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"""WiFi provisioning via BLE for Shelly devices."""
from __future__ import annotations
from contextlib import asynccontextmanager
from typing import TYPE_CHECKING, Any, cast
from ..common import ConnectionOptions
from ..rpc_device import RpcDevice
if TYPE_CHECKING:
from collections.abc import AsyncIterator
from bleak.backends.device import BLEDevice
@asynccontextmanager
async def ble_rpc_device(ble_device: BLEDevice) -> AsyncIterator[RpcDevice]:
"""Create and manage BLE RPC device connection.
Args:
ble_device: BLE device to connect to
Yields:
Initialized RPC device
Raises:
DeviceConnectionError: If connection to device fails
"""
options = ConnectionOptions(ble_device=ble_device)
device = await RpcDevice.create(
aiohttp_session=None,
ws_context=None,
ip_or_options=options,
)
try:
await device.initialize()
yield device
finally:
await device.shutdown()
async def async_scan_wifi_networks(ble_device: BLEDevice) -> list[dict[str, Any]]:
"""Scan for WiFi networks via BLE.
Args:
ble_device: BLE device to connect to
Returns:
List of WiFi networks with ssid, rssi, auth fields
Raises:
DeviceConnectionError: If connection to device fails
RpcCallError: If RPC call fails
"""
async with ble_rpc_device(ble_device) as device:
# WiFi scan can take up to 20 seconds - use 30s timeout to be safe
scan_result = await device.call_rpc("WiFi.Scan", timeout=30)
return cast(list[dict[str, Any]], scan_result.get("results", []))
async def async_provision_wifi(ble_device: BLEDevice, ssid: str, password: str) -> None:
"""Provision WiFi credentials to device via BLE.
Args:
ble_device: BLE device to connect to
ssid: WiFi network SSID
password: WiFi network password
Raises:
DeviceConnectionError: If connection to device fails
RpcCallError: If RPC call fails
"""
async with ble_rpc_device(ble_device) as device:
await device.call_rpc(
"WiFi.SetConfig",
{
"config": {
"sta": {
"ssid": ssid,
"pass": password,
"enable": True,
}
}
},
)
|
