From: Anthony Geay <anthony.geay@edf.fr>
Date: Mon, 6 Apr 2020 13:24:34 +0000 (+0200)
Subject: First attempt to reduce memory peak on remote python invokation
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=f14c1fb3d220b93e235c26d45d2e76799540c3b8;p=modules%2Fkernel.git

First attempt to reduce memory peak on remote python invokation
---

diff --git a/idl/SALOME_PyNode.idl b/idl/SALOME_PyNode.idl
index 6c8af4241..2e017f9c6 100644
--- a/idl/SALOME_PyNode.idl
+++ b/idl/SALOME_PyNode.idl
@@ -82,7 +82,14 @@ module Engines
     */
     pickledArgs execute(in listofstring outargsname, in pickledArgs inargs) raises (SALOME::SALOME_Exception);
 
-    
+    /*! \brief first part of whole execute method. This split is to reduce the memory peak.
+    */
+    void executeFirst(in pickledArgs inargs) raises (SALOME::SALOME_Exception);
+
+    /*! \brief second and last part of execute method. This split is to reduce the memory peak.
+    */
+    pickledArgs executeSecond(in listofstring outargsname) raises (SALOME::SALOME_Exception);
+
     pickledArgs getValueOfVarInContext(in string varName) raises (SALOME::SALOME_Exception);
 
     void assignVarInContext(in string varName, in pickledArgs value) raises (SALOME::SALOME_Exception);
diff --git a/src/Container/SALOME_PyNode.py b/src/Container/SALOME_PyNode.py
index 48a839e8c..b74a7f2f7 100644
--- a/src/Container/SALOME_PyNode.py
+++ b/src/Container/SALOME_PyNode.py
@@ -143,6 +143,32 @@ class PyScriptNode_i (Engines__POA.PyScriptNode,Generic):
       l=traceback.format_exception(exc_typ,exc_val,exc_fr)
       raise SALOME.SALOME_Exception(SALOME.ExceptionStruct(SALOME.BAD_PARAM,"".join(l),"PyScriptNode: %s, outargsname: %s" % (self.nodeName,outargsname),0))
 
+  def executeFirst(self,argsin):
+    """ Same than first part of self.execute to reduce memory peak."""
+    try:
+      _,kws=pickle.loads(argsin)
+      self.context.update(kws)
+      exec(self.ccode, self.context)
+    except:
+      exc_typ,exc_val,exc_fr=sys.exc_info()
+      l=traceback.format_exception(exc_typ,exc_val,exc_fr)
+      raise SALOME.SALOME_Exception(SALOME.ExceptionStruct(SALOME.BAD_PARAM,"".join(l),"PyScriptNode:First %s" % (self.nodeName),0))
+
+  def executeSecond(self,outargsname):
+    """ Same than second part of self.execute to reduce memory peak."""
+    try:
+      argsout=[]
+      for arg in outargsname:
+        if arg not in self.context:
+          raise KeyError("There is no variable %s in context" % arg)
+        argsout.append(self.context[arg])
+      argsout=pickle.dumps(tuple(argsout),-1)
+      return argsout
+    except:
+      exc_typ,exc_val,exc_fr=sys.exc_info()
+      l=traceback.format_exception(exc_typ,exc_val,exc_fr)
+      raise SALOME.SALOME_Exception(SALOME.ExceptionStruct(SALOME.BAD_PARAM,"".join(l),"PyScriptNode:Second %s, outargsname: %s" % (self.nodeName,outargsname),0))
+
   def getValueOfVarInContext(self,varName):
     try:
       return pickle.dumps(self.context[varName],-1)