Py3: more fix "err has no attribute message"

CompoundFilter2.py

@@ -214,7 +214,7 @@ class _ViewProviderCompoundFilter:
                 if self.Object.Stencil:
                     self.Object.Stencil.ViewObject.show()
             except Exception as err:
-                App.Console.PrintError("Error in onDelete: " + err.message)
+                App.Console.PrintError("Error in onDelete: " + str(err))
         return True
 
 def CreateCompoundFilter(name):

FuseCompound2.py

@@ -95,7 +95,7 @@ class _ViewProviderFuseCompound:
         try:
             screen(self.Object.Base).ViewObject.show()
         except Exception as err:
-            FreeCAD.Console.PrintError("Error in onDelete: " + err.message)
+            FreeCAD.Console.PrintError("Error in onDelete: " + str(err))
         return True
 
 # -------------------------- /document object --------------------------------------------------

lattice2BaseFeature.py

@@ -290,7 +290,7 @@ class ViewProviderLatticeFeature:
                         child.ViewObject.show()
         except Exception as err:
             # catch all exceptions, because we don't want to prevent deletion if something goes wrong
-            FreeCAD.Console.PrintError("Error in onDelete: " + err.message)
+            FreeCAD.Console.PrintError("Error in onDelete: " + str(err))
         return True
 
 

lattice2Downgrade.py

@@ -168,7 +168,7 @@ class _ViewProviderLatticeDowngrade:
         try:
             screen(self.Object.Base).ViewObject.show()
         except Exception as err:
-            FreeCAD.Console.PrintError("Error in onDelete: " + err.message)
+            FreeCAD.Console.PrintError("Error in onDelete: " + str(err))
         return True
 
 

lattice2Executer.py

@@ -41,7 +41,7 @@ def executeFeature(obj):
         raise
     except Exception as err:
         try:
-            error(obj,err.message)
+            error(obj,str(err))
         except CancelError:
             obj.Document.abortTransaction()
             raise            
@@ -97,4 +97,5 @@ def _showMsg(obj, message, forceMessage, _type):
 class CancelError(Exception):
     def __init__(self):
         self.message = "Canceled by user"
+        self.args = (self.message,)
         self.isCancelError = True

lattice2ExposeLinkSub.py

@@ -90,10 +90,8 @@ def cmdExposeLinkSubs():
                     ExposeLinkSub(obj, propname)
                     cnt += 1
                 except Exception as err:
-                    Executer.warning(None,"Attempting to expose sublink property %prop of %feat caused an error:\n%err"
-                                          .replace("%prop",propname)
-                                          .replace("%feat",obj.Name)
-                                          .replace("%err",err.message)   )
+                    Executer.warning(None,"Attempting to expose sublink property {prop} of {feat} caused an error:\n{err}"
+                                          .format(prop= propname, feat= obj.Name, err= str(err))   )
         if cnt == 0:
             raise ValueError("No links to expose were found.")
     except Exception:

lattice2Markers.py

@@ -70,7 +70,7 @@ def loadShape(shapeID):
                 sh = sh.childShapes()[0]
             f.close()
         except Exception as err:
-            FreeCAD.Console.PrintError('Failed to load standard shape "'+shapeID+'". \n' + err.message + '\n')
+            FreeCAD.Console.PrintError('Failed to load standard shape "'+shapeID+'". \n' + str(err) + '\n')
             sh = Part.Point() #Create at least something!
         _ShapeDict[shapeID] = sh
     return sh

lattice2ParaSeries.py

@@ -147,7 +147,7 @@ class LatticeParaSeries(lattice2BaseFeature.LatticeFeature):
                     App.Console.PrintError("{obj}: failed to read out parameter '{param}': {err}\n"
                                             .format(obj= selfobj.Name,
                                                     param= refstr,
-                                                    err= err.message))
+                                                    err= str(err)))
                 defvalues.append(val)
             N_params = len(defvalues)
             if N_params == 0:

lattice2Slice.py

@@ -132,7 +132,7 @@ class ViewProviderLatticeSlice:
             screen(self.Object.Base).ViewObject.show()
             screen(self.Object.Tool).ViewObject.show()
         except Exception as err:
-            FreeCAD.Console.PrintError("Error in onDelete: " + err.message)
+            FreeCAD.Console.PrintError("Error in onDelete: " + str(err))
         return True
 
 # -------------------------- /document object --------------------------------------------------

lattice2SubstituteObject.py

@@ -106,7 +106,7 @@ class CommandSubstituteObject:
                 mb = QtGui.QMessageBox()
                 mb.setIcon(mb.Icon.Warning)
                 mb.setText(translate("Lattice2_SubstituteObject", "An error occured while substituting object:", None)+ u"\n"
-                               + unicode(err.message))
+                               + str(err))
                 mb.setWindowTitle(translate("Lattice2_SubstituteObject","Error", None))
                 mb.exec_()
                 App.ActiveDocument.abortTransaction()
@@ -119,7 +119,7 @@ class CommandSubstituteObject:
                 sel[0].Object.ViewObject.Visibility = True
                 sel[1].Object.ViewObject.Visibility = old_was_visible
             except Exception as err:
-                App.Console.PrintError("SubstituteFeature: error when changing visibilities: "+err.message+"\n")
+                App.Console.PrintError("SubstituteFeature: error when changing visibilities: "+str(err)+"\n")
         else:
             mb = QtGui.QMessageBox()
             mb.setIcon(mb.Icon.Warning)