How to use the anchorecli.clients.apiexternal.get_registry function in anchorecli

def get(registry):
    """
    REGISTRY: Full hostname/port of registry. Eg. myrepo.example.com:5000
    """
    ecode = 0

    try:
        ret = anchorecli.clients.apiexternal.get_registry(config, registry=registry)
        ecode = anchorecli.cli.utils.get_ecode(ret)
        if ret['success']:
            print(anchorecli.cli.utils.format_output(config, 'registry_get', {}, ret['payload']))
        else:
            raise Exception( json.dumps(ret['error'], indent=4))

    except Exception as err:
        print(anchorecli.cli.utils.format_error_output(config, 'registry_get', {}, err))
        if not ecode:
            ecode = 2
    anchorecli.cli.utils.doexit(ecode)

def registrylist():
    ecode = 0

    try:
        ret = anchorecli.clients.apiexternal.get_registry(config)
        ecode = anchorecli.cli.utils.get_ecode(ret)
        if ret['success']:
            print(anchorecli.cli.utils.format_output(config, 'registry_list', {}, ret['payload']))
        else:
            raise Exception( json.dumps(ret['error'], indent=4))

    except Exception as err:
        print(anchorecli.cli.utils.format_error_output(config, 'registry_list', {}, err))
        if not ecode:
            ecode = 2
    anchorecli.cli.utils.doexit(ecode)