Be stricter when 2 FS Document/Tool have same name

product/ERP5Type/Utils.py

@@ -963,27 +963,13 @@ def registerDocumentClass(module_name, class_name):
   old_value = document_class_registry.get(class_name)
   new_value = "%s.%s" % (module_name, class_name)
 
-  if old_value is not None:
-    old_was_erp5 = old_value.startswith('Products.ERP5')
-    new_is_erp5 = module_name.startswith('Products.ERP5')
-
-    conflict = True
-    if not old_was_erp5:
-      if new_is_erp5:
-        # overwrite the non-erp5 class with the erp5 class
-        # likely to happen with e.g. CMF Category Tool and ERP5 Category Tool
-        LOG('Utils', INFO, 'Replacing non-ERP5 class %s by ERP5 class %s' %
-              (old_value, new_value))
-        conflict = False
-    elif not new_is_erp5:
-      # argh, trying to overwrite an existing erp5 class.
-      LOG('Utils', INFO,
-          'Ignoring replacement of ERP5 class %s by non-ERP5 class %s' %
-            (old_value, new_value))
+  if old_value:
+    if class_name == 'CategoryTool':
+      assert module_name == 'Products.CMFCategory.CategoryTool'
+      LOG('Utils', WARNING,
+          'Ignoring replacement of %s by %s' % (old_value, new_value))
       return
-
-    if conflict:
-      raise TypeError("Class %s and %s from different products have the "
+    raise Exception("Class %s and %s from different products have the "
                     "same name" % (old_value, new_value))
 
   document_class_registry[class_name] = new_value