mycroft-core/mycroft/tts/remote_tts.py

91 lines
2.7 KiB
Python

# Copyright 2016 Mycroft AI, Inc.
#
# This file is part of Mycroft Core.
#
# Mycroft Core is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Mycroft Core is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Mycroft Core. If not, see <http://www.gnu.org/licenses/>.
import abc
import re
from requests_futures.sessions import FuturesSession
from mycroft.tts import TTS
from mycroft.util import remove_last_slash, play_wav
from mycroft.util.log import getLogger
__author__ = 'jdorleans'
LOGGER = getLogger(__name__)
class RemoteTTS(TTS):
"""
Abstract class for a Remote TTS engine implementation.
It provides a common logic to perform multiple requests by splitting the
whole sentence into small ones.
"""
def __init__(self, lang, voice, url, api_path, validator):
super(RemoteTTS, self).__init__(lang, voice, validator)
self.api_path = api_path
self.url = remove_last_slash(url)
self.session = FuturesSession()
def execute(self, sentence, client):
phrases = self.__get_phrases(sentence)
if len(phrases) > 0:
for req in self.__requests(phrases):
try:
self.__play(req)
except Exception, e:
LOGGER.error(e.message)
@staticmethod
def __get_phrases(sentence):
phrases = re.split('\.+[\s+|\n]', sentence)
phrases = [p.replace('\n', '').strip() for p in phrases]
phrases = [p for p in phrases if len(p) > 0]
return phrases
def __requests(self, phrases):
reqs = []
for p in phrases:
reqs.append(self.__request(p))
return reqs
def __request(self, p):
return self.session.get(
self.url + self.api_path, params=self.build_request_params(p),
timeout=10, verify=False)
@abc.abstractmethod
def build_request_params(self, sentence):
pass
def __play(self, req):
resp = req.result()
if resp.status_code == 200:
self.__save(resp.content)
play_wav(self.filename)
else:
LOGGER.error(
'%s Http Error: %s for url: %s' %
(resp.status_code, resp.reason, resp.url))
def __save(self, data):
with open(self.filename, 'wb') as f:
f.write(data)