train-with-rebuild.py 文件源码

def get_meta_filename(self, start_new_model, train_dir):
        if start_new_model:
            logging.info("%s: Flag 'start_new_model' is set. Building a new model.",
                         task_as_string(self.task))
            return None

        latest_checkpoint = tf.train.latest_checkpoint(train_dir)
        if not latest_checkpoint:
            logging.info("%s: No checkpoint file found. Building a new model.",
                         task_as_string(self.task))
            return None

        meta_filename = latest_checkpoint + ".meta"
        if not gfile.Exists(meta_filename):
            logging.info("%s: No meta graph file found. Building a new model.",
                         task_as_string(self.task))
            return None
        else:
            return meta_filename