core/homeassistant/components/kulersky/light.py

130 lines
4.3 KiB
Python

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