91 lines
2.7 KiB
Python
91 lines
2.7 KiB
Python
# Copyright 2017 Mycroft AI 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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#
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import abc
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import re
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from requests_futures.sessions import FuturesSession
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from mycroft.tts import TTS
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from mycroft.util import remove_last_slash, play_wav
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from mycroft.util.log import LOG
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class RemoteTTSTimeoutException(Exception):
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pass
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class RemoteTTS(TTS):
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"""
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Abstract class for a Remote TTS engine implementation.
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It provides a common logic to perform multiple requests by splitting the
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whole sentence into small ones.
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"""
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def __init__(self, lang, config, url, api_path, validator):
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super(RemoteTTS, self).__init__(lang, config, validator)
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self.api_path = api_path
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self.auth = None
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self.url = remove_last_slash(url)
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self.session = FuturesSession()
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def execute(self, sentence, ident=None):
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phrases = self.__get_phrases(sentence)
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if len(phrases) > 0:
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for req in self.__requests(phrases):
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try:
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self.begin_audio()
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self.__play(req)
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except Exception as e:
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LOG.error(e.message)
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finally:
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self.end_audio()
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@staticmethod
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def __get_phrases(sentence):
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phrases = re.split(r'\.+[\s+|\n]', sentence)
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phrases = [p.replace('\n', '').strip() for p in phrases]
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phrases = [p for p in phrases if len(p) > 0]
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return phrases
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def __requests(self, phrases):
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reqs = []
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for p in phrases:
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reqs.append(self.__request(p))
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return reqs
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def __request(self, p):
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return self.session.get(
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self.url + self.api_path, params=self.build_request_params(p),
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timeout=10, verify=False, auth=self.auth)
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@abc.abstractmethod
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def build_request_params(self, sentence):
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pass
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def __play(self, req):
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resp = req.result()
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if resp.status_code == 200:
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self.__save(resp.content)
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play_wav(self.filename).communicate()
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else:
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LOG.error(
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'%s Http Error: %s for url: %s' %
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(resp.status_code, resp.reason, resp.url))
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def __save(self, data):
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with open(self.filename, 'wb') as f:
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f.write(data)
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