import os, logging
DEBUG = os.environ.get('DEBUG')
logging.basicConfig(
        format='[%(asctime)s] %(levelname)s %(module)s/%(funcName)s - %(message)s',
        level=logging.DEBUG if DEBUG else logging.INFO)

import subprocess


def lock_screen():
    subprocess.run(['xdg-screensaver', 'lock'])


if __name__ == '__main__':
    lock_screen()