def cleanup_queue(credentials, project_id, bucket, directory, file_regex=None):
  cs.Cs(project_id).delete_bucket_contents(
      credentials.access_token, bucket, directory, file_regex)
Gets a distributed datastore object to interact with
dataset/ETHPy150Open googlearchive/compute-appengine-demo-suite-python/demo-suite/lib/google_cloud/gcs_appengine.py/cleanup_queue--crossover with--dataset/ETHPy150Open AppScale/appscale/AppDB/groomer.py/DatastoreGroomer.register_db_accessor