scene.py

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"""Support for LiteJet scenes."""
 
import logging
from typing import Any
 
from pylitejet import LiteJet, LiteJetError
 
from homeassistant.components.scene import Scene
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
from .const import DOMAIN
 
_LOGGER = logging.getLogger(__name__)
 
ATTR_NUMBER = "number"
 
 
async def async_setup_entry(
    hass: HomeAssistant,
    config_entry: ConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up entry."""
 
    system: LiteJet = hass.data[DOMAIN]
 
    entities = []
    for i in system.scenes():
        name = await system.get_scene_name(i)
        entities.append(LiteJetScene(config_entry.entry_id, system, i, name))
 
    async_add_entities(entities, True)
 
 
class LiteJetScene(Scene):
    """Representation of a single LiteJet scene."""
 
    _attr_has_entity_name = True
    _attr_entity_registry_enabled_default = False
 
    def __init__(self, entry_id: str, system: LiteJet, i: int, name: str) -> None:
        """Initialize the scene."""
        self._lj_lj = system
        self._index_index = i
        self._attr_unique_id_attr_unique_id = f"{entry_id}_{i}"
        self._attr_name_attr_name = name
        self._attr_device_info_attr_device_info = DeviceInfo(
            identifiers={(DOMAIN, f"{entry_id}_mcp")},
            name="LiteJet",
            manufacturer="Centralite",
            model=system.model_name,
        )
 
    async def async_added_to_hass(self) -> None:
        """Run when this Entity has been added to HA."""
        self._lj_lj.on_connected_changed(self._on_connected_changed_on_connected_changed)
 
    async def async_will_remove_from_hass(self) -> None:
        """Entity being removed from hass."""
        self._lj_lj.unsubscribe(self._on_connected_changed_on_connected_changed)
 
    def _on_connected_changed(self, connected: bool, reason: str) -> None:
        self._attr_available_attr_available = connected
        self.async_write_ha_stateasync_write_ha_state()
 
    @property
    def extra_state_attributes(self) -> dict[str, Any]:
        """Return the device-specific state attributes."""
        return {ATTR_NUMBER: self._index_index}
 
    async def async_activate(self, **kwargs: Any) -> None:
        """Activate the scene."""
        try:
            await self._lj_lj.activate_scene(self._index_index)
        except LiteJetError as exc:
            raise HomeAssistantError from exc