251 lines
8.9 KiB
Python
251 lines
8.9 KiB
Python
"""Support for Hue lights."""
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from __future__ import annotations
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from typing import Any
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from aiohue import HueBridgeV2
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from aiohue.v2.controllers.events import EventType
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from aiohue.v2.controllers.lights import LightsController
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from aiohue.v2.models.light import Light
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from homeassistant.components.light import (
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ATTR_BRIGHTNESS,
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ATTR_COLOR_TEMP,
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ATTR_FLASH,
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ATTR_TRANSITION,
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ATTR_XY_COLOR,
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COLOR_MODE_BRIGHTNESS,
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COLOR_MODE_COLOR_TEMP,
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COLOR_MODE_ONOFF,
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COLOR_MODE_XY,
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FLASH_SHORT,
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SUPPORT_FLASH,
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SUPPORT_TRANSITION,
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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.core import HomeAssistant, callback
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from ..bridge import HueBridge
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from ..const import DOMAIN
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from .entity import HueBaseEntity
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from .helpers import (
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normalize_hue_brightness,
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normalize_hue_colortemp,
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normalize_hue_transition,
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)
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ALLOWED_ERRORS = [
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"device (light) has communication issues, command (on) may not have effect",
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'device (light) is "soft off", command (on) may not have effect',
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]
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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: AddEntitiesCallback,
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) -> None:
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"""Set up Hue Light from Config Entry."""
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bridge: HueBridge = hass.data[DOMAIN][config_entry.entry_id]
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api: HueBridgeV2 = bridge.api
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controller: LightsController = api.lights
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@callback
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def async_add_light(event_type: EventType, resource: Light) -> None:
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"""Add Hue Light."""
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light = HueLight(bridge, controller, resource)
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async_add_entities([light])
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# add all current items in controller
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for light in controller:
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async_add_light(EventType.RESOURCE_ADDED, resource=light)
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# register listener for new lights
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config_entry.async_on_unload(
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controller.subscribe(async_add_light, event_filter=EventType.RESOURCE_ADDED)
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)
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class HueLight(HueBaseEntity, LightEntity):
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"""Representation of a Hue light."""
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def __init__(
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self, bridge: HueBridge, controller: LightsController, resource: Light
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) -> None:
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"""Initialize the light."""
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super().__init__(bridge, controller, resource)
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if self.resource.alert and self.resource.alert.action_values:
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self._attr_supported_features |= SUPPORT_FLASH
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self.resource = resource
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self.controller = controller
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self._supported_color_modes = set()
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if self.resource.supports_color:
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self._supported_color_modes.add(COLOR_MODE_XY)
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if self.resource.supports_color_temperature:
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self._supported_color_modes.add(COLOR_MODE_COLOR_TEMP)
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if self.resource.supports_dimming:
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if len(self._supported_color_modes) == 0:
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# only add color mode brightness if no color variants
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self._supported_color_modes.add(COLOR_MODE_BRIGHTNESS)
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# support transition if brightness control
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self._attr_supported_features |= SUPPORT_TRANSITION
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self._last_xy: tuple[float, float] | None = self.xy_color
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self._last_color_temp: int = self.color_temp
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self._set_color_mode()
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@property
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def brightness(self) -> int | None:
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"""Return the brightness of this light between 0..255."""
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if dimming := self.resource.dimming:
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# Hue uses a range of [0, 100] to control brightness.
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return round((dimming.brightness / 100) * 255)
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return None
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@property
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def is_on(self) -> bool:
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"""Return true if device is on (brightness above 0)."""
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return self.resource.on.on
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@property
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def xy_color(self) -> tuple[float, float] | None:
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"""Return the xy color."""
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if color := self.resource.color:
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return (color.xy.x, color.xy.y)
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return None
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@property
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def color_temp(self) -> int:
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"""Return the color temperature."""
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if color_temp := self.resource.color_temperature:
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return color_temp.mirek
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return 0
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@property
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def min_mireds(self) -> int:
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"""Return the coldest color_temp that this light supports."""
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if color_temp := self.resource.color_temperature:
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return color_temp.mirek_schema.mirek_minimum
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return 0
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@property
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def max_mireds(self) -> int:
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"""Return the warmest color_temp that this light supports."""
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if color_temp := self.resource.color_temperature:
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return color_temp.mirek_schema.mirek_maximum
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return 0
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@property
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def supported_color_modes(self) -> set | None:
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"""Flag supported features."""
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return self._supported_color_modes
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@property
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def extra_state_attributes(self) -> dict[str, str] | None:
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"""Return the optional state attributes."""
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return {
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"mode": self.resource.mode.value,
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"dynamics": self.resource.dynamics.status.value,
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}
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@callback
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def on_update(self) -> None:
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"""Call on update event."""
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self._set_color_mode()
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async def async_turn_on(self, **kwargs: Any) -> None:
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"""Turn the device on."""
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transition = normalize_hue_transition(kwargs.get(ATTR_TRANSITION))
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xy_color = kwargs.get(ATTR_XY_COLOR)
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color_temp = normalize_hue_colortemp(kwargs.get(ATTR_COLOR_TEMP))
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brightness = normalize_hue_brightness(kwargs.get(ATTR_BRIGHTNESS))
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flash = kwargs.get(ATTR_FLASH)
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if flash is not None:
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await self.async_set_flash(flash)
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# flash can not be sent with other commands at the same time or result will be flaky
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# Hue's default behavior is that a light returns to its previous state for short
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# flash (identify) and the light is kept turned on for long flash (breathe effect)
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# Why is this flash alert/effect hidden in the turn_on/off commands ?
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return
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await self.bridge.async_request_call(
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self.controller.set_state,
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id=self.resource.id,
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on=True,
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brightness=brightness,
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color_xy=xy_color,
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color_temp=color_temp,
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transition_time=transition,
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allowed_errors=ALLOWED_ERRORS,
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)
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async def async_turn_off(self, **kwargs: Any) -> None:
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"""Turn the light off."""
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transition = normalize_hue_transition(kwargs.get(ATTR_TRANSITION))
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flash = kwargs.get(ATTR_FLASH)
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if flash is not None:
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await self.async_set_flash(flash)
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# flash can not be sent with other commands at the same time or result will be flaky
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# Hue's default behavior is that a light returns to its previous state for short
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# flash (identify) and the light is kept turned on for long flash (breathe effect)
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return
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await self.bridge.async_request_call(
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self.controller.set_state,
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id=self.resource.id,
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on=False,
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transition_time=transition,
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allowed_errors=ALLOWED_ERRORS,
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)
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async def async_set_flash(self, flash: str) -> None:
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"""Send flash command to light."""
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await self.bridge.async_request_call(
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self.controller.set_flash,
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id=self.resource.id,
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short=flash == FLASH_SHORT,
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)
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@callback
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def _set_color_mode(self) -> None:
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"""Set current colormode of light."""
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last_xy = self._last_xy
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last_color_temp = self._last_color_temp
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self._last_xy = self.xy_color
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self._last_color_temp = self.color_temp
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# Certified Hue lights return `mired_valid` to indicate CT is active
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if color_temp := self.resource.color_temperature:
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if color_temp.mirek_valid and color_temp.mirek is not None:
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self._attr_color_mode = COLOR_MODE_COLOR_TEMP
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return
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# Non-certified lights do not report their current color mode correctly
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# so we keep track of the color values to determine which is active
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if last_color_temp != self.color_temp:
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self._attr_color_mode = COLOR_MODE_COLOR_TEMP
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return
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if last_xy != self.xy_color:
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self._attr_color_mode = COLOR_MODE_XY
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return
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# if we didn't detect any changes, abort and use previous values
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if self._attr_color_mode is not None:
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return
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# color mode not yet determined, work it out here
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# Note that for lights that do not correctly report `mirek_valid`
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# we might have an invalid startup state which will be auto corrected
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if self.resource.supports_color:
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self._attr_color_mode = COLOR_MODE_XY
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elif self.resource.supports_color_temperature:
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self._attr_color_mode = COLOR_MODE_COLOR_TEMP
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elif self.resource.supports_dimming:
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self._attr_color_mode = COLOR_MODE_BRIGHTNESS
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else:
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# fallback to on_off
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self._attr_color_mode = COLOR_MODE_ONOFF
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