args, other = parser.parse_known_args()

    return parser, args, other

def main(argv=None):

    """

    Main execution function for cli

    :param argv:

    """

    if argv is None:

        argv = sys.argv

    conf = None

    parser, args, other = argparser(argv)

    api_credentials_given = (args.apikey and args.apihost)

    if args.save_config:

        if not api_credentials_given:

            raise parser.error('--save-config requires --apikey and --apihost')

        conf = RcConf(config_location=args.config,

                      autocreate=True, config={'apikey': args.apikey,

                                               'apihost': args.apihost})

        sys.exit()

    if not conf:

        conf = RcConf(config_location=args.config, autoload=True)

        if not conf:

            if not api_credentials_given:

                parser.error('Could not find config file and missing '

                             '--apikey or --apihost in params')

    apikey = args.apikey or conf['apikey']

    apihost = args.apihost or conf['apihost']

    method = args.method

    # if we don't have method here it's an error

    if not method:

        parser.error('Please specify method name')

    try:

        margs = dict(map(lambda s: s.split(':', 1), other))

    except Exception:

        sys.stderr.write('Error parsing arguments \n')

        sys.exit()

    if args.format == FORMAT_PRETTY:

        print 'Calling method %s => %s' % (method, apihost)

    if args.format == FORMAT_JSON:

        print json.dumps(json_data)

    elif args.format == FORMAT_PRETTY:

        print 'Server response \n%s' % (

                json.dumps(json_data, indent=4, sort_keys=True))

    return 0

if __name__ == '__main__':

    sys.exit(main(sys.argv))