text: # Copyright (c) 2019  PaddlePaddle 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.
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  import os
  
  import paddlehub as hub
  from paddlehub.dataset.base_cv_dataset import ImageClassificationDataset
  
  
  class DogCatDataset(ImageClassificationDataset):
      def __init__(self):
          super(DogCatDataset, self).__init__()
          dataset_path = os.path.join(hub.common.dir.DATA_HOME, "dog-cat")
          self.base_path = self._download_dataset(
              dataset_path=dataset_path,
              url="https://paddlehub-dataset.bj.bcebos.com/dog-cat.tar.gz")
          self.train_list_file = "train_list.txt"
          self.test_list_file = "test_list.txt"
          self.validate_list_file = "validate_list.txt"
          self.num_labels = 2
  