event.py

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"""Support for ESPHome event components."""
 
from __future__ import annotations
 
from functools import partial
 
from aioesphomeapi import EntityInfo, Event, EventInfo
 
from homeassistant.components.event import EventDeviceClass, EventEntity
from homeassistant.core import callback
from homeassistant.util.enum import try_parse_enum
 
from .entity import EsphomeEntity, platform_async_setup_entry
 
 
class EsphomeEvent(EsphomeEntity[EventInfo, Event], EventEntity):
    """An event implementation for ESPHome."""
 
    @callback
    def _on_static_info_update(self, static_info: EntityInfo) -> None:
        """Set attrs from static info."""
        super()._on_static_info_update(static_info)
        static_info = self._static_info_static_info
        if event_types := static_info.event_types:
            self._attr_event_types_attr_event_types = event_types
        self._attr_device_class_attr_device_class = try_parse_enum(
            EventDeviceClass, static_info.device_class
        )
 
    @callback
    def _on_state_update(self) -> None:
        self._update_state_from_entry_data_update_state_from_entry_data()
        self._trigger_event_trigger_event(self._state_state.event_type)
        self.async_write_ha_stateasync_write_ha_state()
 
 
async_setup_entry = partial(
    platform_async_setup_entry,
    info_type=EventInfo,
    entity_type=EsphomeEvent,
    state_type=Event,
)