core/homeassistant/components/bluetooth/usage.py

23 lines
781 B
Python

"""bluetooth usage utility to handle multiple instances."""
from __future__ import annotations
import bleak
from .models import HaBleakClientWrapper, HaBleakScannerWrapper
ORIGINAL_BLEAK_SCANNER = bleak.BleakScanner
ORIGINAL_BLEAK_CLIENT = bleak.BleakClient
def install_multiple_bleak_catcher() -> None:
"""Wrap the bleak classes to return the shared instance if multiple instances are detected."""
bleak.BleakScanner = HaBleakScannerWrapper # type: ignore[misc, assignment]
bleak.BleakClient = HaBleakClientWrapper # type: ignore[misc]
def uninstall_multiple_bleak_catcher() -> None:
"""Unwrap the bleak classes."""
bleak.BleakScanner = ORIGINAL_BLEAK_SCANNER # type: ignore[misc]
bleak.BleakClient = ORIGINAL_BLEAK_CLIENT # type: ignore[misc]