+ parser = argparse.ArgumentParser(description=__doc__)
+ #parser.add_argument('file', metavar='file', nargs=1,
+ # help="image to analyse")
+ #parser.add_argument('-w', type=int, default=640,
+ # help="scale image to the specified width before analysis")
+ parser.add_argument('-d', '--device', type=int, default=0,
+ help="number of video device to use")
+ #parser.add_argument('-s', '--save', dest='do_something', action='store_const',
+ # const=image_save, default=im_debug.show,
+ # help="save images instead of displaying them")
+ args = parser.parse_args()
+
+ cam = Camera(device=args.device)