133 lines
4.0 KiB
Python
133 lines
4.0 KiB
Python
"""Support for LG webOS Smart TV."""
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from __future__ import annotations
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from contextlib import suppress
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import logging
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from aiowebostv import WebOsClient, WebOsTvPairError
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from homeassistant.components import notify as hass_notify
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import (
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CONF_CLIENT_SECRET,
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CONF_HOST,
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CONF_NAME,
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EVENT_HOMEASSISTANT_STOP,
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Platform,
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)
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from homeassistant.core import Event, HomeAssistant
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from homeassistant.exceptions import ConfigEntryAuthFailed
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from homeassistant.helpers import config_validation as cv, discovery
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from homeassistant.helpers.typing import ConfigType
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from .const import (
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ATTR_CONFIG_ENTRY_ID,
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DATA_HASS_CONFIG,
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DOMAIN,
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PLATFORMS,
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WEBOSTV_EXCEPTIONS,
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)
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CONFIG_SCHEMA = cv.config_entry_only_config_schema(DOMAIN)
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_LOGGER = logging.getLogger(__name__)
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type WebOsTvConfigEntry = ConfigEntry[WebOsClient]
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async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
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"""Set up the LG WebOS TV platform."""
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hass.data.setdefault(DOMAIN, {DATA_HASS_CONFIG: config})
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return True
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async def async_setup_entry(hass: HomeAssistant, entry: WebOsTvConfigEntry) -> bool:
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"""Set the config entry up."""
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host = entry.data[CONF_HOST]
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key = entry.data[CONF_CLIENT_SECRET]
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# Attempt a connection, but fail gracefully if tv is off for example.
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entry.runtime_data = client = WebOsClient(host, key)
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with suppress(*WEBOSTV_EXCEPTIONS):
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try:
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await client.connect()
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except WebOsTvPairError as err:
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raise ConfigEntryAuthFailed(err) from err
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# If pairing request accepted there will be no error
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# Update the stored key without triggering reauth
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update_client_key(hass, entry, client)
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await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
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# set up notify platform, no entry support for notify component yet,
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# have to use discovery to load platform.
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hass.async_create_task(
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discovery.async_load_platform(
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hass,
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Platform.NOTIFY,
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DOMAIN,
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{
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CONF_NAME: entry.title,
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ATTR_CONFIG_ENTRY_ID: entry.entry_id,
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},
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hass.data[DOMAIN][DATA_HASS_CONFIG],
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)
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)
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entry.async_on_unload(entry.add_update_listener(async_update_options))
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async def async_on_stop(_event: Event) -> None:
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"""Unregister callbacks and disconnect."""
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client.clear_state_update_callbacks()
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await client.disconnect()
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entry.async_on_unload(
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hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, async_on_stop)
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)
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return True
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async def async_update_options(hass: HomeAssistant, entry: WebOsTvConfigEntry) -> None:
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"""Update options."""
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await hass.config_entries.async_reload(entry.entry_id)
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async def async_control_connect(host: str, key: str | None) -> WebOsClient:
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"""LG Connection."""
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client = WebOsClient(host, key)
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try:
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await client.connect()
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except WebOsTvPairError:
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_LOGGER.warning("Connected to LG webOS TV %s but not paired", host)
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raise
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return client
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def update_client_key(
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hass: HomeAssistant, entry: ConfigEntry, client: WebOsClient
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) -> None:
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"""Check and update stored client key if key has changed."""
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host = entry.data[CONF_HOST]
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key = entry.data[CONF_CLIENT_SECRET]
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if client.client_key != key:
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_LOGGER.debug("Updating client key for host %s", host)
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data = {CONF_HOST: host, CONF_CLIENT_SECRET: client.client_key}
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hass.config_entries.async_update_entry(entry, data=data)
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async def async_unload_entry(hass: HomeAssistant, entry: WebOsTvConfigEntry) -> bool:
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"""Unload a config entry."""
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if unload_ok := await hass.config_entries.async_unload_platforms(entry, PLATFORMS):
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client = entry.runtime_data
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await hass_notify.async_reload(hass, DOMAIN)
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client.clear_state_update_callbacks()
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await client.disconnect()
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return unload_ok
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