+parser = argparse.ArgumentParser(description=__doc__)
+parser.add_argument('-m', type=int, default=45,
+ help="main time in minutes")
+parser.add_argument('-c', '--camera', dest='cam', action='store_true',
+ help="camera on")
+parser.add_argument('-d', type=int, default=0,
+ help="video device id")
+parser.add_argument('-r', type=int, nargs=2, default=[640, 480],
+ help="set camera resolution")
+args = parser.parse_args()
+
+