95 lines
3.4 KiB
Python
95 lines
3.4 KiB
Python
"""Support for KNX/IP binary sensors."""
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from __future__ import annotations
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from typing import Any
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from xknx import XKNX
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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.const import (
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CONF_DEVICE_CLASS,
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CONF_ENTITY_CATEGORY,
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CONF_NAME,
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STATE_ON,
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STATE_UNAVAILABLE,
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STATE_UNKNOWN,
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)
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.restore_state import RestoreEntity
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from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
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from .const import ATTR_COUNTER, ATTR_SOURCE, DOMAIN
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from .knx_entity import KnxEntity
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from .schema import BinarySensorSchema
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async def async_setup_platform(
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hass: HomeAssistant,
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config: ConfigType,
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async_add_entities: AddEntitiesCallback,
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discovery_info: DiscoveryInfoType | None = None,
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) -> None:
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"""Set up binary sensor(s) for KNX platform."""
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if not discovery_info or not discovery_info["platform_config"]:
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return
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platform_config = discovery_info["platform_config"]
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xknx: XKNX = hass.data[DOMAIN].xknx
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async_add_entities(
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KNXBinarySensor(xknx, entity_config) for entity_config in platform_config
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)
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class KNXBinarySensor(KnxEntity, BinarySensorEntity, RestoreEntity):
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"""Representation of a KNX binary sensor."""
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_device: XknxBinarySensor
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def __init__(self, xknx: XKNX, config: ConfigType) -> None:
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"""Initialize of KNX binary sensor."""
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super().__init__(
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device=XknxBinarySensor(
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xknx,
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name=config[CONF_NAME],
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group_address_state=config[BinarySensorSchema.CONF_STATE_ADDRESS],
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invert=config[BinarySensorSchema.CONF_INVERT],
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sync_state=config[BinarySensorSchema.CONF_SYNC_STATE],
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ignore_internal_state=config[
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BinarySensorSchema.CONF_IGNORE_INTERNAL_STATE
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],
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context_timeout=config.get(BinarySensorSchema.CONF_CONTEXT_TIMEOUT),
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reset_after=config.get(BinarySensorSchema.CONF_RESET_AFTER),
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)
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)
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self._attr_entity_category = config.get(CONF_ENTITY_CATEGORY)
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self._attr_device_class = config.get(CONF_DEVICE_CLASS)
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self._attr_force_update = self._device.ignore_internal_state
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self._attr_unique_id = str(self._device.remote_value.group_address_state)
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async def async_added_to_hass(self) -> None:
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"""Restore last state."""
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await super().async_added_to_hass()
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if (
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last_state := await self.async_get_last_state()
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) and last_state.state not in (STATE_UNKNOWN, STATE_UNAVAILABLE):
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await self._device.remote_value.update_value(last_state.state == STATE_ON)
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@property
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def is_on(self) -> bool:
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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 extra_state_attributes(self) -> dict[str, Any] | None:
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"""Return device specific state attributes."""
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attr: dict[str, Any] = {}
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if self._device.counter is not None:
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attr[ATTR_COUNTER] = self._device.counter
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if self._device.last_telegram is not None:
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attr[ATTR_SOURCE] = str(self._device.last_telegram.source_address)
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return attr
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