61 lines
1.7 KiB
Python
61 lines
1.7 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 subprocess
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from .tts import TTS, TTSValidator
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class ESpeak(TTS):
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"""TTS module for generating speech using ESpeak."""
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def __init__(self, lang, config):
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super(ESpeak, self).__init__(lang, config, ESpeakValidator(self))
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def get_tts(self, sentence, wav_file):
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"""Generate WAV from sentence, phonemes aren't supported.
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Args:
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sentence (str): sentence to generate audio for
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wav_file (str): output file
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Returns:
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tuple ((str) file location, None)
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"""
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subprocess.call(
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["espeak", "-v", self.lang + "+" + self.voice, "-w", wav_file, sentence]
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)
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return wav_file, None
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class ESpeakValidator(TTSValidator):
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def __init__(self, tts):
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super(ESpeakValidator, self).__init__(tts)
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def validate_lang(self):
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# TODO
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pass
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def validate_connection(self):
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try:
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subprocess.call(["espeak", "--version"])
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except Exception:
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raise Exception(
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"ESpeak is not installed. Please install it on "
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"your system and restart Mycroft."
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)
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def get_tts_class(self):
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return ESpeak
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