added API docs generator in build_docs.py (#196)

* added API docs generator in build_docs.py

* added API docs generator in build_docs.py

Author: armando-fandango

tools/docs/build_docs.py

@@ -0,0 +1,68 @@
+# Copyright 2015 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.
+# ==============================================================================
+""" Modified from the tfdocs example api reference docs generation script.
+
+This script generates API reference docs.
+
+Install pre-requisites:
+$> pip install -U git+https://github.com/tensorflow/docs
+$> pip install artifacts/tensorflow_addons-*.whl
+
+Generate Docs:
+$> from the repo root run: python tools/docs/build_docs.py
+"""
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+from absl import app
+from absl import flags
+
+import tensorflow_addons
+from tensorflow_docs.api_generator import generate_lib
+from tensorflow_docs.api_generator import public_api
+
+PROJECT_SHORT_NAME = 'tfaddons'
+PROJECT_FULL_NAME = 'TensorFlow Addons'
+CODE_URL_PREFIX = 'https://github.com/tensorflow/addons/tree/master/tensorflow_addons'
+
+FLAGS = flags.FLAGS
+
+flags.DEFINE_string(
+    'output_dir',
+    default='/addons/docs/api_docs/python/',
+    help='Where to write the resulting docs to.')
+
+
+def main(argv):
+    if argv[1:]:
+        raise ValueError('Unrecognized arguments: {}'.format(argv[1:]))
+
+    doc_generator = generate_lib.DocGenerator(
+        root_title=PROJECT_FULL_NAME,
+        # Replace `tensorflow_docs` with your module, here.
+        py_modules=[(PROJECT_SHORT_NAME, tensorflow_addons)],
+        code_url_prefix=CODE_URL_PREFIX,
+        # This callback cleans up a lot of aliases caused by internal imports.
+        callbacks=[public_api.local_definitions_filter])
+
+    doc_generator.build(FLAGS.output_dir)
+
+    print('Output docs to: ', FLAGS.output_dir)
+
+
+if __name__ == '__main__':
+    app.run(main)