core/homeassistant/components/tellduslive/light.py

81 lines
2.5 KiB
Python

"""Support for Tellstick lights using Tellstick Net."""
import logging
from typing import Any
from homeassistant.components import light
from homeassistant.components.light import ATTR_BRIGHTNESS, ColorMode, LightEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from .. import tellduslive
from .entry import TelldusLiveEntity
_LOGGER = logging.getLogger(__name__)
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up tellduslive sensors dynamically."""
async def async_discover_light(device_id):
"""Discover and add a discovered sensor."""
client = hass.data[tellduslive.DOMAIN]
async_add_entities([TelldusLiveLight(client, device_id)])
async_dispatcher_connect(
hass,
tellduslive.TELLDUS_DISCOVERY_NEW.format(light.DOMAIN, tellduslive.DOMAIN),
async_discover_light,
)
class TelldusLiveLight(TelldusLiveEntity, LightEntity):
"""Representation of a Tellstick Net light."""
_attr_name = None
_attr_color_mode = ColorMode.BRIGHTNESS
_attr_supported_color_modes = {ColorMode.BRIGHTNESS}
def __init__(self, client, device_id):
"""Initialize the Tellstick Net light."""
super().__init__(client, device_id)
self._last_brightness = self.brightness
def changed(self):
"""Define a property of the device that might have changed."""
self._last_brightness = self.brightness
self._update_callback()
@property
def brightness(self):
"""Return the brightness of this light between 0..255."""
return self.device.dim_level
@property
def is_on(self):
"""Return true if light is on."""
return self.device.is_on
def turn_on(self, **kwargs: Any) -> None:
"""Turn the light on."""
brightness = kwargs.get(ATTR_BRIGHTNESS, self._last_brightness)
if brightness == 0:
fallback_brightness = 100
_LOGGER.info(
"Setting brightness to %d%%, because it was 0", fallback_brightness
)
brightness = int(fallback_brightness * 255 / 100)
self.device.dim(level=brightness)
self.changed()
def turn_off(self, **kwargs: Any) -> None:
"""Turn the light off."""
self.device.turn_off()
self.changed()