115 lines
3.6 KiB
Python
115 lines
3.6 KiB
Python
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"""
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Support for AlarmDecoder 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.alarmdecoder/
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"""
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import asyncio
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import logging
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from homeassistant.core import callback
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from homeassistant.components.binary_sensor import BinarySensorDevice
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from homeassistant.components.alarmdecoder import (ZONE_SCHEMA,
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CONF_ZONES,
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CONF_ZONE_NAME,
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CONF_ZONE_TYPE,
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SIGNAL_ZONE_FAULT,
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SIGNAL_ZONE_RESTORE)
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DEPENDENCIES = ['alarmdecoder']
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_LOGGER = logging.getLogger(__name__)
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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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"""Setup AlarmDecoder binary sensor devices."""
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configured_zones = discovery_info[CONF_ZONES]
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devices = []
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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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zone_type = device_config_data[CONF_ZONE_TYPE]
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zone_name = device_config_data[CONF_ZONE_NAME]
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device = AlarmDecoderBinarySensor(hass,
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zone_num,
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zone_name,
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zone_type)
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devices.append(device)
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async_add_devices(devices)
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return True
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class AlarmDecoderBinarySensor(BinarySensorDevice):
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"""Representation of an AlarmDecoder binary sensor."""
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def __init__(self, hass, zone_number, zone_name, zone_type):
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"""Initialize the binary_sensor."""
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self._zone_number = zone_number
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self._zone_type = zone_type
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self._state = 0
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self._name = zone_name
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self._type = zone_type
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_LOGGER.debug('AlarmDecoderBinarySensor: Setup up zone: ' + zone_name)
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@asyncio.coroutine
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def async_added_to_hass(self):
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"""Register callbacks."""
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async_dispatcher_connect(
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self.hass, SIGNAL_ZONE_FAULT, self._fault_callback)
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async_dispatcher_connect(
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self.hass, SIGNAL_ZONE_RESTORE, self._restore_callback)
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@property
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def name(self):
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"""Return the name of the entity."""
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return self._name
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@property
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def icon(self):
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"""Icon for device by its type."""
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if "window" in self._name.lower():
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return "mdi:window-open" if self.is_on else "mdi:window-closed"
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if self._type == 'smoke':
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return "mdi:fire"
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return None
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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 is_on(self):
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"""Return true if sensor is on."""
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return self._state == 1
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@property
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def device_class(self):
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"""Return the class of this sensor, from DEVICE_CLASSES."""
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return self._zone_type
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@callback
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def _fault_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._state = 1
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self.hass.async_add_job(self.async_update_ha_state())
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@callback
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def _restore_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._state = 0
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self.hass.async_add_job(self.async_update_ha_state())
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