def add_etag(self, overwrite=False, weak=False):
        if overwrite or 'etag' not in self.headers:
            self.set_etag(generate_etag(self.get_data()), weak)
Add a client to a target
dataset/ETHPy150Open Eforcers/gae-flask-todo/lib/werkzeug/wrappers.py/ETagResponseMixin.add_etag--crossover with--dataset/ETHPy150Open apache/libcloud/libcloud/backup/drivers/dimensiondata.py/DimensionDataBackupDriver.ex_add_client_to_target