Get services, characteristics and descriptors for a BLE device

ble_get_services.py

"""
Get services, characteristics and descriptors for a BLE device
"""
import sys
import asyncio
import platform

from bleak import BleakClient

ADDRESS = ( "20:C3:8F:8A:5B:EA")


async def main(address: str):
    async with BleakClient(address) as client:
        svcs = await client.get_services()
        print("Services:")
        for service in svcs:
            print(f"SERVICE: {service}")
            for c in service.characteristics:
                print(f"  CHARACTERISTIC: uuid: {c.uuid}, handle: {c.handle}, properties: {c.properties}")

                for d in c.descriptors:
                    print(f"    DESCRIPTOR: {d}")

            print("\n")


if __name__ == "__main__":
    asyncio.run(main(sys.argv[1] if len(sys.argv) == 2 else ADDRESS))