mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
266 lines
8.6 KiB
Python
266 lines
8.6 KiB
Python
"""This platform allows several lights to be grouped into one light."""
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from __future__ import annotations
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from collections import Counter
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import itertools
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import logging
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from typing import Any, cast
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import voluptuous as vol
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from homeassistant.components import light
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from homeassistant.components.light import (
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ATTR_BRIGHTNESS,
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ATTR_COLOR_MODE,
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ATTR_COLOR_TEMP,
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ATTR_EFFECT,
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ATTR_EFFECT_LIST,
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ATTR_FLASH,
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ATTR_HS_COLOR,
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ATTR_MAX_MIREDS,
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ATTR_MIN_MIREDS,
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ATTR_RGB_COLOR,
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ATTR_RGBW_COLOR,
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ATTR_RGBWW_COLOR,
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ATTR_SUPPORTED_COLOR_MODES,
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ATTR_TRANSITION,
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ATTR_WHITE,
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ATTR_WHITE_VALUE,
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ATTR_XY_COLOR,
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COLOR_MODE_BRIGHTNESS,
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COLOR_MODE_ONOFF,
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PLATFORM_SCHEMA,
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SUPPORT_EFFECT,
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SUPPORT_FLASH,
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SUPPORT_TRANSITION,
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SUPPORT_WHITE_VALUE,
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LightEntity,
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)
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from homeassistant.const import (
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ATTR_ENTITY_ID,
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ATTR_SUPPORTED_FEATURES,
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CONF_ENTITIES,
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CONF_NAME,
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CONF_UNIQUE_ID,
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SERVICE_TURN_OFF,
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SERVICE_TURN_ON,
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STATE_ON,
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STATE_UNAVAILABLE,
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)
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from homeassistant.core import Event, HomeAssistant, State, callback
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.event import async_track_state_change_event
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from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
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from . import GroupEntity
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from .util import find_state_attributes, mean_tuple, reduce_attribute
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DEFAULT_NAME = "Light Group"
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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vol.Optional(CONF_UNIQUE_ID): cv.string,
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vol.Required(CONF_ENTITIES): cv.entities_domain(light.DOMAIN),
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}
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)
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SUPPORT_GROUP_LIGHT = (
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SUPPORT_EFFECT | SUPPORT_FLASH | SUPPORT_TRANSITION | SUPPORT_WHITE_VALUE
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)
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_platform(
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hass: HomeAssistant,
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config: ConfigType,
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async_add_entities: AddEntitiesCallback,
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discovery_info: DiscoveryInfoType | None = None,
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) -> None:
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"""Initialize light.group platform."""
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async_add_entities(
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[
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LightGroup(
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config.get(CONF_UNIQUE_ID), config[CONF_NAME], config[CONF_ENTITIES]
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)
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]
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)
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FORWARDED_ATTRIBUTES = frozenset(
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{
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ATTR_BRIGHTNESS,
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ATTR_COLOR_TEMP,
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ATTR_EFFECT,
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ATTR_FLASH,
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ATTR_HS_COLOR,
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ATTR_RGB_COLOR,
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ATTR_RGBW_COLOR,
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ATTR_RGBWW_COLOR,
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ATTR_TRANSITION,
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ATTR_WHITE,
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ATTR_WHITE_VALUE,
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ATTR_XY_COLOR,
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}
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)
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class LightGroup(GroupEntity, LightEntity):
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"""Representation of a light group."""
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_attr_available = False
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_attr_icon = "mdi:lightbulb-group"
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_attr_is_on = False
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_attr_max_mireds = 500
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_attr_min_mireds = 154
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_attr_should_poll = False
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def __init__(self, unique_id: str | None, name: str, entity_ids: list[str]) -> None:
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"""Initialize a light group."""
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self._entity_ids = entity_ids
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self._white_value: int | None = None
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self._attr_name = name
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self._attr_extra_state_attributes = {ATTR_ENTITY_ID: entity_ids}
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self._attr_unique_id = unique_id
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async def async_added_to_hass(self) -> None:
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"""Register callbacks."""
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@callback
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def async_state_changed_listener(event: Event) -> None:
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"""Handle child updates."""
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self.async_set_context(event.context)
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self.async_defer_or_update_ha_state()
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self.async_on_remove(
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async_track_state_change_event(
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self.hass, self._entity_ids, async_state_changed_listener
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)
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)
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await super().async_added_to_hass()
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@property
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def white_value(self) -> int | None:
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"""Return the white value of this light group between 0..255."""
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return self._white_value
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async def async_turn_on(self, **kwargs: Any) -> None:
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"""Forward the turn_on command to all lights in the light group."""
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data = {
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key: value for key, value in kwargs.items() if key in FORWARDED_ATTRIBUTES
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}
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data[ATTR_ENTITY_ID] = self._entity_ids
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_LOGGER.debug("Forwarded turn_on command: %s", data)
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await self.hass.services.async_call(
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light.DOMAIN,
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SERVICE_TURN_ON,
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data,
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blocking=True,
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context=self._context,
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)
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async def async_turn_off(self, **kwargs: Any) -> None:
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"""Forward the turn_off command to all lights in the light group."""
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data = {ATTR_ENTITY_ID: self._entity_ids}
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if ATTR_TRANSITION in kwargs:
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data[ATTR_TRANSITION] = kwargs[ATTR_TRANSITION]
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await self.hass.services.async_call(
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light.DOMAIN,
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SERVICE_TURN_OFF,
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data,
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blocking=True,
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context=self._context,
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)
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@callback
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def async_update_group_state(self) -> None:
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"""Query all members and determine the light group state."""
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all_states = [self.hass.states.get(x) for x in self._entity_ids]
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states: list[State] = list(filter(None, all_states))
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on_states = [state for state in states if state.state == STATE_ON]
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self._attr_is_on = len(on_states) > 0
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self._attr_available = any(state.state != STATE_UNAVAILABLE for state in states)
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self._attr_brightness = reduce_attribute(on_states, ATTR_BRIGHTNESS)
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self._attr_hs_color = reduce_attribute(
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on_states, ATTR_HS_COLOR, reduce=mean_tuple
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)
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self._attr_rgb_color = reduce_attribute(
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on_states, ATTR_RGB_COLOR, reduce=mean_tuple
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)
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self._attr_rgbw_color = reduce_attribute(
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on_states, ATTR_RGBW_COLOR, reduce=mean_tuple
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)
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self._attr_rgbww_color = reduce_attribute(
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on_states, ATTR_RGBWW_COLOR, reduce=mean_tuple
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)
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self._attr_xy_color = reduce_attribute(
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on_states, ATTR_XY_COLOR, reduce=mean_tuple
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)
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self._white_value = reduce_attribute(on_states, ATTR_WHITE_VALUE)
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self._attr_color_temp = reduce_attribute(on_states, ATTR_COLOR_TEMP)
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self._attr_min_mireds = reduce_attribute(
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states, ATTR_MIN_MIREDS, default=154, reduce=min
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)
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self._attr_max_mireds = reduce_attribute(
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states, ATTR_MAX_MIREDS, default=500, reduce=max
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)
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self._attr_effect_list = None
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all_effect_lists = list(find_state_attributes(states, ATTR_EFFECT_LIST))
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if all_effect_lists:
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# Merge all effects from all effect_lists with a union merge.
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self._attr_effect_list = list(set().union(*all_effect_lists))
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self._attr_effect_list.sort()
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if "None" in self._attr_effect_list:
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self._attr_effect_list.remove("None")
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self._attr_effect_list.insert(0, "None")
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self._attr_effect = None
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all_effects = list(find_state_attributes(on_states, ATTR_EFFECT))
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if all_effects:
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# Report the most common effect.
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effects_count = Counter(itertools.chain(all_effects))
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self._attr_effect = effects_count.most_common(1)[0][0]
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self._attr_color_mode = None
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all_color_modes = list(find_state_attributes(on_states, ATTR_COLOR_MODE))
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if all_color_modes:
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# Report the most common color mode, select brightness and onoff last
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color_mode_count = Counter(itertools.chain(all_color_modes))
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if COLOR_MODE_ONOFF in color_mode_count:
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color_mode_count[COLOR_MODE_ONOFF] = -1
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if COLOR_MODE_BRIGHTNESS in color_mode_count:
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color_mode_count[COLOR_MODE_BRIGHTNESS] = 0
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self._attr_color_mode = color_mode_count.most_common(1)[0][0]
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self._attr_supported_color_modes = None
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all_supported_color_modes = list(
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find_state_attributes(states, ATTR_SUPPORTED_COLOR_MODES)
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)
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if all_supported_color_modes:
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# Merge all color modes.
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self._attr_supported_color_modes = cast(
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set[str], set().union(*all_supported_color_modes)
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)
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self._attr_supported_features = 0
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for support in find_state_attributes(states, ATTR_SUPPORTED_FEATURES):
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# Merge supported features by emulating support for every feature
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# we find.
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self._attr_supported_features |= support
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# Bitwise-and the supported features with the GroupedLight's features
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# so that we don't break in the future when a new feature is added.
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self._attr_supported_features &= SUPPORT_GROUP_LIGHT
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