new_contents: # Copyright 2018 The TensorFlow Authors. All Rights Reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  # ==============================================================================
  """Image Dataset."""
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  import os
  
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.util import nest
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor_shape
  
  from tensorflow.python.framework import load_library
  from tensorflow.python.platform import resource_loader
  image_ops = load_library.load_op_library(
      resource_loader.get_path_to_datafile('_image_ops.so'))
  
  
  class WebPDataset(dataset_ops.DatasetSource):
    """A WebP Image File Dataset that reads the WebP file."""
  
    def __init__(self, filenames):
      """Create a `WebPDataset`.
  
        filenames: A `tf.string` tensor containing one or more filenames.
      """
      super(WebPDataset, self).__init__()
      self._filenames = ops.convert_to_tensor(
          filenames, dtype=dtypes.string, name="filenames")
  
    def _as_variant_tensor(self):
      return image_ops.web_p_dataset( self._filenames)
  
    @property
    def output_classes(self):
      return ops.Tensor
  
    @property
    def output_shapes(self):
      return (tensor_shape.TensorShape([None, None, None]))
  
    @property
    def output_types(self):
      return dtypes.uint8
  
subject: Add python wrapper for WebP image format support