chromium/third_party/tflite_support/src/tensorflow_lite_support/python/task/core/optional_dependencies.py

# Copyright 2021 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.
"""TFLite Support's common but optional dependencies."""

# TensorFlow isn't a dependency of tflite-support pip package. It's only
# required in the API docgen pipeline so we'll ignore it if tensorflow is not
# installed.
# pylint: disable=g-import-not-at-top,unused-import
try:
  from tensorflow.tools.docs import doc_controls
except ModuleNotFoundError:
  # Replace the real doc_controls.do_not_generate_docs with an no-op
  doc_controls = lambda: None
  no_op = lambda x: x
  setattr(doc_controls, 'do_not_generate_docs', no_op)
# pylint: enable=g-import-not-at-top,unused-import