def normal(): container = args.image mode = args.mode try: steg = Steganography(container) if mode == "hide": if args.in_file: information = open(args.in_file, 'rb').read() else: information = input("Enter concealed text:\n") steg.hide_information(information, args.out_file) elif mode == "unhide": steg.unhide_information(args.out_file) except Exception as e: sys.exit("Error: {0}".format(e))