discover_bluetooth_devices_elaborate2.py

import warnings
warnings.filterwarnings("ignore")

import asyncio
from bleak import BleakScanner

def format_bytes(b):
    return ' '.join(f'{byte:02X}' for byte in b)

async def main():
    print("🔍 Scanning for Bluetooth LE devices (5 seconds)...")
    devices = await BleakScanner.discover(timeout=5.0)

    if not devices:
        print("❌ No BLE devices found.")
        return

    for i, d in enumerate(devices, 1):
        print(f"\n🔹 Device #{i}")
        print(f"  Name        : {d.name or '[No Name]'}")
        print(f"  Address     : {d.address}")
        print(f"  RSSI        : {d.rssi} dBm")

        # Advertisement data
        ad = d.metadata.get("advertisement_data")
        if ad:
            # Advertised services
            if ad.service_uuids:
                print("  Services    :")
                for uuid in ad.service_uuids:
                    print(f"    - {uuid}")

            # Manufacturer data
            if ad.manufacturer_data:
                print("  Manufacturer Data:")
                for key, value in ad.manufacturer_data.items():
                    print(f"    - ID {key}: {format_bytes(value)}")

            # Service data
            if ad.service_data:
                print("  Service Data:")
                for uuid, data in ad.service_data.items():
                    print(f"    - {uuid}: {format_bytes(data)}")

        else:
            print("  No advertisement data available.")

asyncio.run(main())