a2651845f3
* Refactor KNX integration to centralize configuration yaml (#39189) * Updates for xknx 0.12.0 (#38880)
84 lines
2.5 KiB
Python
84 lines
2.5 KiB
Python
"""Support for KNX/IP sensors."""
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from xknx.devices import Sensor as XknxSensor
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from homeassistant.core import callback
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from homeassistant.helpers.entity import Entity
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from . import ATTR_DISCOVER_DEVICES, DATA_KNX
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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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if discovery_info is not None:
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async_add_entities_discovery(hass, discovery_info, async_add_entities)
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@callback
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def async_add_entities_discovery(hass, discovery_info, async_add_entities):
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"""Set up sensors for KNX platform configured via xknx.yaml."""
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entities = []
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for device_name in discovery_info[ATTR_DISCOVER_DEVICES]:
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device = hass.data[DATA_KNX].xknx.devices[device_name]
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entities.append(KNXSensor(device))
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async_add_entities(entities)
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class KNXSensor(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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self.device = device
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@callback
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def async_register_callbacks(self):
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"""Register callbacks to update hass after device was changed."""
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async def after_update_callback(device):
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"""Call after device was updated."""
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self.async_write_ha_state()
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self.device.register_device_updated_cb(after_update_callback)
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async def async_added_to_hass(self):
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"""Store register state change callback."""
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self.async_register_callbacks()
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async def async_update(self):
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"""Update the state from KNX."""
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await self.device.sync()
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@property
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def name(self):
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"""Return the name of the KNX device."""
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return self.device.name
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@property
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def available(self):
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"""Return True if entity is available."""
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return self.hass.data[DATA_KNX].connected
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@property
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def should_poll(self):
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"""No polling needed within KNX."""
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return False
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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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return self.device.ha_device_class()
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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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return None
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