group.add_argument('--apihost', help='api host')

    group = parser.add_argument_group('API')

    group.add_argument('method', metavar='METHOD', type=str,

            help='API method name to call followed by key:value attributes',

    )

    group.add_argument('--format', dest='format', type=str,

            help='output format default: `pretty` can '

                 'be also `%s`' % FORMAT_JSON,

            default=FORMAT_PRETTY

    )

    args, other = parser.parse_known_args()

    return parser, args, other

def main(argv=None):

    """

    Main execution function for cli

    :param argv:

    :type 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.method == '_create_config':

        if not api_credentials_given:

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

        conf = RcConf(autocreate=True, config={'apikey': args.apikey,

                                               'apihost': args.apihost})

        sys.stdout.write('Create new config in %s\n' % CONFIG_NAME)

    if not conf:

        conf = RcConf(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']

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

    method = args.method

    if method == '_create_config':

        sys.exit()

    api_call(apikey, host, args.format, method, **margs)

    return 0

if __name__ == '__main__':

    sys.exit(main(sys.argv))