feat: adds media translation samples (#3117)

* feat: adds media translation samples
* fix: changes library version requirement

media-translation/cloud-client/README.rst

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+.. This file is automatically generated. Do not edit this file directly.
+
+Cloud Media Translation Python Samples
+===============================================================================
+
+.. image:: https://gstatic.com/cloudssh/images/open-btn.png
+ :target: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=media-translation/cloud-client/README.rst
+
+
+This directory contains samples for Cloud Media Translation. With `Cloud Media Translation`, you can dynamically translate text between thousands of language pairs.
+
+
+
+
+.. _Cloud Media Translation: https://cloud.google.com/translate/media/docs
+
+Setup
+-------------------------------------------------------------------------------
+
+
+Authentication
+++++++++++++++
+
+This sample requires you to have authentication setup. Refer to the
+`Authentication Getting Started Guide`_ for instructions on setting up
+credentials for applications.
+
+.. _Authentication Getting Started Guide:
+ https://cloud.google.com/docs/authentication/getting-started
+
+Install Dependencies
+++++++++++++++++++++
+
+#. Clone python-docs-samples and change directory to the sample directory you want to use.
+
+ .. code-block:: bash
+
+ $ git clone https://github.com/GoogleCloudPlatform/python-docs-samples.git
+
+#. Install `pip`_ and `virtualenv`_ if you do not already have them. You may want to refer to the `Python Development Environment Setup Guide`_ for Google Cloud Platform for instructions.
+
+ .. _Python Development Environment Setup Guide:
+ https://cloud.google.com/python/setup
+
+#. Create a virtualenv. Samples are compatible with Python 2.7 and 3.4+.
+
+ .. code-block:: bash
+
+ $ virtualenv env
+ $ source env/bin/activate
+
+#. Install the dependencies needed to run the samples.
+
+ .. code-block:: bash
+
+ $ pip install -r requirements.txt
+
+.. _pip: https://pip.pypa.io/
+.. _virtualenv: https://virtualenv.pypa.io/
+
+Samples
+-------------------------------------------------------------------------------
+
+Translate from file
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+.. image:: https://gstatic.com/cloudssh/images/open-btn.png
+ :target: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=media-translation/cloud-client/translate_from_file.py,media-translation/cloud-client/README.rst
+
+
+
+
+To run this sample:
+
+.. code-block:: bash
+
+ $ python translate_from_file.py
+
+ 
+
+
+Translate from mic
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+.. image:: https://gstatic.com/cloudssh/images/open-btn.png
+ :target: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=media-translation/cloud-client/translate_from_mic.py,media-translation/cloud-client/README.rst
+
+
+
+
+To run this sample:
+
+.. code-block:: bash
+
+ $ python translate_from_mic.py
+
+
+
+
+The client library
+-------------------------------------------------------------------------------
+
+This sample uses the `Google Cloud Client Library for Python`_.
+You can read the documentation for more details on API usage and use GitHub
+to `browse the source`_ and `report issues`_.
+
+.. _Google Cloud Client Library for Python:
+ https://googlecloudplatform.github.io/google-cloud-python/
+.. _browse the source:
+ https://github.com/GoogleCloudPlatform/google-cloud-python
+.. _report issues:
+ https://github.com/GoogleCloudPlatform/google-cloud-python/issues
+
+
+.. _Google Cloud SDK: https://cloud.google.com/sdk/

media-translation/cloud-client/README.rst.in

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+# This file is used to generate README.rst
+
+product:
+ name: Cloud Media Translation
+ short_name: Media Translation
+ url: https://cloud.google.com/translate/media/docs
+ description: >
+ With `Cloud Media Translation`, you can dynamically translate text between
+ thousands of language pairs.
+
+setup:
+- auth
+- install_deps
+
+samples:
+- name: Translate from file
+ file: translate_from_file.py
+ show_help: true
+- name: Translate from mic
+ file: translate_from_mic.py
+
+cloud_client_library: true
+
+folder: media-translation/cloud-client

media-translation/cloud-client/requirements.txt

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+google-cloud-media-translation==0.1.1
+pyaudio==0.2.11
+six==1.14.0

media-translation/cloud-client/translate_from_file.py

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+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Cloud Media Translation sample application.
+
+Example usage:
+ python translate_from_file.py resources/audio.raw
+"""
+
+# [START media_translation_translate_from_file]
+from google.cloud import mediatranslation
+
+
+def translate_from_file(file_path='path/to/your/file'):
+
+ client = mediatranslation.SpeechTranslationServiceClient()
+
+ # The `sample_rate_hertz` field is not required for FLAC and WAV (Linear16)
+ # encoded data. Other audio encodings must provide the sampling rate.
+ audio_config = mediatranslation.TranslateSpeechConfig(
+ audio_encoding='linear16',
+ source_language_code='en-US',
+ target_language_code='fr-FR')
+
+ streaming_config = mediatranslation.StreamingTranslateSpeechConfig(
+ audio_config=audio_config)
+
+ def request_generator(config, audio_file_path):
+
+ # The first request contains the configuration.
+ # Note that audio_content is explicitly set to None.
+ yield mediatranslation.StreamingTranslateSpeechRequest(
+ streaming_config=config, audio_content=None)
+
+ with open(audio_file_path, 'rb') as audio:
+ while True:
+ chunk = audio.read(4096)
+ if not chunk:
+ break
+ yield mediatranslation.StreamingTranslateSpeechRequest(
+ audio_content=chunk,
+ streaming_config=config)
+
+ requests = request_generator(streaming_config, file_path)
+ responses = client.streaming_translate_speech(requests)
+
+ for response in responses:
+ # Once the transcription settles, the response contains the
+ # is_final result. The other results will be for subsequent portions of
+ # the audio.
+ result = response.result
+ translation = result.text_translation_result.translation
+ source = result.recognition_result
+
+ if result.text_translation_result.is_final:
+ print(u'\nFinal translation: {0}'.format(translation))
+ print(u'Final recognition result: {0}'.format(source))
+ break
+
+ print(u'\nPartial translation: {0}'.format(translation))
+ print(u'Partial recognition result: {0}'.format(source))
+ # [END media_translation_translate_from_file]

media-translation/cloud-client/translate_from_file_test.py

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+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import re
+
+import translate_from_file
+
+RESOURCES = os.path.join(os.path.dirname(__file__), 'resources')
+
+
+def test_translate_streaming(capsys):
+ translate_from_file.translate_from_file(
+ os.path.join(RESOURCES, 'audio.raw'))
+ out, err = capsys.readouterr()
+
+ assert re.search(r'Partial translation', out, re.DOTALL | re.I)