import libevdev
import sys

device_path = sys.argv[1]

with open(device_path, 'rb') as f:
    d = libevdev.Device(f)
    print(f"Device: {d.name}")
    print("Capabilities:")
    for event_type, codes in d.capabilities().items():
        print(f"  {event_type}:")
        for code in codes:
            print(f"    {code}")