130 lines
4.4 KiB
Python
130 lines
4.4 KiB
Python
"""Support for scene platform for Hue scenes (V2 only)."""
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from __future__ import annotations
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from typing import Any
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from aiohue.v2 import HueBridgeV2
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from aiohue.v2.controllers.events import EventType
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from aiohue.v2.controllers.scenes import ScenesController
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from aiohue.v2.models.scene import Scene as HueScene
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from homeassistant.components.light import ATTR_TRANSITION
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from homeassistant.components.scene import Scene as SceneEntity
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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 .v2.entity import HueBaseEntity
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from .v2.helpers import normalize_hue_transition
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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 scene platform from Hue group scenes."""
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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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if bridge.api_version == 1:
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# should not happen, but just in case
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raise NotImplementedError("Scene support is only available for V2 bridges")
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# add entities for all scenes
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@callback
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def async_add_entity(event_type: EventType, resource: HueScene) -> None:
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"""Add entity from Hue resource."""
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async_add_entities([HueSceneEntity(bridge, api.scenes, resource)])
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# add all current items in controller
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for item in api.scenes:
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async_add_entity(EventType.RESOURCE_ADDED, item)
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# register listener for new items only
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config_entry.async_on_unload(
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api.scenes.subscribe(async_add_entity, event_filter=EventType.RESOURCE_ADDED)
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)
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class HueSceneEntity(HueBaseEntity, SceneEntity):
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"""Representation of a Scene entity from Hue Scenes."""
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def __init__(
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self,
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bridge: HueBridge,
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controller: ScenesController,
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resource: HueScene,
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) -> None:
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"""Initialize the entity."""
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super().__init__(bridge, controller, resource)
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self.resource = resource
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self.controller = controller
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self.group = self.controller.get_group(self.resource.id)
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async def async_added_to_hass(self) -> None:
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"""Call when entity is added."""
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await super().async_added_to_hass()
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# Add value_changed callback for group to catch name changes.
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self.async_on_remove(
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self.bridge.api.groups.subscribe(
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self._handle_event,
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self.group.id,
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(EventType.RESOURCE_UPDATED),
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)
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)
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@property
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def name(self) -> str:
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"""Return default entity name."""
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group = self.controller.get_group(self.resource.id)
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return f"{group.metadata.name} - {self.resource.metadata.name}"
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@property
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def is_dynamic(self) -> bool:
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"""Return if this scene has a dynamic color palette."""
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if self.resource.palette.color and len(self.resource.palette.color) > 1:
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return True
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if (
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self.resource.palette.color_temperature
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and len(self.resource.palette.color_temperature) > 1
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):
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return True
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return False
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async def async_activate(self, **kwargs: Any) -> None:
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"""Activate Hue scene."""
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transition = normalize_hue_transition(kwargs.get(ATTR_TRANSITION))
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dynamic = kwargs.get("dynamic", self.is_dynamic)
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await self.bridge.async_request_call(
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self.controller.recall,
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self.resource.id,
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dynamic=dynamic,
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duration=transition,
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)
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@property
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def extra_state_attributes(self) -> dict[str, Any] | None:
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"""Return the optional state attributes."""
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brightness = None
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if palette := self.resource.palette:
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if palette.dimming:
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brightness = palette.dimming[0].brightness
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if brightness is None:
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# get brightness from actions
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for action in self.resource.actions:
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if action.action.dimming:
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brightness = action.action.dimming.brightness
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break
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return {
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"group_name": self.group.metadata.name,
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"group_type": self.group.type.value,
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"name": self.resource.metadata.name,
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"speed": self.resource.speed,
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"brightness": brightness,
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"is_dynamic": self.is_dynamic,
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}
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