core/homeassistant/components/knx/binary_sensor.py

44 lines
1.4 KiB
Python

"""Support for KNX/IP binary sensors."""
from typing import Any, Dict, Optional
from xknx.devices import BinarySensor as XknxBinarySensor
from homeassistant.components.binary_sensor import DEVICE_CLASSES, BinarySensorEntity
from .const import ATTR_COUNTER, DOMAIN
from .knx_entity import KnxEntity
async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
"""Set up binary sensor(s) for KNX platform."""
entities = []
for device in hass.data[DOMAIN].xknx.devices:
if isinstance(device, XknxBinarySensor):
entities.append(KNXBinarySensor(device))
async_add_entities(entities)
class KNXBinarySensor(KnxEntity, BinarySensorEntity):
"""Representation of a KNX binary sensor."""
def __init__(self, device: XknxBinarySensor):
"""Initialize of KNX binary sensor."""
super().__init__(device)
@property
def device_class(self):
"""Return the class of this sensor."""
if self._device.device_class in DEVICE_CLASSES:
return self._device.device_class
return None
@property
def is_on(self):
"""Return true if the binary sensor is on."""
return self._device.is_on()
@property
def device_state_attributes(self) -> Optional[Dict[str, Any]]:
"""Return device specific state attributes."""
return {ATTR_COUNTER: self._device.counter}