core/homeassistant/components/demo/tts.py

72 lines
1.8 KiB
Python

"""Support for the demo for text-to-speech service."""
from __future__ import annotations
import os
from typing import Any
import voluptuous as vol
from homeassistant.components.tts import (
CONF_LANG,
PLATFORM_SCHEMA as TTS_PLATFORM_SCHEMA,
Provider,
TtsAudioType,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
SUPPORT_LANGUAGES = ["en", "de"]
DEFAULT_LANG = "en"
PLATFORM_SCHEMA = TTS_PLATFORM_SCHEMA.extend(
{vol.Optional(CONF_LANG, default=DEFAULT_LANG): vol.In(SUPPORT_LANGUAGES)}
)
def get_engine(
hass: HomeAssistant,
config: ConfigType,
discovery_info: DiscoveryInfoType | None = None,
) -> Provider:
"""Set up Demo speech component."""
return DemoProvider(config.get(CONF_LANG, DEFAULT_LANG))
class DemoProvider(Provider):
"""Demo speech API provider."""
def __init__(self, lang: str) -> None:
"""Initialize demo provider."""
self._lang = lang
self.name = "Demo"
@property
def default_language(self) -> str:
"""Return the default language."""
return self._lang
@property
def supported_languages(self) -> list[str]:
"""Return list of supported languages."""
return SUPPORT_LANGUAGES
@property
def supported_options(self) -> list[str]:
"""Return list of supported options like voice, emotions."""
return ["voice", "age"]
def get_tts_audio(
self, message: str, language: str, options: dict[str, Any]
) -> TtsAudioType:
"""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)