permissions.py 文件源码

def save(self, *args, **kwargs):
        super(PermissionSet, self).save(*args, **kwargs)
        # FIXME: can we use `post_save` signals or invalidate caches in model
        # managers, please?
        key = iri_to_uri('Permissions:%s' % self.user.username)
        cache.delete(key)