core/homeassistant/components/blinksticklight/light.py

90 lines
2.6 KiB
Python

"""Support for Blinkstick lights."""
# mypy: ignore-errors
from __future__ import annotations
from typing import Any
# from blinkstick import blinkstick
import voluptuous as vol
from homeassistant.components.light import (
ATTR_BRIGHTNESS,
ATTR_HS_COLOR,
PLATFORM_SCHEMA as LIGHT_PLATFORM_SCHEMA,
ColorMode,
LightEntity,
)
from homeassistant.const import CONF_NAME
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
import homeassistant.util.color as color_util
CONF_SERIAL = "serial"
DEFAULT_NAME = "Blinkstick"
PLATFORM_SCHEMA = LIGHT_PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_SERIAL): cv.string,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
}
)
def setup_platform(
hass: HomeAssistant,
config: ConfigType,
add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up Blinkstick device specified by serial number."""
name = config[CONF_NAME]
serial = config[CONF_SERIAL]
stick = blinkstick.find_by_serial(serial)
add_entities([BlinkStickLight(stick, name)], True)
class BlinkStickLight(LightEntity):
"""Representation of a BlinkStick light."""
_attr_color_mode = ColorMode.HS
_attr_supported_color_modes = {ColorMode.HS}
def __init__(self, stick, name):
"""Initialize the light."""
self._stick = stick
self._attr_name = name
def update(self) -> None:
"""Read back the device state."""
rgb_color = self._stick.get_color()
hsv = color_util.color_RGB_to_hsv(*rgb_color)
self._attr_hs_color = hsv[:2]
self._attr_brightness = int(hsv[2])
self._attr_is_on = self.brightness is not None and self.brightness > 0
def turn_on(self, **kwargs: Any) -> None:
"""Turn the device on."""
if ATTR_HS_COLOR in kwargs:
self._attr_hs_color = kwargs[ATTR_HS_COLOR]
brightness: int = kwargs.get(ATTR_BRIGHTNESS, 255)
self._attr_brightness = brightness
self._attr_is_on = bool(brightness)
assert self.hs_color
rgb_color = color_util.color_hsv_to_RGB(
self.hs_color[0], self.hs_color[1], brightness / 255 * 100
)
self._stick.set_color(red=rgb_color[0], green=rgb_color[1], blue=rgb_color[2])
def turn_off(self, **kwargs: Any) -> None:
"""Turn the device off."""
self._stick.turn_off()