core/homeassistant/components/deconz/scene.py

71 lines
2.0 KiB
Python

"""Support for deCONZ scenes."""
from __future__ import annotations
from collections.abc import ValuesView
from typing import Any
from pydeconz.group import DeconzScene as PydeconzScene
from homeassistant.components.scene import Scene
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from .gateway import DeconzGateway, get_gateway_from_config_entry
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up scenes for deCONZ component."""
gateway = get_gateway_from_config_entry(hass, config_entry)
@callback
def async_add_scene(
scenes: list[PydeconzScene]
| ValuesView[PydeconzScene] = gateway.api.scenes.values(),
) -> None:
"""Add scene from deCONZ."""
entities = [DeconzScene(scene, gateway) for scene in scenes]
if entities:
async_add_entities(entities)
config_entry.async_on_unload(
async_dispatcher_connect(
hass,
gateway.signal_new_scene,
async_add_scene,
)
)
async_add_scene()
class DeconzScene(Scene):
"""Representation of a deCONZ scene."""
def __init__(self, scene: PydeconzScene, gateway: DeconzGateway) -> None:
"""Set up a scene."""
self._scene = scene
self.gateway = gateway
self._attr_name = scene.full_name
async def async_added_to_hass(self) -> None:
"""Subscribe to sensors events."""
self.gateway.deconz_ids[self.entity_id] = self._scene.deconz_id
async def async_will_remove_from_hass(self) -> None:
"""Disconnect scene object when removed."""
del self.gateway.deconz_ids[self.entity_id]
self._scene = None
async def async_activate(self, **kwargs: Any) -> None:
"""Activate the scene."""
await self._scene.recall()