resource_manager.py 文件源码

def _resource_modify_parent(self, record_pk, parent_pk, remove):
        # Must be run in a transaction to avoid leaving invalid things in the DB on failure.
        assert transaction.is_managed()

        record = StorageResourceRecord.objects.get(pk = record_pk)
        if remove:
            record.parents.remove(parent_pk)
        else:
            record.parents.add(parent_pk)