138 lines
4.3 KiB
Python
138 lines
4.3 KiB
Python
"""Support for MQTT scenes."""
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from __future__ import annotations
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import functools
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from typing import Any
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import voluptuous as vol
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from homeassistant.components import scene
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from homeassistant.components.scene import Scene
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_ICON, CONF_NAME, CONF_PAYLOAD_ON, CONF_UNIQUE_ID
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from homeassistant.core import HomeAssistant
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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.typing import ConfigType, DiscoveryInfoType
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from .client import async_publish
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from .config import MQTT_BASE_SCHEMA
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from .const import CONF_COMMAND_TOPIC, CONF_ENCODING, CONF_QOS, CONF_RETAIN
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from .mixins import (
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CONF_ENABLED_BY_DEFAULT,
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CONF_OBJECT_ID,
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MQTT_AVAILABILITY_SCHEMA,
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MqttEntity,
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async_setup_entry_helper,
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async_setup_platform_helper,
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warn_for_legacy_schema,
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)
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from .util import valid_publish_topic
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DEFAULT_NAME = "MQTT Scene"
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DEFAULT_RETAIN = False
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PLATFORM_SCHEMA_MODERN = MQTT_BASE_SCHEMA.extend(
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{
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vol.Required(CONF_COMMAND_TOPIC): valid_publish_topic,
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vol.Optional(CONF_ICON): cv.icon,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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vol.Optional(CONF_PAYLOAD_ON): cv.string,
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vol.Optional(CONF_UNIQUE_ID): cv.string,
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vol.Optional(CONF_RETAIN, default=DEFAULT_RETAIN): cv.boolean,
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vol.Optional(CONF_OBJECT_ID): cv.string,
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# CONF_ENABLED_BY_DEFAULT is not added by default because we are not using the common schema here
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vol.Optional(CONF_ENABLED_BY_DEFAULT, default=True): cv.boolean,
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}
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).extend(MQTT_AVAILABILITY_SCHEMA.schema)
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# Configuring MQTT Scenes under the scene platform key is deprecated in HA Core 2022.6
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PLATFORM_SCHEMA = vol.All(
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cv.PLATFORM_SCHEMA.extend(PLATFORM_SCHEMA_MODERN.schema),
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warn_for_legacy_schema(scene.DOMAIN),
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)
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DISCOVERY_SCHEMA = PLATFORM_SCHEMA_MODERN.extend({}, extra=vol.REMOVE_EXTRA)
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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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"""Set up MQTT scene configured under the scene platform key (deprecated)."""
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# Deprecated in HA Core 2022.6
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await async_setup_platform_helper(
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hass,
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scene.DOMAIN,
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discovery_info or config,
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async_add_entities,
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_async_setup_entity,
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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 MQTT scene through configuration.yaml and dynamically through MQTT discovery."""
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setup = functools.partial(
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_async_setup_entity, hass, async_add_entities, config_entry=config_entry
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)
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await async_setup_entry_helper(hass, scene.DOMAIN, setup, DISCOVERY_SCHEMA)
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async def _async_setup_entity(
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hass: HomeAssistant,
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async_add_entities: AddEntitiesCallback,
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config: ConfigType,
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config_entry: ConfigEntry | None = None,
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discovery_data: dict | None = None,
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) -> None:
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"""Set up the MQTT scene."""
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async_add_entities([MqttScene(hass, config, config_entry, discovery_data)])
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class MqttScene(
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MqttEntity,
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Scene,
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):
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"""Representation of a scene that can be activated using MQTT."""
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_entity_id_format = scene.DOMAIN + ".{}"
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def __init__(self, hass, config, config_entry, discovery_data):
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"""Initialize the MQTT scene."""
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MqttEntity.__init__(self, hass, config, config_entry, discovery_data)
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@staticmethod
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def config_schema():
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"""Return the config schema."""
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return DISCOVERY_SCHEMA
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def _setup_from_config(self, config):
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"""(Re)Setup the entity."""
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self._config = config
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def _prepare_subscribe_topics(self):
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"""(Re)Subscribe to topics."""
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async def _subscribe_topics(self):
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"""(Re)Subscribe to topics."""
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async def async_activate(self, **kwargs: Any) -> None:
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"""Activate the scene.
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This method is a coroutine.
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"""
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await async_publish(
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self.hass,
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self._config[CONF_COMMAND_TOPIC],
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self._config[CONF_PAYLOAD_ON],
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self._config[CONF_QOS],
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self._config[CONF_RETAIN],
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self._config[CONF_ENCODING],
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)
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