core/homeassistant/components/esphome/button.py

53 lines
1.7 KiB
Python

"""Support for ESPHome buttons."""
from __future__ import annotations
from aioesphomeapi import ButtonInfo, EntityInfo, EntityState
from homeassistant.components.button import ButtonDeviceClass, ButtonEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.util.enum import try_parse_enum
from .entity import (
EsphomeEntity,
platform_async_setup_entry,
)
async def async_setup_entry(
hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
) -> None:
"""Set up ESPHome buttons based on a config entry."""
await platform_async_setup_entry(
hass,
entry,
async_add_entities,
info_type=ButtonInfo,
entity_type=EsphomeButton,
state_type=EntityState,
)
class EsphomeButton(EsphomeEntity[ButtonInfo, EntityState], ButtonEntity):
"""A button 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)
self._attr_device_class = try_parse_enum(
ButtonDeviceClass, self._static_info.device_class
)
@callback
def _on_device_update(self) -> None:
"""Update the entity state when device info has changed."""
# This override the EsphomeEntity method as the button entity
# never gets a state update.
self._on_state_update()
async def async_press(self) -> None:
"""Press the button."""
await self._client.button_command(self._key)