62 lines
1.9 KiB
Python
62 lines
1.9 KiB
Python
# Copyright 2020 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 Festival(TTS):
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def __init__(self, lang, config):
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super(Festival, self).__init__(lang, config, FestivalValidator(self))
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def execute(self, sentence, ident=None, listen=False):
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encoding = self.config.get("encoding", "utf8")
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lang = self.config.get("lang", self.lang)
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text = subprocess.Popen(("echo", sentence), stdout=subprocess.PIPE)
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if encoding != "utf8":
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convert_cmd = ("iconv", "-f", "utf8", "-t", encoding)
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converted_text = subprocess.Popen(
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convert_cmd, stdin=text.stdout, stdout=subprocess.PIPE
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)
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text.wait()
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text = converted_text
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tts_cmd = ("festival", "--tts", "--language", lang)
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self.begin_audio()
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subprocess.call(tts_cmd, stdin=text.stdout)
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self.end_audio(listen)
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class FestivalValidator(TTSValidator):
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def __init__(self, tts):
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super(FestivalValidator, 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(["festival", "--version"])
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except Exception:
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raise Exception("Festival is missing. Run: sudo apt-get install festival")
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def get_tts_class(self):
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return Festival
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