core/homeassistant/components/smarla/entity.py

54 lines
1.7 KiB
Python

"""Common base for entities."""
from dataclasses import dataclass
from typing import Any
from pysmarlaapi import Federwiege
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.entity import Entity, EntityDescription
from .const import DEVICE_MODEL_NAME, DOMAIN, MANUFACTURER_NAME
@dataclass(frozen=True, kw_only=True)
class SmarlaEntityDescription(EntityDescription):
"""Class describing Swing2Sleep Smarla entities."""
service: str
property: str
class SmarlaBaseEntity(Entity):
"""Common Base Entity class for defining Smarla device."""
entity_description: SmarlaEntityDescription
_attr_should_poll = False
_attr_has_entity_name = True
def __init__(self, federwiege: Federwiege, desc: SmarlaEntityDescription) -> None:
"""Initialise the entity."""
self.entity_description = desc
self._property = federwiege.get_property(desc.service, desc.property)
self._attr_unique_id = f"{federwiege.serial_number}-{desc.key}"
self._attr_device_info = DeviceInfo(
identifiers={(DOMAIN, federwiege.serial_number)},
name=DEVICE_MODEL_NAME,
model=DEVICE_MODEL_NAME,
manufacturer=MANUFACTURER_NAME,
serial_number=federwiege.serial_number,
)
async def on_change(self, value: Any):
"""Notify ha when state changes."""
self.async_write_ha_state()
async def async_added_to_hass(self) -> None:
"""Run when this Entity has been added to HA."""
await self._property.add_listener(self.on_change)
async def async_will_remove_from_hass(self) -> None:
"""Entity being removed from hass."""
await self._property.remove_listener(self.on_change)