79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
"""
|
|
Support for WeMo sensors.
|
|
|
|
For more details about this component, please refer to the documentation at
|
|
https://home-assistant.io/components/binary_sensor.wemo/
|
|
"""
|
|
import logging
|
|
|
|
from homeassistant.components.binary_sensor import BinarySensorDevice
|
|
from homeassistant.loader import get_component
|
|
|
|
DEPENDENCIES = ['wemo']
|
|
|
|
_LOGGER = logging.getLogger(__name__)
|
|
|
|
|
|
# pylint: disable=unused-argument, too-many-function-args
|
|
def setup_platform(hass, config, add_devices_callback, discovery_info=None):
|
|
"""Register discovered WeMo binary sensors."""
|
|
import pywemo.discovery as discovery
|
|
|
|
if discovery_info is not None:
|
|
location = discovery_info[2]
|
|
mac = discovery_info[3]
|
|
device = discovery.device_from_description(location, mac)
|
|
|
|
if device:
|
|
add_devices_callback([WemoBinarySensor(device)])
|
|
|
|
|
|
class WemoBinarySensor(BinarySensorDevice):
|
|
"""Represents a WeMo binary sensor."""
|
|
|
|
def __init__(self, device):
|
|
"""Initialize the WeMo sensor."""
|
|
self.wemo = device
|
|
self._state = None
|
|
|
|
wemo = get_component('wemo')
|
|
wemo.SUBSCRIPTION_REGISTRY.register(self.wemo)
|
|
wemo.SUBSCRIPTION_REGISTRY.on(self.wemo, None, self._update_callback)
|
|
|
|
def _update_callback(self, _device, _params):
|
|
"""Called by the wemo device callback to update state."""
|
|
_LOGGER.info(
|
|
'Subscription update for %s',
|
|
_device)
|
|
self.update()
|
|
if not hasattr(self, 'hass'):
|
|
return
|
|
self.schedule_update_ha_state()
|
|
|
|
@property
|
|
def should_poll(self):
|
|
"""No polling needed with subscriptions."""
|
|
return False
|
|
|
|
@property
|
|
def unique_id(self):
|
|
"""Return the id of this WeMo device."""
|
|
return "{}.{}".format(self.__class__, self.wemo.serialnumber)
|
|
|
|
@property
|
|
def name(self):
|
|
"""Return the name of the sevice if any."""
|
|
return self.wemo.name
|
|
|
|
@property
|
|
def is_on(self):
|
|
"""True if sensor is on."""
|
|
return self._state
|
|
|
|
def update(self):
|
|
"""Update WeMo state."""
|
|
try:
|
|
self._state = self.wemo.get_state(True)
|
|
except AttributeError:
|
|
_LOGGER.warning('Could not update status for %s', self.name)
|