core/homeassistant/components/avea/light.py

76 lines
2.3 KiB
Python

"""Support for the Elgato Avea lights."""
from __future__ import annotations
from typing import Any
import avea
from homeassistant.components.light import (
ATTR_BRIGHTNESS,
ATTR_HS_COLOR,
ColorMode,
LightEntity,
)
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import PlatformNotReady
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
import homeassistant.util.color as color_util
def setup_platform(
hass: HomeAssistant,
config: ConfigType,
add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the Avea platform."""
try:
nearby_bulbs = avea.discover_avea_bulbs()
for bulb in nearby_bulbs:
bulb.get_name()
bulb.get_brightness()
except OSError as err:
raise PlatformNotReady from err
add_entities(AveaLight(bulb) for bulb in nearby_bulbs)
class AveaLight(LightEntity):
"""Representation of an Avea."""
_attr_color_mode = ColorMode.HS
_attr_supported_color_modes = {ColorMode.HS}
def __init__(self, light):
"""Initialize an AveaLight."""
self._light = light
self._attr_name = light.name
self._attr_brightness = light.brightness
def turn_on(self, **kwargs: Any) -> None:
"""Instruct the light to turn on."""
if not kwargs:
self._light.set_brightness(4095)
else:
if ATTR_BRIGHTNESS in kwargs:
bright = round((kwargs[ATTR_BRIGHTNESS] / 255) * 4095)
self._light.set_brightness(bright)
if ATTR_HS_COLOR in kwargs:
rgb = color_util.color_hs_to_RGB(*kwargs[ATTR_HS_COLOR])
self._light.set_rgb(rgb[0], rgb[1], rgb[2])
def turn_off(self, **kwargs: Any) -> None:
"""Instruct the light to turn off."""
self._light.set_brightness(0)
def update(self) -> None:
"""Fetch new state data for this light.
This is the only method that should fetch new data for Home Assistant.
"""
if (brightness := self._light.get_brightness()) is not None:
self._attr_is_on = brightness != 0
self._attr_brightness = round(255 * (brightness / 4095))