core/homeassistant/components/webostv/helpers.py

93 lines
2.6 KiB
Python

"""Helper functions for webOS Smart TV."""
from __future__ import annotations
from aiowebostv import WebOsClient
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers import device_registry as dr, entity_registry as er
from homeassistant.helpers.device_registry import DeviceEntry
from . import async_control_connect
from .const import DATA_CONFIG_ENTRY, DOMAIN, LIVE_TV_APP_ID, WEBOSTV_EXCEPTIONS
@callback
def async_get_device_entry_by_device_id(
hass: HomeAssistant, device_id: str
) -> DeviceEntry:
"""Get Device Entry from Device Registry by device ID.
Raises ValueError if device ID is invalid.
"""
device_reg = dr.async_get(hass)
if (device := device_reg.async_get(device_id)) is None:
raise ValueError(f"Device {device_id} is not a valid {DOMAIN} device.")
return device
@callback
def async_get_device_id_from_entity_id(hass: HomeAssistant, entity_id: str) -> str:
"""Get device ID from an entity ID.
Raises ValueError if entity or device ID is invalid.
"""
ent_reg = er.async_get(hass)
entity_entry = ent_reg.async_get(entity_id)
if (
entity_entry is None
or entity_entry.device_id is None
or entity_entry.platform != DOMAIN
):
raise ValueError(f"Entity {entity_id} is not a valid {DOMAIN} entity.")
return entity_entry.device_id
@callback
def async_get_client_by_device_entry(
hass: HomeAssistant, device: DeviceEntry
) -> WebOsClient:
"""Get WebOsClient from Device Registry by device entry.
Raises ValueError if client is not found.
"""
for config_entry_id in device.config_entries:
if client := hass.data[DOMAIN][DATA_CONFIG_ENTRY].get(config_entry_id):
break
if not client:
raise ValueError(
f"Device {device.id} is not from an existing {DOMAIN} config entry"
)
return client
async def async_get_sources(host: str, key: str) -> list[str]:
"""Construct sources list."""
try:
client = await async_control_connect(host, key)
except WEBOSTV_EXCEPTIONS:
return []
sources = []
found_live_tv = False
for app in client.apps.values():
sources.append(app["title"])
if app["id"] == LIVE_TV_APP_ID:
found_live_tv = True
for source in client.inputs.values():
sources.append(source["label"])
if source["appId"] == LIVE_TV_APP_ID:
found_live_tv = True
if not found_live_tv:
sources.append("Live TV")
# Preserve order when filtering duplicates
return list(dict.fromkeys(sources))