82 lines
2.5 KiB
Python
82 lines
2.5 KiB
Python
"""
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Support for functionality to use a ZigBee device as a sensor.
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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/sensor.zigbee/
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"""
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import logging
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from binascii import hexlify
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from homeassistant.components import zigbee
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from homeassistant.const import TEMP_CELCIUS
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from homeassistant.core import JobPriority
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from homeassistant.helpers.entity import Entity
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DEPENDENCIES = ["zigbee"]
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_LOGGER = logging.getLogger(__name__)
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Setup the Z-Wave platform.
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Uses the 'type' config value to work out which type of ZigBee sensor we're
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dealing with and instantiates the relevant classes to handle it.
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"""
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typ = config.get("type", "").lower()
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if not typ:
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_LOGGER.exception(
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"Must include 'type' when configuring a ZigBee sensor.")
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return
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try:
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sensor_class, config_class = TYPE_CLASSES[typ]
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except KeyError:
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_LOGGER.exception("Unknown ZigBee sensor type: %s", typ)
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return
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add_entities([sensor_class(hass, config_class(config))])
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class ZigBeeTemperatureSensor(Entity):
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"""Representation of XBee Pro temperature sensor."""
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def __init__(self, hass, config):
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"""Initialize the sensor."""
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self._config = config
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self._temp = None
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# Get initial state
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hass.pool.add_job(
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JobPriority.EVENT_STATE, (self.update_ha_state, True))
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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._config.name
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@property
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def state(self):
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"""Return the state of the sensor."""
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return self._temp
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@property
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def unit_of_measurement(self):
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"""Unit the value is expressed in."""
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return TEMP_CELCIUS
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def update(self, *args):
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"""Get the latest data."""
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try:
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self._temp = zigbee.DEVICE.get_temperature(self._config.address)
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except zigbee.ZIGBEE_TX_FAILURE:
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_LOGGER.warning(
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"Transmission failure when attempting to get sample from "
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"ZigBee device at address: %s", hexlify(self._config.address))
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except zigbee.ZIGBEE_EXCEPTION as exc:
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_LOGGER.exception(
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"Unable to get sample from ZigBee device: %s", exc)
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# This must be below the classes to which it refers.
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TYPE_CLASSES = {
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"temperature": (ZigBeeTemperatureSensor, zigbee.ZigBeeConfig),
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"analog": (zigbee.ZigBeeAnalogIn, zigbee.ZigBeeAnalogInConfig)
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}
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