Moving the Dialogflow samples to the python-docs-sampl… [(#1629)](#1629)

* [DO_NOT_MERGE] Moving the Dialogflow samples to the python-docs-samples repo

* Add missing region tags for tracking

* Style updates

dialogflow/README.rst.in

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+# This file is used to generate README.rst
+
+product:
+  name: Dialogflow Enterprise Edition  API
+  short_name: Dialogflow API
+  url: https://cloud.google.com/dialogflow-enterprise/docs/
+  description: >
+    The `Dialogflow Enterprise Edition API`_ enables you to create conversational experiences across devices and platforms.
+
+setup:
+- auth
+- install_deps
+
+samples:
+- name: Detect Intent Text
+  file: detect_intent_texts.py
+  show_help: True
+- name: Detect Intent Audio
+  file: detect_intent_audio.py
+  show_help: True
+- name: Detect Intent Stream
+  file: detect_intent_stream.py
+  show_help: True
+- name: Detect Intent Knowledge Base
+  file: detect_intent_knowledge.py
+  show_help: True
+- name: Detect Intent with Model Selection
+  file: detect_intent_with_model_selection.py
+  show_help: True
+- name: Detect Intent with Sentiment Analysis
+  file: detect_intent_with_sentiment_analysis.py
+  show_help: True
+- name: Detect Intent with Text to Speech Response
+  file: detect_intent_with_texttospeech_response.py
+  show_help: True
+- name: Intent Management
+  file: intent_management.py
+  show_help: True
+- name: Entity Type Management
+  file: entity_type_management.py
+  show_help: True
+- name: Entity Management
+  file: entity_management.py
+  show_help: True
+- name: Session Entity Type Management
+  file: session_entity_type_management.py
+  show_help: True
+- name: Knowledge Base Management
+  file: knowledge_base_management.py
+  show_help: True
+- name: Document Management
+  file: document_management.py
+  show_help: True
+
+cloud_client_library: true

dialogflow/context_management.py

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+#!/usr/bin/env python
+
+# Copyright 2017 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.
+
+"""DialogFlow API Context Python sample showing how to manage session
+contexts.
+
+Examples:
+  python context_management.py -h
+  python context_management.py --project-id PROJECT_ID \
+  list --session-id SESSION_ID
+  python context_management.py --project-id PROJECT_ID \
+  create --session-id SESSION_ID --context-id CONTEXT_ID
+  python context_management.py --project-id PROJECT_ID \
+  delete --session-id SESSION_ID --context-id CONTEXT_ID
+"""
+
+import argparse
+
+
+# [START dialogflow_list_contexts]
+def list_contexts(project_id, session_id):
+    import dialogflow_v2 as dialogflow
+    contexts_client = dialogflow.ContextsClient()
+
+    session_path = contexts_client.session_path(project_id, session_id)
+
+    contexts = contexts_client.list_contexts(session_path)
+
+    print('Contexts for session {}:\n'.format(session_path))
+    for context in contexts:
+        print('Context name: {}'.format(context.name))
+        print('Lifespan count: {}'.format(context.lifespan_count))
+        print('Fields:')
+        for field, value in context.parameters.fields.items():
+            if value.string_value:
+                print('\t{}: {}'.format(field, value))
+# [END dialogflow_list_contexts]
+
+
+# [START dialogflow_create_context]
+def create_context(project_id, session_id, context_id, lifespan_count):
+    import dialogflow_v2 as dialogflow
+    contexts_client = dialogflow.ContextsClient()
+
+    session_path = contexts_client.session_path(project_id, session_id)
+    context_name = contexts_client.context_path(
+        project_id, session_id, context_id)
+
+    context = dialogflow.types.Context(
+        name=context_name, lifespan_count=lifespan_count)
+
+    response = contexts_client.create_context(session_path, context)
+
+    print('Context created: \n{}'.format(response))
+# [END dialogflow_create_context]
+
+
+# [START dialogflow_delete_context]
+def delete_context(project_id, session_id, context_id):
+    import dialogflow_v2 as dialogflow
+    contexts_client = dialogflow.ContextsClient()
+
+    context_name = contexts_client.context_path(
+        project_id, session_id, context_id)
+
+    contexts_client.delete_context(context_name)
+# [END dialogflow_delete_context]
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(
+        description=__doc__,
+        formatter_class=argparse.RawDescriptionHelpFormatter)
+    parser.add_argument(
+        '--project-id',
+        help='Project/agent id.  Required.',
+        required=True)
+
+    subparsers = parser.add_subparsers(dest='command')
+
+    list_parser = subparsers.add_parser(
+        'list', help=list_contexts.__doc__)
+    list_parser.add_argument(
+        '--session-id',
+        required=True)
+
+    create_parser = subparsers.add_parser(
+        'create', help=create_context.__doc__)
+    create_parser.add_argument(
+        '--session-id',
+        required=True)
+    create_parser.add_argument(
+        '--context-id',
+        help='The id of the context.',
+        required=True)
+    create_parser.add_argument(
+        '--lifespan-count',
+        help='The lifespan_count of the context.  Defaults to 1.',
+        default=1)
+
+    delete_parser = subparsers.add_parser(
+        'delete', help=delete_context.__doc__)
+    delete_parser.add_argument(
+        '--session-id',
+        required=True)
+    delete_parser.add_argument(
+        '--context-id',
+        help='The id of the context.',
+        required=True)
+
+    args = parser.parse_args()
+
+    if args.command == 'list':
+        list_contexts(args.project_id, args.session_id, )
+    elif args.command == 'create':
+        create_context(
+            args.project_id, args.session_id, args.context_id,
+            args.lifespan_count)
+    elif args.command == 'delete':
+        delete_context(args.project_id, args.session_id, args.context_id)

dialogflow/context_management_test.py

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+# Copyright 2017 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.
+
+from __future__ import absolute_import
+
+import os
+
+import context_management
+import detect_intent_texts
+
+PROJECT_ID = os.getenv('GCLOUD_PROJECT')
+SESSION_ID = 'fake_session_for_testing'
+CONTEXT_ID = 'fake_context_for_testing'
+
+
+def test_create_context(capsys):
+    # Calling detect intent to create a session.
+    detect_intent_texts.detect_intent_texts(
+        PROJECT_ID, SESSION_ID, ['hi'], 'en-US')
+
+    context_management.create_context(PROJECT_ID, SESSION_ID, CONTEXT_ID, 1)
+    context_management.list_contexts(PROJECT_ID, SESSION_ID)
+
+    out, _ = capsys.readouterr()
+    assert CONTEXT_ID in out
+
+
+def test_delete_context(capsys):
+    context_management.delete_context(PROJECT_ID, SESSION_ID, CONTEXT_ID)
+    context_management.list_contexts(PROJECT_ID, SESSION_ID)
+
+    out, _ = capsys.readouterr()
+    assert CONTEXT_ID not in out

dialogflow/detect_intent_audio.py

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+#!/usr/bin/env python
+
+# Copyright 2017 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.
+
+"""DialogFlow API Detect Intent Python sample with audio file.
+
+Examples:
+  python detect_intent_audio.py -h
+  python detect_intent_audio.py --project-id PROJECT_ID \
+  --session-id SESSION_ID --audio-file-path resources/book_a_room.wav
+  python detect_intent_audio.py --project-id PROJECT_ID \
+  --session-id SESSION_ID --audio-file-path resources/mountain_view.wav
+  python detect_intent_audio.py --project-id PROJECT_ID \
+  --session-id SESSION_ID --audio-file-path resources/today.wav
+"""
+
+import argparse
+import uuid
+
+
+# [START dialogflow_detect_intent_audio]
+def detect_intent_audio(project_id, session_id, audio_file_path,
+                        language_code):
+    """Returns the result of detect intent with an audio file as input.
+
+    Using the same `session_id` between requests allows continuation
+    of the conversaion."""
+    import dialogflow_v2 as dialogflow
+
+    session_client = dialogflow.SessionsClient()
+
+    # Note: hard coding audio_encoding and sample_rate_hertz for simplicity.
+    audio_encoding = dialogflow.enums.AudioEncoding.AUDIO_ENCODING_LINEAR_16
+    sample_rate_hertz = 16000
+
+    session = session_client.session_path(project_id, session_id)
+    print('Session path: {}\n'.format(session))
+
+    with open(audio_file_path, 'rb') as audio_file:
+        input_audio = audio_file.read()
+
+    audio_config = dialogflow.types.InputAudioConfig(
+        audio_encoding=audio_encoding, language_code=language_code,
+        sample_rate_hertz=sample_rate_hertz)
+    query_input = dialogflow.types.QueryInput(audio_config=audio_config)
+
+    response = session_client.detect_intent(
+        session=session, query_input=query_input,
+        input_audio=input_audio)
+
+    print('=' * 20)
+    print('Query text: {}'.format(response.query_result.query_text))
+    print('Detected intent: {} (confidence: {})\n'.format(
+        response.query_result.intent.display_name,
+        response.query_result.intent_detection_confidence))
+    print('Fulfillment text: {}\n'.format(
+        response.query_result.fulfillment_text))
+# [END dialogflow_detect_intent_audio]
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(
+        description=__doc__,
+        formatter_class=argparse.RawDescriptionHelpFormatter)
+    parser.add_argument(
+        '--project-id',
+        help='Project/agent id.  Required.',
+        required=True)
+    parser.add_argument(
+        '--session-id',
+        help='Identifier of the DetectIntent session. '
+        'Defaults to a random UUID.',
+        default=str(uuid.uuid4()))
+    parser.add_argument(
+        '--language-code',
+        help='Language code of the query. Defaults to "en-US".',
+        default='en-US')
+    parser.add_argument(
+        '--audio-file-path',
+        help='Path to the audio file.',
+        required=True)
+
+    args = parser.parse_args()
+
+    detect_intent_audio(
+        args.project_id, args.session_id, args.audio_file_path,
+        args.language_code)

dialogflow/detect_intent_audio_test.py

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+# Copyright 2017, 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.
+
+from __future__ import absolute_import
+
+import os
+
+from detect_intent_audio import detect_intent_audio
+
+DIRNAME = os.path.realpath(os.path.dirname(__file__))
+PROJECT_ID = os.getenv('GCLOUD_PROJECT')
+SESSION_ID = 'fake_session_for_testing'
+AUDIOS = [
+    '{0}/resources/book_a_room.wav'.format(DIRNAME),
+    '{0}/resources/mountain_view.wav'.format(DIRNAME),
+    '{0}/resources/today.wav'.format(DIRNAME),
+]
+
+
+def test_detect_intent_audio(capsys):
+    for audio_file_path in AUDIOS:
+        detect_intent_audio(PROJECT_ID, SESSION_ID, audio_file_path, 'en-US')
+    out, _ = capsys.readouterr()
+
+    assert 'Fulfillment text: What time will the meeting start?' in out