def ex_purge_object_from_cdn(self, obj, email=None):
        container_name = self._encode_container_name(obj.container.name)
        object_name = self._encode_object_name(obj.name)
        headers = {'X-Purge-Email': email} if email else {}

        # pylint: disable=unexpected-keyword-arg
        response = self.connection.request('/%s/%s' % (container_name,
                                                       object_name),
                                           method='DELETE',
                                           headers=headers,
                                           cdn_request=True)

        return response.status == httplib.NO_CONTENT
Deleting an instance of a concrete model should also delete objects
dataset/ETHPy150Open apache/libcloud/libcloud/storage/drivers/cloudfiles.py/CloudFilesStorageDriver.ex_purge_object_from_cdn--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/tests/regressiontests/delete_regress/tests.py/ProxyDeleteTest.test_delete_concrete_parent