310 lines
10 KiB
Python
310 lines
10 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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from collections.abc import Iterator
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import itertools
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from typing import Any, Callable, Set, 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_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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)
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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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STATE_ON,
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STATE_UNAVAILABLE,
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)
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from homeassistant.core import CoreState, Event, HomeAssistant, State
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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
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from . import GroupEntity
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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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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: dict[str, Any] | 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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class LightGroup(GroupEntity, light.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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async 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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await 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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if self.hass.state == CoreState.running:
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await self.async_update()
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return
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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 = {ATTR_ENTITY_ID: self._entity_ids}
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if ATTR_BRIGHTNESS in kwargs:
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data[ATTR_BRIGHTNESS] = kwargs[ATTR_BRIGHTNESS]
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if ATTR_HS_COLOR in kwargs:
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data[ATTR_HS_COLOR] = kwargs[ATTR_HS_COLOR]
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if ATTR_RGB_COLOR in kwargs:
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data[ATTR_RGB_COLOR] = kwargs[ATTR_RGB_COLOR]
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if ATTR_RGBW_COLOR in kwargs:
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data[ATTR_RGBW_COLOR] = kwargs[ATTR_RGBW_COLOR]
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if ATTR_RGBWW_COLOR in kwargs:
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data[ATTR_RGBWW_COLOR] = kwargs[ATTR_RGBWW_COLOR]
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if ATTR_XY_COLOR in kwargs:
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data[ATTR_XY_COLOR] = kwargs[ATTR_XY_COLOR]
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if ATTR_COLOR_TEMP in kwargs:
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data[ATTR_COLOR_TEMP] = kwargs[ATTR_COLOR_TEMP]
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if ATTR_WHITE_VALUE in kwargs:
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data[ATTR_WHITE_VALUE] = kwargs[ATTR_WHITE_VALUE]
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if ATTR_EFFECT in kwargs:
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data[ATTR_EFFECT] = kwargs[ATTR_EFFECT]
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if ATTR_TRANSITION in kwargs:
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data[ATTR_TRANSITION] = kwargs[ATTR_TRANSITION]
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if ATTR_FLASH in kwargs:
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data[ATTR_FLASH] = kwargs[ATTR_FLASH]
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await self.hass.services.async_call(
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light.DOMAIN,
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light.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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light.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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async def async_update(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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def _find_state_attributes(states: list[State], key: str) -> Iterator[Any]:
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"""Find attributes with matching key from states."""
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for state in states:
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value = state.attributes.get(key)
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if value is not None:
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yield value
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def _mean_int(*args: Any) -> int:
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"""Return the mean of the supplied values."""
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return int(sum(args) / len(args))
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def _mean_tuple(*args: Any) -> tuple[float | Any, ...]:
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"""Return the mean values along the columns of the supplied values."""
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return tuple(sum(x) / len(x) for x in zip(*args))
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def _reduce_attribute(
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states: list[State],
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key: str,
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default: Any | None = None,
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reduce: Callable[..., Any] = _mean_int,
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) -> Any:
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"""Find the first attribute matching key from states.
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If none are found, return default.
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"""
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attrs = list(_find_state_attributes(states, key))
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if not attrs:
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return default
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if len(attrs) == 1:
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return attrs[0]
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return reduce(*attrs)
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