[Erp5-report] r31508 nicolas.dumazet - /erp5/trunk/products/ERP5/Document/TradeCondition.py

[nobody at svn.erp5.org]

Author: nicolas.dumazet
Date: Tue Dec 29 03:49:22 2009
New Revision: 31508

URL: http://svn.erp5.org?rev=31508&view=rev
Log:
sets: (A minus (A inter B)) can be be rewritten as (A minus B)

Modified:
    erp5/trunk/products/ERP5/Document/TradeCondition.py

Modified: erp5/trunk/products/ERP5/Document/TradeCondition.py
URL: http://svn.erp5.org/erp5/trunk/products/ERP5/Document/TradeCondition.py?rev=31508&r1=31507&r2=31508&view=diff
==============================================================================
--- erp5/trunk/products/ERP5/Document/TradeCondition.py [utf8] (original)
+++ erp5/trunk/products/ERP5/Document/TradeCondition.py [utf8] Tue Dec 29 03:49:22 2009
@@ -148,16 +148,15 @@
           # it is possible, that specialised object cannot be specialised
           # anymore
           continue
-        intersection = set(child_specialised_value_list).intersection(\
+        difference = set(child_specialised_value_list).difference(\
             set(visited_trade_condition_list))
-        for model in child_specialised_value_list:
-          # don't add model that have already been visited. This permit to
-          # visit all the tree and to prevent having circular dependency
-          if model not in intersection:
-            specialise_value_list.append(model)
-            # only add those who matches the portal type given
-            if model in child_visited_trade_condition_list:
-              visited_trade_condition_list.append(model)
+        # don't add model that have already been visited. This permit to
+        # visit all the tree and to prevent having circular dependency
+        for model in difference:
+          specialise_value_list.append(model)
+          # only add those who matches the portal type given
+          if model in child_visited_trade_condition_list:
+            visited_trade_condition_list.append(model)
 
       return visited_trade_condition_list