core/homeassistant/components/volvooncall/binary_sensor.py

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"""
Support for VOC.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/binary_sensor.volvooncall/
"""
import logging
from homeassistant.components.volvooncall import VolvoEntity, DATA_KEY
from homeassistant.components.binary_sensor import (
BinarySensorDevice, DEVICE_CLASSES)
_LOGGER = logging.getLogger(__name__)
async def async_setup_platform(hass, config, async_add_entities,
discovery_info=None):
"""Set up the Volvo sensors."""
if discovery_info is None:
return
async_add_entities([VolvoSensor(hass.data[DATA_KEY], *discovery_info)])
class VolvoSensor(VolvoEntity, BinarySensorDevice):
"""Representation of a Volvo sensor."""
@property
def is_on(self):
"""Return True if the binary sensor is on."""
return self.instrument.is_on
@property
def device_class(self):
"""Return the class of this sensor, from DEVICE_CLASSES."""
if self.instrument.device_class in DEVICE_CLASSES:
return self.instrument.device_class
return None