core/homeassistant/components/trend/__init__.py

64 lines
2.2 KiB
Python

"""A sensor that monitors trends in other components."""
from __future__ import annotations
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_ENTITY_ID, Platform
from homeassistant.core import HomeAssistant
from homeassistant.helpers.device import (
async_entity_id_to_device_id,
async_remove_stale_devices_links_keep_entity_device,
)
from homeassistant.helpers.helper_integration import async_handle_source_entity_changes
PLATFORMS = [Platform.BINARY_SENSOR]
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Set up Trend from a config entry."""
async_remove_stale_devices_links_keep_entity_device(
hass,
entry.entry_id,
entry.options[CONF_ENTITY_ID],
)
def set_source_entity_id_or_uuid(source_entity_id: str) -> None:
hass.config_entries.async_update_entry(
entry,
options={**entry.options, CONF_ENTITY_ID: source_entity_id},
)
async def source_entity_removed() -> None:
# The source entity has been removed, we remove the config entry because
# trend does not allow replacing the input entity.
await hass.config_entries.async_remove(entry.entry_id)
entry.async_on_unload(
async_handle_source_entity_changes(
hass,
helper_config_entry_id=entry.entry_id,
set_source_entity_id_or_uuid=set_source_entity_id_or_uuid,
source_device_id=async_entity_id_to_device_id(
hass, entry.options[CONF_ENTITY_ID]
),
source_entity_id_or_uuid=entry.options[CONF_ENTITY_ID],
source_entity_removed=source_entity_removed,
)
)
await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
entry.async_on_unload(entry.add_update_listener(config_entry_update_listener))
return True
async def config_entry_update_listener(hass: HomeAssistant, entry: ConfigEntry) -> None:
"""Handle an Trend options update."""
await hass.config_entries.async_reload(entry.entry_id)
async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Unload a config entry."""
return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)