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Merge pull request #2714 from daspecster/add-stability-to-speech-results
Add stability information to streaming results.
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packages/google-cloud-speech/google/cloud/speech/result.py
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# 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. | ||
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"""Speech result representations.""" | ||
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from google.cloud.speech.alternative import Alternative | ||
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class StreamingSpeechResult(object): | ||
"""Streaming speech result representation. | ||
:type alternatives: list | ||
:param alternatives: List of | ||
:class:`~google.cloud.speech.alternative.Alternative`. | ||
:type is_final: bool | ||
:param is_final: Boolean indicator of results finality. | ||
:type stability: float | ||
:param stability: 0.0-1.0 stability score for the results returned. | ||
""" | ||
def __init__(self, alternatives, is_final=False, stability=0.0): | ||
self.alternatives = alternatives | ||
self.is_final = is_final | ||
self.stability = stability | ||
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@classmethod | ||
def from_pb(cls, response): | ||
"""Factory: construct instance of ``StreamingSpeechResult``. | ||
:type response: :class:`~google.cloud.grpc.speech.v1beta1\ | ||
.cloud_speech_pb2.StreamingRecognizeResult` | ||
:param response: Instance of ``StreamingRecognizeResult`` protobuf. | ||
:rtype: :class:`~google.cloud.speech.result.StreamingSpeechResult` | ||
:returns: Instance of ``StreamingSpeechResult``. | ||
""" | ||
alternatives = [Alternative.from_pb(alternative) | ||
for alternative in response.alternatives] | ||
is_final = response.is_final | ||
stability = response.stability | ||
return cls(alternatives=alternatives, is_final=is_final, | ||
stability=stability) |
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