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binary_sensor.py
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binary_sensor.py
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"""Binary sensor platform for Trafikverket Camera integration."""
from __future__ import annotations
from collections.abc import Callable
from dataclasses import dataclass
from homeassistant.components.binary_sensor import (
BinarySensorEntity,
BinarySensorEntityDescription,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from .const import DOMAIN
from .coordinator import CameraData, TVDataUpdateCoordinator
from .entity import TrafikverketCameraNonCameraEntity
PARALLEL_UPDATES = 0
@dataclass
class DeviceBaseEntityDescriptionMixin:
"""Mixin for required Trafikverket Camera base description keys."""
value_fn: Callable[[CameraData], bool | None]
@dataclass
class TVCameraSensorEntityDescription(
BinarySensorEntityDescription, DeviceBaseEntityDescriptionMixin
):
"""Describes Trafikverket Camera binary sensor entity."""
BINARY_SENSOR_TYPE = TVCameraSensorEntityDescription(
key="active",
translation_key="active",
icon="mdi:camera-outline",
value_fn=lambda data: data.data.active,
)
async def async_setup_entry(
hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
) -> None:
"""Set up Trafikverket Camera binary sensor platform."""
coordinator: TVDataUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
async_add_entities(
[
TrafikverketCameraBinarySensor(
coordinator, entry.entry_id, BINARY_SENSOR_TYPE
)
]
)
class TrafikverketCameraBinarySensor(
TrafikverketCameraNonCameraEntity, BinarySensorEntity
):
"""Representation of a Trafikverket Camera binary sensor."""
entity_description: TVCameraSensorEntityDescription
@callback
def _update_attr(self) -> None:
"""Update _attr."""
self._attr_is_on = self.entity_description.value_fn(self.coordinator.data)