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1# Copyright 2019 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"""Module deprecation warnings for TensorFlow 2.0."""
16
17from __future__ import absolute_import
18from __future__ import division
19from __future__ import print_function
20
21from tensorflow.tools.compatibility import ast_edits
22
23
24_CONTRIB_WARNING = (
25    ast_edits.ERROR,
26    "<function name> cannot be converted automatically. tf.contrib will not"
27    " be distributed with TensorFlow 2.0, please consider an alternative in"
28    " non-contrib TensorFlow, a community-maintained repository such as "
29    "tensorflow/addons, or fork the required code.")
30
31_FLAGS_WARNING = (
32    ast_edits.ERROR,
33    "tf.flags and tf.app.flags have been removed, please use the argparse or "
34    "absl modules if you need command line parsing.")
35
36_CONTRIB_CUDNN_RNN_WARNING = (
37    ast_edits.WARNING,
38    "(Manual edit required) tf.contrib.cudnn_rnn.* has been deprecated, "
39    "and the CuDNN kernel has been integrated with "
40    "tf.keras.layers.LSTM/GRU in TensorFlow 2.0. Please check the new API "
41    "and use that instead."
42)
43
44_CONTRIB_RNN_WARNING = (
45    ast_edits.WARNING,
46    "(Manual edit required) tf.contrib.rnn.* has been deprecated, and "
47    "widely used cells/functions will be moved to tensorflow/addons "
48    "repository. Please check it there and file Github issues if necessary."
49)
50
51_CONTRIB_DIST_STRAT_WARNING = (
52    ast_edits.WARNING,
53    "(Manual edit required) tf.contrib.distribute.* have been migrated to "
54    "tf.distribute.*. Please check out the new module for updated APIs.")
55
56_CONTRIB_SEQ2SEQ_WARNING = (
57    ast_edits.WARNING,
58    "(Manual edit required) tf.contrib.seq2seq.* have been migrated to "
59    "`tfa.seq2seq.*` in TensorFlow Addons. Please see "
60    "https://github.com/tensorflow/addons for more info.")
61
62MODULE_DEPRECATIONS = {
63    "tf.contrib": _CONTRIB_WARNING,
64    "tf.contrib.cudnn_rnn": _CONTRIB_CUDNN_RNN_WARNING,
65    "tf.contrib.rnn": _CONTRIB_RNN_WARNING,
66    "tf.flags": _FLAGS_WARNING,
67    "tf.app.flags": _FLAGS_WARNING,
68    "tf.contrib.distribute": _CONTRIB_DIST_STRAT_WARNING,
69    "tf.contrib.seq2seq": _CONTRIB_SEQ2SEQ_WARNING
70}
71