diff -r f794fbff8f02 -r 28f96aa9c070 py_ext/PythonFileCTNMixin.py
--- a/py_ext/PythonFileCTNMixin.py	Tue May 14 00:30:35 2013 +0200
+++ b/py_ext/PythonFileCTNMixin.py	Tue May 14 18:41:33 2013 +0900
@@ -46,7 +46,19 @@
     def PythonFileName(self):
         return os.path.join(self.CTNPath(), "py_ext.xml")
 
-    def GetSectionsCode(self):
+    PreSectionsTexts = {}
+    PostSectionsTexts = {}
+    def GetSection(self,section):
+        return self.PreSectionsTexts.get(section,"") + "\n" + \
+               getattr(self.CodeFile, section).gettext() + "\n" + \
+               self.PostSectionsTexts.get(section,"")
+        
+
+    def CTNGenerate_C(self, buildpath, locations):
+        current_location = self.GetCurrentLocation()
+        # define a unique name for the generated C file
+        location_str = "_".join(map(lambda x:str(x), current_location))
+        
         
         # Generate Beremiz python runtime variables code
         config = self.GetCTRoot().GetProjectConfigNames()[0]
@@ -58,23 +70,95 @@
                 variable.getname(),
                 variable.gettype(),
                 str(variable.getinitial()))
-        
-        sections_code = {
-            "variables": variables_str,
-            "globals": self.CodeFile.globals.gettext().strip()
-        }
-        
-        # Generate Beremiz python runtime functions code
+
+        # Runtime calls (start, stop, init, and cleanup)
+        rtcalls = ""
         for section in self.SECTIONS_NAMES:
             if section != "globals":
-                code_object = getattr(self.CodeFile, section)
-                section_str = ""
-                lines = code_object.gettext().strip().splitlines()
-                if len(lines) > 0:
-                    for line in lines:
-                        section_str += "    " + line + "\n"
-                    section_str += "\n"
-                sections_code[section] = section_str
-            
-        return sections_code
+                rtcalls += "def _runtime_%s_%s():\n" % (location_str, section)
+                sectiontext = self.GetSection(section).strip()
+                if sectiontext:
+                    rtcalls += '    ' + \
+                        sectiontext.strip().replace('\n', '\n    ')+"\n"
+                else:
+                    rtcalls += "    pass\n\n"
+        
+        text = """\
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+## Code generated by Beremiz python mixin confnode
+##        
+        
+## Code for PLC global variable access
+%s
+        
+## User code in "global" scope
+%s
 
+## Beremiz python runtime calls
+%s
+
+"""%(   # variables
+        variables_str,
+        # globals
+        self.GetSection("globals"),
+        # Beremiz python runtime functions
+        rtcalls)
+
+        runtimefile_path = os.path.join(buildpath, 
+            "runtime_%s.py"%location_str)
+        runtimefile = open(runtimefile_path, 'w')
+        runtimefile.write(text.encode('utf-8'))
+        runtimefile.close()
+
+        text = """\
+/* 
+ * Code generated by Beremiz py_ext confnode 
+ * for safe global variables access
+ */
+#include "iec_types_all.h"
+"""
+        
+        # Adding variables
+        text += "/* User variables reference */\n"
+        for variable in self.CodeFile.variables.variable:
+            var_infos = {
+                "name": variable.getname(),
+                "global": "%s__%s" % (config.upper(),
+                                      variable.getname().upper()),
+                "type": "__IEC_%s_t" % variable.gettype()}
+            text += "extern %(type)s %(global)s;\n" % var_infos
+            text += "%(type)s __buffer_%(name)s;\n" % var_infos
+        text += "\n"
+        
+        # Adding Beremiz confnode functions
+        text += "/* Beremiz confnode functions */\n"
+        text += "int __init_%s(int argc,char **argv)\n{\n"%location_str
+        text += "/*TODO*/\n"
+        text += "  return 0;\n}\n\n"
+        
+        text += "void __cleanup_%s(void)\n{\n"%location_str
+        text += "/*TODO*/\n"
+        text += "\n}\n\n"
+        
+        text += "void __retrieve_%s(void)\n{\n"%location_str
+        text += "/*TODO*/\n"
+        text += "\n}\n\n"
+        
+        text += "void __publish_%s(void)\n{\n"%location_str
+        text += "/*TODO*/\n"
+        text += "\n}\n\n"
+        
+        Gen_PyCfile_path = os.path.join(buildpath, "PyCFile_%s.c"%location_str)
+        pycfile = open(Gen_PyCfile_path,'w')
+        pycfile.write(text)
+        pycfile.close()
+        
+        matiec_flags = '"-I%s"'%os.path.abspath(
+            self.GetCTRoot().GetIECLibPath())
+        
+        return ([(Gen_PyCfile_path, matiec_flags)],
+                "",
+                False,
+                ("runtime_%s.py"%location_str, file(runtimefile_path,"rb")))
+