tensorflow/models · error · ValueError

The mode {} is not supported by the Parser.

Error message

The mode {} is not supported by the Parser.

What it means

Error "The mode {} is not supported by the Parser." thrown in tensorflow/models.

Source

Thrown at official/projects/simclr/dataloaders/simclr_input.py:194

    return image

  def _parse_train_data(self, decoded_tensors):
    """Parses data for training."""
    image_bytes = decoded_tensors['image/encoded']

    if self._mode == simclr_model.FINETUNE:
      image = self._parse_one_train_image(image_bytes)

    elif self._mode == simclr_model.PRETRAIN:
      # Transform each example twice using a combination of
      # simple augmentations, resulting in 2N data points
      xs = []
      for _ in range(2):
        xs.append(self._parse_one_train_image(image_bytes))
      image = tf.concat(xs, -1)

    else:
      raise ValueError('The mode {} is not supported by the Parser.'
                       .format(self._mode))

    if self._parse_label:
      label = tf.cast(decoded_tensors['image/class/label'], dtype=tf.int32)
      return image, label

    return image

  def _parse_eval_data(self, decoded_tensors):
    """Parses data for evaluation."""
    image_bytes = decoded_tensors['image/encoded']
    image_shape = tf.image.extract_jpeg_shape(image_bytes)

    if self._test_crop:
      image = preprocess_ops.center_crop_image_v2(image_bytes, image_shape)
    else:
      image = tf.image.decode_jpeg(image_bytes, channels=3)
    # This line convert the image to float 0.0 - 1.0

View on GitHub (pinned to e006f5f0d5)

When it happens

Trigger: Thrown at official/projects/simclr/dataloaders/simclr_input.py:194 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of tensorflow/models@e006f5f0d5 (2026-08-24). Data as JSON: /api/errors/fc463aa6f5545d9f. Report an issue: GitHub.