core/homeassistant/components/esphome/binary_sensor.py

62 lines
2.0 KiB
Python

"""Support for ESPHome binary sensors."""
import logging
from typing import TYPE_CHECKING, Optional
from homeassistant.components.binary_sensor import BinarySensorDevice
from . import EsphomeEntity, platform_async_setup_entry
if TYPE_CHECKING:
# pylint: disable=unused-import
from aioesphomeapi import BinarySensorInfo, BinarySensorState # noqa
_LOGGER = logging.getLogger(__name__)
async def async_setup_entry(hass, entry, async_add_entities):
"""Set up ESPHome binary sensors based on a config entry."""
# pylint: disable=redefined-outer-name
from aioesphomeapi import BinarySensorInfo, BinarySensorState # noqa
await platform_async_setup_entry(
hass, entry, async_add_entities,
component_key='binary_sensor',
info_type=BinarySensorInfo, entity_type=EsphomeBinarySensor,
state_type=BinarySensorState
)
class EsphomeBinarySensor(EsphomeEntity, BinarySensorDevice):
"""A binary sensor implementation for ESPHome."""
@property
def _static_info(self) -> 'BinarySensorInfo':
return super()._static_info
@property
def _state(self) -> Optional['BinarySensorState']:
return super()._state
@property
def is_on(self) -> Optional[bool]:
"""Return true if the binary sensor is on."""
if self._static_info.is_status_binary_sensor:
# Status binary sensors indicated connected state.
# So in their case what's usually _availability_ is now state
return self._entry_data.available
if self._state is None:
return None
return self._state.state
@property
def device_class(self) -> str:
"""Return the class of this device, from component DEVICE_CLASSES."""
return self._static_info.device_class
@property
def available(self) -> bool:
"""Return True if entity is available."""
if self._static_info.is_status_binary_sensor:
return True
return super().available