if __name__ == '__main__':

    from optparse import OptionParser

    _cmd_parser = OptionParser(usage="usage: %prog [options] package.module:app")

    _opt = _cmd_parser.add_option

    _opt("--version", action="store_true", help="show version number.")

    _opt("-b", "--bind", metavar="ADDRESS", help="bind socket to ADDRESS.")

    _opt("-s", "--server", default='wsgiref', help="use SERVER as backend.")

    _opt("-p", "--plugin", action="append", help="install additional plugin/s.")

    _opt("--debug", action="store_true", help="start server in debug mode.")

    _opt("--reload", action="store_true", help="auto-reload on file changes.")

    _cmd_options, _cmd_args = _cmd_parser.parse_args()

    if _cmd_options.server and _cmd_options.server.startswith('gevent'):

        import gevent.monkey; gevent.monkey.patch_all()