__main__.py 文件源码

def main(args=None):
    if args is None:
        args = sys.argv[1:]

    if not len(args):
        sys.stderr.write(USAGE)
        sys.exit(1)
    elif args[0] in ("-h", "--help"):
        sys.stderr.write(__doc__ + "\n")
        sys.exit(1)
    elif args[0][:1] == "-":
        sys.stderr.write(USAGE)
        sys.exit(1)

    module_name = args.pop(0)
    try:
        module = import_module(".utilities." + module_name,
                               package="mjolnir")
    except ImportError:
        sys.stderr.write(traceback.format_exc())
        sys.stderr.write("Could not find utility %s" % (module_name))
        sys.exit(1)

    module.main(args)