core/homeassistant/components/bthome/__init__.py

131 lines
4.5 KiB
Python

"""The BTHome Bluetooth integration."""
from __future__ import annotations
import logging
from bthome_ble import BTHomeBluetoothDeviceData, SensorUpdate
from bthome_ble.parser import EncryptionScheme
from homeassistant.components.bluetooth import (
DOMAIN as BLUETOOTH_DOMAIN,
BluetoothScanningMode,
BluetoothServiceInfoBleak,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import Platform
from homeassistant.core import HomeAssistant
from homeassistant.helpers.device_registry import DeviceRegistry, async_get
from .const import (
BTHOME_BLE_EVENT,
CONF_BINDKEY,
CONF_DISCOVERED_EVENT_CLASSES,
DOMAIN,
BTHomeBleEvent,
)
from .coordinator import BTHomePassiveBluetoothProcessorCoordinator
PLATFORMS: list[Platform] = [Platform.BINARY_SENSOR, Platform.SENSOR]
_LOGGER = logging.getLogger(__name__)
def process_service_info(
hass: HomeAssistant,
entry: ConfigEntry,
data: BTHomeBluetoothDeviceData,
service_info: BluetoothServiceInfoBleak,
device_registry: DeviceRegistry,
) -> SensorUpdate:
"""Process a BluetoothServiceInfoBleak, running side effects and returning sensor data."""
update = data.update(service_info)
coordinator: BTHomePassiveBluetoothProcessorCoordinator = hass.data[DOMAIN][
entry.entry_id
]
discovered_device_classes = coordinator.discovered_device_classes
if update.events:
address = service_info.device.address
for device_key, event in update.events.items():
sensor_device_info = update.devices[device_key.device_id]
device = device_registry.async_get_or_create(
config_entry_id=entry.entry_id,
identifiers={(BLUETOOTH_DOMAIN, address)},
manufacturer=sensor_device_info.manufacturer,
model=sensor_device_info.model,
name=sensor_device_info.name,
sw_version=sensor_device_info.sw_version,
hw_version=sensor_device_info.hw_version,
)
event_class = event.device_key.key
event_type = event.event_type
if event_class not in discovered_device_classes:
discovered_device_classes.add(event_class)
hass.config_entries.async_update_entry(
entry,
data=entry.data
| {CONF_DISCOVERED_EVENT_CLASSES: list(discovered_device_classes)},
)
hass.bus.async_fire(
BTHOME_BLE_EVENT,
dict(
BTHomeBleEvent(
device_id=device.id,
address=address,
event_class=event_class, # ie 'button'
event_type=event_type, # ie 'press'
event_properties=event.event_properties,
)
),
)
# If payload is encrypted and the bindkey is not verified then we need to reauth
if data.encryption_scheme != EncryptionScheme.NONE and not data.bindkey_verified:
entry.async_start_reauth(hass, data={"device": data})
return update
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Set up BTHome Bluetooth from a config entry."""
address = entry.unique_id
assert address is not None
kwargs = {}
if bindkey := entry.data.get(CONF_BINDKEY):
kwargs[CONF_BINDKEY] = bytes.fromhex(bindkey)
data = BTHomeBluetoothDeviceData(**kwargs)
device_registry = async_get(hass)
coordinator = hass.data.setdefault(DOMAIN, {})[
entry.entry_id
] = BTHomePassiveBluetoothProcessorCoordinator(
hass,
_LOGGER,
address=address,
mode=BluetoothScanningMode.PASSIVE,
update_method=lambda service_info: process_service_info(
hass, entry, data, service_info, device_registry
),
device_data=data,
discovered_device_classes=set(
entry.data.get(CONF_DISCOVERED_EVENT_CLASSES, [])
),
connectable=False,
)
await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
entry.async_on_unload(
coordinator.async_start()
) # only start after all platforms have had a chance to subscribe
return True
async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Unload a config entry."""
if unload_ok := await hass.config_entries.async_unload_platforms(entry, PLATFORMS):
hass.data[DOMAIN].pop(entry.entry_id)
return unload_ok