core/homeassistant/components/demo/tts.py

57 lines
1.4 KiB
Python

"""Support for the demo speech service."""
import os
import voluptuous as vol
from homeassistant.components.tts import CONF_LANG, PLATFORM_SCHEMA, Provider
SUPPORT_LANGUAGES = [
'en', 'de'
]
DEFAULT_LANG = 'en'
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Optional(CONF_LANG, default=DEFAULT_LANG): vol.In(SUPPORT_LANGUAGES),
})
def get_engine(hass, config):
"""Set up Demo speech component."""
return DemoProvider(config[CONF_LANG])
class DemoProvider(Provider):
"""Demo speech API provider."""
def __init__(self, lang):
"""Initialize demo provider."""
self._lang = lang
self.name = 'Demo'
@property
def default_language(self):
"""Return the default language."""
return self._lang
@property
def supported_languages(self):
"""Return list of supported languages."""
return SUPPORT_LANGUAGES
@property
def supported_options(self):
"""Return list of supported options like voice, emotionen."""
return ['voice', 'age']
def get_tts_audio(self, message, language, options=None):
"""Load TTS from demo."""
filename = os.path.join(os.path.dirname(__file__), 'tts.mp3')
try:
with open(filename, 'rb') as voice:
data = voice.read()
except OSError:
return (None, None)
return ('mp3', data)