Converted to py3k. There's probably some bugs still. So far, I managed to run dupeGuru SE under pyobjc and qt.

qt/pe/app.py

@@ -41,14 +41,14 @@ class File(fs.File):
         fs.File._read_info(self, field)
         if field == 'dimensions':
             try:
-                im = PIL.Image.open(unicode(self.path))
+                im = PIL.Image.open(str(self.path))
                 self.dimensions = im.size
             except IOError:
                 self.dimensions = (0, 0)
-                logging.warning(u"Could not read image '%s'", unicode(self.path))
+                logging.warning("Could not read image '%s'", str(self.path))
     
     def get_blocks(self, block_count_per_side):
-        image = QImage(unicode(self.path))
+        image = QImage(str(self.path))
         image = image.convertToFormat(QImage.Format_RGB888)
         return getblocks(image, block_count_per_side)
     

qt/pe/details_dialog.py

@@ -28,11 +28,11 @@ class DetailsDialog(DetailsDialogBase, Ui_DetailsDialog):
         group = self.app.results.get_group_of_duplicate(dupe)
         ref = group.ref
         
-        self.selectedPixmap = QPixmap(unicode(dupe.path))
+        self.selectedPixmap = QPixmap(str(dupe.path))
         if ref is dupe:
             self.referencePixmap = None
         else:
-            self.referencePixmap = QPixmap(unicode(ref.path))
+            self.referencePixmap = QPixmap(str(ref.path))
         self._updateImages()
     
     def _updateImages(self):

qt/pe/gen.py

@@ -15,7 +15,7 @@ def move(src, dst):
         return
     if op.exists(dst):
         os.remove(dst)
-    print 'Moving %s --> %s' % (src, dst)
+    print('Moving %s --> %s' % (src, dst))
     os.rename(src, dst)
 
 os.chdir('modules')

qt/pe/preferences_dialog.py

@@ -46,7 +46,7 @@ class PreferencesDialog(QDialog, Ui_PreferencesDialog):
         prefs.use_regexp = ischecked(self.useRegexpBox)
         prefs.remove_empty_folders = ischecked(self.removeEmptyFoldersBox)
         prefs.destination_type = self.copyMoveDestinationComboBox.currentIndex()
-        prefs.custom_command = unicode(self.customCommandEdit.text())
+        prefs.custom_command = str(self.customCommandEdit.text())
     
     def resetToDefaults(self):
         self.load(preferences.Preferences())