Merge pull request #11508 from typhoonzero/transpiler_doc

Transpiler doc

doc/fluid/api/gen_doc.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 python gen_doc.py layers --submodules control_flow device io nn ops tensor detection learning_rate_scheduler metric > layers.rst
 
-for module in data_feeder clip metrics executor initializer io nets optimizer param_attr profiler regularizer
+for module in data_feeder clip metrics executor initializer io nets optimizer param_attr profiler regularizer transpiler
 do
   python gen_doc.py ${module} > ${module}.rst
 done

doc/fluid/api/transpiler.rst

@@ -0,0 +1,46 @@
+..  THIS FILE IS GENERATED BY `gen_doc.{py|sh}`
+    !DO NOT EDIT THIS FILE MANUALLY!
+
+==========
+transpiler
+==========
+
+DistributeTranspiler
+--------------------
+
+..  autoclass:: paddle.fluid.transpiler.DistributeTranspiler
+    :members:
+    :noindex:
+
+InferenceTranspiler
+-------------------
+
+..  autoclass:: paddle.fluid.transpiler.InferenceTranspiler
+    :members:
+    :noindex:
+
+memory_optimize
+---------------
+
+..  autofunction:: paddle.fluid.transpiler.memory_optimize
+    :noindex:
+
+release_memory
+--------------
+
+..  autofunction:: paddle.fluid.transpiler.release_memory
+    :noindex:
+
+HashName
+--------
+
+..  autoclass:: paddle.fluid.transpiler.HashName
+    :members:
+    :noindex:
+
+RoundRobin
+----------
+
+..  autoclass:: paddle.fluid.transpiler.RoundRobin
+    :members:
+    :noindex:

python/paddle/fluid/transpiler/ps_dispatcher.py

@@ -33,15 +33,21 @@ class PSDispatcher(object):
 
     def dispatch(self, varlist):
         """
-        :param varlist: a list of Variables
+        Args:
-        :return: a map of pserver endpoint -> varname 
+            varlist(list): a list of Variables
+        Returns:
+            a map of pserver endpoint -> varname
         """
         AssertionError("Interface has not been implemented.")
 
 
 class HashName(PSDispatcher):
     """
-      Hash variable names to several endpoints
+    Hash variable names to several endpoints using python
+    "hash()" function.
+
+    Args:
+        pserver_endpoints (list): list of endpoint(ip:port).
     """
 
     def __init__(self, pserver_endpoints):
@@ -61,7 +67,11 @@ class HashName(PSDispatcher):
 
 class RoundRobin(PSDispatcher):
     """
-    Distribute variables to serveral endpoints.
+    Distribute variables to serveral endpoints using
+    RondRobin<https://en.wikipedia.org/wiki/Round-robin_scheduling> method.
+
+    Args:
+        pserver_endpoints (list): list of endpoint(ip:port).
     """
 
     def __init__(self, pserver_endpoints):

tools/codestyle/docstring_checker.py

@@ -291,6 +291,8 @@ class DocstringChecker(BaseChecker):
             True if successful otherwise False.
         """
 
+        if node.name.startswith("__") or node.name.startswith("_"):
+            return True
         find = False
         for t in node.body:
             if not isinstance(t, astroid.Return):
@@ -316,6 +318,8 @@ class DocstringChecker(BaseChecker):
         Returns:
             True if successful otherwise False.
         """
+        if node.name.startswith("__") or node.name.startswith("_"):
+            return True
         args = []
         for arg in node.args.get_children():
             if (not isinstance(arg, astroid.AssignName)) \