diff -r 2a70d5240300 -r 21164625b393 IDEFrame.py
--- a/IDEFrame.py	Fri Nov 23 11:01:20 2018 +0100
+++ b/IDEFrame.py	Fri Nov 23 12:13:24 2018 +0100
@@ -23,14 +23,17 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 from __future__ import absolute_import
+from __future__ import division
 import sys
-import cPickle
-from types import TupleType
 import base64
+from future.builtins import \
+    round, \
+    str as text
 
 import wx
 import wx.grid
 import wx.aui
+from six.moves import cPickle, xrange
 
 from editors.EditorPanel import EditorPanel
 from editors.SFCViewer import SFC_Viewer
@@ -108,7 +111,7 @@
 def DecodeFileSystemPath(path, is_base64=True):
     if is_base64:
         path = base64.decodestring(path)
-    return unicode(path, sys.getfilesystemencoding())
+    return text(path, sys.getfilesystemencoding())
 
 
 def AppendMenu(parent, help, id, kind, text):
@@ -200,22 +203,22 @@
             raise ValueError("Not possible")
         if tab["size"][0] == rect.width:
             if tab["pos"][1] == rect.y:
-                split = (wx.TOP, float(tab["size"][1]) / float(rect.height))
+                split = (wx.TOP, tab["size"][1] / rect.height)
                 split_rect = wx.Rect(rect.x, rect.y + tab["size"][1] + TAB_BORDER,
                                      rect.width, rect.height - tab["size"][1] - TAB_BORDER)
             elif tab["pos"][1] == rect.height + 1 - tab["size"][1]:
-                split = (wx.BOTTOM, 1.0 - float(tab["size"][1]) / float(rect.height))
+                split = (wx.BOTTOM, 1.0 - tab["size"][1] / rect.height)
                 split_rect = wx.Rect(rect.x, rect.y,
                                      rect.width, rect.height - tab["size"][1] - TAB_BORDER)
             split_id = idx
             break
         elif tab["size"][1] == rect.height:
             if tab["pos"][0] == rect.x:
-                split = (wx.LEFT, float(tab["size"][0]) / float(rect.width))
+                split = (wx.LEFT, tab["size"][0] / rect.width)
                 split_rect = wx.Rect(rect.x + tab["size"][0] + TAB_BORDER, rect.y,
                                      rect.width - tab["size"][0] - TAB_BORDER, rect.height)
             elif tab["pos"][0] == rect.width + 1 - tab["size"][0]:
-                split = (wx.RIGHT, 1.0 - float(tab["size"][0]) / float(rect.width))
+                split = (wx.RIGHT, 1.0 - tab["size"][0] / rect.width)
                 split_rect = wx.Rect(rect.x, rect.y,
                                      rect.width - tab["size"][0] - TAB_BORDER, rect.height)
             split_id = idx
@@ -833,7 +836,7 @@
         return None
 
     def LoadTabLayout(self, notebook, tabs, mode="all", first_index=None):
-        if isinstance(tabs, ListType):
+        if isinstance(tabs, list):
             if len(tabs) == 0:
                 return
             raise ValueError("Not supported")
@@ -2435,7 +2438,7 @@
 
         result = self.Controler.PastePou(pou_type, pou_xml)
 
-        if not isinstance(result, TupleType):
+        if not isinstance(result, tuple):
             self.ShowErrorMessage(result)
         else:
             self._Refresh(TITLE, EDITORTOOLBAR, FILEMENU, EDITMENU, PROJECTTREE, LIBRARYTREE)
@@ -2591,7 +2594,7 @@
 
 
 def UPPER_DIV(x, y):
-    return (x / y) + {True: 0, False: 1}[(x % y) == 0]
+    return (x // y) + {True: 0, False: 1}[(x % y) == 0]
 
 
 class GraphicPrintout(wx.Printout):
@@ -2638,8 +2641,8 @@
         ppiPrinterX, ppiPrinterY = self.GetPPIPrinter()
         pw, ph = self.GetPageSizePixels()
         dw, dh = dc.GetSizeTuple()
-        Xscale = (float(dw) * float(ppiPrinterX)) / (float(pw) * 25.4)
-        Yscale = (float(dh) * float(ppiPrinterY)) / (float(ph) * 25.4)
+        Xscale = (dw * ppiPrinterX) / (pw * 25.4)
+        Yscale = (dh * ppiPrinterY) / (ph * 25.4)
 
         fontsize = self.FontSize * Yscale
 
@@ -2661,10 +2664,10 @@
 
         # Calculate the position on the DC for centering the graphic
         posX = area_width * ((page - 1) % self.PageGrid[0])
-        posY = area_height * ((page - 1) / self.PageGrid[0])
-
-        scaleX = float(area_width) / float(self.PageSize[0])
-        scaleY = float(area_height) / float(self.PageSize[1])
+        posY = area_height * ((page - 1) // self.PageGrid[0])
+
+        scaleX = area_width / self.PageSize[0]
+        scaleY = area_height / self.PageSize[1]
         scale = min(scaleX, scaleY)
 
         # Set the scale and origin