mirror of https://github.com/home-assistant/core
132 lines
4.5 KiB
Python
132 lines
4.5 KiB
Python
"""Support for bthome event entities."""
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from __future__ import annotations
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from dataclasses import replace
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from homeassistant.components.event import (
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EventDeviceClass,
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EventEntity,
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EventEntityDescription,
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)
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers import device_registry as dr, entity_registry as er
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from . import format_discovered_event_class, format_event_dispatcher_name
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from .const import (
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DOMAIN,
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EVENT_CLASS_BUTTON,
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EVENT_CLASS_DIMMER,
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EVENT_PROPERTIES,
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EVENT_TYPE,
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BTHomeBleEvent,
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)
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from .types import BTHomeConfigEntry
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DESCRIPTIONS_BY_EVENT_CLASS = {
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EVENT_CLASS_BUTTON: EventEntityDescription(
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key=EVENT_CLASS_BUTTON,
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translation_key="button",
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event_types=[
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"press",
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"double_press",
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"triple_press",
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"long_press",
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"long_double_press",
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"long_triple_press",
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],
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device_class=EventDeviceClass.BUTTON,
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),
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EVENT_CLASS_DIMMER: EventEntityDescription(
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key=EVENT_CLASS_DIMMER,
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translation_key="dimmer",
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event_types=["rotate_left", "rotate_right"],
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),
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}
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class BTHomeEventEntity(EventEntity):
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"""Representation of a BTHome event entity."""
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_attr_should_poll = False
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_attr_has_entity_name = True
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def __init__(
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self,
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address: str,
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event_class: str,
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event: BTHomeBleEvent | None,
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) -> None:
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"""Initialise a BTHome event entity."""
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self._update_signal = format_event_dispatcher_name(address, event_class)
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# event_class is something like "button" or "dimmer"
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# and it maybe postfixed with "_1", "_2", "_3", etc
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# If there is only one button then it will be "button"
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base_event_class, _, postfix = event_class.partition("_")
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base_description = DESCRIPTIONS_BY_EVENT_CLASS[base_event_class]
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self.entity_description = replace(base_description, key=event_class)
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postfix_name = f" {postfix}" if postfix else ""
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self._attr_name = f"{base_event_class.title()}{postfix_name}"
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# Matches logic in PassiveBluetoothProcessorEntity
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self._attr_device_info = dr.DeviceInfo(
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identifiers={(DOMAIN, address)},
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connections={(dr.CONNECTION_BLUETOOTH, address)},
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)
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self._attr_unique_id = f"{address}-{event_class}"
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# If the event is provided then we can set the initial state
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# since the event itself is likely what triggered the creation
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# of this entity. We have to do this at creation time since
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# entities are created dynamically and would otherwise miss
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# the initial state.
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if event:
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self._trigger_event(event[EVENT_TYPE], event[EVENT_PROPERTIES])
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async def async_added_to_hass(self) -> None:
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"""Entity added to hass."""
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await super().async_added_to_hass()
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self.async_on_remove(
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async_dispatcher_connect(
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self.hass,
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self._update_signal,
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self._async_handle_event,
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)
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)
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@callback
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def _async_handle_event(self, event: BTHomeBleEvent) -> None:
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self._trigger_event(event[EVENT_TYPE], event[EVENT_PROPERTIES])
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self.async_write_ha_state()
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async def async_setup_entry(
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hass: HomeAssistant,
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entry: BTHomeConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up BTHome event."""
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coordinator = entry.runtime_data
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address = coordinator.address
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ent_reg = er.async_get(hass)
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async_add_entities(
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# Matches logic in PassiveBluetoothProcessorEntity
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BTHomeEventEntity(address_event_class[0], address_event_class[2], None)
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for ent_reg_entry in er.async_entries_for_config_entry(ent_reg, entry.entry_id)
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if ent_reg_entry.domain == "event"
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and (address_event_class := ent_reg_entry.unique_id.partition("-"))
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)
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@callback
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def _async_discovered_event_class(event_class: str, event: BTHomeBleEvent) -> None:
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"""Handle a newly discovered event class with or without a postfix."""
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async_add_entities([BTHomeEventEntity(address, event_class, event)])
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entry.async_on_unload(
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async_dispatcher_connect(
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hass,
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format_discovered_event_class(address),
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_async_discovered_event_class,
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)
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)
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