mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
684 lines
22 KiB
Python
684 lines
22 KiB
Python
"""Provide functionality for TTS."""
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from __future__ import annotations
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import asyncio
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import functools as ft
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import hashlib
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from http import HTTPStatus
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import io
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import logging
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import mimetypes
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import os
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import re
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from typing import TYPE_CHECKING, Optional, cast
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from aiohttp import web
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import mutagen
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from mutagen.id3 import ID3, TextFrame as ID3Text
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import voluptuous as vol
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from homeassistant.components.http import HomeAssistantView
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from homeassistant.components.media_player.const import (
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ATTR_MEDIA_CONTENT_ID,
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ATTR_MEDIA_CONTENT_TYPE,
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DOMAIN as DOMAIN_MP,
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MEDIA_TYPE_MUSIC,
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SERVICE_PLAY_MEDIA,
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)
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from homeassistant.const import (
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ATTR_ENTITY_ID,
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CONF_DESCRIPTION,
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CONF_NAME,
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CONF_PLATFORM,
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PLATFORM_FORMAT,
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)
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from homeassistant.core import HomeAssistant, ServiceCall, callback
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from homeassistant.exceptions import HomeAssistantError
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from homeassistant.helpers import config_per_platform, discovery
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.network import get_url
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from homeassistant.helpers.service import async_set_service_schema
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from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
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from homeassistant.loader import async_get_integration
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from homeassistant.setup import async_prepare_setup_platform
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from homeassistant.util.yaml import load_yaml
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# mypy: allow-untyped-defs, no-check-untyped-defs
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_LOGGER = logging.getLogger(__name__)
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TtsAudioType = tuple[Optional[str], Optional[bytes]]
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ATTR_CACHE = "cache"
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ATTR_LANGUAGE = "language"
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ATTR_MESSAGE = "message"
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ATTR_OPTIONS = "options"
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ATTR_PLATFORM = "platform"
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BASE_URL_KEY = "tts_base_url"
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CONF_BASE_URL = "base_url"
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CONF_CACHE = "cache"
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CONF_CACHE_DIR = "cache_dir"
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CONF_LANG = "language"
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CONF_SERVICE_NAME = "service_name"
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CONF_TIME_MEMORY = "time_memory"
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CONF_FIELDS = "fields"
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DEFAULT_CACHE = True
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DEFAULT_CACHE_DIR = "tts"
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DEFAULT_TIME_MEMORY = 300
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DOMAIN = "tts"
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MEM_CACHE_FILENAME = "filename"
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MEM_CACHE_VOICE = "voice"
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SERVICE_CLEAR_CACHE = "clear_cache"
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SERVICE_SAY = "say"
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_RE_VOICE_FILE = re.compile(r"([a-f0-9]{40})_([^_]+)_([^_]+)_([a-z_]+)\.[a-z0-9]{3,4}")
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KEY_PATTERN = "{0}_{1}_{2}_{3}"
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def _deprecated_platform(value):
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"""Validate if platform is deprecated."""
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if value == "google":
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raise vol.Invalid(
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"google tts service has been renamed to google_translate,"
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" please update your configuration."
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)
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return value
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PLATFORM_SCHEMA = cv.PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_PLATFORM): vol.All(cv.string, _deprecated_platform),
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vol.Optional(CONF_CACHE, default=DEFAULT_CACHE): cv.boolean,
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vol.Optional(CONF_CACHE_DIR, default=DEFAULT_CACHE_DIR): cv.string,
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vol.Optional(CONF_TIME_MEMORY, default=DEFAULT_TIME_MEMORY): vol.All(
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vol.Coerce(int), vol.Range(min=60, max=57600)
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),
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vol.Optional(CONF_BASE_URL): cv.string,
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vol.Optional(CONF_SERVICE_NAME): cv.string,
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}
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)
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PLATFORM_SCHEMA_BASE = cv.PLATFORM_SCHEMA_BASE.extend(PLATFORM_SCHEMA.schema)
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SCHEMA_SERVICE_SAY = vol.Schema(
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{
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vol.Required(ATTR_MESSAGE): cv.string,
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vol.Optional(ATTR_CACHE): cv.boolean,
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vol.Required(ATTR_ENTITY_ID): cv.comp_entity_ids,
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vol.Optional(ATTR_LANGUAGE): cv.string,
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vol.Optional(ATTR_OPTIONS): dict,
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}
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)
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SCHEMA_SERVICE_CLEAR_CACHE = vol.Schema({})
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async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
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"""Set up TTS."""
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tts = SpeechManager(hass)
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try:
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conf = config[DOMAIN][0] if config.get(DOMAIN, []) else {}
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use_cache = conf.get(CONF_CACHE, DEFAULT_CACHE)
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cache_dir = conf.get(CONF_CACHE_DIR, DEFAULT_CACHE_DIR)
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time_memory = conf.get(CONF_TIME_MEMORY, DEFAULT_TIME_MEMORY)
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base_url = conf.get(CONF_BASE_URL)
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hass.data[BASE_URL_KEY] = base_url
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await tts.async_init_cache(use_cache, cache_dir, time_memory, base_url)
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except (HomeAssistantError, KeyError):
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_LOGGER.exception("Error on cache init")
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return False
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hass.http.register_view(TextToSpeechView(tts))
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hass.http.register_view(TextToSpeechUrlView(tts))
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# Load service descriptions from tts/services.yaml
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integration = await async_get_integration(hass, DOMAIN)
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services_yaml = integration.file_path / "services.yaml"
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services_dict = cast(
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dict, await hass.async_add_executor_job(load_yaml, str(services_yaml))
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)
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async def async_setup_platform(
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p_type: str,
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p_config: ConfigType | None = None,
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discovery_info: DiscoveryInfoType | None = None,
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) -> None:
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"""Set up a TTS platform."""
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if p_config is None:
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p_config = {}
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platform = await async_prepare_setup_platform(hass, config, DOMAIN, p_type)
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if platform is None:
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return
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try:
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if hasattr(platform, "async_get_engine"):
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provider = await platform.async_get_engine(
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hass, p_config, discovery_info
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)
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else:
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provider = await hass.async_add_executor_job(
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platform.get_engine, hass, p_config, discovery_info
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)
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if provider is None:
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_LOGGER.error("Error setting up platform %s", p_type)
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return
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tts.async_register_engine(p_type, provider, p_config)
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except Exception: # pylint: disable=broad-except
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_LOGGER.exception("Error setting up platform: %s", p_type)
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return
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async def async_say_handle(service: ServiceCall) -> None:
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"""Service handle for say."""
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entity_ids = service.data[ATTR_ENTITY_ID]
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message = service.data[ATTR_MESSAGE]
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cache = service.data.get(ATTR_CACHE)
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language = service.data.get(ATTR_LANGUAGE)
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options = service.data.get(ATTR_OPTIONS)
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try:
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url = await tts.async_get_url_path(
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p_type, message, cache=cache, language=language, options=options
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)
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except HomeAssistantError as err:
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_LOGGER.error("Error on init TTS: %s", err)
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return
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base = tts.base_url or get_url(hass)
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url = base + url
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data = {
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ATTR_MEDIA_CONTENT_ID: url,
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ATTR_MEDIA_CONTENT_TYPE: MEDIA_TYPE_MUSIC,
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ATTR_ENTITY_ID: entity_ids,
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}
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await hass.services.async_call(
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DOMAIN_MP,
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SERVICE_PLAY_MEDIA,
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data,
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blocking=True,
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context=service.context,
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)
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service_name = p_config.get(CONF_SERVICE_NAME, f"{p_type}_{SERVICE_SAY}")
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hass.services.async_register(
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DOMAIN, service_name, async_say_handle, schema=SCHEMA_SERVICE_SAY
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)
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# Register the service description
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service_desc = {
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CONF_NAME: f"Say an TTS message with {p_type}",
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CONF_DESCRIPTION: f"Say something using text-to-speech on a media player with {p_type}.",
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CONF_FIELDS: services_dict[SERVICE_SAY][CONF_FIELDS],
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}
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async_set_service_schema(hass, DOMAIN, service_name, service_desc)
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setup_tasks = [
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asyncio.create_task(async_setup_platform(p_type, p_config))
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for p_type, p_config in config_per_platform(config, DOMAIN)
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if p_type is not None
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]
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if setup_tasks:
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await asyncio.wait(setup_tasks)
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async def async_platform_discovered(platform, info):
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"""Handle for discovered platform."""
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await async_setup_platform(platform, discovery_info=info)
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discovery.async_listen_platform(hass, DOMAIN, async_platform_discovered)
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async def async_clear_cache_handle(service: ServiceCall) -> None:
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"""Handle clear cache service call."""
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await tts.async_clear_cache()
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hass.services.async_register(
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DOMAIN,
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SERVICE_CLEAR_CACHE,
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async_clear_cache_handle,
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schema=SCHEMA_SERVICE_CLEAR_CACHE,
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)
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return True
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def _hash_options(options: dict) -> str:
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"""Hashes an options dictionary."""
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opts_hash = hashlib.blake2s(digest_size=5)
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for key, value in sorted(options.items()):
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opts_hash.update(str(key).encode())
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opts_hash.update(str(value).encode())
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return opts_hash.hexdigest()
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class SpeechManager:
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"""Representation of a speech store."""
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def __init__(self, hass: HomeAssistant) -> None:
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"""Initialize a speech store."""
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self.hass = hass
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self.providers: dict[str, Provider] = {}
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self.use_cache = DEFAULT_CACHE
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self.cache_dir = DEFAULT_CACHE_DIR
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self.time_memory = DEFAULT_TIME_MEMORY
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self.base_url: str | None = None
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self.file_cache: dict[str, str] = {}
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self.mem_cache: dict[str, dict[str, str | bytes]] = {}
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async def async_init_cache(
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self, use_cache: bool, cache_dir: str, time_memory: int, base_url: str | None
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) -> None:
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"""Init config folder and load file cache."""
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self.use_cache = use_cache
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self.time_memory = time_memory
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self.base_url = base_url
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try:
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self.cache_dir = await self.hass.async_add_executor_job(
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_init_tts_cache_dir, self.hass, cache_dir
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)
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except OSError as err:
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raise HomeAssistantError(f"Can't init cache dir {err}") from err
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try:
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cache_files = await self.hass.async_add_executor_job(
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_get_cache_files, self.cache_dir
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)
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except OSError as err:
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raise HomeAssistantError(f"Can't read cache dir {err}") from err
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if cache_files:
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self.file_cache.update(cache_files)
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async def async_clear_cache(self) -> None:
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"""Read file cache and delete files."""
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self.mem_cache = {}
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def remove_files():
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"""Remove files from filesystem."""
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for filename in self.file_cache.values():
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try:
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os.remove(os.path.join(self.cache_dir, filename))
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except OSError as err:
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_LOGGER.warning("Can't remove cache file '%s': %s", filename, err)
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await self.hass.async_add_executor_job(remove_files)
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self.file_cache = {}
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@callback
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def async_register_engine(
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self, engine: str, provider: Provider, config: ConfigType
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) -> None:
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"""Register a TTS provider."""
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provider.hass = self.hass
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if provider.name is None:
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provider.name = engine
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self.providers[engine] = provider
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self.hass.config.components.add(
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PLATFORM_FORMAT.format(domain=engine, platform=DOMAIN)
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)
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async def async_get_url_path(
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self,
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engine: str,
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message: str,
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cache: bool | None = None,
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language: str | None = None,
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options: dict | None = None,
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) -> str:
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"""Get URL for play message.
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This method is a coroutine.
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"""
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provider = self.providers[engine]
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msg_hash = hashlib.sha1(bytes(message, "utf-8")).hexdigest()
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use_cache = cache if cache is not None else self.use_cache
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# Languages
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language = language or provider.default_language
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if language is None or language not in provider.supported_languages:
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raise HomeAssistantError(f"Not supported language {language}")
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# Options
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if provider.default_options and options:
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merged_options = provider.default_options.copy()
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merged_options.update(options)
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options = merged_options
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options = options or provider.default_options
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if options is not None:
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invalid_opts = [
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opt_name
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for opt_name in options.keys()
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if opt_name not in (provider.supported_options or [])
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]
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if invalid_opts:
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raise HomeAssistantError(f"Invalid options found: {invalid_opts}")
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options_key = _hash_options(options)
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else:
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options_key = "-"
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key = KEY_PATTERN.format(
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msg_hash, language.replace("_", "-"), options_key, engine
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).lower()
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# Is speech already in memory
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if key in self.mem_cache:
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filename = cast(str, self.mem_cache[key][MEM_CACHE_FILENAME])
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# Is file store in file cache
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elif use_cache and key in self.file_cache:
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filename = self.file_cache[key]
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self.hass.async_create_task(self.async_file_to_mem(key))
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# Load speech from provider into memory
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else:
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filename = await self.async_get_tts_audio(
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engine, key, message, use_cache, language, options
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)
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return f"/api/tts_proxy/{filename}"
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async def async_get_tts_audio(
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self,
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engine: str,
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key: str,
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message: str,
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cache: bool,
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language: str,
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options: dict | None,
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) -> str:
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"""Receive TTS and store for view in cache.
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This method is a coroutine.
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"""
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provider = self.providers[engine]
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extension, data = await provider.async_get_tts_audio(message, language, options)
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if data is None or extension is None:
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raise HomeAssistantError(f"No TTS from {engine} for '{message}'")
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# Create file infos
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filename = f"{key}.{extension}".lower()
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# Validate filename
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if not _RE_VOICE_FILE.match(filename):
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raise HomeAssistantError(
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f"TTS filename '{filename}' from {engine} is invalid!"
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)
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# Save to memory
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data = self.write_tags(filename, data, provider, message, language, options)
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self._async_store_to_memcache(key, filename, data)
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if cache:
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self.hass.async_create_task(self.async_save_tts_audio(key, filename, data))
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return filename
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async def async_save_tts_audio(self, key: str, filename: str, data: bytes) -> None:
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"""Store voice data to file and file_cache.
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This method is a coroutine.
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"""
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voice_file = os.path.join(self.cache_dir, filename)
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def save_speech() -> None:
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"""Store speech to filesystem."""
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with open(voice_file, "wb") as speech:
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speech.write(data)
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try:
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await self.hass.async_add_executor_job(save_speech)
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self.file_cache[key] = filename
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except OSError as err:
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_LOGGER.error("Can't write %s: %s", filename, err)
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async def async_file_to_mem(self, key: str) -> None:
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"""Load voice from file cache into memory.
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This method is a coroutine.
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"""
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if not (filename := self.file_cache.get(key)):
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raise HomeAssistantError(f"Key {key} not in file cache!")
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voice_file = os.path.join(self.cache_dir, filename)
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def load_speech() -> bytes:
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"""Load a speech from filesystem."""
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with open(voice_file, "rb") as speech:
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return speech.read()
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try:
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data = await self.hass.async_add_executor_job(load_speech)
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except OSError as err:
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del self.file_cache[key]
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raise HomeAssistantError(f"Can't read {voice_file}") from err
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self._async_store_to_memcache(key, filename, data)
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@callback
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def _async_store_to_memcache(self, key: str, filename: str, data: bytes) -> None:
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"""Store data to memcache and set timer to remove it."""
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self.mem_cache[key] = {MEM_CACHE_FILENAME: filename, MEM_CACHE_VOICE: data}
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@callback
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def async_remove_from_mem() -> None:
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"""Cleanup memcache."""
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self.mem_cache.pop(key, None)
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self.hass.loop.call_later(self.time_memory, async_remove_from_mem)
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async def async_read_tts(self, filename: str) -> tuple[str | None, bytes]:
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"""Read a voice file and return binary.
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This method is a coroutine.
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"""
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if not (record := _RE_VOICE_FILE.match(filename.lower())):
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raise HomeAssistantError("Wrong tts file format!")
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key = KEY_PATTERN.format(
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record.group(1), record.group(2), record.group(3), record.group(4)
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)
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if key not in self.mem_cache:
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if key not in self.file_cache:
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raise HomeAssistantError(f"{key} not in cache!")
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await self.async_file_to_mem(key)
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content, _ = mimetypes.guess_type(filename)
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return content, cast(bytes, self.mem_cache[key][MEM_CACHE_VOICE])
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@staticmethod
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def write_tags(
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filename: str,
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data: bytes,
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provider: Provider,
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message: str,
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language: str,
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options: dict | None,
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) -> bytes:
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"""Write ID3 tags to file.
|
|
|
|
Async friendly.
|
|
"""
|
|
|
|
data_bytes = io.BytesIO(data)
|
|
data_bytes.name = filename
|
|
data_bytes.seek(0)
|
|
|
|
album = provider.name
|
|
artist = language
|
|
|
|
if options is not None and (voice := options.get("voice")) is not None:
|
|
artist = voice
|
|
|
|
try:
|
|
tts_file = mutagen.File(data_bytes)
|
|
if tts_file is not None:
|
|
if not tts_file.tags:
|
|
tts_file.add_tags()
|
|
if isinstance(tts_file.tags, ID3):
|
|
tts_file["artist"] = ID3Text(encoding=3, text=artist)
|
|
tts_file["album"] = ID3Text(encoding=3, text=album)
|
|
tts_file["title"] = ID3Text(encoding=3, text=message)
|
|
else:
|
|
tts_file["artist"] = artist
|
|
tts_file["album"] = album
|
|
tts_file["title"] = message
|
|
tts_file.save(data_bytes)
|
|
except mutagen.MutagenError as err:
|
|
_LOGGER.error("ID3 tag error: %s", err)
|
|
|
|
return data_bytes.getvalue()
|
|
|
|
|
|
class Provider:
|
|
"""Represent a single TTS provider."""
|
|
|
|
hass: HomeAssistant | None = None
|
|
name: str | None = None
|
|
|
|
@property
|
|
def default_language(self):
|
|
"""Return the default language."""
|
|
return None
|
|
|
|
@property
|
|
def supported_languages(self):
|
|
"""Return a list of supported languages."""
|
|
return None
|
|
|
|
@property
|
|
def supported_options(self):
|
|
"""Return a list of supported options like voice, emotionen."""
|
|
return None
|
|
|
|
@property
|
|
def default_options(self):
|
|
"""Return a dict include default options."""
|
|
return None
|
|
|
|
def get_tts_audio(
|
|
self, message: str, language: str, options: dict | None = None
|
|
) -> TtsAudioType:
|
|
"""Load tts audio file from provider."""
|
|
raise NotImplementedError()
|
|
|
|
async def async_get_tts_audio(
|
|
self, message: str, language: str, options: dict | None = None
|
|
) -> TtsAudioType:
|
|
"""Load tts audio file from provider.
|
|
|
|
Return a tuple of file extension and data as bytes.
|
|
"""
|
|
if TYPE_CHECKING:
|
|
assert self.hass
|
|
return await self.hass.async_add_executor_job(
|
|
ft.partial(self.get_tts_audio, message, language, options=options)
|
|
)
|
|
|
|
|
|
def _init_tts_cache_dir(hass: HomeAssistant, cache_dir: str) -> str:
|
|
"""Init cache folder."""
|
|
if not os.path.isabs(cache_dir):
|
|
cache_dir = hass.config.path(cache_dir)
|
|
if not os.path.isdir(cache_dir):
|
|
_LOGGER.info("Create cache dir %s", cache_dir)
|
|
os.mkdir(cache_dir)
|
|
return cache_dir
|
|
|
|
|
|
def _get_cache_files(cache_dir: str) -> dict[str, str]:
|
|
"""Return a dict of given engine files."""
|
|
cache = {}
|
|
|
|
folder_data = os.listdir(cache_dir)
|
|
for file_data in folder_data:
|
|
if record := _RE_VOICE_FILE.match(file_data):
|
|
key = KEY_PATTERN.format(
|
|
record.group(1), record.group(2), record.group(3), record.group(4)
|
|
)
|
|
cache[key.lower()] = file_data.lower()
|
|
return cache
|
|
|
|
|
|
class TextToSpeechUrlView(HomeAssistantView):
|
|
"""TTS view to get a url to a generated speech file."""
|
|
|
|
requires_auth = True
|
|
url = "/api/tts_get_url"
|
|
name = "api:tts:geturl"
|
|
|
|
def __init__(self, tts: SpeechManager) -> None:
|
|
"""Initialize a tts view."""
|
|
self.tts = tts
|
|
|
|
async def post(self, request: web.Request) -> web.Response:
|
|
"""Generate speech and provide url."""
|
|
try:
|
|
data = await request.json()
|
|
except ValueError:
|
|
return self.json_message("Invalid JSON specified", HTTPStatus.BAD_REQUEST)
|
|
if not data.get(ATTR_PLATFORM) and data.get(ATTR_MESSAGE):
|
|
return self.json_message(
|
|
"Must specify platform and message", HTTPStatus.BAD_REQUEST
|
|
)
|
|
|
|
p_type = data[ATTR_PLATFORM]
|
|
message = data[ATTR_MESSAGE]
|
|
cache = data.get(ATTR_CACHE)
|
|
language = data.get(ATTR_LANGUAGE)
|
|
options = data.get(ATTR_OPTIONS)
|
|
|
|
try:
|
|
path = await self.tts.async_get_url_path(
|
|
p_type, message, cache=cache, language=language, options=options
|
|
)
|
|
except HomeAssistantError as err:
|
|
_LOGGER.error("Error on init tts: %s", err)
|
|
return self.json({"error": err}, HTTPStatus.BAD_REQUEST)
|
|
|
|
base = self.tts.base_url or get_url(self.tts.hass)
|
|
url = base + path
|
|
|
|
return self.json({"url": url, "path": path})
|
|
|
|
|
|
class TextToSpeechView(HomeAssistantView):
|
|
"""TTS view to serve a speech audio."""
|
|
|
|
requires_auth = False
|
|
url = "/api/tts_proxy/{filename}"
|
|
name = "api:tts_speech"
|
|
|
|
def __init__(self, tts: SpeechManager) -> None:
|
|
"""Initialize a tts view."""
|
|
self.tts = tts
|
|
|
|
async def get(self, request: web.Request, filename: str) -> web.Response:
|
|
"""Start a get request."""
|
|
try:
|
|
content, data = await self.tts.async_read_tts(filename)
|
|
except HomeAssistantError as err:
|
|
_LOGGER.error("Error on load tts: %s", err)
|
|
return web.Response(status=HTTPStatus.NOT_FOUND)
|
|
|
|
return web.Response(body=data, content_type=content)
|
|
|
|
|
|
def get_base_url(hass: HomeAssistant) -> str:
|
|
"""Get base URL."""
|
|
return hass.data[BASE_URL_KEY] or get_url(hass)
|