100 lines
2.8 KiB
Python
100 lines
2.8 KiB
Python
"""
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Support for Vanderbilt (formerly Siemens) SPC alarm systems.
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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.spc/
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"""
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import logging
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import asyncio
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from homeassistant.components.spc import (
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ATTR_DISCOVER_DEVICES, DATA_REGISTRY)
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from homeassistant.components.binary_sensor import BinarySensorDevice
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from homeassistant.const import (STATE_UNAVAILABLE, STATE_ON, STATE_OFF)
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_LOGGER = logging.getLogger(__name__)
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SPC_TYPE_TO_DEVICE_CLASS = {'0': 'motion',
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'1': 'opening',
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'3': 'smoke'}
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SPC_INPUT_TO_SENSOR_STATE = {'0': STATE_OFF,
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'1': STATE_ON}
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def _get_device_class(spc_type):
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return SPC_TYPE_TO_DEVICE_CLASS.get(spc_type, None)
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def _get_sensor_state(spc_input):
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return SPC_INPUT_TO_SENSOR_STATE.get(spc_input, STATE_UNAVAILABLE)
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def _create_sensor(hass, zone):
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return SpcBinarySensor(zone_id=zone['id'],
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name=zone['zone_name'],
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state=_get_sensor_state(zone['input']),
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device_class=_get_device_class(zone['type']),
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spc_registry=hass.data[DATA_REGISTRY])
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@asyncio.coroutine
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def async_setup_platform(hass, config, async_add_entities,
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discovery_info=None):
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"""Initialize the platform."""
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if (discovery_info is None or
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discovery_info[ATTR_DISCOVER_DEVICES] is None):
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return
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async_add_entities(
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_create_sensor(hass, zone)
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for zone in discovery_info[ATTR_DISCOVER_DEVICES]
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if _get_device_class(zone['type']))
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class SpcBinarySensor(BinarySensorDevice):
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"""Represents a sensor based on an SPC zone."""
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def __init__(self, zone_id, name, state, device_class, spc_registry):
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"""Initialize the sensor device."""
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self._zone_id = zone_id
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self._name = name
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self._state = state
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self._device_class = device_class
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spc_registry.register_sensor_device(zone_id, self)
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@asyncio.coroutine
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def async_update_from_spc(self, state):
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"""Update the state of the device."""
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self._state = state
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yield from self.async_update_ha_state()
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@property
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def name(self):
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"""The name of the device."""
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return self._name
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@property
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def is_on(self):
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"""Whether the device is switched on."""
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return self._state == STATE_ON
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@property
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def hidden(self) -> bool:
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"""Whether the device is hidden by default."""
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# these type of sensors are probably mainly used for automations
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return True
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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_class(self):
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"""The device class."""
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return self._device_class
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