72 lines
2.7 KiB
Python
72 lines
2.7 KiB
Python
"""
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Support for Envisalink zone states- represented as binary sensors.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/binary_sensor.envisalink/
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"""
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import logging
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from homeassistant.components.binary_sensor import BinarySensorDevice
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from homeassistant.components.envisalink import (EVL_CONTROLLER,
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ZONE_SCHEMA,
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CONF_ZONENAME,
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CONF_ZONETYPE,
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EnvisalinkDevice,
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SIGNAL_ZONE_UPDATE)
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from homeassistant.const import ATTR_LAST_TRIP_TIME
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DEPENDENCIES = ['envisalink']
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_LOGGER = logging.getLogger(__name__)
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def setup_platform(hass, config, add_devices_callback, discovery_info=None):
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"""Setup Envisalink binary sensor devices."""
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_configured_zones = discovery_info['zones']
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for zone_num in _configured_zones:
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_device_config_data = ZONE_SCHEMA(_configured_zones[zone_num])
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_device = EnvisalinkBinarySensor(
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zone_num,
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_device_config_data[CONF_ZONENAME],
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_device_config_data[CONF_ZONETYPE],
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EVL_CONTROLLER.alarm_state['zone'][zone_num],
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EVL_CONTROLLER)
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add_devices_callback([_device])
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class EnvisalinkBinarySensor(EnvisalinkDevice, BinarySensorDevice):
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"""Representation of an Envisalink binary sensor."""
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# pylint: disable=too-many-arguments
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def __init__(self, zone_number, zone_name, zone_type, info, controller):
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"""Initialize the binary_sensor."""
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from pydispatch import dispatcher
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self._zone_type = zone_type
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self._zone_number = zone_number
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_LOGGER.debug('Setting up zone: ' + zone_name)
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EnvisalinkDevice.__init__(self, zone_name, info, controller)
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dispatcher.connect(self._update_callback,
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signal=SIGNAL_ZONE_UPDATE,
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sender=dispatcher.Any)
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@property
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def device_state_attributes(self):
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"""Return the state attributes."""
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attr = {}
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attr[ATTR_LAST_TRIP_TIME] = self._info['last_fault']
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return attr
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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._info['status']['open']
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@property
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def sensor_class(self):
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"""Return the class of this sensor, from SENSOR_CLASSES."""
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return self._zone_type
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def _update_callback(self, zone):
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"""Update the zone's state, if needed."""
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if zone is None or int(zone) == self._zone_number:
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self.update_ha_state()
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