def exists(self, digest):
        return self.conn.client.blob_exists(self.container_name, digest)
Calculate the ETag, if needed.
dataset/ETHPy150Open crate/crate-python/src/crate/client/blob.py/BlobContainer.exists--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/middleware/common.py/CommonMiddleware.process_response