revert r29556, this "if" condition exists to avoid instanciation of...

revert r29556, this "if" condition exists to avoid instanciation of CacheFactory without cache plugins

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@29639 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Tool/CacheTool.py

@@ -118,10 +118,12 @@ class CacheTool(BaseTool):
     CachingMethod.factories = {}
     ## read configuration from ZODB
     for key, item in self.getCacheFactoryList().items():
-      ## init cache backend storages
-      for cp in item["cache_plugins"]:
-        cp.initCacheStorage()
-      CachingMethod.factories[key] = CacheFactory(item['cache_plugins'], item['cache_params'])    
+      #If there is no cache_plugins, do not create Cache Factory
+      if item["cache_plugins"]:
+        ## init cache backend storages
+        for cp in item["cache_plugins"]:
+          cp.initCacheStorage()
+        CachingMethod.factories[key] = CacheFactory(item['cache_plugins'], item['cache_params'])
     if REQUEST is not None:
       self.REQUEST.RESPONSE.redirect('cache_tool_configure?manage_tabs_message=Cache updated.')