130 lines
4.3 KiB
Python
130 lines
4.3 KiB
Python
"""Kuler Sky light platform."""
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from __future__ import annotations
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import logging
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from typing import Any
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import pykulersky
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from homeassistant.components import bluetooth
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from homeassistant.components.light import (
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ATTR_BRIGHTNESS,
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ATTR_RGBW_COLOR,
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ColorMode,
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LightEntity,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_ADDRESS
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.device_registry import CONNECTION_BLUETOOTH, DeviceInfo
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from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
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from .const import DOMAIN
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddConfigEntryEntitiesCallback,
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) -> None:
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"""Set up Kuler sky light devices."""
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ble_device = bluetooth.async_ble_device_from_address(
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hass, config_entry.data[CONF_ADDRESS], connectable=True
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)
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entity = KulerskyLight(
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config_entry.title,
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config_entry.data[CONF_ADDRESS],
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pykulersky.Light(ble_device),
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)
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async_add_entities([entity], update_before_add=True)
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class KulerskyLight(LightEntity):
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"""Representation of a Kuler Sky Light."""
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_attr_has_entity_name = True
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_attr_name = None
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_attr_available = False
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_attr_supported_color_modes = {ColorMode.RGBW}
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_attr_color_mode = ColorMode.RGBW
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def __init__(self, name: str, address: str, light: pykulersky.Light) -> None:
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"""Initialize a Kuler Sky light."""
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self._light = light
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self._attr_unique_id = address
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self._attr_device_info = DeviceInfo(
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identifiers={(DOMAIN, address)},
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connections={(CONNECTION_BLUETOOTH, address)},
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manufacturer="Brightech",
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name=name,
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)
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async def async_will_remove_from_hass(self) -> None:
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"""Run when entity will be removed from hass."""
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try:
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await self._light.disconnect()
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except pykulersky.PykulerskyException:
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_LOGGER.debug(
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"Exception disconnected from %s", self._attr_unique_id, exc_info=True
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)
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@property
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def is_on(self) -> bool | None:
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"""Return true if light is on."""
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return self.brightness is not None and self.brightness > 0
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async def async_turn_on(self, **kwargs: Any) -> None:
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"""Instruct the light to turn on."""
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default_rgbw = (255,) * 4 if self.rgbw_color is None else self.rgbw_color
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rgbw = kwargs.get(ATTR_RGBW_COLOR, default_rgbw)
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default_brightness = 0 if self.brightness is None else self.brightness
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brightness = kwargs.get(ATTR_BRIGHTNESS, default_brightness)
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if brightness == 0 and not kwargs:
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# If the light would be off, and no additional parameters were
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# passed, just turn the light on full brightness.
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brightness = 255
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rgbw = (255,) * 4
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rgbw_scaled = [round(x * brightness / 255) for x in rgbw]
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await self._light.set_color(*rgbw_scaled)
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async def async_turn_off(self, **kwargs: Any) -> None:
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"""Instruct the light to turn off."""
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await self._light.set_color(0, 0, 0, 0)
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async def async_update(self) -> None:
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"""Fetch new state data for this light."""
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try:
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if not self._attr_available:
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await self._light.connect()
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rgbw = await self._light.get_color()
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except pykulersky.PykulerskyException as exc:
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if self._attr_available:
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_LOGGER.warning(
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"Unable to connect to %s: %s", self._attr_unique_id, exc
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)
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self._attr_available = False
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return
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if self._attr_available is False:
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_LOGGER.info("Reconnected to %s", self._attr_unique_id)
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self._attr_available = True
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brightness = max(rgbw)
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if not brightness:
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self._attr_rgbw_color = (0, 0, 0, 0)
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else:
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rgbw_normalized = [round(x * 255 / brightness) for x in rgbw]
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self._attr_rgbw_color = (
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rgbw_normalized[0],
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rgbw_normalized[1],
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rgbw_normalized[2],
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rgbw_normalized[3],
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)
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self._attr_brightness = brightness
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