75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
"""Support for KNX/IP binary sensors."""
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from typing import Any, Dict, Optional
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from xknx.devices import BinarySensor as XknxBinarySensor
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from homeassistant.components.binary_sensor import BinarySensorEntity
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from homeassistant.core import callback
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from .const import ATTR_COUNTER, 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 binary sensor(s) for KNX platform."""
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entities = []
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for device in hass.data[DATA_KNX].xknx.devices:
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if isinstance(device, XknxBinarySensor):
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entities.append(KNXBinarySensor(device))
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async_add_entities(entities)
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class KNXBinarySensor(BinarySensorEntity):
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"""Representation of a KNX binary sensor."""
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def __init__(self, device: XknxBinarySensor):
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"""Initialize of KNX binary 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: XknxBinarySensor):
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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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"""Request a state update from KNX bus."""
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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 device_class(self):
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"""Return the class of this sensor."""
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return self.device.device_class
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@property
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def is_on(self):
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"""Return true if the binary sensor is on."""
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return self.device.is_on()
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@property
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def device_state_attributes(self) -> Optional[Dict[str, Any]]:
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"""Return device specific state attributes."""
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return {ATTR_COUNTER: self.device.counter}
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