getVariationCategoryItemList: renderer for category list can be created once

renderer is the same object in each loop step. It can be created once outside
of the loop and reused instead of reinstanciating a new Renderer each time


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31505 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Transformation.py

@@ -200,6 +200,12 @@ class Transformation(XMLObject, Predicate, Variated):
       if base_category_list == ():
         base_category_list = self.getVariationBaseCategoryList()
 
+      category_renderer = Renderer(
+                             is_right_display=0,
+                             display_none_category=0, base=base,
+                             current_category=current_category,
+                             display_id='logical_path', **kw)
+
       for base_category in base_category_list:
         variation_category_list = self.getVariationCategoryList(
                                             base_category_list=[base_category])
@@ -213,12 +219,9 @@ class Transformation(XMLObject, Predicate, Variated):
           else:
             object_list.append(resource)
 
-        variation_category_item_list.extend(Renderer(
-                               is_right_display=0,
-                               display_none_category=0, base=base,
-                               current_category=current_category,
-                               display_id='logical_path',**kw).\
-                                                 render(category_list))
+        variation_category_item_list.extend(category_renderer.\
+                                              render(category_list))
+
         variation_category_item_list.extend(Renderer(
                                is_right_display=0,
                                base_category=base_category,