def _invalidate_on_folder_permissions_update(sender, **kwargs):
# Invalidate itself.
namespace = FOLDER_NAMESPACE_FORMAT.format(kwargs['instance'])
ncache.invalidate_namespace(namespace)
def invalidate_cache_for_folders(folders):
"""
Something to avoid, or be extremely careful with.
"""
namespaces = [FOLDER_NAMESPACE_FORMAT.format(x) for x in folders]
ncache.invalidate_namespaces(namespaces)
