switch.py

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"""Support for the Dynalite channels and presets as switches."""
 
from typing import Any
 
from homeassistant.components.switch import SwitchEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import STATE_ON
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
from .entity import DynaliteBase, async_setup_entry_base
 
 
async def async_setup_entry(
    hass: HomeAssistant,
    config_entry: ConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Record the async_add_entities function to add them later when received from Dynalite."""
    async_setup_entry_base(
        hass, config_entry, async_add_entities, "switch", DynaliteSwitch
    )
 
 
class DynaliteSwitch(DynaliteBase, SwitchEntity):
    """Representation of a Dynalite Channel as a Home Assistant Switch."""
 
    @property
    def is_on(self) -> bool:
        """Return true if switch is on."""
        return self._device_device.is_on
 
    async def async_turn_on(self, **kwargs: Any) -> None:
        """Turn the switch on."""
        await self._device_device.async_turn_on()
 
    async def async_turn_off(self, **kwargs: Any) -> None:
        """Turn the switch off."""
        await self._device_device.async_turn_off()
 
    def initialize_state(self, state):
        """Initialize the state from cache."""
        target_level = 1 if state.state == STATE_ON else 0
        self._device_device.init_level(target_level)