reddit.py 文件源码

def make_input_schema(mode=tf.contrib.learn.ModeKeys.TRAIN):
  """Input schema definition.

  Args:
    mode: tf.contrib.learn.ModeKeys specifying if the schema is being used for
      train/eval or prediction.
  Returns:
    A `Schema` object.
  """
  result = ({} if mode == tf.contrib.learn.ModeKeys.INFER else {
      'score': tf.FixedLenFeature(shape=[], dtype=tf.float32)
  })
  result.update({
      'subreddit': tf.FixedLenFeature(shape=[], dtype=tf.string),
      'author': tf.FixedLenFeature(shape=[], dtype=tf.string),
      'comment_body': tf.FixedLenFeature(shape=[], dtype=tf.string,
                                         default_value=''),
      'comment_parent_body': tf.FixedLenFeature(shape=[], dtype=tf.string,
                                                default_value=''),
      'toplevel': tf.FixedLenFeature(shape=[], dtype=tf.int64),
  })
  return dataset_schema.from_feature_spec(result)