aioesphomeapi/aioesphomeapi/client.py

1320 lines
46 KiB
Python

from __future__ import annotations
import asyncio
import logging
from collections.abc import Awaitable, Coroutine
from functools import partial
from typing import TYPE_CHECKING, Any, Callable, Union, cast
from google.protobuf import message
from .api_pb2 import ( # type: ignore
AlarmControlPanelCommandRequest,
BluetoothConnectionsFreeResponse,
BluetoothDeviceClearCacheResponse,
BluetoothDeviceConnectionResponse,
BluetoothDevicePairingResponse,
BluetoothDeviceRequest,
BluetoothDeviceUnpairingResponse,
BluetoothGATTErrorResponse,
BluetoothGATTGetServicesDoneResponse,
BluetoothGATTGetServicesRequest,
BluetoothGATTGetServicesResponse,
BluetoothGATTNotifyDataResponse,
BluetoothGATTNotifyRequest,
BluetoothGATTNotifyResponse,
BluetoothGATTReadDescriptorRequest,
BluetoothGATTReadRequest,
BluetoothGATTReadResponse,
BluetoothGATTWriteDescriptorRequest,
BluetoothGATTWriteRequest,
BluetoothGATTWriteResponse,
BluetoothLEAdvertisementResponse,
BluetoothLERawAdvertisement,
BluetoothLERawAdvertisementsResponse,
ButtonCommandRequest,
CameraImageRequest,
CameraImageResponse,
ClimateCommandRequest,
CoverCommandRequest,
DeviceInfoRequest,
DeviceInfoResponse,
ExecuteServiceArgument,
ExecuteServiceRequest,
FanCommandRequest,
HomeassistantServiceResponse,
HomeAssistantStateResponse,
LightCommandRequest,
ListEntitiesDoneResponse,
ListEntitiesRequest,
ListEntitiesServicesResponse,
LockCommandRequest,
MediaPlayerCommandRequest,
NumberCommandRequest,
SelectCommandRequest,
SirenCommandRequest,
SubscribeBluetoothConnectionsFreeRequest,
SubscribeBluetoothLEAdvertisementsRequest,
SubscribeHomeassistantServicesRequest,
SubscribeHomeAssistantStateResponse,
SubscribeHomeAssistantStatesRequest,
SubscribeLogsRequest,
SubscribeLogsResponse,
SubscribeStatesRequest,
SubscribeVoiceAssistantRequest,
SwitchCommandRequest,
TextCommandRequest,
UnsubscribeBluetoothLEAdvertisementsRequest,
VoiceAssistantEventData,
VoiceAssistantEventResponse,
VoiceAssistantRequest,
VoiceAssistantResponse,
)
from .client_callbacks import (
on_ble_raw_advertisement_response,
on_bluetooth_connections_free_response,
on_bluetooth_device_connection_response,
on_bluetooth_gatt_notify_data_response,
on_bluetooth_le_advertising_response,
on_home_assistant_service_response,
on_state_msg,
on_subscribe_home_assistant_state_response,
)
from .connection import APIConnection, ConnectionParams, handle_timeout
from .core import (
APIConnectionError,
BluetoothConnectionDroppedError,
BluetoothGATTAPIError,
TimeoutAPIError,
to_human_readable_address,
to_human_readable_gatt_error,
)
from .model import (
AlarmControlPanelCommand,
APIVersion,
BluetoothDeviceClearCache,
BluetoothDevicePairing,
BluetoothDeviceRequestType,
BluetoothDeviceUnpairing,
BluetoothGATTError,
BluetoothGATTServices,
BluetoothLEAdvertisement,
BluetoothProxyFeature,
BluetoothProxySubscriptionFlag,
ClimateFanMode,
ClimateMode,
ClimatePreset,
ClimateSwingMode,
DeviceInfo,
EntityInfo,
EntityState,
ESPHomeBluetoothGATTServices,
FanDirection,
FanSpeed,
HomeassistantServiceCall,
LegacyCoverCommand,
LockCommand,
LogLevel,
MediaPlayerCommand,
UserService,
UserServiceArgType,
)
from .model import VoiceAssistantAudioSettings as VoiceAssistantAudioSettingsModel
from .model import (
VoiceAssistantCommand,
VoiceAssistantEventType,
message_types_to_names,
)
from .model_conversions import (
LIST_ENTITIES_SERVICES_RESPONSE_TYPES,
SUBSCRIBE_STATES_RESPONSE_TYPES,
)
from .util import build_log_name
from .zeroconf import ZeroconfInstanceType, ZeroconfManager
_LOGGER = logging.getLogger(__name__)
DEFAULT_BLE_TIMEOUT = 30.0
DEFAULT_BLE_DISCONNECT_TIMEOUT = 20.0
# We send a ping every 20 seconds, and the timeout ratio is 4.5x the
# ping interval. This means that if we don't receive a ping for 90.0
# seconds, we'll consider the connection dead and reconnect.
#
# This was chosen because the 20s is around the expected time for a
# device to reboot and reconnect to wifi, and 90 seconds is the absolute
# maximum time a device can take to respond when its behind + the WiFi
# connection is poor.
KEEP_ALIVE_FREQUENCY = 20.0
SUBSCRIBE_STATES_MSG_TYPES = (*SUBSCRIBE_STATES_RESPONSE_TYPES, CameraImageResponse)
LIST_ENTITIES_MSG_TYPES = (
ListEntitiesDoneResponse,
*LIST_ENTITIES_SERVICES_RESPONSE_TYPES,
)
ExecuteServiceDataType = dict[
str, Union[bool, int, float, str, list[bool], list[int], list[float], list[str]]
]
def _stringify_or_none(value: str | None) -> str | None:
"""Convert a string like object to a str or None.
The noise_psk is sometimes passed into
the client as an Estr, but we want to pass it
to the API as a string or None.
"""
return None if value is None else str(value)
# pylint: disable=too-many-public-methods
class APIClient:
"""The ESPHome API client.
This class is the main entrypoint for interacting with the API.
It is recommended to use this class in combination with the
ReconnectLogic class to automatically reconnect to the device
if the connection is lost.
"""
__slots__ = (
"_debug_enabled",
"_params",
"_connection",
"cached_name",
"_background_tasks",
"_loop",
"_on_stop_task",
"log_name",
)
def __init__(
self,
address: str,
port: int,
password: str | None,
*,
client_info: str = "aioesphomeapi",
keepalive: float = KEEP_ALIVE_FREQUENCY,
zeroconf_instance: ZeroconfInstanceType | None = None,
noise_psk: str | None = None,
expected_name: str | None = None,
) -> None:
"""Create a client, this object is shared across sessions.
:param address: The address to connect to; for example an IP address
or .local name for mDNS lookup.
:param port: The port to connect to
:param password: Optional password to send to the device for authentication
:param client_info: User Agent string to send.
:param keepalive: The keepalive time in seconds (ping interval) for detecting stale connections.
Every keepalive seconds a ping is sent, if no pong is received the connection is closed.
:param zeroconf_instance: Pass a zeroconf instance to use if an mDNS lookup is necessary.
:param noise_psk: Encryption preshared key for noise transport encrypted sessions.
:param expected_name: Require the devices name to match the given expected name.
Can be used to prevent accidentally connecting to a different device if
IP passed as address but DHCP reassigned IP.
"""
self._debug_enabled = _LOGGER.isEnabledFor(logging.DEBUG)
self._params = ConnectionParams(
address=str(address),
port=port,
password=password,
client_info=client_info,
keepalive=keepalive,
zeroconf_manager=ZeroconfManager(zeroconf_instance),
# treat empty '' psk string as missing (like password)
noise_psk=_stringify_or_none(noise_psk) or None,
expected_name=_stringify_or_none(expected_name) or None,
)
self._connection: APIConnection | None = None
self.cached_name: str | None = None
self._background_tasks: set[asyncio.Task[Any]] = set()
self._loop = asyncio.get_event_loop()
self._on_stop_task: asyncio.Task[None] | None = None
self._set_log_name()
def set_debug(self, enabled: bool) -> None:
"""Enable debug logging."""
self._debug_enabled = enabled
if self._connection:
self._connection.set_debug(enabled)
@property
def zeroconf_manager(self) -> ZeroconfManager:
return self._params.zeroconf_manager
@property
def expected_name(self) -> str | None:
return self._params.expected_name
@expected_name.setter
def expected_name(self, value: str | None) -> None:
self._params.expected_name = value
@property
def address(self) -> str:
return self._params.address
def _set_log_name(self) -> None:
"""Set the log name of the device."""
resolved_address: str | None = None
if self._connection and self._connection.resolved_addr_info:
resolved_address = self._connection.resolved_addr_info.sockaddr.address
self.log_name = build_log_name(
self.cached_name,
self.address,
resolved_address,
)
if self._connection:
self._connection.set_log_name(self.log_name)
def set_cached_name_if_unset(self, name: str) -> None:
"""Set the cached name of the device if not set."""
if not self.cached_name:
self.cached_name = name
self._set_log_name()
async def connect(
self,
on_stop: Callable[[bool], Coroutine[Any, Any, None]] | None = None,
login: bool = False,
) -> None:
"""Connect to the device."""
await self.start_connection(on_stop)
await self.finish_connection(login)
def _on_stop(
self,
on_stop: Callable[[bool], Coroutine[Any, Any, None]] | None,
expected_disconnect: bool,
) -> None:
# Hook into on_stop handler to clear connection when stopped
self._connection = None
if on_stop:
self._on_stop_task = asyncio.create_task(
on_stop(expected_disconnect),
name=f"{self.log_name} aioesphomeapi on_stop",
)
self._on_stop_task.add_done_callback(self._remove_on_stop_task)
def _remove_on_stop_task(self, _fut: asyncio.Future[None]) -> None:
"""Remove the stop task.
We need to do this because the asyncio does not hold
a strong reference to the task, so it can be garbage
collected unexpectedly.
"""
self._on_stop_task = None
async def start_connection(
self,
on_stop: Callable[[bool], Awaitable[None]] | None = None,
) -> None:
"""Start connecting to the device."""
if self._connection is not None:
raise APIConnectionError(f"Already connected to {self.log_name}!")
self._connection = APIConnection(
self._params,
partial(self._on_stop, on_stop),
self._debug_enabled,
self.log_name,
)
try:
await self._connection.start_connection()
except Exception:
self._connection = None
raise
# If we resolved the address, we should set the log name now
if self._connection.resolved_addr_info:
self._set_log_name()
async def finish_connection(
self,
login: bool = False,
) -> None:
"""Finish connecting to the device."""
if TYPE_CHECKING:
assert self._connection is not None
try:
await self._connection.finish_connection(login=login)
except Exception:
self._connection = None
raise
if received_name := self._connection.received_name:
self._set_name_from_device(received_name)
async def disconnect(self, force: bool = False) -> None:
if self._connection is None:
return
if force:
self._connection.force_disconnect()
else:
await self._connection.disconnect()
def _get_connection(self) -> APIConnection:
connection = self._connection
if not connection:
raise APIConnectionError(f"Not connected to {self.log_name}!")
if not connection.is_connected:
raise APIConnectionError(
f"Authenticated connection not ready yet for {self.log_name}; "
f"current state is {connection.connection_state}!"
)
return connection
async def device_info(self) -> DeviceInfo:
resp = await self._get_connection().send_message_await_response(
DeviceInfoRequest(), DeviceInfoResponse
)
info = DeviceInfo.from_pb(resp)
self._set_name_from_device(info.name)
return info
def _set_name_from_device(self, name: str) -> None:
"""Set the name from a DeviceInfo message."""
self.cached_name = name
self._set_log_name()
async def list_entities_services(
self,
) -> tuple[list[EntityInfo], list[UserService]]:
response_types = LIST_ENTITIES_SERVICES_RESPONSE_TYPES
msg_types = LIST_ENTITIES_MSG_TYPES
def do_append(msg: message.Message) -> bool:
return not isinstance(msg, ListEntitiesDoneResponse)
def do_stop(msg: message.Message) -> bool:
return isinstance(msg, ListEntitiesDoneResponse)
resp = await self._get_connection().send_messages_await_response_complex(
(ListEntitiesRequest(),), do_append, do_stop, msg_types, 60
)
entities: list[EntityInfo] = []
services: list[UserService] = []
for msg in resp:
if isinstance(msg, ListEntitiesServicesResponse):
services.append(UserService.from_pb(msg))
continue
cls = response_types[type(msg)]
assert cls is not None
entities.append(cls.from_pb(msg))
return entities, services
async def subscribe_states(self, on_state: Callable[[EntityState], None]) -> None:
"""Subscribe to state updates."""
self._get_connection().send_message_callback_response(
SubscribeStatesRequest(),
partial(on_state_msg, on_state, {}),
SUBSCRIBE_STATES_MSG_TYPES,
)
async def subscribe_logs(
self,
on_log: Callable[[SubscribeLogsResponse], None],
log_level: LogLevel | None = None,
dump_config: bool | None = None,
) -> None:
req = SubscribeLogsRequest()
if log_level is not None:
req.level = log_level
if dump_config is not None:
req.dump_config = dump_config
self._get_connection().send_message_callback_response(
req, on_log, (SubscribeLogsResponse,)
)
async def subscribe_service_calls(
self, on_service_call: Callable[[HomeassistantServiceCall], None]
) -> None:
self._get_connection().send_message_callback_response(
SubscribeHomeassistantServicesRequest(),
partial(on_home_assistant_service_response, on_service_call),
(HomeassistantServiceResponse,),
)
def _filter_bluetooth_message(
self,
address: int,
handle: int,
msg: message.Message,
) -> bool:
"""Handle a Bluetooth message."""
if TYPE_CHECKING:
assert isinstance(
msg,
(
BluetoothGATTErrorResponse,
BluetoothGATTNotifyResponse,
BluetoothGATTReadResponse,
BluetoothGATTWriteResponse,
),
)
return bool(msg.address == address and msg.handle == handle)
async def _send_bluetooth_message_await_response(
self,
address: int,
handle: int,
request: message.Message,
response_type: (
type[BluetoothGATTNotifyResponse]
| type[BluetoothGATTReadResponse]
| type[BluetoothGATTWriteResponse]
),
timeout: float = 10.0,
) -> message.Message:
message_filter = partial(self._filter_bluetooth_message, address, handle)
[resp] = await self._get_connection().send_messages_await_response_complex(
(request,),
message_filter,
message_filter,
(response_type, BluetoothGATTErrorResponse),
timeout,
)
if (
type(resp) # pylint: disable=unidiomatic-typecheck
is BluetoothGATTErrorResponse
):
raise BluetoothGATTAPIError(BluetoothGATTError.from_pb(resp))
return resp
def _unsub_bluetooth_advertisements(
self, unsub_callback: Callable[[], None]
) -> None:
"""Unsubscribe Bluetooth advertisements if connected."""
if self._connection is not None:
unsub_callback()
self._connection.send_message(UnsubscribeBluetoothLEAdvertisementsRequest())
async def subscribe_bluetooth_le_advertisements(
self, on_bluetooth_le_advertisement: Callable[[BluetoothLEAdvertisement], None]
) -> Callable[[], None]:
unsub_callback = self._get_connection().send_message_callback_response(
SubscribeBluetoothLEAdvertisementsRequest(flags=0),
partial(
on_bluetooth_le_advertising_response,
on_bluetooth_le_advertisement,
),
(BluetoothLEAdvertisementResponse,),
)
return partial(self._unsub_bluetooth_advertisements, unsub_callback)
async def subscribe_bluetooth_le_raw_advertisements(
self, on_advertisements: Callable[[list[BluetoothLERawAdvertisement]], None]
) -> Callable[[], None]:
unsub_callback = self._get_connection().send_message_callback_response(
SubscribeBluetoothLEAdvertisementsRequest(
flags=BluetoothProxySubscriptionFlag.RAW_ADVERTISEMENTS
),
partial(on_ble_raw_advertisement_response, on_advertisements),
(BluetoothLERawAdvertisementsResponse,),
)
return partial(self._unsub_bluetooth_advertisements, unsub_callback)
async def subscribe_bluetooth_connections_free(
self, on_bluetooth_connections_free_update: Callable[[int, int], None]
) -> Callable[[], None]:
return self._get_connection().send_message_callback_response(
SubscribeBluetoothConnectionsFreeRequest(),
partial(
on_bluetooth_connections_free_response,
on_bluetooth_connections_free_update,
),
(BluetoothConnectionsFreeResponse,),
)
async def bluetooth_device_connect( # pylint: disable=too-many-locals, too-many-branches
self,
address: int,
on_bluetooth_connection_state: Callable[[bool, int, int], None],
timeout: float = DEFAULT_BLE_TIMEOUT,
disconnect_timeout: float = DEFAULT_BLE_DISCONNECT_TIMEOUT,
feature_flags: int = 0,
has_cache: bool = False,
address_type: int | None = None,
) -> Callable[[], None]:
connect_future: asyncio.Future[None] = self._loop.create_future()
if has_cache:
# REMOTE_CACHING feature with cache: requestor has services and mtu cached
request_type = BluetoothDeviceRequestType.CONNECT_V3_WITH_CACHE
elif feature_flags & BluetoothProxyFeature.REMOTE_CACHING:
# REMOTE_CACHING feature without cache: esp will wipe the service list after sending to save memory
request_type = BluetoothDeviceRequestType.CONNECT_V3_WITHOUT_CACHE
else:
# Device does not support REMOTE_CACHING feature: esp will hold the service list in memory for the duration
# of the connection. This can crash the esp if the service list is too large.
request_type = BluetoothDeviceRequestType.CONNECT
if self._debug_enabled:
_LOGGER.debug("%s: Using connection version %s", address, request_type)
unsub = self._get_connection().send_message_callback_response(
BluetoothDeviceRequest(
address=address,
request_type=request_type,
has_address_type=address_type is not None,
address_type=address_type or 0,
),
partial(
on_bluetooth_device_connection_response,
connect_future,
address,
on_bluetooth_connection_state,
),
(BluetoothDeviceConnectionResponse,),
)
loop = self._loop
timeout_handle = loop.call_at(
loop.time() + timeout, handle_timeout, connect_future
)
timeout_expired = False
connect_ok = False
try:
await connect_future
connect_ok = True
except asyncio.TimeoutError as err:
# If the timeout expires, make sure
# to unsub before calling _bluetooth_device_disconnect_guard_timeout
# so that the disconnect message is not propagated back to the caller
# since we are going to raise a TimeoutAPIError.
unsub()
timeout_expired = True
# Disconnect before raising the exception to ensure
# the slot is recovered before the timeout is raised
# to avoid race were we run out even though we have a slot.
addr = to_human_readable_address(address)
if self._debug_enabled:
_LOGGER.debug("%s: Connecting timed out, waiting for disconnect", addr)
disconnect_timed_out = (
not await self._bluetooth_device_disconnect_guard_timeout(
address, disconnect_timeout
)
)
raise TimeoutAPIError(
f"Timeout waiting for connect response while connecting to {addr} "
f"after {timeout}s, disconnect timed out: {disconnect_timed_out}, "
f" after {disconnect_timeout}s"
) from err
finally:
if not connect_ok and not timeout_expired:
unsub()
if not timeout_expired:
timeout_handle.cancel()
return unsub
async def _bluetooth_device_disconnect_guard_timeout(
self, address: int, timeout: float
) -> bool:
"""Disconnect from a Bluetooth device and guard against timeout.
Return true if the disconnect was successful, false if it timed out.
"""
try:
await self.bluetooth_device_disconnect(address, timeout=timeout)
except TimeoutAPIError:
if self._debug_enabled:
_LOGGER.debug(
"%s: Disconnect timed out: %s",
to_human_readable_address(address),
timeout,
)
return False
return True
async def bluetooth_device_pair(
self, address: int, timeout: float = DEFAULT_BLE_TIMEOUT
) -> BluetoothDevicePairing:
return BluetoothDevicePairing.from_pb(
await self._bluetooth_device_request_watch_connection(
address,
BluetoothDeviceRequestType.PAIR,
(BluetoothDevicePairingResponse,),
timeout,
)
)
async def bluetooth_device_unpair(
self, address: int, timeout: float = DEFAULT_BLE_TIMEOUT
) -> BluetoothDeviceUnpairing:
return BluetoothDeviceUnpairing.from_pb(
await self._bluetooth_device_request_watch_connection(
address,
BluetoothDeviceRequestType.UNPAIR,
(BluetoothDeviceUnpairingResponse,),
timeout,
)
)
async def bluetooth_device_clear_cache(
self, address: int, timeout: float = DEFAULT_BLE_TIMEOUT
) -> BluetoothDeviceClearCache:
return BluetoothDeviceClearCache.from_pb(
await self._bluetooth_device_request_watch_connection(
address,
BluetoothDeviceRequestType.CLEAR_CACHE,
(BluetoothDeviceClearCacheResponse,),
timeout,
)
)
async def bluetooth_device_disconnect(
self, address: int, timeout: float = DEFAULT_BLE_DISCONNECT_TIMEOUT
) -> None:
"""Disconnect from a Bluetooth device."""
await self._bluetooth_device_request(
address,
BluetoothDeviceRequestType.DISCONNECT,
lambda msg: msg.address == address and not msg.connected,
(BluetoothDeviceConnectionResponse,),
timeout,
)
async def _bluetooth_device_request_watch_connection(
self,
address: int,
request_type: BluetoothDeviceRequestType,
msg_types: tuple[type[message.Message], ...],
timeout: float,
) -> message.Message:
"""Send a BluetoothDeviceRequest watch for the connection state to change."""
response = await self._bluetooth_device_request(
address,
request_type,
lambda msg: msg.address == address,
(BluetoothDeviceConnectionResponse, *msg_types),
timeout,
)
if (
type(response) # pylint: disable=unidiomatic-typecheck
is BluetoothDeviceConnectionResponse
):
self._raise_for_ble_connection_change(address, response, msg_types)
return response
def _raise_for_ble_connection_change(
self,
address: int,
response: BluetoothDeviceConnectionResponse,
msg_types: tuple[type[message.Message], ...],
) -> None:
"""Raise an exception if the connection status changed."""
response_names = message_types_to_names(msg_types)
human_readable_address = to_human_readable_address(address)
raise BluetoothConnectionDroppedError(
f"Peripheral {human_readable_address} changed connection status while waiting for "
f"{response_names}: {to_human_readable_gatt_error(response.error)} "
f"({response.error})"
)
async def _bluetooth_device_request(
self,
address: int,
request_type: BluetoothDeviceRequestType,
predicate_func: Callable[[BluetoothDeviceConnectionResponse], bool],
msg_types: tuple[type[message.Message], ...],
timeout: float,
) -> message.Message:
"""Send a BluetoothDeviceRequest and wait for a response."""
[response] = await self._get_connection().send_messages_await_response_complex(
(
BluetoothDeviceRequest(
address=address,
request_type=request_type,
),
),
predicate_func,
predicate_func,
msg_types,
timeout,
)
return response
async def bluetooth_gatt_get_services(
self, address: int
) -> ESPHomeBluetoothGATTServices:
append_types = (BluetoothGATTGetServicesResponse, BluetoothGATTErrorResponse)
stop_types = (BluetoothGATTGetServicesDoneResponse, BluetoothGATTErrorResponse)
def do_append(msg: message.Message) -> bool:
return isinstance(msg, append_types) and msg.address == address
def do_stop(msg: message.Message) -> bool:
return isinstance(msg, stop_types) and msg.address == address
resp = await self._get_connection().send_messages_await_response_complex(
(BluetoothGATTGetServicesRequest(address=address),),
do_append,
do_stop,
(
BluetoothGATTGetServicesResponse,
BluetoothGATTGetServicesDoneResponse,
BluetoothGATTErrorResponse,
),
DEFAULT_BLE_TIMEOUT,
)
services = []
for msg in resp:
if isinstance(msg, BluetoothGATTErrorResponse):
raise BluetoothGATTAPIError(BluetoothGATTError.from_pb(msg))
services.extend(BluetoothGATTServices.from_pb(msg).services)
return ESPHomeBluetoothGATTServices(address=address, services=services) # type: ignore[call-arg]
async def bluetooth_gatt_read(
self,
address: int,
handle: int,
timeout: float = DEFAULT_BLE_TIMEOUT,
) -> bytearray:
return await self._bluetooth_gatt_read(
BluetoothGATTReadRequest(),
address,
handle,
timeout,
)
async def bluetooth_gatt_write(
self,
address: int,
handle: int,
data: bytes,
response: bool,
timeout: float = DEFAULT_BLE_TIMEOUT,
) -> None:
req = BluetoothGATTWriteRequest(
address=address, handle=handle, response=response, data=data
)
if not response:
self._get_connection().send_message(req)
return
await self._send_bluetooth_message_await_response(
address,
handle,
req,
BluetoothGATTWriteResponse,
timeout=timeout,
)
async def bluetooth_gatt_read_descriptor(
self,
address: int,
handle: int,
timeout: float = DEFAULT_BLE_TIMEOUT,
) -> bytearray:
"""Read a GATT descriptor."""
return await self._bluetooth_gatt_read(
BluetoothGATTReadDescriptorRequest(),
address,
handle,
timeout,
)
async def _bluetooth_gatt_read(
self,
req: BluetoothGATTReadDescriptorRequest | BluetoothGATTReadRequest,
address: int,
handle: int,
timeout: float,
) -> bytearray:
"""Perform a GATT read."""
req.address = address
req.handle = handle
resp = await self._send_bluetooth_message_await_response(
address,
handle,
req,
BluetoothGATTReadResponse,
timeout=timeout,
)
if TYPE_CHECKING:
assert isinstance(resp, BluetoothGATTReadResponse)
return bytearray(resp.data)
async def bluetooth_gatt_write_descriptor(
self,
address: int,
handle: int,
data: bytes,
timeout: float = DEFAULT_BLE_TIMEOUT,
wait_for_response: bool = True,
) -> None:
req = BluetoothGATTWriteDescriptorRequest(
address=address, handle=handle, data=data
)
if not wait_for_response:
self._get_connection().send_message(req)
return
await self._send_bluetooth_message_await_response(
address,
handle,
req,
BluetoothGATTWriteResponse,
timeout=timeout,
)
async def bluetooth_gatt_start_notify(
self,
address: int,
handle: int,
on_bluetooth_gatt_notify: Callable[[int, bytearray], None],
) -> tuple[Callable[[], Coroutine[Any, Any, None]], Callable[[], None]]:
"""Start a notify session for a GATT characteristic.
Returns two functions that can be used to stop the notify.
The first function is a coroutine that can be awaited to stop the notify.
The second function is a callback that can be called to remove the notify
callbacks without stopping the notify session on the remote device, which
should be used when the connection is lost.
"""
remove_callback = self._get_connection().add_message_callback(
partial(
on_bluetooth_gatt_notify_data_response,
address,
handle,
on_bluetooth_gatt_notify,
),
(BluetoothGATTNotifyDataResponse,),
)
try:
await self._send_bluetooth_message_await_response(
address,
handle,
BluetoothGATTNotifyRequest(address=address, handle=handle, enable=True),
BluetoothGATTNotifyResponse,
)
except Exception:
remove_callback()
raise
async def stop_notify() -> None:
if self._connection is None:
return
remove_callback()
self._connection.send_message(
BluetoothGATTNotifyRequest(address=address, handle=handle, enable=False)
)
return stop_notify, remove_callback
async def subscribe_home_assistant_states(
self, on_state_sub: Callable[[str, str | None], None]
) -> None:
self._get_connection().send_message_callback_response(
SubscribeHomeAssistantStatesRequest(),
partial(on_subscribe_home_assistant_state_response, on_state_sub),
(SubscribeHomeAssistantStateResponse,),
)
async def send_home_assistant_state(
self, entity_id: str, attribute: str | None, state: str
) -> None:
self._get_connection().send_message(
HomeAssistantStateResponse(
entity_id=entity_id,
state=state,
attribute=attribute,
)
)
async def cover_command(
self,
key: int,
position: float | None = None,
tilt: float | None = None,
stop: bool = False,
) -> None:
req = CoverCommandRequest(key=key)
apiv = cast(APIVersion, self.api_version)
if apiv >= APIVersion(1, 1):
if position is not None:
req.has_position = True
req.position = position
if tilt is not None:
req.has_tilt = True
req.tilt = tilt
if stop:
req.stop = stop
else:
if stop:
req.legacy_command = LegacyCoverCommand.STOP
req.has_legacy_command = True
elif position == 1.0:
req.legacy_command = LegacyCoverCommand.OPEN
req.has_legacy_command = True
elif position == 0.0:
req.legacy_command = LegacyCoverCommand.CLOSE
req.has_legacy_command = True
self._get_connection().send_message(req)
async def fan_command(
self,
key: int,
state: bool | None = None,
speed: FanSpeed | None = None,
speed_level: int | None = None,
oscillating: bool | None = None,
direction: FanDirection | None = None,
) -> None:
req = FanCommandRequest(key=key)
if state is not None:
req.has_state = True
req.state = state
if speed is not None:
req.has_speed = True
req.speed = speed
if speed_level is not None:
req.has_speed_level = True
req.speed_level = speed_level
if oscillating is not None:
req.has_oscillating = True
req.oscillating = oscillating
if direction is not None:
req.has_direction = True
req.direction = direction
self._get_connection().send_message(req)
async def light_command( # pylint: disable=too-many-branches
self,
key: int,
state: bool | None = None,
brightness: float | None = None,
color_mode: int | None = None,
color_brightness: float | None = None,
rgb: tuple[float, float, float] | None = None,
white: float | None = None,
color_temperature: float | None = None,
cold_white: float | None = None,
warm_white: float | None = None,
transition_length: float | None = None,
flash_length: float | None = None,
effect: str | None = None,
) -> None:
req = LightCommandRequest(key=key)
if state is not None:
req.has_state = True
req.state = state
if brightness is not None:
req.has_brightness = True
req.brightness = brightness
if color_mode is not None:
req.has_color_mode = True
req.color_mode = color_mode
if color_brightness is not None:
req.has_color_brightness = True
req.color_brightness = color_brightness
if rgb is not None:
req.has_rgb = True
req.red = rgb[0]
req.green = rgb[1]
req.blue = rgb[2]
if white is not None:
req.has_white = True
req.white = white
if color_temperature is not None:
req.has_color_temperature = True
req.color_temperature = color_temperature
if cold_white is not None:
req.has_cold_white = True
req.cold_white = cold_white
if warm_white is not None:
req.has_warm_white = True
req.warm_white = warm_white
if transition_length is not None:
req.has_transition_length = True
req.transition_length = int(round(transition_length * 1000))
if flash_length is not None:
req.has_flash_length = True
req.flash_length = int(round(flash_length * 1000))
if effect is not None:
req.has_effect = True
req.effect = effect
self._get_connection().send_message(req)
async def switch_command(self, key: int, state: bool) -> None:
self._get_connection().send_message(SwitchCommandRequest(key=key, state=state))
async def climate_command(
self,
key: int,
mode: ClimateMode | None = None,
target_temperature: float | None = None,
target_temperature_low: float | None = None,
target_temperature_high: float | None = None,
fan_mode: ClimateFanMode | None = None,
swing_mode: ClimateSwingMode | None = None,
custom_fan_mode: str | None = None,
preset: ClimatePreset | None = None,
custom_preset: str | None = None,
) -> None:
req = ClimateCommandRequest(key=key)
if mode is not None:
req.has_mode = True
req.mode = mode
if target_temperature is not None:
req.has_target_temperature = True
req.target_temperature = target_temperature
if target_temperature_low is not None:
req.has_target_temperature_low = True
req.target_temperature_low = target_temperature_low
if target_temperature_high is not None:
req.has_target_temperature_high = True
req.target_temperature_high = target_temperature_high
if fan_mode is not None:
req.has_fan_mode = True
req.fan_mode = fan_mode
if swing_mode is not None:
req.has_swing_mode = True
req.swing_mode = swing_mode
if custom_fan_mode is not None:
req.has_custom_fan_mode = True
req.custom_fan_mode = custom_fan_mode
if preset is not None:
apiv = cast(APIVersion, self.api_version)
if apiv < APIVersion(1, 5):
req.has_legacy_away = True
req.legacy_away = preset == ClimatePreset.AWAY
else:
req.has_preset = True
req.preset = preset
if custom_preset is not None:
req.has_custom_preset = True
req.custom_preset = custom_preset
self._get_connection().send_message(req)
async def number_command(self, key: int, state: float) -> None:
self._get_connection().send_message(NumberCommandRequest(key=key, state=state))
async def select_command(self, key: int, state: str) -> None:
self._get_connection().send_message(SelectCommandRequest(key=key, state=state))
async def siren_command(
self,
key: int,
state: bool | None = None,
tone: str | None = None,
volume: float | None = None,
duration: int | None = None,
) -> None:
req = SirenCommandRequest(key=key)
if state is not None:
req.state = state
req.has_state = True
if tone is not None:
req.tone = tone
req.has_tone = True
if volume is not None:
req.volume = volume
req.has_volume = True
if duration is not None:
req.duration = duration
req.has_duration = True
self._get_connection().send_message(req)
async def button_command(self, key: int) -> None:
self._get_connection().send_message(ButtonCommandRequest(key=key))
async def lock_command(
self,
key: int,
command: LockCommand,
code: str | None = None,
) -> None:
req = LockCommandRequest(key=key, command=command)
if code is not None:
req.code = code
self._get_connection().send_message(req)
async def media_player_command(
self,
key: int,
*,
command: MediaPlayerCommand | None = None,
volume: float | None = None,
media_url: str | None = None,
) -> None:
req = MediaPlayerCommandRequest(key=key)
if command is not None:
req.command = command
req.has_command = True
if volume is not None:
req.volume = volume
req.has_volume = True
if media_url is not None:
req.media_url = media_url
req.has_media_url = True
self._get_connection().send_message(req)
async def text_command(self, key: int, state: str) -> None:
self._get_connection().send_message(TextCommandRequest(key=key, state=state))
async def execute_service(
self, service: UserService, data: ExecuteServiceDataType
) -> None:
req = ExecuteServiceRequest(key=service.key)
args = []
for arg_desc in service.args:
arg = ExecuteServiceArgument()
val = data[arg_desc.name]
apiv = cast(APIVersion, self.api_version)
int_type = "int_" if apiv >= APIVersion(1, 3) else "legacy_int"
map_single = {
UserServiceArgType.BOOL: "bool_",
UserServiceArgType.INT: int_type,
UserServiceArgType.FLOAT: "float_",
UserServiceArgType.STRING: "string_",
}
map_array = {
UserServiceArgType.BOOL_ARRAY: "bool_array",
UserServiceArgType.INT_ARRAY: "int_array",
UserServiceArgType.FLOAT_ARRAY: "float_array",
UserServiceArgType.STRING_ARRAY: "string_array",
}
if arg_desc.type in map_array:
attr = getattr(arg, map_array[arg_desc.type])
attr.extend(val)
else:
assert arg_desc.type in map_single
setattr(arg, map_single[arg_desc.type], val)
args.append(arg)
# pylint: disable=no-member
req.args.extend(args)
self._get_connection().send_message(req)
async def _request_image(
self, *, single: bool = False, stream: bool = False
) -> None:
self._get_connection().send_message(
CameraImageRequest(single=single, stream=stream)
)
async def request_single_image(self) -> None:
await self._request_image(single=True)
async def request_image_stream(self) -> None:
await self._request_image(stream=True)
@property
def api_version(self) -> APIVersion | None:
if self._connection is None:
return None
return self._connection.api_version
async def subscribe_voice_assistant(
self,
handle_start: Callable[
[str, int, VoiceAssistantAudioSettingsModel],
Coroutine[Any, Any, int | None],
],
handle_stop: Callable[[], Coroutine[Any, Any, None]],
) -> Callable[[], None]:
"""Subscribes to voice assistant messages from the device.
handle_start: called when the devices requests a server to send audio data to.
This callback is asynchronous and returns the port number the server is started on.
handle_stop: called when the device has stopped sending audio data and the pipeline should be closed.
Returns a callback to unsubscribe.
"""
connection = self._get_connection()
start_task: asyncio.Task[int | None] | None = None
def _started(fut: asyncio.Task[int | None]) -> None:
if self._connection is not None and not fut.cancelled():
port = fut.result()
if port is not None:
self._connection.send_message(VoiceAssistantResponse(port=port))
else:
_LOGGER.error("Server could not be started")
self._connection.send_message(VoiceAssistantResponse(error=True))
def _on_voice_assistant_request(msg: VoiceAssistantRequest) -> None:
nonlocal start_task
command = VoiceAssistantCommand.from_pb(msg)
if command.start:
start_task = asyncio.create_task(
handle_start(
command.conversation_id, command.flags, command.audio_settings
)
)
start_task.add_done_callback(_started)
# We hold a reference to the start_task in unsub function
# so we don't need to add it to the background tasks.
else:
stop_task = asyncio.create_task(handle_stop())
self._background_tasks.add(stop_task)
stop_task.add_done_callback(self._background_tasks.discard)
connection.send_message(SubscribeVoiceAssistantRequest(subscribe=True))
remove_callback = connection.add_message_callback(
_on_voice_assistant_request, (VoiceAssistantRequest,)
)
def unsub() -> None:
nonlocal start_task
if self._connection is not None:
remove_callback()
self._connection.send_message(
SubscribeVoiceAssistantRequest(subscribe=False)
)
if start_task is not None and not start_task.cancelled():
start_task.cancel("Unsubscribing from voice assistant")
return unsub
def send_voice_assistant_event(
self, event_type: VoiceAssistantEventType, data: dict[str, str] | None
) -> None:
req = VoiceAssistantEventResponse(event_type=event_type)
if data is not None:
# pylint: disable=no-member
req.data.extend(
[
VoiceAssistantEventData(name=name, value=value)
for name, value in data.items()
]
)
self._get_connection().send_message(req)
async def alarm_control_panel_command(
self,
key: int,
command: AlarmControlPanelCommand,
code: str | None = None,
) -> None:
req = AlarmControlPanelCommandRequest(key=key, command=command)
if code is not None:
req.code = code
self._get_connection().send_message(req)