experiment.py 文件源码

def _maybe_export(self, eval_result):  # pylint: disable=unused-argument
    """Export the Estimator using export_fn, if defined."""
    export_dir_base = os.path.join(
        compat.as_bytes(self._estimator.model_dir),
        compat.as_bytes("export"))

    export_results = []
    for strategy in self._export_strategies:
      # TODO(soergel): possibly, allow users to decide whether to export here
      # based on the eval_result (e.g., to keep the best export).

      export_results.append(
          strategy.export(
              self._estimator,
              os.path.join(
                  compat.as_bytes(export_dir_base),
                  compat.as_bytes(strategy.name))))

    return export_results