hass-core/homeassistant/components/bthome/binary_sensor.py
2022-09-09 22:43:25 -04:00

93 lines
3.2 KiB
Python

"""Support for BTHome binary sensors."""
from __future__ import annotations
from typing import Optional
from bthome_ble import BTHOME_BINARY_SENSORS, SensorUpdate
from homeassistant import config_entries
from homeassistant.components.binary_sensor import (
BinarySensorDeviceClass,
BinarySensorEntity,
BinarySensorEntityDescription,
)
from homeassistant.components.bluetooth.passive_update_processor import (
PassiveBluetoothDataProcessor,
PassiveBluetoothDataUpdate,
PassiveBluetoothProcessorCoordinator,
PassiveBluetoothProcessorEntity,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from .const import DOMAIN
from .device import device_key_to_bluetooth_entity_key, sensor_device_info_to_hass
BINARY_SENSOR_DESCRIPTIONS = {}
for key in BTHOME_BINARY_SENSORS:
# Not all BTHome device classes are available in Home Assistant
DEV_CLASS: str | None = key
try:
BinarySensorDeviceClass(key)
except ValueError:
DEV_CLASS = None
BINARY_SENSOR_DESCRIPTIONS[key] = BinarySensorEntityDescription(
key=key,
device_class=DEV_CLASS,
)
def sensor_update_to_bluetooth_data_update(
sensor_update: SensorUpdate,
) -> PassiveBluetoothDataUpdate:
"""Convert a binary sensor update to a bluetooth data update."""
return PassiveBluetoothDataUpdate(
devices={
device_id: sensor_device_info_to_hass(device_info)
for device_id, device_info in sensor_update.devices.items()
},
entity_descriptions={
device_key_to_bluetooth_entity_key(device_key): BINARY_SENSOR_DESCRIPTIONS[
description.device_key.key
]
for device_key, description in sensor_update.binary_entity_descriptions.items()
},
entity_data={
device_key_to_bluetooth_entity_key(device_key): sensor_values.native_value
for device_key, sensor_values in sensor_update.binary_entity_values.items()
},
entity_names={
device_key_to_bluetooth_entity_key(device_key): sensor_values.name
for device_key, sensor_values in sensor_update.binary_entity_values.items()
},
)
async def async_setup_entry(
hass: HomeAssistant,
entry: config_entries.ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up the BTHome BLE binary sensors."""
coordinator: PassiveBluetoothProcessorCoordinator = hass.data[DOMAIN][
entry.entry_id
]
processor = PassiveBluetoothDataProcessor(sensor_update_to_bluetooth_data_update)
entry.async_on_unload(
processor.async_add_entities_listener(
BTHomeBluetoothBinarySensorEntity, async_add_entities
)
)
entry.async_on_unload(coordinator.async_register_processor(processor))
class BTHomeBluetoothBinarySensorEntity(
PassiveBluetoothProcessorEntity[PassiveBluetoothDataProcessor[Optional[bool]]],
BinarySensorEntity,
):
"""Representation of a BTHome binary sensor."""
@property
def is_on(self) -> bool | None:
"""Return the native value."""
return self.processor.entity_data.get(self.entity_key)