def _locked_tmp_dir_size(lock_filename):
  """Returns the size of the temp dir pointed to by the given lock file."""
  task_uid = _task_uid_from_lock_file(lock_filename)
  try:
    return _dir_size(
        _temp_download_dir(_module_dir(lock_filename), task_uid))
  except tf.errors.NotFoundError:
    return 0
Returns the size of the temp dir pointed to by the given lock file.