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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"""Upgrader for Python scripts from 1.* to 2.0 TensorFlow using SAFETY mode."""
16
17from __future__ import absolute_import
18from __future__ import division
19from __future__ import print_function
20
21from tensorflow.tools.compatibility import all_renames_v2
22from tensorflow.tools.compatibility import ast_edits
23from tensorflow.tools.compatibility import module_deprecations_v2
24
25
26class TFAPIChangeSpec(ast_edits.APIChangeSpec):
27  """List of maps that describe what changed in the API."""
28
29  def __init__(self):
30    self.function_keyword_renames = {}
31    self.symbol_renames = {}
32    self.change_to_function = {}
33    self.function_reorders = {}
34    self.function_warnings = {}
35    self.function_transformers = {}
36    self.module_deprecations = module_deprecations_v2.MODULE_DEPRECATIONS
37
38    ## Inform about the addons mappings
39    for symbol, replacement in all_renames_v2.addons_symbol_mappings.items():
40      warning = (
41          ast_edits.WARNING, (
42              "(Manual edit required) `{}` has been migrated to `{}` in "
43              "TensorFlow Addons. The API spec may have changed during the "
44              "migration. Please see https://github.com/tensorflow/addons "
45              "for more info.").format(symbol, replacement))
46      self.function_warnings[symbol] = warning
47
48    # List module renames. If changed, please update max_submodule_depth.
49    self.import_renames = {
50        "tensorflow":
51            ast_edits.ImportRename(
52                "tensorflow.compat.v1",
53                excluded_prefixes=[
54                    "tensorflow.contrib", "tensorflow.flags",
55                    "tensorflow.compat",
56                    "tensorflow.compat.v1", "tensorflow.compat.v2",
57                    "tensorflow.google"
58                ],
59            )
60    }
61    # Needs to be updated if self.import_renames is changed.
62    self.max_submodule_depth = 2
63