def _make_namespaced_xattr_key(key, namespace='user'):
    namespaced_key = ".".join([namespace, key])
    return namespaced_key
Refreshes the access_token.
dataset/ETHPy150Open rcbops/glance-buildpackage/glance/image_cache/drivers/xattr.py/_make_namespaced_xattr_key--crossover with--dataset/ETHPy150Open googledrive/PyDrive/pydrive/auth.py/GoogleAuth.Refresh