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bpo-44235: Remove deprecated functions in the gettext module. #26378

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Merged
corona10 merged 4 commits into from
May 30, 2021
Merged

bpo-44235: Remove deprecated functions in the gettext module. #26378

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0e94daa
bpo-44235: Remove deprecated functions in the gettext module.
corona10 May 26, 2021
ef0d7a0
bpo-44235 Address code review
corona10 May 27, 2021
379c0bf
bpo-44235: fix nit style
corona10 May 27, 2021
ea537c1
bpo-44235: revert _as_int
corona10 May 30, 2021
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97 changes: 7 additions & 90 deletions 97 Doc/library/gettext.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -46,16 +46,6 @@ class-based API instead.
returned. [#]_


.. function:: bind_textdomain_codeset(domain, codeset=None)

Bind the *domain* to *codeset*, changing the encoding of byte strings
returned by the :func:`lgettext`, :func:`ldgettext`, :func:`lngettext`
and :func:`ldngettext` functions.
If *codeset* is omitted, then the current binding is returned.

.. deprecated-removed:: 3.8 3.10


.. function:: textdomain(domain=None)

Change or query the current global domain. If *domain* is ``None``, then the
Expand Down Expand Up @@ -108,29 +98,6 @@ class-based API instead.
.. versionadded:: 3.8


.. function:: lgettext(message)
.. function:: ldgettext(domain, message)
.. function:: lngettext(singular, plural, n)
.. function:: ldngettext(domain, singular, plural, n)

Equivalent to the corresponding functions without the ``l`` prefix
(:func:`.gettext`, :func:`dgettext`, :func:`ngettext` and :func:`dngettext`),
but the translation is returned as a byte string encoded in the preferred
system encoding if no other encoding was explicitly set with
:func:`bind_textdomain_codeset`.

.. warning::

These functions should be avoided in Python 3, because they return
encoded bytes. It's much better to use alternatives which return
Unicode strings instead, since most Python applications will want to
manipulate human readable text as strings instead of bytes. Further,
it's possible that you may get unexpected Unicode-related exceptions
if there are encoding problems with the translated strings.

.. deprecated-removed:: 3.8 3.10


Note that GNU :program:`gettext` also defines a :func:`dcgettext` method, but
this was deemed not useful and so it is currently unimplemented.

Expand Down Expand Up @@ -181,7 +148,7 @@ install themselves in the built-in namespace as the function :func:`_`.
the environment variables.


.. function:: translation(domain, localedir=None, languages=None, class_=None, fallback=False, codeset=None)
.. function:: translation(domain, localedir=None, languages=None, class_=None, fallback=False)

Return a :class:`*Translations` instance based on the *domain*, *localedir*,
and *languages*, which are first passed to :func:`find` to get a list of the
Expand All @@ -205,15 +172,13 @@ install themselves in the built-in namespace as the function :func:`_`.
.. versionchanged:: 3.3
:exc:`IOError` used to be raised instead of :exc:`OSError`.

.. deprecated-removed:: 3.8 3.10
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The *codeset* parameter.

.. versionchanged:: 3.11
*codeset* parameter is removed.

.. function:: install(domain, localedir=None, codeset=None, names=None)
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.. function:: install(domain, localedir=None, *, names=None)

This installs the function :func:`_` in Python's builtins namespace, based on
*domain*, *localedir*, and *codeset* which are passed to the function
:func:`translation`.
*domain* and *localedir* which are passed to the function :func:`translation`.

For the *names* parameter, please see the description of the translation
object's :meth:`~NullTranslations.install` method.
Expand All @@ -228,9 +193,8 @@ install themselves in the built-in namespace as the function :func:`_`.
builtins namespace, so it is easily accessible in all modules of your
application.

.. deprecated-removed:: 3.8 3.10
The *codeset* parameter.

.. versionchanged:: 3.11
*names* is now a keyword-only parameter.

The :class:`NullTranslations` class
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Expand Down Expand Up @@ -294,22 +258,6 @@ are the methods of :class:`!NullTranslations`:
.. versionadded:: 3.8


.. method:: lgettext(message)
.. method:: lngettext(singular, plural, n)

Equivalent to :meth:`.gettext` and :meth:`.ngettext`, but the translation
is returned as a byte string encoded in the preferred system encoding
if no encoding was explicitly set with :meth:`set_output_charset`.
Overridden in derived classes.

.. warning::

These methods should be avoided in Python 3. See the warning for the
:func:`lgettext` function.

.. deprecated-removed:: 3.8 3.10


.. method:: info()

Return the "protected" :attr:`_info` variable, a dictionary containing
Expand All @@ -321,21 +269,6 @@ are the methods of :class:`!NullTranslations`:
Return the encoding of the message catalog file.


.. method:: output_charset()

Return the encoding used to return translated messages in :meth:`.lgettext`
and :meth:`.lngettext`.

.. deprecated-removed:: 3.8 3.10


.. method:: set_output_charset(charset)

Change the encoding used to return translated messages.

.. deprecated-removed:: 3.8 3.10


.. method:: install(names=None)

This method installs :meth:`.gettext` into the built-in namespace,
Expand Down Expand Up @@ -450,22 +383,6 @@ unexpected, or if other problems occur while reading the file, instantiating a
.. versionadded:: 3.8


.. method:: lgettext(message)
.. method:: lngettext(singular, plural, n)

Equivalent to :meth:`.gettext` and :meth:`.ngettext`, but the translation
is returned as a byte string encoded in the preferred system encoding
if no encoding was explicitly set with
:meth:`~NullTranslations.set_output_charset`.

.. warning::

These methods should be avoided in Python 3. See the warning for the
:func:`lgettext` function.

.. deprecated-removed:: 3.8 3.10


Solaris message catalog support
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Expand Down
12 changes: 12 additions & 0 deletions 12 Doc/whatsnew/3.11.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -169,3 +169,15 @@ Removed
Use the new :c:type:`PyConfig` API of the :ref:`Python Initialization Configuration
<init-config>` instead (:pep:`587`).
(Contributed by Victor Stinner in :issue:`44113`.)

* The following deprecated functions and methods are removed in the :mod:`gettext`
module: :func:`~gettext.lgettext`, :func:`~gettext.ldgettext`,
:func:`~gettext.lngettext` and :func:`~gettext.ldngettext`.

Function :func:`~gettext.bind_textdomain_codeset`, methods
:meth:`~gettext.NullTranslations.output_charset` and
:meth:`~gettext.NullTranslations.set_output_charset`, and the *codeset*
parameter of functions :func:`~gettext.translation` and
:func:`~gettext.install` are also removed, since they are only used for
the ``l*gettext()`` functions.
(Contributed by Dong-hee Na and Serhiy Storchaka in :issue:`44235`.)
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