def main(argv=None): # Parse options if argv is None: argv = sys.argv if len(argv) > 1: opts, args = getopt.getopt(argv[1:], "d") if "-d" in [o for o,v in opts]: Logger.set_debug_mode() Logger.clear() app = Application(UserInterface) Logger.log("app.start()") app.start() Logger.log("app.start() finished")