[Doc] python api contents (#4649)

docs/source/index.rst

@@ -29,6 +29,7 @@ Neural Network Intelligence
     nnictl Commands <reference/nnictl>
     Experiment Configuration <reference/experiment_config>
     Python API <reference/_modules/nni>
+    API Reference <reference/python_api_ref>
 
 ..  toctree::
     :maxdepth: 2

docs/source/index_zh.rst

-.. 7f1c1f76edfd4524c037b283d7520561
+.. fed79e0ecef07f9d28e06ad261fd8f7b
 
 ###########################
 Neural Network Intelligence

docs/source/reference.rst

@@ -11,5 +11,6 @@ References
     nnictl Commands <reference/nnictl>
     Experiment Configuration <reference/experiment_config>
     SDK API References <sdk_reference>
+    API References <reference/python_api_ref>
     Supported Framework Library <SupportedFramework_Library>
     Launch from Python <Tutorial/HowToLaunchFromPython>

docs/source/reference/python_api/compression.rst

+Model Compression
+=================
+
+nni.algorithms.compression
+--------------------------
+
+nni.compression
+---------------

docs/source/reference/python_api/experiment.rst

+Experiment
+==========
+
+nni.experiment
+--------------
+
+nni.runtime
+-----------
+
+nni.tools
+---------

docs/source/reference/python_api/feature_engineering.rst

+Feature Engineering
+===================
+
+nni.algorithms.feature_engineering
+----------------------------------

docs/source/reference/python_api/hpo.rst

+Hyperparameter Optimization
+===========================
+
+nni.algorithms.hpo
+------------------
+
+nni.tuner
+---------
+
+nni.assessor
+------------
+
+nni.trial
+---------

docs/source/reference/python_api/nas.rst

+Neural Architecture Search
+==========================
+
+nni.retiarii
+------------

docs/source/reference/python_api/others.rst

+Others
+======
+
+nni
+---
+
+nni.common
+----------
+
+nni.utils
+---------

docs/source/reference/python_api_ref.rst

+API Reference
+=============
+
+..  toctree::
+    :maxdepth: 1
+
+    Hyperparameter Optimization <./python_api/hpo>
+    Neural Architecture Search <./python_api/nas>
+    Model Compression <./python_api/compression>
+    Feature Engineering <./python_api/feature_engineering>
+    Experiment <./python_api/experiment>
+    Others <./python_api/others>

docs/source/reference_zh.rst

-.. 435c9eaf84995753a99fb489190daaa6
+.. a37f2fd05f05aaee4da775e155f4733d
 
 :orphan:
 
@@ -11,5 +11,6 @@
     nnictl 命令 <reference/nnictl>
     Experiment 配置 <reference/experiment_config>
     SDK API 参考 <sdk_reference>
+    API 参考 <reference/python_api_ref>
     支持的框架和库 <SupportedFramework_Library>
     从 Python 发起实验 <Tutorial/HowToLaunchFromPython>