core/homeassistant/components/shelly/light.py

75 lines
2.3 KiB
Python

"""Light for Shelly."""
from aioshelly import Block
from homeassistant.components.light import SUPPORT_BRIGHTNESS, LightEntity
from homeassistant.core import callback
from . import ShellyBlockEntity, ShellyDeviceWrapper
from .const import DOMAIN
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up lights for device."""
wrapper = hass.data[DOMAIN][config_entry.entry_id]
blocks = [block for block in wrapper.device.blocks if block.type == "light"]
if not blocks:
return
async_add_entities(ShellyLight(wrapper, block) for block in blocks)
class ShellyLight(ShellyBlockEntity, LightEntity):
"""Switch that controls a relay block on Shelly devices."""
def __init__(self, wrapper: ShellyDeviceWrapper, block: Block) -> None:
"""Initialize light."""
super().__init__(wrapper, block)
self.control_result = None
self._supported_features = 0
if hasattr(block, "brightness"):
self._supported_features |= SUPPORT_BRIGHTNESS
@property
def is_on(self) -> bool:
"""If light is on."""
if self.control_result:
return self.control_result["ison"]
return self.block.output
@property
def brightness(self):
"""Brightness of light."""
if self.control_result:
brightness = self.control_result["brightness"]
else:
brightness = self.block.brightness
return int(brightness / 100 * 255)
@property
def supported_features(self):
"""Supported features."""
return self._supported_features
async def async_turn_on(
self, brightness=None, **kwargs
): # pylint: disable=arguments-differ
"""Turn on light."""
params = {"turn": "on"}
if brightness is not None:
params["brightness"] = int(brightness / 255 * 100)
self.control_result = await self.block.set_state(**params)
self.async_write_ha_state()
async def async_turn_off(self, **kwargs):
"""Turn off light."""
self.control_result = await self.block.set_state(turn="off")
self.async_write_ha_state()
@callback
def _update_callback(self):
"""When device updates, clear control result that overrides state."""
self.control_result = None
super()._update_callback()