display a warning message to let user know a cache factory is missing

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@13032 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Cache.py

@@ -30,7 +30,7 @@ import string
 from time import time
 from AccessControl.SecurityInfo import allow_class
 from CachePlugins.BaseCache import CachedMethodError
-from zLOG import LOG
+from zLOG import LOG, WARNING
 
 DEFAULT_CACHE_SCOPE = 'GLOBAL'
 DEFAULT_CACHE_FACTORY = 'erp5_user_interface'
@@ -187,6 +187,7 @@ class CachingMethod:
               *args, **kwd)
     except KeyError:
       ## no caching enabled for this site or no such cache factory
+      LOG("Cache.__call__", WARNING, "Factory %s not found, method %s execute without cache" %(self.cache_factory, self.callable_object))
       value = self.callable_object(*args, **kwd)
     return value