core/homeassistant/components/blink/binary_sensor.py

55 lines
1.7 KiB
Python

"""
Support for Blink system camera control.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/binary_sensor.blink.
"""
from homeassistant.components.blink import BLINK_DATA, BINARY_SENSORS
from homeassistant.components.binary_sensor import BinarySensorDevice
from homeassistant.const import CONF_MONITORED_CONDITIONS
DEPENDENCIES = ['blink']
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the blink binary sensors."""
if discovery_info is None:
return
data = hass.data[BLINK_DATA]
devs = []
for camera in data.cameras:
for sensor_type in discovery_info[CONF_MONITORED_CONDITIONS]:
devs.append(BlinkBinarySensor(data, camera, sensor_type))
add_entities(devs, True)
class BlinkBinarySensor(BinarySensorDevice):
"""Representation of a Blink binary sensor."""
def __init__(self, data, camera, sensor_type):
"""Initialize the sensor."""
self.data = data
self._type = sensor_type
name, icon = BINARY_SENSORS[sensor_type]
self._name = "{} {} {}".format(BLINK_DATA, camera, name)
self._icon = icon
self._camera = data.cameras[camera]
self._state = None
self._unique_id = "{}-{}".format(self._camera.serial, self._type)
@property
def name(self):
"""Return the name of the blink sensor."""
return self._name
@property
def is_on(self):
"""Return the status of the sensor."""
return self._state
def update(self):
"""Update sensor state."""
self.data.refresh()
self._state = self._camera.attributes[self._type]