39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
"""Spook - Your homie."""
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from __future__ import annotations
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from typing import TYPE_CHECKING
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from homeassistant.components.binary_sensor import BinarySensorEntity
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from homeassistant.const import STATE_ON, STATE_UNKNOWN
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from homeassistant.core import HomeAssistant, State, callback
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from .entity import InverseEntity
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if TYPE_CHECKING:
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Initialize inverse config entry."""
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# The source is resolved by the entity itself, which stays unavailable
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# rather than failing to set up when the source is not there.
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async_add_entities([InverseBinarySensor(hass, config_entry)])
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class InverseBinarySensor(InverseEntity, BinarySensorEntity):
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"""Inverse binary sensor."""
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@callback
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def async_update_state(self, state: State) -> None:
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"""Query the source and determine the binary sensor state."""
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if state.state == STATE_UNKNOWN:
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self._attr_is_on = None
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else:
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self._attr_is_on = state.state != STATE_ON
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