def stat(self, filename):
    blob_key = files_blobstore.get_blob_key(filename)
    file_info = datastore.Get(
        datastore.Key.from_path(api_blobstore.BLOB_INFO_KIND, str(blob_key),
            namespace=''))
    if file_info == None:
      raise raise_error(
          file_service_pb.FileServiceErrors.EXISTENCE_ERROR_MEATADATA_NOT_FOUND,
          filename)
    return file_info
Sets up the client for the coordination service.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/files/file_service_stub.py/BlobstoreStorage.stat--crossover with--dataset/ETHPy150Open StackStorm/st2/st2common/st2common/services/coordination.py/coordinator_setup