--- a/PLCOpenEditor.py	Tue Jul 17 21:20:09 2012 +0200
+++ b/PLCOpenEditor.py	Tue Jul 17 21:23:21 2012 +0200
@@ -262,6 +262,19 @@
 #                               Helper Functions
 #-------------------------------------------------------------------------------
 
+import base64
+
+def EncodeFileSystemPath(path, use_base64=True):
+    path = path.encode(sys.getfilesystemencoding())
+    if use_base64:
+        return base64.encodestring(path)
+    return path
+
+def DecodeFileSystemPath(path, is_base64=True):
+    if is_base64:
+        path = base64.decodestring(path)
+    return unicode(path, sys.getfilesystemencoding())
+
 # Compatibility function for wx versions < 2.6
 def AppendMenu(parent, help, id, kind, text):
     if wx.VERSION >= (2, 6, 0):
@@ -783,21 +796,23 @@
         projects = {}
         try:
             if self.Config.HasEntry("projects"):
-                projects = cPickle.loads(str(self.Config.Read("projects")))
+                projects = cPickle.loads(self.Config.Read("projects"))
         except:
             pass
         
-        return projects.get(os.path.realpath(self.Controler.GetFilePath()), {})
+        return projects.get(
+            EncodeFileSystemPath(os.path.realpath(self.Controler.GetFilePath())), {})
     
     def SavePageState(self, page):
         state = page.GetState()
         if state is not None:
             if self.Config.HasEntry("projects"):
-                projects = cPickle.loads(str(self.Config.Read("projects")))
+                projects = cPickle.loads(self.Config.Read("projects"))
             else:
                 projects = {}
             
-            project_infos = projects.setdefault(os.path.realpath(self.Controler.GetFilePath()), {})
+            project_infos = projects.setdefault(
+                 EncodeFileSystemPath(os.path.realpath(self.Controler.GetFilePath())), {})
             editors_state = project_infos.setdefault("editors_state", {})
             
             if page.IsDebugging():
@@ -981,11 +996,12 @@
             projects = {}
             try:
              	if self.Config.HasEntry("projects"):
-                	projects = cPickle.loads(str(self.Config.Read("projects")))
+                	projects = cPickle.loads(self.Config.Read("projects"))
             except:
             	pass
             
-            project_infos = projects.setdefault(os.path.realpath(self.Controler.GetFilePath()), {})
+            project_infos = projects.setdefault(
+                 EncodeFileSystemPath(os.path.realpath(self.Controler.GetFilePath())), {})
             project_infos["tabs"] = self.SaveTabLayout(self.TabsOpened)
             if self.EnableDebug:
                 project_infos["debug_vars"] = self.DebugVariablePanel.GetDebugVariables()
@@ -2667,16 +2683,18 @@
         result = None
         
         # Open the filepath if defined
-        if fileOpen is not None and os.path.isfile(fileOpen):
-            # Create a new controller
-            controler = PLCControler()
-            result = controler.OpenXMLFile(fileOpen)
-            if result is None:
-                self.Controler = controler
-            	self.LibraryPanel.SetController(controler)
-                self.ProjectTree.Enable(True)
-                self.PouInstanceVariablesPanel.SetController(controler)
-                self._Refresh(PROJECTTREE, POUINSTANCEVARIABLESPANEL, LIBRARYTREE)
+        if fileOpen is not None:
+            fileOpen = DecodeFileSystemPath(fileOpen, False)
+            if os.path.isfile(fileOpen):
+                # Create a new controller
+                controler = PLCControler()
+                result = controler.OpenXMLFile(fileOpen)
+                if result is None:
+                    self.Controler = controler
+                    self.LibraryPanel.SetController(controler)
+                    self.ProjectTree.Enable(True)
+                    self.PouInstanceVariablesPanel.SetController(controler)
+                    self._Refresh(PROJECTTREE, POUINSTANCEVARIABLESPANEL, LIBRARYTREE)
         
         # Define PLCOpenEditor icon
         self.SetIcon(wx.Icon(os.path.join(CWD, "Images", "poe.ico"),wx.BITMAP_TYPE_ICO))