120 lines
3.4 KiB
Python
120 lines
3.4 KiB
Python
# Copyright 2016 Mycroft AI, Inc.
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#
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# This file is part of Mycroft Core.
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#
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# Mycroft Core is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Mycroft Core is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Mycroft Core. If not, see <http://www.gnu.org/licenses/>.
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from abc import ABCMeta, abstractmethod
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from speech_recognition import Recognizer
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from mycroft.api import STTApi
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from mycroft.configuration import ConfigurationManager
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from mycroft.util.log import getLogger
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__author__ = "jdorleans"
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LOG = getLogger("STT")
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class STT(object):
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__metaclass__ = ABCMeta
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def __init__(self):
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config_core = ConfigurationManager.get()
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self.lang = str(self.init_language(config_core))
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config_stt = config_core.get("stt", {})
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self.config = config_stt.get(config_stt.get("module"), {})
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self.credential = self.config.get("credential", {})
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self.recognizer = Recognizer()
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@staticmethod
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def init_language(config_core):
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langs = config_core.get("lang", "en-US").split("-")
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return langs[0].lower() + "-" + langs[1].upper()
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@abstractmethod
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def execute(self, audio, language=None):
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pass
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class TokenSTT(STT):
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__metaclass__ = ABCMeta
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def __init__(self):
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super(TokenSTT, self).__init__()
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self.token = str(self.credential.get("token"))
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class BasicSTT(STT):
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__metaclass__ = ABCMeta
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def __init__(self):
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super(BasicSTT, self).__init__()
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self.username = str(self.credential.get("username"))
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self.password = str(self.credential.get("password"))
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class GoogleSTT(TokenSTT):
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def __init__(self):
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super(GoogleSTT, self).__init__()
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def execute(self, audio, language=None):
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self.lang = language or self.lang
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return self.recognizer.recognize_google(audio, self.token, s)
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class WITSTT(TokenSTT):
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def __init__(self):
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super(WITSTT, self).__init__()
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def execute(self, audio, language=None):
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LOG.warn("WITSTT language should be configured at wit.ai settings.")
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return self.recognizer.recognize_wit(audio, self.token)
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class IBMSTT(BasicSTT):
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def __init__(self):
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super(IBMSTT, self).__init__()
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def execute(self, audio, language=None):
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self.lang = language or self.lang
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return self.recognizer.recognize_ibm(audio, self.username,
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self.password, self.lang)
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class MycroftSTT(STT):
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def __init__(self):
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super(MycroftSTT, self).__init__()
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self.api = STTApi()
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def execute(self, audio, language=None):
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self.lang = language or self.lang
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return self.api.stt(audio.get_flac_data(), self.lang, 1)[0]
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class STTFactory(object):
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CLASSES = {
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"mycroft": MycroftSTT,
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"google": GoogleSTT,
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"wit": WITSTT,
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"ibm": IBMSTT
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}
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@staticmethod
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def create():
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config = ConfigurationManager.get().get("stt", {})
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module = config.get("module", "mycroft")
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clazz = STTFactory.CLASSES.get(module)
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return clazz()
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