def main():
parser = argparse.ArgumentParser(description='<STR_LIT>')<EOL>parser.add_argument('<STR_LIT>', '<STR_LIT>', type=int, help='<STR_LIT>', default=<NUM_LIT>)<EOL>parser.add_argument('<STR_LIT>', '<STR_LIT>', help='<STR_LIT>', nargs='<STR_LIT:?>')<EOL>parser.add_argument('<STR_LIT:-c>', '<STR_LIT>', type=str, help='<STR_LIT>')<EOL>args = parser.parse_args()<EOL>if args.config:<EOL><INDENT>_add_devices_from_config(args)<EOL><DEDENT>if args.default and not add('<STR_LIT:default>', args.default):<EOL><INDENT>exit('<STR_LIT>')<EOL><DEDENT>app.run(host='<STR_LIT>', port=args.port)<EOL>
Set up the server.