Clear SkinsTool cache, because there's only one cache per REQUEST, and with

timer service, we have the same request for potentially multiple portals. 



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@9623 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/CMFActivity/ActivityTool.py

@@ -501,6 +501,14 @@ class ActivityTool (Folder, UniqueObject):
               self.distribute(1)
               #LOG('CMFActivity:', INFO, 'distributingNodes empty! Calling distribute(1)')
           
+          # SkinsTool uses a REQUEST cache to store skin objects, as
+          # with TimerService we have the same REQUEST over multiple
+          # portals, we clear this cache to make sure the cache doesn't
+          # contains skins from another portal.
+          stool = getToolByName(self, 'portal_skins', None)
+          if stool is not None:
+            stool.changeSkin(None)
+          
           # call tic for the current processing_node
           # the processing_node numbers are the indices of the elements in the node tuple +1
           # because processing_node starts form 1