54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
"""Support for KNX/IP sensors."""
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from xknx.devices import Sensor as XknxSensor
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from homeassistant.components.sensor import DEVICE_CLASSES
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from homeassistant.helpers.entity import Entity
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from .const import DOMAIN
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from .knx_entity import KnxEntity
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async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
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"""Set up sensor(s) for KNX platform."""
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entities = []
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for device in hass.data[DOMAIN].xknx.devices:
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if isinstance(device, XknxSensor):
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entities.append(KNXSensor(device))
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async_add_entities(entities)
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class KNXSensor(KnxEntity, Entity):
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"""Representation of a KNX sensor."""
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def __init__(self, device: XknxSensor):
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"""Initialize of a KNX sensor."""
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super().__init__(device)
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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._device.resolve_state()
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@property
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def unit_of_measurement(self):
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"""Return the unit this state is expressed in."""
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return self._device.unit_of_measurement()
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@property
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def device_class(self):
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"""Return the device class of the sensor."""
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device_class = self._device.ha_device_class()
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if device_class in DEVICE_CLASSES:
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return device_class
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return None
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@property
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def force_update(self) -> bool:
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"""
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Return True if state updates should be forced.
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If True, a state change will be triggered anytime the state property is
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updated, not just when the value changes.
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"""
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return self._device.always_callback
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