def ex_set_account_metadata_temp_url_key(self, key):
        headers = {'X-Account-Meta-Temp-URL-Key': key}

        # pylint: disable=unexpected-keyword-arg
        response = self.connection.request('',
                                           method='POST',
                                           headers=headers,
                                           cdn_request=False)

        return response.status in [httplib.OK, httplib.NO_CONTENT,
                                   httplib.CREATED, httplib.ACCEPTED]
Set the metadata header X-Account-Meta-Temp-URL-Key on your Cloud
dataset/ETHPy150Open apache/libcloud/libcloud/storage/drivers/cloudfiles.py/CloudFilesStorageDriver.ex_set_account_metadata_temp_url_key