ev.py

#!/usr/bin/env python

from evdev import InputDevice, categorize, ecodes, list_devices
import argparse


def main():
    parser = argparse.ArgumentParser(description="little evdev helper")
    parser.add_argument("device", help='input device to open', default=None, nargs='?')
    args = parser.parse_args()

    devstr = args.device

    if devstr is None:
        devices = map(InputDevice, list_devices())
        for device in devices:
            print(device.fn, device.name, device.phys)
        return


    if devstr.startswith('event'):
        devstr = '/dev/input/' + devstr

    device = InputDevice(devstr)
    print(device)

    for event in device.read_loop():
        if event.type == ecodes.EV_KEY:
            print(categorize(event))

if __name__ == '__main__':
    main()