98 lines
2.8 KiB
Python
98 lines
2.8 KiB
Python
"""
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Support for deCONZ binary sensor.
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For more details about this component, please refer to the documentation at
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https://home-assistant.io/components/binary_sensor.deconz/
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"""
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import asyncio
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from homeassistant.components.binary_sensor import BinarySensorDevice
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from homeassistant.components.deconz import DOMAIN as DECONZ_DATA
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from homeassistant.const import ATTR_BATTERY_LEVEL
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from homeassistant.core import callback
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DEPENDENCIES = ['deconz']
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@asyncio.coroutine
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def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
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"""Set up the deCONZ binary sensor."""
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if discovery_info is None:
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return
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from pydeconz.sensor import DECONZ_BINARY_SENSOR
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sensors = hass.data[DECONZ_DATA].sensors
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entities = []
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for key in sorted(sensors.keys(), key=int):
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sensor = sensors[key]
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if sensor and sensor.type in DECONZ_BINARY_SENSOR:
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entities.append(DeconzBinarySensor(sensor))
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async_add_devices(entities, True)
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class DeconzBinarySensor(BinarySensorDevice):
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"""Representation of a binary sensor."""
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def __init__(self, sensor):
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"""Set up sensor and add update callback to get data from websocket."""
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self._sensor = sensor
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@asyncio.coroutine
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def async_added_to_hass(self):
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"""Subscribe sensors events."""
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self._sensor.register_async_callback(self.async_update_callback)
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@callback
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def async_update_callback(self, reason):
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"""Update the sensor's state.
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If reason is that state is updated,
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or reachable has changed or battery has changed.
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"""
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if reason['state'] or \
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'reachable' in reason['attr'] or \
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'battery' in reason['attr']:
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self.async_schedule_update_ha_state()
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@property
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def is_on(self):
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"""Return true if sensor is on."""
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return self._sensor.is_tripped
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._sensor.name
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@property
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def device_class(self):
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"""Return the class of the sensor."""
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return self._sensor.sensor_class
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@property
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def icon(self):
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"""Return the icon to use in the frontend."""
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return self._sensor.sensor_icon
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@property
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def available(self):
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"""Return True if sensor is available."""
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return self._sensor.reachable
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@property
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def should_poll(self):
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"""No polling needed."""
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return False
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@property
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def device_state_attributes(self):
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"""Return the state attributes of the sensor."""
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from pydeconz.sensor import PRESENCE
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attr = {
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ATTR_BATTERY_LEVEL: self._sensor.battery,
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}
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if self._sensor.type == PRESENCE:
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attr['dark'] = self._sensor.dark
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return attr
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