test add api (#2381)

* test add api

* add_api test=develop

doc/fluid/api/index_en.rst

@@ -32,3 +32,4 @@ API Reference
     regularizer.rst
     transpiler.rst
     unique_name.rst
+    review_tmp.rst

doc/fluid/api/review_tmp.rst

+=================
+paddle.review_tmp
+=================
+
+..  toctree::
+    :maxdepth: 1
+
+    review_tmp/MarginRankingLoss.rst
+    review_tmp/margin_ranking_loss.rst

doc/fluid/api/review_tmp/MarginRankingLoss.rst

+.. _api_nn_loss_MarginRankingLoss_tmp:
+
+MarginRankingLoss
+-----------------
+
+..  autoclass:: paddle.nn.loss.MarginRankingLoss
+    :members:
+    :inherited-members:
+    :noindex:

doc/fluid/api/review_tmp/margin_ranking_loss.rst

+.. _api_nn_functional_margin_ranking_loss_tmp:
+
+margin_ranking_loss
+-------------------
+
+..  autofunction:: paddle.nn.functional.margin_ranking_loss
+    :noindex:

gen_index.py

+import argparse
+import sys
+import types
+import os
+import contextlib
+
+
+def parse_arg():
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        '--api_path',
+        type=str,
+        default='paddle.nn.functional.l1_loss',
+        help='the function/class path')
+    parser.add_argument(
+        '--is_class',
+        type=str,
+        default='False',
+        help='whether function or class, False means function')
+    return parser.parse_args()
+
+
+def add_index(en_doc_review_dir, api_name):
+
+    stream = open(en_doc_review_dir + '.rst', 'a')
+    stream.write('    review_tmp/' + api_name + '.rst\n')
+    stream.close()
+    print('add index to ' + en_doc_review_dir + '.rst success')
+
+
+def add_file(en_doc_review_dir, api_path, is_class=False):
+
+    api_path_list = api_path.split('.')
+    api_name = api_path_list[-1]
+    api_title = '_'.join(api_path_list[1:])
+
+    stream = open(en_doc_review_dir + '/' + api_name + '.rst', 'w')
+    stream.write('.. _api_' + api_title + ':\n')
+    stream.write('\n')
+    stream.write(api_name + '\n')
+    for i in range(max(9, len(api_name))):
+        stream.write('-')
+    stream.write('\n')
+    stream.write('\n')
+
+    if is_class == 'True':
+        stream.write('..  autoclass:: ' + api_path + '\n')
+        stream.write('    :members:\n')
+        stream.write('    :inherited-members:\n')
+    else:
+        stream.write('..  autofunction:: ' + api_path + '\n')
+
+    stream.write('    :noindex:\n')
+    stream.close()
+    print('add' + en_doc_review_dir + '/' + api_name + '.rst success')
+
+
+def main():
+    args = parse_arg()
+    api_path = args.api_path
+    is_class = args.is_class
+    api_name = api_path.split('.')[-1]
+
+    fluid_doc_path = os.getcwd()
+    en_doc_review_dir = fluid_doc_path + '/doc/fluid/api/review_tmp'
+
+    add_index(en_doc_review_dir, api_name)
+    add_file(en_doc_review_dir, api_path, is_class)
+
+
+if __name__ == '__main__':
+    main()