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1# Copyright 2016 The TensorFlow Authors. All Rights Reserved. 

2# 

3# Licensed under the Apache License, Version 2.0 (the "License"); 

4# you may not use this file except in compliance with the License. 

5# You may obtain a copy of the License at 

6# 

7# http://www.apache.org/licenses/LICENSE-2.0 

8# 

9# Unless required by applicable law or agreed to in writing, software 

10# distributed under the License is distributed on an "AS IS" BASIS, 

11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

12# See the License for the specific language governing permissions and 

13# limitations under the License. 

14# ============================================================================== 

15"""Utilities to preprocess data before training. 

16 

17Deprecated: `tf.keras.preprocessing` APIs do not operate on tensors and are 

18not recommended for new code. Prefer loading data with either 

19`tf.keras.utils.text_dataset_from_directory` or 

20`tf.keras.utils.image_dataset_from_directory`, and then transforming the output 

21`tf.data.Dataset` with preprocessing layers. These approaches will offer 

22better performance and intergration with the broader Tensorflow ecosystem. For 

23more information, see the tutorials for [loading text]( 

24https://www.tensorflow.org/tutorials/load_data/text), [loading images]( 

25https://www.tensorflow.org/tutorials/load_data/images), and [augmenting images]( 

26https://www.tensorflow.org/tutorials/images/data_augmentation), as well as the 

27[preprocessing layer guide]( 

28https://www.tensorflow.org/guide/keras/preprocessing_layers). 

29""" 

30from keras.src import backend 

31from keras.src.preprocessing import image 

32from keras.src.preprocessing import sequence 

33from keras.src.preprocessing import text 

34