core/homeassistant/components/starline/entity.py

48 lines
1.5 KiB
Python

"""StarLine base entity."""
from __future__ import annotations
from collections.abc import Callable
from homeassistant.helpers.entity import Entity
from .account import StarlineAccount, StarlineDevice
class StarlineEntity(Entity):
"""StarLine base entity class."""
_attr_should_poll = False
_attr_has_entity_name = True
def __init__(
self, account: StarlineAccount, device: StarlineDevice, key: str
) -> None:
"""Initialize StarLine entity."""
self._account = account
self._device = device
self._key = key
self._attr_unique_id = f"starline-{key}-{device.device_id}"
self._attr_device_info = account.device_info(device)
self._unsubscribe_api: Callable | None = None
@property
def available(self):
"""Return True if entity is available."""
return self._account.api.available
def update(self):
"""Read new state data."""
self.schedule_update_ha_state()
async def async_added_to_hass(self):
"""Call when entity about to be added to Home Assistant."""
await super().async_added_to_hass()
self._unsubscribe_api = self._account.api.add_update_listener(self.update)
async def async_will_remove_from_hass(self):
"""Call when entity is being removed from Home Assistant."""
await super().async_will_remove_from_hass()
if self._unsubscribe_api is not None:
self._unsubscribe_api()
self._unsubscribe_api = None