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mirror of https://github.com/home-assistant/core synced 2024-09-03 08:14:07 +02:00
ha-core/homeassistant/components/cast/__init__.py
Erik Montnemery d9a7c4a483
Only lookup unknown Google Cast models once (#71348)
Co-authored-by: Paulus Schoutsen <balloob@gmail.com>
2022-05-05 11:04:00 -07:00

126 lines
4.0 KiB
Python

"""Component to embed Google Cast."""
from __future__ import annotations
import logging
from typing import Protocol
from pychromecast import Chromecast
import voluptuous as vol
from homeassistant.components.media_player import BrowseMedia
from homeassistant.config_entries import SOURCE_IMPORT, ConfigEntry
from homeassistant.const import Platform
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers import config_validation as cv, device_registry as dr
from homeassistant.helpers.integration_platform import (
async_process_integration_platforms,
)
from homeassistant.helpers.typing import ConfigType
from . import home_assistant_cast
from .const import DOMAIN
from .media_player import ENTITY_SCHEMA
CONFIG_SCHEMA = cv.removed(DOMAIN, raise_if_present=False)
_LOGGER = logging.getLogger(__name__)
PLATFORMS = [Platform.MEDIA_PLAYER]
async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
"""Set up the Cast component."""
if (conf := config.get(DOMAIN)) is not None:
media_player_config_validated = []
media_player_config = conf.get("media_player", {})
if not isinstance(media_player_config, list):
media_player_config = [media_player_config]
for cfg in media_player_config:
try:
cfg = ENTITY_SCHEMA(cfg)
media_player_config_validated.append(cfg)
except vol.Error as ex:
_LOGGER.warning("Invalid config '%s': %s", cfg, ex)
hass.async_create_task(
hass.config_entries.flow.async_init(
DOMAIN,
context={"source": SOURCE_IMPORT},
data=media_player_config_validated,
)
)
return True
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Set up Cast from a config entry."""
await home_assistant_cast.async_setup_ha_cast(hass, entry)
hass.config_entries.async_setup_platforms(entry, PLATFORMS)
hass.data[DOMAIN] = {"cast_platform": {}, "unknown_models": {}}
await async_process_integration_platforms(hass, DOMAIN, _register_cast_platform)
return True
class CastProtocol(Protocol):
"""Define the format of cast platforms."""
async def async_get_media_browser_root_object(
self, hass: HomeAssistant, cast_type: str
) -> list[BrowseMedia]:
"""Create a list of root objects for media browsing."""
async def async_browse_media(
self,
hass: HomeAssistant,
media_content_type: str,
media_content_id: str,
cast_type: str,
) -> BrowseMedia | None:
"""Browse media.
Return a BrowseMedia object or None if the media does not belong to this platform.
"""
async def async_play_media(
self,
hass: HomeAssistant,
cast_entity_id: str,
chromecast: Chromecast,
media_type: str,
media_id: str,
) -> bool:
"""Play media.
Return True if the media is played by the platform, False if not.
"""
async def _register_cast_platform(
hass: HomeAssistant, integration_domain: str, platform: CastProtocol
):
"""Register a cast platform."""
if (
not hasattr(platform, "async_get_media_browser_root_object")
or not hasattr(platform, "async_browse_media")
or not hasattr(platform, "async_play_media")
):
raise HomeAssistantError(f"Invalid cast platform {platform}")
hass.data[DOMAIN]["cast_platform"][integration_domain] = platform
async def async_remove_entry(hass: HomeAssistant, entry: ConfigEntry) -> None:
"""Remove Home Assistant Cast user."""
await home_assistant_cast.async_remove_user(hass, entry)
async def async_remove_config_entry_device(
hass: HomeAssistant, config_entry: ConfigEntry, device_entry: dr.DeviceEntry
) -> bool:
"""Remove cast config entry from a device.
The actual cleanup is done in CastMediaPlayerEntity.async_will_remove_from_hass.
"""
return True