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Commit 2659c6b

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gguussJon Wayne Parrott
gguuss
authored and
Jon Wayne Parrott
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Adds quickstart (GoogleCloudPlatform#964)
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‎video/cloud-client/quickstart/README.rst

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.. This file is automatically generated. Do not edit this file directly.
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Google Cloud Video Intelligence API Python Samples
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===============================================================================
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This directory contains samples for Google Cloud Video Intelligence API. `Google Cloud Video Intelligence API`_ allows developers to easily integrate feature detection in video.
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.. _Google Cloud Video Intelligence API: https://cloud.google.com/video-intelligence/docs
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Setup
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-------------------------------------------------------------------------------
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Authentication
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++++++++++++++
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Authentication is typically done through `Application Default Credentials`_,
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which means you do not have to change the code to authenticate as long as
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your environment has credentials. You have a few options for setting up
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authentication:
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#. When running locally, use the `Google Cloud SDK`_
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.. code-block:: bash
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gcloud auth application-default login
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#. When running on App Engine or Compute Engine, credentials are already
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set-up. However, you may need to configure your Compute Engine instance
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with `additional scopes`_.
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#. You can create a `Service Account key file`_. This file can be used to
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authenticate to Google Cloud Platform services from any environment. To use
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the file, set the ``GOOGLE_APPLICATION_CREDENTIALS`` environment variable to
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the path to the key file, for example:
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.. code-block:: bash
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export GOOGLE_APPLICATION_CREDENTIALS=/path/to/service_account.json
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.. _Application Default Credentials: https://cloud.google.com/docs/authentication#getting_credentials_for_server-centric_flow
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.. _additional scopes: https://cloud.google.com/compute/docs/authentication#using
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.. _Service Account key file: https://developers.google.com/identity/protocols/OAuth2ServiceAccount#creatinganaccount
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Install Dependencies
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++++++++++++++++++++
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#. Install `pip`_ and `virtualenv`_ if you do not already have them.
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#. Create a virtualenv. Samples are compatible with Python 2.7 and 3.4+.
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.. code-block:: bash
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$ virtualenv env
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$ source env/bin/activate
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#. Install the dependencies needed to run the samples.
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.. code-block:: bash
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$ pip install -r requirements.txt
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.. _pip: https://pip.pypa.io/
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.. _virtualenv: https://virtualenv.pypa.io/
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Samples
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-------------------------------------------------------------------------------
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quickstart
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+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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To run this sample:
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.. code-block:: bash
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$ python quickstart.py
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The client library
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-------------------------------------------------------------------------------
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This sample uses the `Google Cloud Client Library for Python`_.
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You can read the documentation for more details on API usage and use GitHub
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to `browse the source`_ and `report issues`_.
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.. _Google Cloud Client Library for Python:
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https://googlecloudplatform.github.io/google-cloud-python/
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.. _browse the source:
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https://github.com/GoogleCloudPlatform/google-cloud-python
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.. _report issues:
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https://github.com/GoogleCloudPlatform/google-cloud-python/issues
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.. _Google Cloud SDK: https://cloud.google.com/sdk/

‎video/cloud-client/quickstart/README.rst.in

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# This file is used to generate README.rst
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product:
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name: Google Cloud Video Intelligence API
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short_name: Cloud Video Intelligence API
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url: https://cloud.google.com/video-intelligence/docs
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description: >
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`Google Cloud Video Intelligence API`_ allows developers to easily
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integrate feature detection in video.
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setup:
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- auth
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- install_deps
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samples:
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- name: quickstart
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file: quickstart.py
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cloud_client_library: true

‎video/cloud-client/quickstart/quickstart.py

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#!/usr/bin/env python
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# Copyright 2017 Google Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""This application demonstrates label detection using the Google Cloud API.
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Usage:
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python quickstart.py
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"""
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def run_quickstart():
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# [START videointelligence_quickstart]
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import sys
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import time
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from google.cloud.gapic.videointelligence.v1beta1 import enums
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from google.cloud.gapic.videointelligence.v1beta1 import (
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video_intelligence_service_client)
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video_client = (video_intelligence_service_client.
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VideoIntelligenceServiceClient())
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features = [enums.Feature.LABEL_DETECTION]
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operation = video_client.annotate_video('gs://demomaker/cat.mp4', features)
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print('\nProcessing video for label annotations:')
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while not operation.done():
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sys.stdout.write('.')
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sys.stdout.flush()
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time.sleep(15)
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print('\nFinished processing.')
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# first result is retrieved because a single video was processed
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results = operation.result().annotation_results[0]
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for label in results.label_annotations:
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print('Label description: {}'.format(label.description))
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print('Locations:')
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for l, location in enumerate(label.locations):
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positions = 'Entire video'
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if (location.segment.start_time_offset != -1 or
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location.segment.end_time_offset != -1):
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positions = '{} to {}'.format(
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location.segment.start_time_offset / 1000000.0,
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location.segment.end_time_offset / 1000000.0)
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print('\t{}: {}'.format(l, positions))
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print('\n')
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# [END videointelligence_quickstart]
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if __name__ == '__main__':
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run_quickstart()

‎video/cloud-client/quickstart/quickstart_test.py

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#!/usr/bin/env python
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# Copyright 2017 Google, Inc
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import pytest
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import quickstart
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@pytest.mark.slow
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def test_quickstart(capsys):
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quickstart.run_quickstart()
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out, _ = capsys.readouterr()
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assert 'Whiskers' in out

‎video/cloud-client/quickstart/requirements.txt

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google-cloud-videointelligence==0.25.0

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