'))'), '"'),
+        'DASH_REPLACE': (re.compile(r'(-|­|–|—|―|−|--)'), '-'),
+
+        'SEQUENTIAL_SPACES': (re.compile(r'([ \t]+)'), ' '),
+
+        'DASH_EM': (re.compile(r'([ ,])-[ ]'), '\\g<1>— '),
+        'DASH_EN': (re.compile(r'(\d+)[ ]*-[ ]*(\d+)'), '\\g<1>–\\g<2>'),
+
+        'HELLIP': (re.compile(r'\.{2,3}'), '…'),
+        'COPYRIGHT': (re.compile(r'\((c|с)\)'), '©'),
+        'TRADEMARK': (re.compile(r'\(tm\)'), '™'),
+        'TRADEMARK_R': (re.compile(r'\(r\)'), '®'),
+
+        'QUOTES_CYR_CLOSE': (re.compile(r'(\S+)"', re.UNICODE), '\\g<1>»'),
+        'QUOTES_CYR_OPEN': (re.compile(r'"(\S+)', re.UNICODE), '«\\g<1>'),
+    }
+
+    @classmethod
+    def apply_to(cls, input_str: str) -> str:
+
+        input_str = f' {input_str.strip()} '
+
+        for regexp, replacement in cls.rules.values():
+            input_str = re.sub(regexp, replacement, input_str)
+
+        return input_str.strip()
+
+
+def get_simple_directive(name: str) -> str:
+    """Возвращает регулярку простой однострочной директивы для TextCompiler.
+
+    :param name: Имя директивы.
+
+    """
+    return fr'\.{{2}}\s*{name}::\s*([^\n]+)[/]*\n'
+
+
+class TextCompiler:
+    """Предоставляет инструменты для RST-подобного форматирования в HTML."""
+
+    RE_CODE = re.compile(r'\.{2}\s*code::([^\n]+)?\n{1,2}(.+?)\n{3}((?=\S)|$)', re.DOTALL)
+
+    RE_TABLE = re.compile(r'\.{2}\s*table::([^\n]+)?\n{1,2}(.+?)\n{3}((?=\S)|$)', re.DOTALL)
+
+    RE_NOTE = re.compile(get_simple_directive('note'), re.DOTALL)
+
+    RE_TITLE = re.compile(get_simple_directive('title'), re.DOTALL)
+
+    RE_WARNING = re.compile(get_simple_directive('warning'), re.DOTALL)
+
+    RE_GIST = re.compile(get_simple_directive('gist'), re.DOTALL)
+
+    RE_POLL = re.compile(get_simple_directive('poll'), re.DOTALL)
+
+    RE_VIDEO = re.compile(get_simple_directive('video'), re.DOTALL)
+
+    RE_PODSTER = re.compile(get_simple_directive('podster'), re.DOTALL)
+
+    RE_IMAGE = re.compile(get_simple_directive('image'), re.DOTALL)
+
+    RE_ACCENT = re.compile(r'``([^`\n]+)``')
+
+    RE_QUOTE = re.compile(r'```\n+([^`]+)\n+```')
+
+    RE_BOLD = re.compile(r'\*{2}(\S[^*\n]+(\S)?)\*{2}')
+
+    RE_ITALIC = re.compile(r'\*(\S[^*{1,2}\n]+\S)\*')
+
+    RE_URL = re.compile(r'(?<!["])(http[s]?:[^\s)<]+)')
+
+    RE_URL_WITH_TITLE = re.compile(r'`([^◀]+)\n*◀([^▶]+)▶`_', re.UNICODE)
+
+    RE_UL = re.compile(r'^\*\s+([^\n]+)\n', re.MULTILINE)
+
+    @classmethod
+    def compile(cls, text: str) -> str:
+        """Преобразует rst-подобное форматичрование в html.
+
+        :param text:
+
+        """
+        def replace_href(match):
+            return f'<a href="{match.group(1)}">{url_mangle(match.group(1))}</a>'
+
+        def replace_code(match):
+            lang = (match.group(1) or 'python').strip()
+            code = match.group(2)
+            return f'<pre><code class="{lang}">{code}</code></pre>\n'
+
+        def replace_video(match):
+
+            try:
+                code, _ = VideoBroker.get_code_and_cover(match.group(1), wrap_responsive=True)
+
+            except RemoteSourceError:
+                code = '<b>Ошибка встраивания видео: неподдерживаемый сервис.</b>'
+
+            return code
+
+        def replace_table(match):
+            body = match.group(2)
+            rows = []
+
+            bg_map = {
+                'i': 'info',
+                's': 'success',
+                'w': 'warning',
+                'd': 'danger',
+            }
+
+            for line in body.splitlines():
+
+                if line.startswith('! '):
+                    # Заголовок таблицы.
+                    rows.append(
+                        f"<thead><tr><th>{'</th><th>'.join(line.lstrip(' !').split(' | '))}</th></tr></thead>")
+                else:
+                    attrs_row = ''
+                    cells = []
+
+                    for value in map(str.strip, line.split(' | ')):
+
+                        attrs_cell = ''
+
+                        # Подсветка. Например, !b:d+ для всего ряда или !b:d ячейки.
+                        if value.startswith('!b:'):
+                            bg_letter, row_sign = value[3:5]
+                            value = value[5:].strip()
+
+                            if bg_class := bg_map.get(bg_letter, ''):
+                                attr = f' class="{bg_class}"'
+
+                                if row_sign == '+':
+                                    attrs_row = attr
+                                else:
+                                    attrs_cell = attr
+
+                        cells.append(f'<td{attrs_cell}>{value}</td>')
+
+                    rows.append(f"<tr{attrs_row}>{''.join(cells)}</tr>")
+
+            rows = ''.join(rows)
+
+            return (
+                '<div class="table-responsive"><table class="table table-striped table-bordered table-hover">'
+                f'{rows}</table></div>\n')
+
+        # Заменяем некоторые символы для правила RE_URL_WITH_TITLE, чтобы их не устранил bleach.
+        text = text.replace('<ht', '◀ht')
+        text = text.replace('</', '◀/')
+        text = text.replace('>`', '▶`')
+
+        text = text.replace('<', '&lt;')
+        text = text.replace('>', '&gt;')
+
+        text = clean(text)
+
+        text = text.replace('\r\n', '\n')
+
+        text = re.sub(cls.RE_UL, '<li>\\g<1></li>', text)
+        text = text.replace('\n<li>', '\n<ul><li>').replace('</li>\n', '</li></ul>\n')
+
+        text = re.sub(cls.RE_BOLD, '<b>\\g<1></b>', text)
+        text = re.sub(cls.RE_ITALIC, '<i>\\g<1></i>', text)
+        text = re.sub(cls.RE_QUOTE, '<blockquote>\\g<1></blockquote>', text)
+        text = re.sub(cls.RE_ACCENT, '<code>\\g<1></code>', text)
+        text = re.sub(cls.RE_CODE, replace_code, text)
+        text = re.sub(cls.RE_URL_WITH_TITLE, '<a href="\\g<2>">\\g<1></a>', text)
+        text = re.sub(cls.RE_GIST, '<script src="https://gist.github.com/\\g<1>.js"></script>', text)
+
+        text = re.sub(
+            cls.RE_POLL,
+            '<div class="card bg-light p-2 m-2"><div class="card-body">'
+            '<script src="https://yastatic.net/q/forms-frontend-ext/_/embed.js"></script>'
+            '<iframe src="https://forms.yandex.ru/u/\\g<1>/?iframe=1" '
+            'frameborder="0" width="100%" name="ya-form-\\g<1>">'
+            '</iframe></div></div>',
+            text)
+
+        text = re.sub(cls.RE_VIDEO, replace_video, text)
+
+        text = re.sub(cls.RE_TABLE, replace_table, text)
+
+        text = re.sub(cls.RE_TITLE, '<h4 data-geopattern="\\g<1>" class="subtitle">\\g<1></h4>', text)
+
+        text = re.sub(
+            cls.RE_NOTE, '<div class="card mb-3"><div class="card-header text-white bg-success">На заметку</div>'
+                         '<div class="card-body">\\g<1></div></div>', text)
+        text = re.sub(
+            cls.RE_WARNING, '<div class="card mb-3"><div class="card-header text-white bg-danger">Внимание</div>'
+                            '<div class="card-body">\\g<1></div></div>', text)
+
+        text = re.sub(
+            cls.RE_PODSTER,
+            '<iframe width="100%" height="85" src="\\g<1>/embed/13?link=1" frameborder="0" allowtransparency="true">'
+            '</iframe>',
+            text
+        )
+        text = re.sub(
+            cls.RE_IMAGE, '<img alt="\\g<1>" src="\\g<1>" data-canonical-src="\\g<1>" style="max-width:100%;">', text)
+        text = re.sub(cls.RE_URL, replace_href, text)
+
+        text = text.replace('\n', '<br>')
+
+        return text
+
+
+def url_mangle(url: str) -> str:
+    """Усекает длинные URL практически до неузноваемости, делая нефункциональным, но коротким.
+    Всё ради уменьшения длины строки.
+
+    :param url:
+
+    """
+    if len(url) <= 45:
+        return url
+
+    path, qs, frag = 2, 3, 4
+    splitted = list(urlsplit(url))
+    splitted[qs] = ''
+    splitted[frag] = ''
+
+    if splitted[path].strip('/'):
+        splitted[path] = f"<...>{splitted[path].split('/')[-1]}"  # Последний кусок пути.
+
+    mangled = urlunsplit(splitted)
+
+    return mangled
+
+
+def message_info(request: HttpRequest, message: str):
+    """Регистрирует сообщение информирующего типа для вывода пользователю на странице.
+
+    :param request:
+    :param message:
+
+    """
+    messages.add_message(request, messages.INFO, message, extra_tags='info')
+
+
+def message_warning(request: HttpRequest, message: str):
+    """Регистрирует предупреждающее сообщение для вывода пользователю на странице.
+
+    :param request:
+    :param message:
+
+    """
+    messages.add_message(request, messages.WARNING, message, extra_tags='warning')
+
+
+def message_success(request: HttpRequest, message: str):
+    """Регистрирует ободряющее сообщение для вывода пользователю на странице.
+
+    :param request:
+    :param message:
+
+    """
+    messages.add_message(request, messages.SUCCESS, message, extra_tags='success')
+
+
+def message_error(request: HttpRequest, message: str):
+    """Регистрирует сообщение об ошибке для вывода пользователю на странице.
+
+    :param request:
+    :param message:
+
+    """
+    messages.add_message(request, messages.ERROR, message, extra_tags='danger')
+
+
+TRANSLATION_DICT = str.maketrans(
+    "ёЁ!\"№;%:?йцукенгшщзхъфывапролджэячсмитьбю.ЙЦУКЕНГШЩЗХЪФЫВАПРОЛДЖЭ/ЯЧСМИТЬБЮ,",
+    "`~!@#$%^&qwertyuiop[]asdfghjkl;'zxcvbnm,./QWERTYUIOP{}ASDFGHJKL:\"|ZXCVBNM<>?"
+)
+
+RE_NON_ASCII = re.compile('[^\x00-\x7F]')
+
+
+def swap_layout(src_text: str) -> str:
+    """Заменяет кириллические символы строки на латинские в соответствии
+    с классической раскладкой клавиатуры, если строка не содержит символов кириллицы,
+    то возвращатся пустая строка, символизируя, что трансляция не производилась.
+
+    :param src_text:
+
+    """
+    if not RE_NON_ASCII.match(src_text):
+        return ''
+
+    return src_text.translate(TRANSLATION_DICT)
+
+
+def search_models(term: str, *, search_in=list[type[models.Model]]) -> tuple[str, list[models.Model]]:
+    """Производит поиск указанной строки в указанных областях.
+    Возвращает результаты поиска.
+
+    :param term: Строка для посика.
+    :param search_in: Области иска.
+
+    """
+    search_term = term.strip(' ()')[:200]
+
+    if not search_term:
+        return search_term, []
+
+    swapped = swap_layout(search_term)
+
+    results = []
+
+    for model_cls in search_in:
+        results.extend(model_cls.find(search_term, swapped))
+
+    return search_term, results
diff --git a/pythonz/apps/uwsgiinit.py b/pythonz/apps/uwsgiinit.py
new file mode 100644
index 00000000..70e41b37
--- /dev/null
+++ b/pythonz/apps/uwsgiinit.py
@@ -0,0 +1,122 @@
+from django.utils import timezone
+from sitemessage.toolbox import check_undelivered, cleanup_sent_messages, send_scheduled_messages
+from uwsgiconf.runtime.scheduling import register_cron, register_timer
+
+from .commands import clean_missing_refs, publish_postponed
+from .models import PEP, App, Event, ExternalResource, Summary, Vacancy
+from .sitemessages import PythonzEmailDigest
+
+
+def _nsk(hour: int) -> int:
+    """Транслирует новосибирский час в час по времени страны хостинга.
+
+    :param hour:
+
+    """
+    return hour - 6
+
+
+@register_timer(60)
+def task_send_messages(sig_num):
+    """Отправка оповещений."""
+    send_scheduled_messages(priority=1)
+
+
+@register_cron(hour=-4, minute=30)
+def task_get_vacancies(sig_num):
+    """Синхронизация вакансий."""
+    Vacancy.update_statuses()
+    Vacancy.fetch_items()
+
+
+@register_cron(hour=_nsk(15), minute=25)
+def task_get_events(sig_num):
+    """Синхронизация событий."""
+    Event.fetch_items()
+
+
+@register_cron(hour=-2, minute=1)
+def task_get_resources(sig_num):
+    """Подтягивание данных из внешних ресурсов."""
+    ExternalResource.fetch_new()
+
+
+@register_cron(hour=-2, minute=15)
+def task_publish_postponed(sig_num):
+    """Публикация отложенных материалов.
+
+    Не ранее 13 Нск (9 Мск).
+    Не позднее 21 Нск (17 Мск).
+
+    """
+    if _nsk(13) <= timezone.now().hour < _nsk(21):
+        publish_postponed()
+
+
+@register_cron(weekday=0, hour=_nsk(14), minute=10)
+def task_create_summary(sig_num):
+    """Еженедельная статья-сводка.
+    Воскресенье 14:10 Нск (10:10 Мск).
+
+    """
+    Summary.create_article()
+
+
+@register_cron(weekday=5, hour=_nsk(13), minute=20)
+def task_sync_peps(sig_num):
+    """Синхронизация данных PEP.
+    Пятница 13:20 Нск (9:20 Мск).
+
+    """
+    PEP.sync_from_repository()
+
+
+@register_cron(weekday=5, hour=_nsk(7), minute=40)
+def task_digest_create(sig_num):
+    """Компиляция еженедельного дайджеста.
+    Пятница 7:40 Нск (3:40 Мск).
+
+    """
+    PythonzEmailDigest.create()
+
+
+@register_cron(weekday=5, hour=_nsk(13), minute=0)
+def task_digest_send(sig_num):
+    """Рассылка еженедельного дайджеста.
+    Пятница 13:00 Нск (9:00 Мск).
+
+    """
+    send_scheduled_messages(priority=7)
+
+
+@register_cron(weekday=0, hour=_nsk(7), minute=13)
+def task_clean_missing_refs(sig_num):
+    """Очистка от устаревших промахов справочника.
+    Воскресенье 7:13 Нск (3:13 Мск).
+
+    """
+    clean_missing_refs()
+
+
+@register_cron(weekday=0, hour=_nsk(7), minute=15)
+def task_clean_sent_msg(sig_num):
+    """Очистка от отправленных сообщений.
+    Воскресенье 7:15 Нск (3:15 Мск).
+
+    """
+    cleanup_sent_messages()
+
+
+@register_cron(hour=-14, minute=10)
+def task_notify_undelivered(sig_num):
+    """Оповещение о недоставленных сообщениях."""
+    check_undelivered()
+
+
+@register_cron(weekday=1, hour=_nsk(10), minute=5)
+def task_app_stats_update(sig_num):
+    """Обновление данных о загрузках приложений.
+    Понедельник 10:05 Нск (6:05 Мск).
+
+    """
+    App.actualize_downloads()
diff --git a/pythonz/apps/views/__init__.py b/pythonz/apps/views/__init__.py
new file mode 100644
index 00000000..49ee10f3
--- /dev/null
+++ b/pythonz/apps/views/__init__.py
@@ -0,0 +1,13 @@
+from .basic import login, page_not_found, permission_denied, server_error
+from .callback import telebot
+from .categories import CategoryListingView
+from .ide import ide
+from .index import index
+from .peps import PepListingView
+from .persons import PersonDetailsView
+from .places import PlaceDetailsView, PlaceListingView
+from .references import ReferenceDetailsView, ReferenceListingView
+from .search import search
+from .users import UserDetailsView, UserEditView, user_settings
+from .vacancies import VacancyListingView
+from .versions import VersionDetailsView
diff --git a/pythonz/apps/views/basic.py b/pythonz/apps/views/basic.py
new file mode 100644
index 00000000..f53bf85b
--- /dev/null
+++ b/pythonz/apps/views/basic.py
@@ -0,0 +1,38 @@
+from django.http import HttpResponse
+from django.shortcuts import render
+from django.views.defaults import page_not_found as dj_page_not_found
+from django.views.defaults import permission_denied as dj_permission_denied
+from django.views.defaults import server_error as dj_server_error
+from sitegate.decorators import redirect_signedin, signin_view, signup_view
+from sitegate.signup_flows.classic import SimpleClassicWithEmailSignup
+
+from ..generics.views import HttpRequest
+
+
+# Наши страницы ошибок.
+def permission_denied(request: HttpRequest, exception: Exception) -> HttpResponse:
+    return dj_permission_denied(request, exception, template_name='static/403.html')
+
+
+def page_not_found(request: HttpRequest, exception: Exception) -> HttpResponse:
+    return dj_page_not_found(request, exception, template_name='static/404.html')
+
+
+def server_error(request: HttpRequest):
+    return dj_server_error(request, template_name='static/500.html')
+
+
+@redirect_signedin
+@signin_view(
+    widget_attrs={'class': 'form-control', 'placeholder': lambda f: f.label},
+    template='form_bootstrap4'
+)
+@signup_view(
+    widget_attrs={'class': 'form-control', 'placeholder': lambda f: f.label},
+    template='form_bootstrap4',
+    flow=SimpleClassicWithEmailSignup,
+    verify_email=True
+)
+def login(request: HttpRequest) -> HttpResponse:
+    """Страница авторизации и регистрации."""
+    return render(request, 'static/login.html')
diff --git a/pythonz/apps/views/callback.py b/pythonz/apps/views/callback.py
new file mode 100644
index 00000000..1db799ee
--- /dev/null
+++ b/pythonz/apps/views/callback.py
@@ -0,0 +1,16 @@
+from django.http import HttpResponse
+from django.views.decorators.csrf import csrf_exempt
+
+from ..generics.views import HttpRequest
+from ..integration.telegram import handle_request
+
+
+@csrf_exempt
+def telebot(request: HttpRequest) -> HttpResponse:
+    """Обрабатывает запросы от Telegram.
+
+    :param request:
+
+    """
+    handle_request(request)
+    return HttpResponse()
diff --git a/pythonz/apps/views/categories.py b/pythonz/apps/views/categories.py
new file mode 100644
index 00000000..82e1a283
--- /dev/null
+++ b/pythonz/apps/views/categories.py
@@ -0,0 +1,49 @@
+from django.shortcuts import get_object_or_404
+from django.urls import reverse
+from sitecats.toolbox import get_category_aliases_under, get_category_lists
+
+from ..generics.views import HttpRequest, RealmView
+from ..models import Category
+
+
+class CategoryListingView(RealmView):
+    """Выводит список известных категорий, либо список сущностей для конкретной категории."""
+
+    def get(self, request: HttpRequest, obj_id: int = None):
+        from ..realms import get_realms  # noqa: PLC0415
+
+        realms = get_realms().values()
+
+        if obj_id is None:  # Запрошен список всех известных категорий.
+            item = get_category_lists(
+                init_kwargs={
+                    'show_title': True,
+                    'show_links': lambda cat: reverse(self.realm.get_details_urlname(), args=[cat.id])
+                },
+                additional_parents_aliases=get_category_aliases_under())
+
+            return self.render(request, {'item': item, 'realms': realms})
+
+        # Выводим список материалов (разбитых по областям сайта) для конкретной категории.
+        category = get_object_or_404(Category.objects.select_related('parent'), pk=obj_id)
+
+        realms_links = {}
+
+        for realm in realms:
+            realm_model = realm.model
+
+            if not hasattr(realm_model, 'categories'):  # ModelWithCategory
+                continue
+
+            items = realm_model.get_objects_in_category(category)
+
+            if not items:
+                continue
+
+            realm_title = realm_model.get_verbose_name_plural()
+
+            _, plural = realm.get_names()
+
+            realms_links[realm_title] = (plural, items)
+
+        return self.render(request, {self.realm.name: category, 'item': category, 'realms_links': realms_links})
diff --git a/pythonz/apps/views/ide.py b/pythonz/apps/views/ide.py
new file mode 100644
index 00000000..9e1e1f9b
--- /dev/null
+++ b/pythonz/apps/views/ide.py
@@ -0,0 +1,27 @@
+from django.http import HttpResponse
+from django.shortcuts import render
+
+from ..generics.views import HttpRequest
+from ..models import Reference
+from ..utils import search_models
+
+
+def ide(request: HttpRequest) -> HttpResponse:
+    """Страница подсказок для IDE."""
+
+    term = request.GET.get('term', '')
+    results = []
+    error = ''
+
+    ide_version = request.headers.get('Ide-Version')
+    ide_name = request.headers.get('Ide-Name')
+
+    if ide_version and ide_name:
+
+        if ide_name in {'IntelliJ IDEA', 'PyCharm'}:
+            term, results = search_models(term, search_in=(Reference,))
+
+        else:
+            error = f'Используемая вами среда разработки "{ide_name} {ide_version}" не поддерживается.'
+
+    return render(request, 'realms/references/ide.html', {'term': term, 'results': results, 'error': error})
diff --git a/pythonz/apps/views/index.py b/pythonz/apps/views/index.py
new file mode 100644
index 00000000..e4d65c74
--- /dev/null
+++ b/pythonz/apps/views/index.py
@@ -0,0 +1,63 @@
+from datetime import timedelta
+from itertools import groupby
+from operator import attrgetter
+from typing import TYPE_CHECKING
+
+from django.http import HttpResponse
+from django.shortcuts import render
+from django.utils.timezone import now
+from django.views.decorators.cache import cache_page
+from django.views.decorators.csrf import csrf_protect
+
+from ..generics.views import HttpRequest
+from ..models import ExternalResource
+
+if TYPE_CHECKING:
+    from ..generics.models import RealmBaseModel
+
+
+@cache_page(900)  # 15 минут
+@csrf_protect
+def index(request: HttpRequest) -> HttpResponse:
+    """Индексная страница."""
+    from ..realms import get_realms  # noqa PLC0415
+
+    realms_data = []
+    realms_registry = get_realms()
+
+    externals = ExternalResource.objects.filter(realm_name__in=realms_registry.keys())
+    externals = {
+        k: sorted(v, key=attrgetter('id'), reverse=True)
+        for k, v in groupby(externals, attrgetter('realm_name'))}
+
+    max_items = 6
+    min_local = 2
+
+    dt_stale_featured = now() - timedelta(days=7)
+
+    for name, realm in realms_registry.items():
+
+        if not realm.show_on_main:
+            continue
+
+        realm_externals = externals.get(name, [])[:max_items]
+        count_local = max_items - len(realm_externals)
+
+        if count_local < min_local:
+            count_local = min_local
+
+        realm_model = realm.model
+        items: list[RealmBaseModel] = list(realm_model.get_actual()[:count_local])
+        items.extend(realm_externals[:max_items - count_local])
+
+        featured = None
+        if items:
+            featured = items[0]
+
+        realms_data.append({
+            'featured': realm_model.get_featured(candidate=featured, dt_stale=dt_stale_featured),
+            'cls': realm,
+            'items': items,
+        })
+
+    return render(request, 'index.html', {'realms_data': realms_data})
diff --git a/pythonz/apps/views/peps.py b/pythonz/apps/views/peps.py
new file mode 100644
index 00000000..ef581cff
--- /dev/null
+++ b/pythonz/apps/views/peps.py
@@ -0,0 +1,46 @@
+from enum import Enum
+from sys import maxsize
+
+from django.db.models import QuerySet
+
+from ..generics.views import HttpRequest, ListingView
+from ..models import PEP
+
+
+class PepListingView(ListingView):
+    """Представление со списком PEP."""
+
+    def get_paginator_per_page(self, request: HttpRequest) -> int:
+        if request.disable_paginator:
+            return maxsize
+        return super().get_paginator_per_page(request)
+
+    def apply_object_filter(self, *, attrs: dict[str, type[Enum]], objects: QuerySet):
+
+        applied = False
+
+        for attr, enum in attrs.items():
+            val = self.request.GET.get(attr)
+
+            if val and val.isdigit():
+
+                val = int(val)
+
+                if val in enum.values:
+                    objects = objects.filter(**{attr: val})
+                    applied = True
+
+        return applied, objects
+
+    def get_paginator_objects(self) -> QuerySet:
+
+        objects = super().get_paginator_objects()
+
+        applied, objects = self.apply_object_filter(attrs={
+            'status': PEP.Status,
+            'type': PEP.Type,
+        }, objects=objects)
+
+        self.request.disable_paginator = applied
+
+        return objects
diff --git a/pythonz/apps/views/persons.py b/pythonz/apps/views/persons.py
new file mode 100644
index 00000000..f3d82319
--- /dev/null
+++ b/pythonz/apps/views/persons.py
@@ -0,0 +1,9 @@
+from ..generics.views import DetailsView, HttpRequest
+
+
+class PersonDetailsView(DetailsView):
+    """Представление с детальной информацией о персоне."""
+
+    def update_context(self, context: dict, request: HttpRequest):
+        user = context['item']
+        context['materials'] = lambda: user.get_materials()  # Ленивость для кеша в шаблоне
diff --git a/pythonz/apps/views/places.py b/pythonz/apps/views/places.py
new file mode 100644
index 00000000..10d89cf6
--- /dev/null
+++ b/pythonz/apps/views/places.py
@@ -0,0 +1,53 @@
+from django.contrib.auth.decorators import login_required
+from django.http import HttpResponse
+from django.utils.decorators import method_decorator
+from siteajax.toolbox import ajax_dispatch
+
+from ..generics.views import DetailsView, HttpRequest, RealmView
+from ..models import Community, Event, Place, User, Vacancy
+
+
+class PlaceDetailsView(DetailsView):
+    """Представление с детальной информацией о месте."""
+
+    @method_decorator(login_required)
+    def set_im_here(self, request: HttpRequest, obj_id: int) -> HttpResponse:
+        """Обслуживает ajax-запрос. Прописывает место и часовой пояс в профиль пользователя.
+
+        :param request:
+        :param obj_id:
+
+        """
+        user = request.user
+        user.place = self.get_object(request=request, obj_id=obj_id)
+        user.set_timezone_from_place()
+        user.save()
+
+        return HttpResponse()
+
+    @ajax_dispatch({
+        'set-im-here': set_im_here
+    })
+    def get(self, request: HttpRequest, obj_id: int) -> HttpResponse:
+        # Метод перекрыт для добавления AJAX-обработчика.
+        return super().get(request, obj_id)
+
+    def update_context(self, context: dict, request: HttpRequest):
+        place = context['item']
+
+        if request.user.is_authenticated:
+            context['allow_im_here'] = (request.user.place != place)
+
+        context['users'] = User.get_actual().filter(place=place)
+        context['communities'] = Community.get_actual().filter(place=place)
+        context['events'] = Event.get_actual().filter(place=place)
+        context['vacancies'] = Vacancy.get_actual().filter(place=place)
+        context['stats_salary'] = Vacancy.get_salary_stats(place)
+
+
+class PlaceListingView(RealmView):
+    """Представление с картой и списком всех известных мест."""
+
+    def get(self, request: HttpRequest) -> HttpResponse:
+        places = Place.get_actual().order_by('-supporters_num', 'title')
+        return self.render(request, {self.realm.name_plural: places})
diff --git a/pythonz/apps/views/references.py b/pythonz/apps/views/references.py
new file mode 100644
index 00000000..53cf91bf
--- /dev/null
+++ b/pythonz/apps/views/references.py
@@ -0,0 +1,25 @@
+from django.http import HttpResponse
+from django.shortcuts import redirect
+
+from ..generics.views import DetailsView, HttpRequest, RealmView
+
+
+class ReferenceListingView(RealmView):
+    """Представление со списком справочников."""
+
+    def get(self, request: HttpRequest) -> HttpResponse:
+        # Справочник один, поэтому перенаправляем сразу на него.
+        return redirect(self.realm.get_details_urlname(slugged=True), 'python', permanent=True)
+
+
+class ReferenceDetailsView(DetailsView):
+    """Представление статьи справочника."""
+
+    def update_context(self, context: dict, request: HttpRequest):
+
+        reference = context['item']
+        context['children'] = reference.get_actual(parent=reference).order_by('title')
+
+        if reference.parent is not None:
+            context['siblings'] = reference.get_actual(
+                parent=reference.parent, exclude_id=reference.id).order_by('title')
diff --git a/pythonz/apps/views/search.py b/pythonz/apps/views/search.py
new file mode 100644
index 00000000..f7d7e5f1
--- /dev/null
+++ b/pythonz/apps/views/search.py
@@ -0,0 +1,53 @@
+from urllib.parse import quote_plus
+
+from django.conf import settings
+from django.http import HttpResponse
+from django.shortcuts import redirect, render
+
+from ..generics.views import HttpRequest
+from ..models import App, Category, Person, Reference, ReferenceMissing
+from ..utils import message_warning, search_models
+
+
+def search(request: HttpRequest) -> HttpResponse:
+    """Страница с результатами поиска по справочнику.
+    Если найден один результат, перенаправляет на страницу результата.
+
+    """
+    search_term, results = search_models(
+        request.POST.get('text', ''), search_in=(
+            Category,
+            Person,
+            Reference,
+            App,
+        ))
+
+    if not search_term:
+        return redirect('index')
+
+    if not results:
+        # Поиск не дал результатов. Запомним, что искали и сообщим администраторам,
+        # чтобы приняли меры по возможности.
+
+        ReferenceMissing.add(search_term)
+
+        message_warning(
+            request, 'Поиск по справочнику и категориям не дал результатов, '
+                     'и мы переключились на поиск по всему сайту.')
+
+        # Перенаправляем на поиск по всему сайту.
+        redirect_response = redirect('search_site')
+        redirect_response['Location'] += f'?searchid={settings.YANDEX_SEARCH_ID}&text={quote_plus(search_term)}'
+
+        return redirect_response
+
+    results_len = len(results)
+
+    if results_len == 1:
+        return redirect(results[0].get_absolute_url())
+
+    return render(request, 'static/search.html', {
+        'search_term': search_term,
+        'results': results,
+        'results_len': results_len,
+    })
diff --git a/pythonz/apps/views/users.py b/pythonz/apps/views/users.py
new file mode 100644
index 00000000..e8cdea2f
--- /dev/null
+++ b/pythonz/apps/views/users.py
@@ -0,0 +1,58 @@
+from django.contrib.auth.decorators import login_required
+from django.core.exceptions import PermissionDenied
+from django.http import HttpResponse
+from django.shortcuts import redirect
+from sitemessage.toolbox import get_user_preferences_for_ui, set_user_preferences_from_request
+
+from ..exceptions import RedirectRequired
+from ..generics.views import DetailsView, EditView, HttpRequest
+from ..models import User
+
+
+class UserDetailsView(DetailsView):
+    """Представление с детальной информацией о пользователе."""
+
+    def check_view_permissions(self, request: HttpRequest, item: User):
+        super().check_view_permissions(request, item)
+
+        if not item.profile_public and item != request.user:
+            # Закрываем доступ к непубличным профилям.
+            raise PermissionDenied
+
+    def update_context(self, context: dict, request: HttpRequest):
+
+        user = context['item']
+        context['bookmarks'] = user.get_bookmarks()
+        context['stats'] = lambda: user.get_stats()  # Ленивость для кеша в шаблоне
+
+        if user == request.user:
+            context['drafts'] = user.get_drafts()
+
+
+class UserEditView(EditView):
+    """Представление редактирования пользователя."""
+
+    def check_edit_permissions(self, request: HttpRequest, item: User):
+        # Пользователи не могут редактировать других пользователей.
+        if item != request.user:
+            raise PermissionDenied
+
+    def update_context(self, context: dict, request: HttpRequest):
+
+        if request.POST:
+            prefs_were_set = set_user_preferences_from_request(request)
+
+            if prefs_were_set:
+                raise RedirectRequired
+
+        subscr_prefs = get_user_preferences_for_ui(request.user, new_messengers_titles={
+            'smtp': '<i class="fi-mail" title="Эл. почта"></i>'
+        })
+
+        context['subscr_prefs'] = subscr_prefs
+
+
+@login_required
+def user_settings(request: HttpRequest) -> HttpResponse:
+    """Перенаправляет на страницу настроек текущего пользователя."""
+    return redirect('users:edit', request.user.pk)
diff --git a/pythonz/apps/views/vacancies.py b/pythonz/apps/views/vacancies.py
new file mode 100644
index 00000000..991715d0
--- /dev/null
+++ b/pythonz/apps/views/vacancies.py
@@ -0,0 +1,14 @@
+
+from ..generics.views import HttpRequest, ListingView
+from ..models import Vacancy
+
+
+class VacancyListingView(ListingView):
+    """Представление со списком вакансий."""
+
+    def update_context(self, context: dict, request: HttpRequest):
+        context['stats_salary'] = Vacancy.get_salary_stats()
+        context['stats_places'] = Vacancy.get_places_stats()
+
+    def get_most_voted_objects(self) -> list:
+        return []
diff --git a/pythonz/apps/views/versions.py b/pythonz/apps/views/versions.py
new file mode 100644
index 00000000..185e3324
--- /dev/null
+++ b/pythonz/apps/views/versions.py
@@ -0,0 +1,11 @@
+from ..generics.views import DetailsView, HttpRequest
+
+
+class VersionDetailsView(DetailsView):
+    """Представление с детальной информацией о версии Питона."""
+
+    def update_context(self, context: dict, request: HttpRequest):
+        version = context['item']
+        context['added'] = version.reference_added.order_by('title')
+        context['deprecated'] = version.reference_deprecated.order_by('title')
+        context['peps'] = version.peps.order_by('num')
diff --git a/pythonz/apps/zen.py b/pythonz/apps/zen.py
new file mode 100644
index 00000000..a705dbaf
--- /dev/null
+++ b/pythonz/apps/zen.py
@@ -0,0 +1,36 @@
+from random import choice
+
+from siteblocks.siteblocksapp import register_dynamic_block
+
+ZEN = (
+    ('Beautiful is better than ugly', 'Красивое лучше безобразного'),
+    ('Explicit is better than implicit', 'Явное лучше подразумеваемого'),
+    ('Simple is better than complex', 'Простое лучше сложного'),
+    ('Complex is better than complicated', 'Сложное лучше усложнённого'),
+    ('Flat is better than nested', 'Плоское лучше вложенного'),
+    ('Sparse is better than dense', 'Разреженное лучше плотного'),
+    ('Readability counts', 'Важна читабельность'),
+    ('Special cases aren\'t special enough to break the rules.\nAlthough practicality beats purity',
+     'Исключения недостаточно исключительны, чтобы нарушать правила.\nХотя, практичность превыше безупречности'),
+    ('Errors should never pass silently.\nUnless explicitly silenced',
+     'Ошибки не должны оставаться незамеченными.\nЕсли не были заглушены явно'),
+    ('In the face of ambiguity, refuse the temptation to guess',
+     'Пред лицом многозначности презрите желание догадываться'),
+    ('There should be one — and preferably only one — obvious way to do it.\n'
+     'Although that way may not be obvious at first unless you\'re Dutch',
+     'Должен быть один — и лучше единственный — очевидный способ достичь цели.\n'
+     'Впрочем, если вы не голландец, поначалу этот способ может казаться не столь очевидным'),
+    ('Now is better than never.\nAlthough never is often better than <em>right</em> now',
+     'Лучше сейчас, чем никогда.\nВпрочем, часто <em>никогда</em> лучше, чем <em>прямо сейчас</em>'),
+    ('If the implementation is hard to explain, it\'s a bad idea',
+     'Если реализацию трудно описать, значит идея была никудышной'),
+    ('If the implementation is easy to explain, it may be a good idea',
+     'Если реализацию легко описать — возможно, идея была хорошей'),
+    ('Namespaces are one honking great idea — let\'s do more of those!',
+     'Пространства имён были блестящей идеей — генерируем ещё!'),
+)
+
+
+def register_zen_siteblock():
+    """Регистрирует динамический блок сайта, наполняемый цитатами из дзена."""
+    register_dynamic_block('zen', lambda **kwargs: choice(ZEN))
diff --git a/pythonz/manage.py b/pythonz/manage.py
new file mode 100755
index 00000000..8ec57422
--- /dev/null
+++ b/pythonz/manage.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+import os
+import sys
+
+
+def main():
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'pythonz.settings')
+
+    try:
+        from django.core.management import execute_from_command_line  # noqa: PLC0415
+
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/pythonz/settings/__init__.py b/pythonz/settings/__init__.py
new file mode 100644
index 00000000..ca58cbf6
--- /dev/null
+++ b/pythonz/settings/__init__.py
@@ -0,0 +1,18 @@
+"""
+Этот модуль является единой точкой входа для конфигураций.
+
+Функция import_by_environment() подгрузит сюда символы из модулей для текущей среды.
+Например, для среды разработки подгрузится settings_development.py.
+"""
+from envbox import get_environment, import_by_environment
+
+current_env = import_by_environment(
+    # For production one can place `/var/lib/pythonz/environ` file with `production` as it contents.
+    get_environment(detectors_opts={'file': {'source': '/var/lib/pythonz/environ'}}),
+    module_name_pattern='env_%s'
+)
+
+
+IN_PRODUCTION = current_env == 'production'
+
+print(f'# Environment type: {current_env}')
diff --git a/pythonz/settings/base.py b/pythonz/settings/base.py
new file mode 100644
index 00000000..ebd42167
--- /dev/null
+++ b/pythonz/settings/base.py
@@ -0,0 +1,122 @@
+from .sub_paths import *  # noqa
+from .sub_email import *  # noqa
+from .sub_intergration import *  # noqa
+from .sub_logging import *  # noqa
+from .sub_security import *  # noqa
+from .sub_sentry import init_sentry  # noqa
+
+from pythonz import VERSION
+
+SITE_URL = 'https://pythonz.net'
+PROJECT_SOURCE_URL = 'https://github.com/idlesign/pythonz'
+USER_AGENT = f'pythonz.net/{VERSION} (press@pythonz.net)'
+
+ROBOT_USER_ID = 1
+"""Идентификатор пользователя-робота."""
+
+SUMMARY_CATEGORY_ID = 1
+"""Идентификатор категории Сводок."""
+
+AGRESSIVE_MODE = False
+"""Переводит проект в агрессивный режим: задействует различную машинерию для привлечения внимания к проекту."""
+
+DEBUG = False
+
+ADMINS = ()
+MANAGERS = ADMINS
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': f'{PROJECT_DIR_STATE}/data.db',
+    }
+}
+
+
+SITE_ID = 1
+
+ROOT_URLCONF = 'pythonz.urls'
+WSGI_APPLICATION = 'pythonz.wsgi.application'
+
+LANGUAGE_CODE = 'ru'
+TIME_ZONE = 'Asia/Novosibirsk'
+
+USE_I18N = True
+USE_L10N = True
+USE_TZ = True
+
+LOGIN_URL = 'login'
+LOGIN_REDIRECT_URL = 'settings'
+LOGOUT_REDIRECT_URL = 'index'
+
+ADMIN_URL = 'admin'
+MEDIA_URL = '/media/'
+STATIC_URL = '/static/'
+
+
+INSTALLED_APPS = [
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.sites',
+    'django.contrib.sitemaps',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'django.contrib.admin',
+
+    'admirarchy',
+    'siteajax',
+    'sitecats',
+    'siteflags',
+    'sitetree',
+    'siteblocks',
+    'sitegate',
+    'sitemetrics',
+    'siteprefs',
+    'sitemessage',
+    'etc',
+
+    'uwsgiconf.contrib.django.uwsgify',
+
+    'simple_history',
+    'robots',
+
+    'pythonz.apps',
+
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    'django.middleware.locale.LocaleMiddleware',
+    'pythonz.apps.middleware.TimezoneMiddleware',
+    'simple_history.middleware.HistoryRequestMiddleware',
+]
+
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'debug': DEBUG,
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+
+ROBOTS_CACHE_TIMEOUT = 6 * 60 * 60
+
+DEFAULT_AUTO_FIELD = 'django.db.models.AutoField'
diff --git a/pythonz/settings/env_development.py b/pythonz/settings/env_development.py
new file mode 100644
index 00000000..66462acc
--- /dev/null
+++ b/pythonz/settings/env_development.py
@@ -0,0 +1,42 @@
+#
+# Для конфигурирования в ходе разработки используйте этот файл, а не settings_base.py
+#
+from .base import *
+
+DEBUG = True
+SITE_URL = 'http://localhost:8000'
+
+ALLOWED_HOSTS = [
+    'localhost',
+    '127.0.0.1',
+    '[::1]',
+]
+
+INTERNAL_IPS = [
+    '127.0.0.1',
+    '[::1]',
+]
+
+
+ADMINS = (
+    ('me', 'me@some.where'),
+)
+
+TEMPLATES[0]['OPTIONS']['debug'] = True
+
+INSTALLED_APPS.append('debug_toolbar')
+MIDDLEWARE.append('debug_toolbar.middleware.DebugToolbarMiddleware')
+
+CACHES = {
+    'default': {
+        'BACKEND': 'django.core.cache.backends.dummy.DummyCache',
+    }
+}
+
+LOGGERS.update({
+
+})
+
+
+CSRF_COOKIE_SECURE = False
+SESSION_COOKIE_SECURE = False
diff --git a/pythonz/settings/env_testing.py b/pythonz/settings/env_testing.py
new file mode 100644
index 00000000..37564eb0
--- /dev/null
+++ b/pythonz/settings/env_testing.py
@@ -0,0 +1,18 @@
+#
+# Этот файл конфигурации используется для тестов.
+#
+from .base import *
+
+SITEPREFS_DISABLE_AUTODISCOVER = True
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': ':memory:'
+    }
+}
+
+PARTNER_IDS = {
+    'booksru': 'abc',
+    'litres': 'def',
+}
diff --git a/pythonz/settings/sub_email.py b/pythonz/settings/sub_email.py
new file mode 100644
index 00000000..33d6abd9
--- /dev/null
+++ b/pythonz/settings/sub_email.py
@@ -0,0 +1,8 @@
+
+SERVER_EMAIL = 'some@email.com'
+EMAIL_HOST = 'some.host.com'
+EMAIL_HOST_USER = 'some@email.com'
+EMAIL_HOST_PASSWORD = 'not_a_secret'
+EMAIL_USE_TLS = True
+
+EMAIL_BACKEND = 'sitemessage.backends.EmailBackend'
diff --git a/pythonz/settings/sub_intergration.py b/pythonz/settings/sub_intergration.py
new file mode 100644
index 00000000..8c0ee928
--- /dev/null
+++ b/pythonz/settings/sub_intergration.py
@@ -0,0 +1,47 @@
+from .sub_email import (
+    EMAIL_HOST,
+    EMAIL_HOST_PASSWORD,
+    EMAIL_HOST_USER,
+    EMAIL_USE_TLS,
+    SERVER_EMAIL,
+)
+
+SOCKS5_PROXY = ''
+"""Адрес socks5 для запросов во вне."""
+
+PARTNER_IDS = {}
+"""Здесь указываются партнёрские идентификаторы."""
+
+GOOGLE_API_KEY = 'not_a_secret'
+YANDEX_SEARCH_ID = 'not_a_secret'
+YANDEX_GEOCODER_KEY = 'not_a_secret'
+
+TELEGRAM_BOT_TOKEN = 'not_a_secret'
+TELEGRAM_BOT_URL = 'not_a_secret'
+TELEGRAM_GROUP = 'group_id or @channel_name'
+
+VK_ACCESS_TOKEN = 'not_a_secret'
+VK_GROUP = 'group id prefixed with -'
+
+# Сюда помещаются реквизиты для пользования соответствующими службами доставки сообщений (cм. sitemessages.py).
+SITEMESSAGE_INIT_BUILTIN_MESSAGE_TYPES = False
+SITEMESSAGE_SHORTCUT_EMAIL_MESSAGE_TYPE = 'simple'
+
+SITEMESSAGES_SETTINGS = {
+    'smtp': [
+        SERVER_EMAIL,
+        EMAIL_HOST_USER,
+        EMAIL_HOST_PASSWORD,
+        EMAIL_HOST,
+        None,
+        EMAIL_USE_TLS
+    ],
+    'telegram': [TELEGRAM_BOT_TOKEN],
+    'vk': [VK_ACCESS_TOKEN],
+}
+
+SITEGATE_REMOTES = {
+    'yandex': 'not_a_secret',
+    'google': 'not_a_secret',
+}
+"""Идентификаторы клиентов для внешней авторизации."""
diff --git a/pythonz/settings/sub_logging.py b/pythonz/settings/sub_logging.py
new file mode 100644
index 00000000..73035988
--- /dev/null
+++ b/pythonz/settings/sub_logging.py
@@ -0,0 +1,72 @@
+import os
+
+from .sub_paths import PROJECT_DIR_STATE
+
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'formatters': {
+        'simple': {
+            'format': '%(asctime)s %(levelname)s %(name)s: %(message)s'
+        },
+        'verbose': {
+            'format': '%(asctime)s %(levelname)s %(name)s (%(module)s) (%(process)d / %(thread)d): %(message)s'
+        },
+    },
+    'filters': {
+        'require_debug_false': {
+            '()': 'django.utils.log.RequireDebugFalse',
+        },
+        'require_debug_true': {
+            '()': 'django.utils.log.RequireDebugTrue',
+        },
+    },
+    'handlers': {
+        'mail_admins': {
+            'level': 'ERROR',
+            'filters': ['require_debug_false'],
+            'class': 'django.utils.log.AdminEmailHandler'
+        },
+        'console': {
+            'level': 'DEBUG',
+            'class': 'logging.StreamHandler',
+            'formatter': 'simple'
+        },
+        'null': {
+            'class': 'logging.NullHandler',
+        },
+    },
+    'loggers': {
+        'django.db.backends': {
+            'level': 'ERROR',
+            'handlers': ['console'],
+            'propagate': False,
+        },
+        'django.security.DisallowedHost': {
+            'handlers': ['null'],
+            'propagate': False,
+        },
+        'pythonz': {
+            'level': 'DEBUG',
+            'filters': ['require_debug_true'],
+            'handlers': ['console'],
+            'propagate': True,
+        },
+        'pythonz.apps.management.commands': {
+            'level': 'DEBUG',
+            'handlers': ['console'],
+            'propagate': False,
+        },
+    }
+}
+
+if not os.environ.get('PYTEST_VERSION'):
+    # запуск не из автотестов
+    LOGGING['handlers']['file'] = {
+        'level': 'DEBUG',
+        'class': 'logging.FileHandler',
+        'filename': f"{PROJECT_DIR_STATE / 'debug.log'}",
+        'formatter': 'verbose'
+    }
+
+LOGGERS = LOGGING['loggers']
diff --git a/pythonz/settings/sub_paths.py b/pythonz/settings/sub_paths.py
new file mode 100644
index 00000000..6b60374d
--- /dev/null
+++ b/pythonz/settings/sub_paths.py
@@ -0,0 +1,26 @@
+import os
+from pathlib import Path
+
+BASE_DIR = Path(__file__).absolute().parent.parent
+
+PROJECT_NAME = 'pythonz'
+PROJECT_DOMAIN = 'pythonz.net'
+
+PROJECT_DIR_STATE_LOCAL = BASE_DIR.parent / 'state'
+LOCAL_RUN = PROJECT_DIR_STATE_LOCAL.exists() or os.environ.get('PYTEST_VERSION')
+
+if LOCAL_RUN:
+    PROJECT_DIR_APP = BASE_DIR
+    PROJECT_DIR_STATE = PROJECT_DIR_STATE_LOCAL
+    PROJECT_DIR_RUN = PROJECT_DIR_STATE_LOCAL
+    PROJECT_DIR_CACHE = PROJECT_DIR_STATE_LOCAL
+
+else:
+    PROJECT_DIR_APP = Path('/srv') / PROJECT_NAME
+    PROJECT_DIR_STATE = Path('/var/lib') / PROJECT_NAME
+    PROJECT_DIR_RUN = Path('/run') / PROJECT_NAME
+    PROJECT_DIR_CACHE = Path('/var/cache') / PROJECT_NAME
+
+
+MEDIA_ROOT = f"{PROJECT_DIR_STATE / 'media'}/"
+STATIC_ROOT = f"{PROJECT_DIR_STATE / 'static'}/"
diff --git a/pythonz/settings/sub_security.py b/pythonz/settings/sub_security.py
new file mode 100644
index 00000000..c9aa2435
--- /dev/null
+++ b/pythonz/settings/sub_security.py
@@ -0,0 +1,32 @@
+PATH_CERTIFICATE = None
+CERTIFICATE_SELF_SIGNED = False
+
+SECRET_KEY = 'not_a_secret'
+
+
+SECURE_HSTS_SECONDS = 3600
+SECURE_HSTS_INCLUDE_SUBDOMAINS = True
+SECURE_CONTENT_TYPE_NOSNIFF = True
+SECURE_BROWSER_XSS_FILTER = True
+
+CSRF_COOKIE_SECURE = True
+SESSION_COOKIE_SECURE = True
+
+
+AUTH_USER_MODEL = 'apps.User'
+
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
diff --git a/pythonz/settings/sub_sentry.py b/pythonz/settings/sub_sentry.py
new file mode 100644
index 00000000..8fc97c6a
--- /dev/null
+++ b/pythonz/settings/sub_sentry.py
@@ -0,0 +1,17 @@
+import sentry_sdk
+from sentry_sdk.integrations.django import DjangoIntegration
+
+
+def init_sentry(*,dsn: str):
+    """Инициализирует машинерию Сентри.
+
+    :param dsn: Адрес для отправки событий.
+
+    """
+    sentry_sdk.init(
+        dsn=dsn,
+        integrations=[DjangoIntegration()],
+        traces_sample_rate=0.3,
+        send_default_pii=True,
+        max_breadcrumbs=10,
+    )
diff --git a/pythonz/urls.py b/pythonz/urls.py
new file mode 100644
index 00000000..964730b4
--- /dev/null
+++ b/pythonz/urls.py
@@ -0,0 +1,72 @@
+from sys import argv
+
+from django.conf import settings
+from django.conf.urls.static import static
+from django.contrib import admin
+from django.contrib.auth.views import (
+    LogoutView,
+    PasswordResetCompleteView,
+    PasswordResetConfirmView,
+    PasswordResetDoneView,
+    PasswordResetView,
+)
+from django.shortcuts import render
+from django.urls import include, path
+from robots.views import rules_list
+from sitegate.toolbox import get_sitegate_urls
+from sitemessage.toolbox import get_sitemessage_urls
+
+from .apps.realms import bootstrap_realms
+from .apps.views import index, login, page_not_found, permission_denied, search, server_error, telebot, user_settings
+
+urls_password_reset = [
+    path('password_reset/', PasswordResetView.as_view(), name='password_reset'),
+    path('password_reset/done/', PasswordResetDoneView.as_view(), name='password_reset_done'),
+    path('reset/<uidb64>/<token>/', PasswordResetConfirmView.as_view(), name='password_reset_confirm'),
+    path('reset/done/', PasswordResetCompleteView.as_view(), name='password_reset_complete'),
+]
+
+urlpatterns = [
+    path('', index, name='index'),
+    path('search/site/', render, {'template_name': 'static/search_site.html'}, name='search_site'),
+    path('search/', search, name='search'),
+    path('auth/', include(urls_password_reset)),
+    path('login/', login, name='login'),
+    path('settings/', user_settings, name='settings'),
+    path('logout/', LogoutView.as_view(), {'next_page': '/'}, name='logout'),
+    path('promo/', render, {'template_name': 'static/promo.html'}),
+    path('about/', render, {'template_name': 'static/about.html'}),
+    path('sitemap/', render, {'template_name': 'static/sitemap.html'}),
+    path('robots.txt', rules_list, name='robots_rule_list'),
+    path(f'{settings.TELEGRAM_BOT_URL}/', telebot),
+    path(f'{settings.ADMIN_URL}/', admin.site.urls),
+]
+
+urlpatterns += get_sitegate_urls()  # Цепляем URLы от sitegate,
+urlpatterns += get_sitemessage_urls()  # Цепляем URLы от sitemessage,
+
+# Используем собственные страницы ошибок.
+handler403 = permission_denied
+handler404 = page_not_found
+handler500 = server_error
+
+
+if settings.DEBUG:
+    # Чтобы работала отладочная панель.
+    import debug_toolbar
+    from django.urls import include, re_path
+
+    urlpatterns += [re_path(r'^__debug__/', include(debug_toolbar.urls)),]
+    # Чтобы статика раздавалась при runserver.
+    urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
+
+
+MIGRATION = len(argv) > 1 and argv[1] == 'migrate'
+"""
+Указание на то, что приложение вызвано из manage-скрипта с командой `migrate`.
+
+"""
+
+if not MIGRATION:
+    # Инициализируем области сайта.
+    bootstrap_realms(urlpatterns)
diff --git a/pythonz/uwsgicfg.py b/pythonz/uwsgicfg.py
new file mode 100644
index 00000000..ed78dff7
--- /dev/null
+++ b/pythonz/uwsgicfg.py
@@ -0,0 +1,53 @@
+from uwsgiconf.config import configure_uwsgi
+from uwsgiconf.presets.nice import PythonSection
+
+
+def get_configurations() -> PythonSection:
+
+    from django.conf import settings  # noqa: PLC0415
+
+    in_production = settings.IN_PRODUCTION
+
+    project = settings.PROJECT_NAME
+    domain = settings.PROJECT_DOMAIN
+
+    dir_state = settings.PROJECT_DIR_STATE
+
+    section = PythonSection.bootstrap(
+        f'http://:{80 if in_production else 8000}',
+        allow_shared_sockets=in_production,
+
+        wsgi_module=f'{project}.wsgi',
+        process_prefix=f'[{project}] ',
+
+        workers=3,
+        threads=3,
+
+        log_dedicated=True,
+        ignore_write_errors=True,
+        touch_reload=f"{dir_state / 'reloader'}",
+        owner=project if in_production else None,
+    )
+
+    section.set_runtime_dir(f'{settings.PROJECT_DIR_RUN}')
+
+    section.main_process.change_dir(f'{dir_state}')
+    section.workers.set_reload_params(max_requests=10000)
+
+    section.spooler.add(f"{dir_state / 'spool'}")
+
+    if in_production and domain:
+        section.configure_certbot_https(
+            domain=domain,
+            webroot=f"{dir_state / 'certbot'}",
+            allow_shared_sockets=True)
+
+        section.configure_https_redirect()
+
+    section.configure_maintenance_mode(
+        f"{dir_state / 'maintenance'}", section.get_bundled_static_path('503.html'))
+
+    return section
+
+
+configure_uwsgi(get_configurations)
diff --git a/pythonz/wsgi.py b/pythonz/wsgi.py
new file mode 100644
index 00000000..1fde5ce9
--- /dev/null
+++ b/pythonz/wsgi.py
@@ -0,0 +1,6 @@
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'pythonz.settings')
+application = get_wsgi_application()
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 314b2c16..00000000
--- a/requirements.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-awesome-slugify==1.6.5
-Django==1.8.3
-Fabric==1.10.1
-Pillow==2.8.2
-bleach==1.4.1
-beautifulsoup4==4.3.2
-pytz==2015.4
-requests==2.7.0
-twitter==1.16.0
-django-admirarchy==0.2.0
-django-datetime-widget==0.9.3
-django-debug-toolbar==1.3.0
-django-etc==0.7.1
-django-simple-history==1.6.2
-django-siteblocks==0.5.0
-django-sitecats==0.5.0
-django-siteflags==0.4.0
-django-sitegate==0.10.1
-django-sitemessage==0.6.0
-django-sitemetrics==0.5.0
-django-siteprefs==0.5.0
-django-sitetree==1.4.0
-django-xross==0.4.0
\ No newline at end of file
diff --git a/ruff.toml b/ruff.toml
new file mode 100644
index 00000000..e238d96b
--- /dev/null
+++ b/ruff.toml
@@ -0,0 +1,64 @@
+target-version = "py313"
+line-length = 120
+extend-exclude = [
+    "migrations",
+]
+
+[format]
+quote-style = "single"
+exclude = []
+
+[lint]
+select = [
+    "B",  # possible bugs
+    "BLE",  # broad exception
+    "C4",  # comprehensions
+    "DTZ",  # work with datetimes
+    "E",  # code style
+    "ERA",  # commented code
+    "EXE",  # check executables
+    "F",  # misc
+    "FA",  # future annotations
+    "FBT",  # booleans
+    "FURB",  # modernizing
+    "G",  # logging format
+    "I",  # imports
+    "ICN",  # import conventions
+    "INT",  # i18n
+    "ISC",  # stringc concat
+    "PERF",  # perfomance
+    "PIE",  # misc
+    "PLC",  # misc
+    "PLE",  # misc err
+    "PT",  # pytest
+    "PTH",  # pathlib
+    "PYI",  # typing
+    "RSE", # exc raise
+    "SLOT",  # slots related
+    "TC",  # typing
+    "UP",  # py upgrade
+]
+
+ignore = []
+
+
+[lint.extend-per-file-ignores]
+
+"pythonz/settings/*" = [
+    "F403",
+    "F405",
+]
+
+"pythonz/apps/views/__init__.py" = [
+    "F401",
+]
+
+"pythonz/apps/models/__init__.py" = [
+    "F401",
+]
+
+"pythonz/apps/sitemessages.py" = [
+    "E731",
+    "PLC0415",
+]
+
diff --git a/runtests.sh b/runtests.sh
index 7e8968e2..c0ee1ab2 100755
--- a/runtests.sh
+++ b/runtests.sh
@@ -1,9 +1,21 @@
 #!/bin/bash
 
+#
+# Run as follows:
+#   ./runtests.sh
+#   ./runtests.sh novenv
+#
+
+if [[ $1 != 'novenv' ]]; then
+
+    echo "Trying to use virtual environment '../venv' ..."
+
+    . .venv/bin/activate
+
+else
+
+    echo "Not using virtual environment ..."
 
-if [ $1 = 'venv' ];
-then
-. ../venv/bin/activate
 fi
 
-./manage_dev.py test apps -t .
+pytest
diff --git a/settings/__init__.py b/settings/__init__.py
deleted file mode 100644
index 01da5cf1..00000000
--- a/settings/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-__author__ = 'idle'
diff --git a/settings/base.py b/settings/base.py
deleted file mode 100644
index 5f96c1ef..00000000
--- a/settings/base.py
+++ /dev/null
@@ -1,139 +0,0 @@
-#
-# Для конфигурирования в ходе разработки используйте dev.py, а не этот файл.
-#
-from os.path import dirname
-
-from django.conf.global_settings import TEMPLATE_CONTEXT_PROCESSORS
-
-
-PATH_PROJECT = dirname(dirname(__file__))
-PATH_DATA = '%s/data' % PATH_PROJECT
-
-####################################################################
-
-SITE_URL = 'http://pythonz.net'
-
-PROJECT_SOURCE_URL = 'https://github.com/idlesign/pythonz'
-DEBUG = True
-
-SECRET_KEY = 'not_a_secret'
-ADMINS = ()
-
-DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': '%s/db/data.db' % PATH_DATA,
-    }
-}
-
-# Сюда помещаются реквизиты для пользования соответствующими службами доставки сообщений (cм. sitemessages.py).
-SITEMESSAGES_SETTINGS = {
-    'twitter': [],
-    'smtp': []
-}
-
-
-# Здесь указываются партнёрские идентификаторы.
-PARTNER_IDS = {}
-
-
-GOOGLE_API_KEY = 'not_a_secret'
-YANDEX_RCA_KEY = 'not_a_secret'
-
-# Переводит проект в агрессивный режим: задействует различную машинерию для привлечения внимания к проекту.
-AGRESSIVE_MODE = False
-
-####################################################################
-
-SITEMESSAGE_INIT_BUILTIN_MESSAGE_TYPES = False
-SITEMESSAGE_DEFAULT_SHORTCUT_EMAIL_MESSAGES_TYPE = 'simple'
-
-MANAGERS = ADMINS
-
-SITE_ID = 1
-
-AUTH_USER_MODEL = 'apps.User'
-
-TIME_ZONE = 'Asia/Novosibirsk'
-LANGUAGE_CODE = 'ru'
-ROOT_URLCONF = 'urls'
-WSGI_APPLICATION = 'wsgi.application'
-
-TEST_RUNNER = 'django.test.runner.DiscoverRunner'
-
-USE_I18N = True
-USE_L10N = True
-USE_TZ = True
-
-ADMIN_URL = 'admin'
-
-MEDIA_ROOT = '%s/media/' % PATH_DATA
-MEDIA_URL = '/media/'
-
-STATIC_ROOT = '%s/static/' % PATH_DATA
-STATIC_URL = '/static/'
-STATICFILES_DIRS = ('%s/static_src/' % PATH_DATA,)
-STATICFILES_FINDERS = (
-    'django.contrib.staticfiles.finders.FileSystemFinder',
-    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
-)
-
-
-MIDDLEWARE_CLASSES = (
-    'django.middleware.common.CommonMiddleware',
-    'django.contrib.sessions.middleware.SessionMiddleware',
-    'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.messages.middleware.MessageMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
-    'django.middleware.clickjacking.XFrameOptionsMiddleware',
-    'django.middleware.locale.LocaleMiddleware',
-    'apps.middleware.TimezoneMiddleware',
-    'simple_history.middleware.HistoryRequestMiddleware',
-)
-
-
-TEMPLATE_DEBUG = DEBUG
-TEMPLATE_LOADERS = (
-    'django.template.loaders.filesystem.Loader',
-    'django.template.loaders.app_directories.Loader',
-)
-TEMPLATE_CONTEXT_PROCESSORS += ('django.core.context_processors.request',)
-
-
-INSTALLED_APPS = (
-    'django.contrib.auth',
-    'django.contrib.contenttypes',
-    'django.contrib.sessions',
-    'django.contrib.sites',
-    'django.contrib.sitemaps',
-    'django.contrib.messages',
-    'django.contrib.staticfiles',
-    'django.contrib.admin',
-
-    'apps',
-
-    'admirarchy',
-    'sitecats',
-    'siteflags',
-    'sitetree',
-    'siteblocks',
-    'sitegate',
-    'sitemetrics',
-    'siteprefs',
-    'sitemessage',
-    'xross',
-    'etc',
-
-    'datetimewidget',
-    'simple_history',
-)
-
-
-if DEBUG:
-    # Обход ошибки импорта - ручное конфигурирование отладочной панели.
-    # https://github.com/django-debug-toolbar/django-debug-toolbar/issues/521.
-    DEBUG_TOOLBAR_PATCH_SETTINGS = False
-    MIDDLEWARE_CLASSES = ('debug_toolbar.middleware.DebugToolbarMiddleware',) + MIDDLEWARE_CLASSES
-    INSTALLED_APPS += ('debug_toolbar',)
-    # INSTALLED_APPS += ('debug_toolbar.apps.DebugToolbarConfig',)
-    INTERNAL_IPS = ['127.0.0.1']
diff --git a/settings/dev.py b/settings/dev.py
deleted file mode 100644
index 3d5a7ce2..00000000
--- a/settings/dev.py
+++ /dev/null
@@ -1,7 +0,0 @@
-#
-# Для конфигурирования в ходе разработки используйте этот файл, а не base.py
-#
-from .base import *
-
-
-ADMINS = (('me', 'me@some.where'),)
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 00000000..8fb915df
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,25 @@
+import os
+
+import pytest
+from pytest_djangoapp import configure_djangoapp_plugin
+
+# Используем имитатор вместо uwsgi.
+os.environ['UWSGICONF_FORCE_STUB'] = '1'
+
+pytest_plugins = configure_djangoapp_plugin(
+    settings='pythonz.settings.env_testing',
+    admin_contrib=True,
+    migrate=False,
+)
+
+
+@pytest.fixture
+def robot(user_create, settings):
+    """Возвращает объект пользователя-робота (суперпользователь)."""
+    return user_create(attributes={'id': settings.ROBOT_USER_ID}, superuser=True)
+
+
+@pytest.fixture
+def mock_get_location(monkeypatch):
+    monkeypatch.setattr(
+        'pythonz.apps.models.place.get_location_data', lambda location_name: {})
diff --git a/tests/integration/resources.py b/tests/integration/resources.py
new file mode 100644
index 00000000..d8a15f0b
--- /dev/null
+++ b/tests/integration/resources.py
@@ -0,0 +1,9 @@
+import pytest
+
+from pythonz.apps.integration.resources import PyDigestResource
+
+
+@pytest.mark.slow
+def test_py_digest():
+    entries = PyDigestResource.fetch_entries()
+    assert entries
diff --git a/tests/integration/test_integr_utils.py b/tests/integration/test_integr_utils.py
new file mode 100644
index 00000000..b8b91bae
--- /dev/null
+++ b/tests/integration/test_integr_utils.py
@@ -0,0 +1,45 @@
+import json
+
+import pytest
+
+from pythonz.apps.integration.utils import get_location_data, get_page_info
+
+
+@pytest.mark.slow
+def test_get_page_info():
+    info = get_page_info('https://pythonz.net/videos/127/')
+    assert info is None
+
+
+def test_get_location_data(response_mock):
+
+    json_response = json.dumps({'response': {
+        'GeoObjectCollection': {
+            'metaDataProperty': {'GeocoderResponseMetaData': {'found': 1}},
+            'featureMember': [
+                {'GeoObject': {
+                    'Point': {'pos': 'a b'},
+                    'boundedBy': {'Envelope': {'lowerCorner': '1', 'upperCorner': '2'}},
+                    'metaDataProperty': {
+                        'GeocoderMetaData': {
+                            'kind': 'xxx',
+                            'text': 'yyy',
+                            'AddressDetails': {'Country': {'CountryName': 'zzz'}}
+                        }
+                    }
+                }}
+            ]
+        }
+    }})
+
+    with response_mock(f'GET https://geocode-maps.yandex.ru/1.x/ -> 200 :{json_response}'):
+        result = get_location_data('Some')
+
+    assert result == {
+        'requested_name': 'Some',
+        'type': 'xxx',
+        'name': 'yyy',
+        'country': 'zzz',
+        'pos': 'b,a',
+        'bounds': '1|2'
+    }
diff --git a/tests/integration/test_partners.py b/tests/integration/test_partners.py
new file mode 100644
index 00000000..eba6d315
--- /dev/null
+++ b/tests/integration/test_partners.py
@@ -0,0 +1,80 @@
+from unittest.mock import Mock
+
+import pytest
+
+from pythonz.apps.integration import partners
+from pythonz.apps.integration.partners import get_partner_links
+from pythonz.apps.models import PartnerLink
+from pythonz.apps.realms import Book, BookRealm
+
+
+@pytest.fixture
+def assert_link_data():
+
+    def assert_link_data_(partner_cls, url):
+        partner = partner_cls(partner_id='dummy')
+
+        data = partner.get_link_data(Mock(), PartnerLink(url=url))
+
+        assert "руб" in data['price']
+        assert 'dummy' in data['url']
+
+        return data
+
+    return assert_link_data_
+
+
+@pytest.mark.slow
+def test_get_links(robot):
+
+    book = Book()
+    book.save()
+
+    urls = [
+        ('booksru', 'https://www.books.ru/books/bibliya-705085/'),
+        ('litres', 'https://www.litres.ru/mark-summerfield/programmirovanie-na-python-3-podrobnoe-rukovodstvo-24499518/'),
+    ]
+
+    links = []
+
+    for alias, url in urls:
+        link = PartnerLink(url=url, partner_alias=alias)
+        link.linked_object = book
+        link.save()
+        links.append(link)
+
+    data = get_partner_links(BookRealm, book)
+    assert len(data['links']) == 2
+
+
+@pytest.mark.slow
+def test_booksru(assert_link_data):
+
+    data = assert_link_data(
+        partners.BooksRu, 'https://www.books.ru/books/kapital-4985956/')
+
+    assert 'https://favicon.yandex.net/favicon/books.ru' == data['icon_url']
+
+
+@pytest.mark.slow
+def test_litres(assert_link_data):
+
+    assert_link_data(
+        partners.LitRes,
+        'https://www.litres.ru/book/karl-marks/nischeta-filosofii-63109882/')
+
+
+@pytest.mark.slow
+def test_bookvoed(assert_link_data):
+
+    assert_link_data(
+        partners.Bookvoed,
+        'https://www.bookvoed.ru/product/kapital-5139682')
+
+
+@pytest.mark.slow
+def test_book24(assert_link_data):
+
+    assert_link_data(
+        partners.Book24,
+        'https://book24.ru/product/legkiy-sposob-vyuchit-python-3-2209997/')
diff --git a/tests/integration/test_peps.py b/tests/integration/test_peps.py
new file mode 100644
index 00000000..143a49e6
--- /dev/null
+++ b/tests/integration/test_peps.py
@@ -0,0 +1,31 @@
+import pytest
+
+from pythonz.apps.integration.peps import strip_mail, sync
+
+
+def test_strip_mail():
+
+    result = strip_mail('Victor Stinner <victor.stinner at gmail.com>')
+
+    assert result == ['Victor Stinner']
+
+    result = strip_mail('Barry Warsaw, Jeremy Hylton, David Goodger, Nick Coghlan')
+
+    assert result == ['Barry Warsaw', 'Jeremy Hylton', 'David Goodger', 'Nick Coghlan']
+
+    result = strip_mail('paul at prescod.net (Paul Prescod)')
+
+    assert result == ['Paul Prescod']
+
+    result = strip_mail(
+        'Guido van Rossum <guido at python.org>, '
+        'Barry Warsaw <barry at python.org>, '
+        'Nick Coghlan <ncoghlan at gmail.com>')
+
+    assert result == ['Guido van Rossum', 'Barry Warsaw', 'Nick Coghlan']
+
+
+@pytest.mark.slow
+def test_sync(robot):
+    synced = sync(limit=3, skip_finalized=True)
+    assert len(synced) == 3
diff --git a/tests/integration/test_pypistats.py b/tests/integration/test_pypistats.py
new file mode 100644
index 00000000..9eb14421
--- /dev/null
+++ b/tests/integration/test_pypistats.py
@@ -0,0 +1,11 @@
+import pytest
+
+from pythonz.apps.integration.pypistats import get_for_package
+
+
+@pytest.mark.slow
+def test_basic():
+
+    data = get_for_package('django-sitetree')
+    assert data
+    assert data.popitem()[1] > 0
diff --git a/tests/integration/test_source_base.py b/tests/integration/test_source_base.py
new file mode 100644
index 00000000..c39a342d
--- /dev/null
+++ b/tests/integration/test_source_base.py
@@ -0,0 +1,32 @@
+from pythonz.apps.integration.base import RemoteSource
+
+
+class SourceGroup1(RemoteSource):
+
+    realm = 'group1'
+
+
+class SourceGroup2(RemoteSource):
+
+    realm = 'group2'
+
+
+class Src1Grp1(SourceGroup1):
+
+    alias = 'one'
+
+
+class Src2Grp1(SourceGroup1):
+
+    alias = 'two'
+
+
+def test_sources():
+
+    assert list(SourceGroup1.get_sources().keys()) == ['one', 'two']
+    assert list(SourceGroup2.get_sources().keys()) == []
+
+    assert SourceGroup1.get_source('one') is Src1Grp1
+
+    enum = SourceGroup1.get_enum()
+    assert enum.values == ['one', 'two']
diff --git a/tests/integration/test_summary.py b/tests/integration/test_summary.py
new file mode 100644
index 00000000..4b2fe78d
--- /dev/null
+++ b/tests/integration/test_summary.py
@@ -0,0 +1,132 @@
+import pytest
+from django.utils import timezone
+
+from pythonz.apps.integration.summary import Discuss, GithubTrending, Lwn, MailarchConferences, Psf, Stackoverflow
+
+pytestmark = [pytest.mark.slow]
+
+
+def test_lwn():
+
+    results, latest = Lwn(
+        previous_result=[],
+        previous_dt=None
+    ).run()
+
+    assert isinstance(results, list)
+    assert isinstance(latest, dict)
+    assert results
+
+    results, latest = Lwn(
+        previous_result=latest,
+        previous_dt=None
+    ).run()
+    assert isinstance(results, list)
+    assert isinstance(latest, dict)
+    assert not results
+
+
+def test_pipermail():
+
+    current, latest = MailarchConferences(
+        previous_result=[],
+        previous_dt=None,
+        year_month='2009-May'
+    ).run()
+
+    assert len(current) == 7
+    assert not current[0].title.startswith('[')
+    assert len(latest) == 1
+    assert latest[0] == 'https://mail.python.org/pipermail/conferences/2009-May/000016.html'
+
+    prev_result = ['https://mail.python.org/pipermail/conferences/2009-May/000009.html']
+
+    current, latest = MailarchConferences(
+        previous_result=prev_result,
+        previous_dt=None,
+        year_month='2009-May'
+    ).run()
+
+    assert len(current) == 4
+    assert len(latest) == 1
+
+    MailarchConferences(
+        previous_result=['faked'],
+        previous_dt=None
+    ).run()
+
+    assert len(latest) == 1
+
+
+def test_discuss():
+
+    current, latest = Discuss(
+        previous_result=[],
+        previous_dt=None,
+    ).run()
+
+    assert current
+    assert latest
+
+
+def test_psf():
+
+    current, latest = Psf(
+        previous_result=[],
+        previous_dt=None,
+    ).run()
+
+    assert current
+    assert latest
+
+    current_2, latest_2 = Psf(
+        previous_result=latest,
+        previous_dt=None,
+    ).run()
+
+    assert latest == latest_2
+    assert current_2 == []
+
+
+def test_github():
+
+    current, latest = GithubTrending(
+        previous_result=[],
+        previous_dt=None
+    ).run()
+
+    assert current
+
+    len_latest = len(latest)
+    len_current = len(current)
+
+    assert len_latest == len_current
+
+    one_latest = latest.pop()
+
+    current, latest = GithubTrending(
+        previous_result=latest,
+        previous_dt=None
+    ).run()
+
+    assert len(current) == 1
+    assert len(latest) == 1
+    assert one_latest in latest
+
+
+@pytest.mark.skip('403 ошибка при получении csv')
+def test_stack():
+
+    current, latest = Stackoverflow(
+        previous_result=[],
+        previous_dt=None
+    ).run()
+
+    assert len(latest)
+
+    current, latest = Stackoverflow(
+        previous_result=[],
+        previous_dt=timezone.now()
+    ).run()
+
+    assert not len(latest)  # за сегодня ещё нет вопросов
diff --git a/tests/integration/test_videos.py b/tests/integration/test_videos.py
new file mode 100644
index 00000000..7a6e3971
--- /dev/null
+++ b/tests/integration/test_videos.py
@@ -0,0 +1,15 @@
+from pythonz.apps.integration.videos import VideoBroker
+
+
+def test_youtube():
+
+    img_expected = 'http://img.youtube.com/vi/WW0DTSioHQU/default.jpg'
+
+    emb, img = VideoBroker.get_data_from_youtube('https://youtu.be/WW0DTSioHQU')
+
+    assert 'embed' in emb
+    assert img == img_expected
+
+    emb, img = VideoBroker.get_data_from_youtube('https://youtu.be/WW0DTSioHQU?some=1&other=2')
+    assert 'embed' in emb
+    assert img == img_expected
diff --git a/tests/models/test_app.py b/tests/models/test_app.py
new file mode 100644
index 00000000..95e624ad
--- /dev/null
+++ b/tests/models/test_app.py
@@ -0,0 +1,20 @@
+import pytest
+
+from pythonz.apps.models import App
+
+
+@pytest.mark.slow
+def test_basic(robot):
+
+    app1 = App.objects.create(slug='pytest-djangoapp', submitter=robot, status=App.Status.PUBLISHED)
+    app2 = App.objects.create(slug='srptools', submitter=robot, status=App.Status.PUBLISHED)
+
+    updated = App.actualize_downloads()
+
+    assert updated == 2
+
+    app1.refresh_from_db()
+    app2.refresh_from_db()
+
+    assert app1.downloads
+    assert app2.downloads
diff --git a/tests/models/test_model_book.py b/tests/models/test_model_book.py
new file mode 100644
index 00000000..bfb74a5f
--- /dev/null
+++ b/tests/models/test_model_book.py
@@ -0,0 +1,34 @@
+from pythonz.apps.models import Book
+
+
+def test_partner_links_enrich(robot):
+    data = {
+        'первая': {
+            'здесь1': 'booksru',
+            'здесь2': 'booksru',
+            'там1': 'litres',
+        },
+    }
+    links = Book.partner_links_enrich(data)
+
+    assert Book.objects.count() == 1
+
+    assert len(links) == 3
+    link = links[0]
+    assert link.url == 'здесь1'
+    assert link.partner_alias == 'booksru'
+
+    data.update({
+        'первая': {
+            'здесь3': 'booksru',  # добавится эта ссылка.
+        },
+        'тоже первая': {
+            'здесь2': 'booksru',
+        },
+        'третья': {  # и эта книга.
+            'там2': 'litres',  # и эта ссылка
+        },
+    })
+    links = Book.partner_links_enrich(data)
+    assert Book.objects.count() == 2
+    assert len(links) == 2
diff --git a/tests/models/test_model_event.py b/tests/models/test_model_event.py
new file mode 100644
index 00000000..d7c6158b
--- /dev/null
+++ b/tests/models/test_model_event.py
@@ -0,0 +1,17 @@
+import pytest
+from django.db import IntegrityError
+
+from pythonz.apps.models import Event
+
+
+def test_event_unique_source(robot):
+    Event.objects.create(submitter=robot, src_alias='one', src_id='10')
+
+    with pytest.raises(IntegrityError):
+        Event.objects.create(submitter=robot, src_alias='one', src_id='10')
+
+
+@pytest.mark.slow
+def test_event_fetch_items(robot, mock_get_location):
+    Event.fetch_items()
+    assert Event.objects.first().time_published
diff --git a/tests/models/test_model_external.py b/tests/models/test_model_external.py
new file mode 100644
index 00000000..24f6447c
--- /dev/null
+++ b/tests/models/test_model_external.py
@@ -0,0 +1,8 @@
+import pytest
+
+from pythonz.apps.models import ExternalResource
+
+
+@pytest.mark.slow
+def test_external():
+    ExternalResource.fetch_new()
diff --git a/tests/models/test_model_pep.py b/tests/models/test_model_pep.py
new file mode 100644
index 00000000..b1331177
--- /dev/null
+++ b/tests/models/test_model_pep.py
@@ -0,0 +1,16 @@
+from pythonz.apps.models import PEP
+
+
+def test_pep(robot):
+
+    pep1 = PEP(num=1)
+    pep1.save()
+
+    pep9999 = PEP(num=9999)
+    pep9999.save()
+
+    assert pep1.get_link_to_pyorg() == 'https://www.python.org/dev/peps/pep-0001/'
+    assert pep9999.get_link_to_pyorg() == 'https://www.python.org/dev/peps/pep-9999/'
+
+    assert pep1.get_absolute_url(with_prefix=True) == 'https://pythonz.net/peps/named/0001/'
+    assert pep9999.get_absolute_url(with_prefix=True) == 'https://pythonz.net/peps/named/9999/'
diff --git a/tests/models/test_model_person.py b/tests/models/test_model_person.py
new file mode 100644
index 00000000..90c4612d
--- /dev/null
+++ b/tests/models/test_model_person.py
@@ -0,0 +1,26 @@
+from pythonz.apps.models import Person
+
+
+def test_person():
+
+    known = {}
+
+    person = Person(
+        name='Натаниэль Смит',
+        name_en='Nathaniel Smith',
+        aka='Nathaniel J. Smith; N.J. Smith',
+    )
+    Person.contribute_to_known_persons(person, known)
+
+    assert set(known.keys()) == {
+        'Смит Натаниэль',
+        'Smith N.J.',
+        'N. Smith',
+        'N.J. Smith',
+        'Smith Nathaniel',
+        'Натаниэль Смит',
+        'Н. Смит',
+        'Nathaniel Smith',
+        'Nathaniel J. Smith',
+        'N. J. Smith'
+    }
diff --git a/tests/models/test_model_reference.py b/tests/models/test_model_reference.py
new file mode 100644
index 00000000..66d0f853
--- /dev/null
+++ b/tests/models/test_model_reference.py
@@ -0,0 +1,18 @@
+from pythonz.apps.models import Reference
+
+
+def test_reference_types(robot):
+
+    ref = Reference.objects.create(
+        title='func', type=Reference.Type.FUNCTION, submitter=robot)
+
+    assert ref.is_type_callable  # Enum
+    ref.refresh_from_db()
+    assert ref.is_type_callable  # Int
+
+    ref = Reference.objects.create(
+        title='chap', type=Reference.Type.CHAPTER, submitter=robot)
+
+    assert ref.is_type_bundle
+    ref.refresh_from_db()
+    assert ref.is_type_bundle
diff --git a/tests/models/test_model_summary.py b/tests/models/test_model_summary.py
new file mode 100644
index 00000000..6fe531d2
--- /dev/null
+++ b/tests/models/test_model_summary.py
@@ -0,0 +1,16 @@
+from pythonz.apps.integration.summary.base import SummaryItem
+from pythonz.apps.models import Category, Summary
+
+
+def test_create_article(robot):
+    Category(creator=robot).save()
+    article = Summary.create_article({
+        'psf': [
+            SummaryItem('https://some.iii/a/b', 'This| nice', 'do ` best'),
+            SummaryItem('https://other.iii/d/f', 'title', 'descr'),
+        ]
+    })
+    assert article
+    assert article.text_src == (
+        '.. title:: Блог PSF\n.. table::\n'
+        '`This nice<https://some.iii/a/b>`_ — do  best\n`title<https://other.iii/d/f>`_ — descr\n\n\n')
diff --git a/tests/models/test_model_vacancy.py b/tests/models/test_model_vacancy.py
new file mode 100644
index 00000000..5cff9ef3
--- /dev/null
+++ b/tests/models/test_model_vacancy.py
@@ -0,0 +1,16 @@
+import pytest
+from django.db import IntegrityError
+
+from pythonz.apps.models import Vacancy
+
+
+def test_vacancy_unique_source(robot):
+    Vacancy.objects.create(submitter=robot, src_alias='one', src_id='10')
+
+    with pytest.raises(IntegrityError):
+        Vacancy.objects.create(submitter=robot, src_alias='one', src_id='10')
+
+
+@pytest.mark.slow
+def test_vacancy_fetch_items(robot, mock_get_location):
+    Vacancy.fetch_items()
diff --git a/tests/test_utils.py b/tests/test_utils.py
new file mode 100644
index 00000000..84f4836f
--- /dev/null
+++ b/tests/test_utils.py
@@ -0,0 +1,177 @@
+from pythonz.apps.utils import BasicTypograph, PersonName, TextCompiler, swap_layout, url_mangle
+
+
+def test_person_name():
+
+    name = PersonName('Иван Иванов')
+
+    assert name.first_last == 'Иван Иванов'
+    assert name.last_first == 'Иванов Иван'
+    assert name.full == 'Иван Иванов'
+    assert name.short == 'И. Иванов'
+    assert name.first == 'Иван'
+    assert name.last == 'Иванов'
+    assert name.is_valid
+    assert len(name.get_variants) == 3
+
+    name = PersonName('Guido van Rossum')
+
+    assert name.first_last == 'Guido Rossum'
+    assert name.last_first == 'Rossum Guido'
+    assert name.full == 'Guido van Rossum'
+    assert name.short == 'G. van Rossum'
+    assert name.first == 'Guido'
+    assert name.last == 'Rossum'
+    assert name.is_valid
+    assert len(name.get_variants) == 4
+
+    name = PersonName('Натаниэль Дж. Смит')
+
+    assert name.first_last == 'Натаниэль Смит'
+    assert name.last_first == 'Смит Натаниэль'
+    assert name.full == 'Натаниэль Дж. Смит'
+    assert name.short == 'Н. Дж. Смит'
+    assert name.first == 'Натаниэль'
+    assert name.last == 'Смит'
+    assert name.is_valid
+    assert len(name.get_variants) == 4
+
+    name = PersonName('Петров')
+
+    assert name.first_last == ''
+    assert name.last_first == ''
+    assert name.full == ''
+    assert name.short == ''
+    assert name.first == ''
+    assert name.last == ''
+    assert not name.is_valid
+    assert name.get_variants == []
+
+
+def test_url_mangle():
+
+    assert url_mangle('http://some.com/not/very/long/url') == 'http://some.com/not/very/long/url'
+    assert url_mangle('http://some.com/path/to/some/resource/which/ends?with=this#stuff') == 'http://some.com/<...>ends'
+    assert url_mangle('http://some.com/') == 'http://some.com/'
+    assert url_mangle('http://some.com'), 'http://some.com'
+
+
+def test_typography():
+
+    input_str = ("Мама     ''мыла'' раму. "
+                'Фабрика “Красная Заря”. '
+                '"Маме - раму!",- кричал\tИван. '
+                'Температура повысилась на 7-8 градусов. '
+                '(c), (r), (tm) заменяем на правильные. '
+                '"строка\nперенесена')
+
+    expected_str = ('Мама «мыла» раму. '
+                   'Фабрика «Красная Заря». '
+                   '«Маме — раму!»,— кричал Иван. '
+                   'Температура повысилась на 7–8 градусов. '
+                   '©, ®, ™ заменяем на правильные. '
+                   '«строка\nперенесена')
+
+    assert BasicTypograph.apply_to(input_str) == expected_str
+
+
+def test_text_compiler():
+
+    compile = TextCompiler.compile
+
+    assert compile('- ``func(*args, **kwargs)`` -') == '- <code>func(*args, **kwargs)</code> -'
+    assert compile("    myfunc(*[1], **{'three': 'some'})") == "    myfunc(*[1], **{'three': 'some'})"
+
+    assert (
+        'is <a href="https://some.org">https://some.org</a></td>' in
+        compile('.. table::\n`one / two<https://some.com>`_ - is https://some.org\nanother\n\n\n')
+    )
+
+    assert compile('2 ** 10d') == '2 ** 10d'
+
+    assert (
+        compile('``zip(*[iter(s)] * n)``\nlist(zip(*[iter(seq)] * 2))  # [(1, 2), (3, 4), (5, 6)]') ==
+        '<code>zip(*[iter(s)] * n)</code><br>list(zip(*[iter(seq)] * 2))  # [(1, 2), (3, 4), (5, 6)]')
+
+    assert compile('2 ** 10d') == '2 ** 10d'
+
+    assert compile('**some**') == '<b>some</b>'
+    assert compile('*some*') == '<i>some</i>'
+    assert compile('**1.** пункт') == '<b>1.</b> пункт'
+    assert compile('```\nздесь цитата\n```') == '<blockquote>здесь цитата</blockquote>'
+
+    assert compile('``some``') == '<code>some</code>'
+
+    assert compile('http://some.url/') == '<a href="http://some.url/">http://some.url/</a>'
+    assert compile(
+        '`This is httpserver link<http://some.url/>`_') == '<a href="http://some.url/">This is httpserver link</a>'
+    assert (
+        compile('Пробуем `ссылку с [именем] <http://some.com/here/there/>`_.') ==
+        'Пробуем <a href="http://some.com/here/there/">ссылку с [именем] </a>.')
+
+    assert compile('\n* Some.\n\n') == '<br><ul><li>Some.</li></ul><br>'
+    assert compile('\n* Some.\n* Other.\n\n') == '<br><ul><li>Some.</li><li>Other.</li></ul><br>'
+
+    assert (
+        compile('.. gist:: someuser/gisthashhere\n') ==
+        '<script src="https://gist.github.com/someuser/gisthashhere.js"></script>')
+
+    assert (
+        compile('.. video:: https://youtu.be/ZE7WsnmGZ3U?t=10\n') ==
+        '<div class="embed-responsive embed-responsive-16by9">'
+        '<iframe src="//www.youtube.com/embed/ZE7WsnmGZ3U?start=10&rel=0" '
+        'width="560" height="315" frameborder="0" allowfullscreen></iframe></div>')
+
+    assert (
+        compile('.. podster:: http://mtpod.podster.fm/0\n') ==
+        '<iframe width="100%" height="85" src="http://mtpod.podster.fm/0/embed/13?link=1" '
+        'frameborder="0" allowtransparency="true"></iframe>')
+
+    assert (
+        compile('.. image:: http://some.url/img.png\n') ==
+        '<img alt="http://some.url/img.png" src="http://some.url/img.png" '
+        'data-canonical-src="http://some.url/img.png" style="max-width:100%;">')
+
+    assert (
+        compile('.. code:: python\nprint("some")\n\n\n') ==
+        '<pre><code class="python">print("some")</code></pre><br>')
+
+    assert (
+        compile('.. code:: html\nprint("some")\n\n\n') ==
+        '<pre><code class="html">print("some")</code></pre><br>')
+
+    assert (
+        compile('.. table::\n``x(?<!y)`` | 2|2 | 3 \n4 | 5 | 6\n\n\n') ==
+        '<div class="table-responsive"><table class="table table-striped table-bordered table-hover">'
+        '<tr><td><code>x(?&lt;!y)</code></td><td>2|2</td><td>3</td></tr><tr><td>4</td><td>5</td><td>6</td></tr></table></div><br>')
+
+    assert (
+        compile('.. table::\n! 1 | 2 | 3\n4 | 5 | 6\n\n\n') ==
+        '<div class="table-responsive"><table class="table table-striped table-bordered table-hover">'
+        '<thead><tr><th>1</th><th>2</th><th>3</th></tr></thead><tr><td>4</td><td>5</td><td>6</td></tr></table></div><br>')
+
+    assert (
+        compile('.. table::\n!b:d+ 1 | 2 | 3 \n 4 | !b:i 5 | 6\n\n\n') ==
+        '<div class="table-responsive"><table class="table table-striped table-bordered table-hover">'
+        '<tr class="danger"><td>1</td><td>2</td><td>3</td></tr>'
+        '<tr><td>4</td><td class="info">5</td><td>6</td></tr></table></div><br>')
+
+    assert (
+        compile('.. note:: a note\n') ==
+        '<div class="card mb-3"><div class="card-header text-white bg-success">'
+        'На заметку</div><div class="card-body">a note</div></div>')
+
+    assert (
+        compile('.. warning:: a warn\n') ==
+        '<div class="card mb-3"><div class="card-header text-white bg-danger">'
+        'Внимание</div><div class="card-body">a warn</div></div>')
+
+    compiled = compile('.. poll:: absdefgh\n\n\n')
+    assert 'absdefgh' in compiled
+    assert 'yastatic' in compiled
+
+
+def test_swap_layout():
+    assert swap_layout('вуа') == 'def'
+    assert not swap_layout('def')
+    assert swap_layout('Ш рфму ыуут ьщку ерфт ьщыею') == 'I have seen more than most.'
diff --git a/tests/views/test_smoke.py b/tests/views/test_smoke.py
new file mode 100644
index 00000000..5e17fd15
--- /dev/null
+++ b/tests/views/test_smoke.py
@@ -0,0 +1,304 @@
+import pytest
+from django.core.exceptions import FieldDoesNotExist
+from django.utils import timezone
+from sitecats.models import ModelWithCategory
+
+from pythonz.apps.realms import PEP, Article, Category, get_realm
+
+
+@pytest.fixture
+def check_page(request_client):
+
+    def check(view, *, assertions, args=None, user=None, data: dict | None = None):
+
+        client = request_client(user=user)
+
+        kwargs = {}
+        if data is None:
+            method = client.get
+        else:
+            method = client.post
+            kwargs['data'] = data
+
+        response = method(
+            (view, args),
+            **kwargs,
+            follow=True
+        )
+        content = response.content.decode()
+
+        for assertion in assertions:
+            assert assertion in content, content
+
+        return content
+
+    return check
+
+
+@pytest.fixture
+def init_category(robot, monkeypatch):
+
+    def init_category_(*, title):
+        category, _ = Category.objects.get_or_create(
+            creator=robot,
+            title=title,
+        )
+        return category
+
+    return init_category_
+
+
+@pytest.fixture
+def check_realm(check_page, robot, monkeypatch, request_client, init_category):
+
+    def check_realm_(alias, *, views_hooks: dict | None = None, obj_kwargs=None, add_kwargs=None):
+
+        views_hooks = views_hooks or {}
+        obj_kwargs = obj_kwargs or {}
+        add_kwargs = add_kwargs or {}
+
+        realm = get_realm(alias)
+
+        model = realm.model
+
+        obj_title = f'{model._meta.verbose_name} заголовок'
+
+        obj_kwargs_base = {
+            'submitter': robot,
+        }
+
+        try:
+            model._meta.get_field('title')
+            obj_kwargs_base['title'] = obj_title
+
+        except FieldDoesNotExist:
+            pass
+
+        if 'status' not in obj_kwargs:
+            obj_kwargs_base['status'] = model.Status.PUBLISHED
+
+        obj = model.objects.create(**{**obj_kwargs, **obj_kwargs_base})
+
+        supports_categories = issubclass(model, ModelWithCategory)
+
+        if supports_categories:
+            category_1 = init_category(title='catone')
+            obj.add_to_category(category_1, user=robot)
+
+        if 'listing' in realm.allowed_views:
+
+            hook = views_hooks.get('listing')
+            checks = []
+
+            if supports_categories:
+                checks.append(f'small">{category_1.title}</a>')
+
+            not hook and checks.extend([
+                f'{model._meta.verbose_name_plural}<',
+                f'{obj_title}',
+            ])
+
+            result = check_page(
+                realm.get_listing_urlname(),
+                assertions=checks)
+
+            hook and hook(result)
+
+        if 'details' in realm.allowed_views:
+
+            hook = views_hooks.get('details')
+            checks = []
+
+            not hook and checks.extend([
+                f'{obj_title}<',
+            ])
+
+            result = check_page(
+                realm.get_details_urlname(),
+                args={'obj_id': obj.id},
+                assertions=checks)
+
+            hook and hook(result)
+
+        if 'add' in realm.allowed_views and add_kwargs:
+
+            add_kwargs.update({
+                'pythonz_form': '1',
+                '__submit': 'siteform',
+            })
+
+            hook = views_hooks.get('add')
+            checks = []
+
+            not hook and checks.extend([
+                'title="Добавил: ',  # страница деталей содержит этот текст
+
+            ])
+
+            result = check_page(
+                realm.get_add_urlname(),
+                data=add_kwargs,
+                args={},
+                assertions=checks, user=robot)
+
+            hook and hook(result)
+
+        if 'edit' in realm.allowed_views:
+
+            hook = views_hooks.get('edit')
+            checks = []
+
+            not hook and checks.extend([
+                'Выход</a>',
+                f'{realm.txt_form_edit}</h1>',
+            ])
+
+            result = check_page(
+                realm.get_edit_urlname(),
+                args={'obj_id': obj.id},
+                assertions=checks, user=robot)
+
+            hook and hook(result)
+
+        if realm.syndication_enabled:
+            client = request_client(user=None)
+            content = client.get(f'/{realm.name_plural}/feed/').content.decode()
+            assert f'<guid isPermaLink="false">{realm.name}_{obj.id}</guid>' in content
+
+    return check_realm_
+
+
+def test_index(check_page):
+
+    check_page('index', assertions=[
+        'Вход</a>',
+        'Статьи</a>',
+        'Про Python</h1>',
+    ])
+
+
+def test_search_site(check_page):
+
+    check_page('search_site', assertions=[
+        'Поиск по сайту</h1>',
+    ])
+
+
+def test_search(check_page):
+
+    check_page('search', assertions=[
+        'Про Python</h1>',  # Перенаправление на главную.
+    ])
+
+
+def test_login(check_page):
+
+    check_page('login', assertions=[
+        'Вход</h2>',
+    ])
+
+
+def test_logout(check_page, robot):
+
+    check_page('logout', assertions=[
+        'Про Python</h1>',  # Перенаправление на главную.
+    ], data = {}, user=robot)
+
+
+def test_settings(check_page, robot):
+
+    check_page('settings', assertions=[
+        'Выход</a>',
+        'Настройки</h1>',
+    ], user=robot)
+
+
+def test_robots(check_page):
+
+    check_page('robots_rule_list', assertions=[
+        'User-agent',
+    ])
+
+
+def test_books(check_realm):
+    check_realm('book')
+
+
+def test_videos(check_realm):
+    check_realm('video')
+
+
+def test_events(check_realm, request_client):
+
+    check_realm('event', add_kwargs={
+        'title': 'one',
+        'type': '1',
+        'specialization': '1',
+        'description': '3123',
+        'text_src': 'qwreewr',
+    })
+
+
+def test_vacancies(check_realm):
+    check_realm('vacancy')
+
+
+@pytest.mark.skip('Разобраться с resolve, использующим локаль')  # todo
+def test_references(check_realm):
+    check_realm('reference')
+
+
+def test_articles(check_realm):
+    check_realm('article')
+
+
+def test_places(check_realm):
+    check_realm('place')
+
+
+def test_discussions(check_realm):
+    check_realm('discussion')
+
+
+def test_users(check_realm):
+    check_realm(
+        'user',
+        obj_kwargs={'username': 'Пользователь заголовок', 'profile_public': True},
+        views_hooks={'edit': lambda contents: True})
+
+
+def test_communities(check_realm):
+    check_realm('community')
+
+
+def test_versions(check_realm):
+    check_realm('version', obj_kwargs={
+        'date': timezone.now()
+    })
+
+
+def test_peps(check_realm):
+    check_realm('pep', obj_kwargs={
+        'num': 1,
+        'status': PEP.Status.ACTIVE,
+    })
+
+
+def test_persons(check_realm):
+    check_realm('person', obj_kwargs={
+        'name_en': 'Персона заголовок',
+    })
+
+
+def test_categories_feed(request_client, robot, init_category):
+    client = request_client(user=None)
+
+    category = init_category(title='someti')
+
+    article = Article(submitter=robot)
+    article.mark_published()
+    article.save()
+    article.add_to_category(category, user=robot)
+
+    content = client.get(f'/categories/{category.id}/feed/').content.decode()
+    assert f'<guid isPermaLink="false">article_{article.id}</guid>' in content
diff --git a/urls.py b/urls.py
deleted file mode 100644
index 5d71ef05..00000000
--- a/urls.py
+++ /dev/null
@@ -1,45 +0,0 @@
-from siteprefs.toolbox import autodiscover_siteprefs
-from sitegate.toolbox import get_sitegate_urls
-from sitemessage.toolbox import get_sitemessage_urls
-from django.conf.urls import patterns, include, url
-from django.shortcuts import render
-from django.conf import settings
-from django.conf.urls.static import static
-from django.contrib import admin
-
-from apps.realms import bootstrap_realms  # Здесь относительный импорт работать не будет.
-from apps.views import page_not_found, permission_denied, server_error
-
-autodiscover_siteprefs()
-
-
-urlpatterns = patterns('',
-    url(r'^$', 'apps.views.index', name='index'),
-    url(r'^search/site/$', render, {'template_name': 'static/search_site.html'}),
-    url(r'^search/$', 'apps.views.search', name='search'),
-    url(r'^login/$', 'apps.views.login', name='login'),
-    url(r'^logout/$', 'django.contrib.auth.views.logout', {'next_page': '/'}, name='logout'),
-    url(r'^promo/$', render, {'template_name': 'static/promo.html'}),
-    url(r'^about/$', render, {'template_name': 'static/about.html'}),
-    url(r'^sitemap/$', render, {'template_name': 'static/sitemap.html'}),
-    url(r'^%s/' % settings.ADMIN_URL, include(admin.site.urls)),
-)
-
-urlpatterns += get_sitegate_urls()  # Цепляем URLы от sitegate,
-urlpatterns += get_sitemessage_urls()  # Цепляем URLы от sitemessage,
-
-bootstrap_realms(urlpatterns)  # Инициализируем области
-
-
-# Используем собственные страницы ошибок.
-handler403 = permission_denied
-handler404 = page_not_found
-handler500 = server_error
-
-
-if settings.DEBUG:
-    # Чтобы рабютала отладочная панель.
-    import debug_toolbar
-    urlpatterns += patterns('', url(r'^__debug__/', include(debug_toolbar.urls)),)
-    # Чтобы статика раздавалась при runserver.
-    urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
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index 00000000..55722baf
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diff --git a/wscaff.yml b/wscaff.yml
new file mode 100644
index 00000000..a130630a
--- /dev/null
+++ b/wscaff.yml
@@ -0,0 +1,8 @@
+
+remotes: 84.201.133.6
+
+project:
+    name: pythonz
+    repo: git@github.com:idlesign/pythonz.git
+    domain: pythonz.net
+    email: idlesign@yandex.ru
diff --git a/wsgi.py b/wsgi.py
deleted file mode 100644
index 5f889d4f..00000000
--- a/wsgi.py
+++ /dev/null
@@ -1,11 +0,0 @@
-import os
-import sys
-
-from django.core.wsgi import get_wsgi_application
-
-# Для правильного импорта модулей добавим пару путей в список поиска:
-PROJECT_PATH = os.path.realpath(os.path.dirname(__file__))
-sys.path = [os.path.dirname(PROJECT_PATH), PROJECT_PATH] + sys.path
-
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'settings.dev')
-application = get_wsgi_application()