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Adds equivalents to api-client for cloud-client #775

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50 changes: 50 additions & 0 deletions speech/cloud-client/README.rst
Original file line number Diff line number Diff line change
Expand Up @@ -82,6 +82,56 @@ To run this sample:
$ python quickstart.py


Transcribe
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++



To run this sample:

.. code-block:: bash

$ python transcribe.py

usage: transcribe.py [-h] speech_file

Google Cloud Speech API sample application using the REST API for batch
processing.

Example usage: python translate.py resources/audio.raw

positional arguments:
speech_file Full path of audio file to be recognized

optional arguments:
-h, --help show this help message and exit


Transcribe async
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++



To run this sample:

.. code-block:: bash

$ python transcribe_async.py

usage: transcribe_async.py [-h] speech_file

Google Cloud Speech API sample application using the REST API for async
batch processing.

Example usage: python transcribe_async.py resources/audio.raw

positional arguments:
speech_file Full path of audio file to be recognized

optional arguments:
-h, --help show this help message and exit




The client library
Expand Down
6 changes: 6 additions & 0 deletions speech/cloud-client/README.rst.in
Original file line number Diff line number Diff line change
Expand Up @@ -16,5 +16,11 @@ setup:
samples:
- name: Quickstart
file: quickstart.py
- name: Transcribe
file: transcribe.py
show_help: true
- name: Transcribe async
file: transcribe_async.py
show_help: true

cloud_client_library: true
Binary file added speech/cloud-client/resources/audio2.raw
Binary file not shown.
69 changes: 69 additions & 0 deletions speech/cloud-client/transcribe.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,69 @@
#!/usr/bin/env python
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blank line after shebang, please.

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Done.


# Copyright 2017 Google Inc. All Rights Reserved.
#
# 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.
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blank line between license and docstring, please.

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Done.


"""Google Cloud Speech API sample application using the REST API for batch
processing.

Example usage: python translate.py resources/audio.raw
"""

# [START import_libraries]
import argparse
import io
# [END import_libraries]


def main(speech_file):
"""Transcribe the given audio file.

Args:
speech_file: the name of the audio file.
"""
# [START authenticating]
# Application default credentials provided by env variable
# GOOGLE_APPLICATION_CREDENTIALS
from google.cloud import speech
speech_client = speech.Client()
# [END authenticating]

# [START construct_request]
# Loads the audio into memory
with io.open(speech_file, 'rb') as audio_file:
content = audio_file.read()
audio_sample = speech_client.sample(
content,
source_uri=None,
encoding='LINEAR16',
sample_rate=16000)
# [END construct_request]

# [START send_request]
alternatives = speech_client.speech_api.sync_recognize(audio_sample)
for alternative in alternatives:
print('Transcript: {}'.format(alternative.transcript))
# [END send_request]


# [START run_application]
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description=__doc__,
formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument(
'speech_file', help='Full path of audio file to be recognized')
args = parser.parse_args()
main(args.speech_file)
# [END run_application]
83 changes: 83 additions & 0 deletions speech/cloud-client/transcribe_async.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,83 @@
#!/usr/bin/env python

# Copyright 2017 Google Inc. All Rights Reserved.
#
# 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.

"""Google Cloud Speech API sample application using the REST API for async
batch processing.

Example usage: python transcribe_async.py resources/audio.raw
"""

# [START import_libraries]
import argparse
import io
import time
# [END import_libraries]


def main(speech_file):
"""Transcribe the given audio file asynchronously.

Args:
speech_file: the name of the audio file.
"""
# [START authenticating]
# Application default credentials provided by env variable
# GOOGLE_APPLICATION_CREDENTIALS
from google.cloud import speech
speech_client = speech.Client()
# [END authenticating]

# [START construct_request]
# Loads the audio into memory
with io.open(speech_file, 'rb') as audio_file:
content = audio_file.read()
audio_sample = speech_client.sample(
content,
source_uri=None,
encoding='LINEAR16',
sample_rate=16000)
# [END construct_request]

# [START send_request]
operation = speech_client.speech_api.async_recognize(audio_sample)

retry_count = 100
while retry_count > 0 and not operation.complete:
retry_count -= 1
time.sleep(2)
operation.poll()

if not operation.complete:
print("Operation not complete and retry limit reached.")
return

alternatives = operation.results
for alternative in alternatives:
print('Transcript: {}'.format(alternative.transcript))
print('Confidence: {}'.format(alternative.confidence))
# [END send_request]


# [START run_application]
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description=__doc__,
formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument(
'speech_file', help='Full path of audio file to be recognized')
args = parser.parse_args()
main(args.speech_file)
# [END run_application]
23 changes: 23 additions & 0 deletions speech/cloud-client/transcribe_async_test.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
# Copyright 2016, Google, Inc.
# 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 re

from transcribe_async import main


def test_main(resource, capsys):
main(resource('audio.raw'))
out, err = capsys.readouterr()

assert re.search(r'how old is the Brooklyn Bridge', out, re.DOTALL | re.I)
23 changes: 23 additions & 0 deletions speech/cloud-client/transcribe_test.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
# Copyright 2016, Google, Inc.
# 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 re

from transcribe import main


def test_main(resource, capsys):
main(resource('audio.raw'))
out, err = capsys.readouterr()

assert re.search(r'how old is the Brooklyn Bridge', out, re.DOTALL | re.I)