--- lib/python/Products/StandardCacheManagers/RAMCacheManager.py	14 Aug 2002 22:25:12 -0000	1.10
+++ taste/the/fun/RAMCacheManager.py	28 May 2003 07:22:16 -0000
@@ -18,23 +18,20 @@
 '''
 
 
-from OFS.Cache import Cache, CacheManager
+from OFS.Cache import Cache, CacheManager, CacheException
 from OFS.SimpleItem import SimpleItem
 from thread import allocate_lock
 import time
 import Globals
 from Globals import DTMLFile
 
-try: from cPickle import Pickler
-except: from pickle import Pickler
-
-try: from cStringIO import dumps
-except: from pickle import dumps
-
+try: from cPickle import PicklingError, dumps
+except ImportError: from pickle import PicklingError, dumps
+ 
 _marker = []  # Create a new marker object.
 
 
-class CacheException (Exception):
+class CacheEntryError(CacheException):
     '''
     A cache-related exception.
     '''
@@ -52,8 +49,8 @@
             # leaks.  It's also convenient for determining the
             # approximate memory usage of the cache entry.
             self.size = len(dumps(index)) + len(dumps(data))
-        except:
-            raise CacheException('The data for the cache is not pickleable.')
+        except PicklingError:
+            raise CacheEntryError('The data for the cache is not pickleable.')
         self.created = time.time()
         self.data = data
         self.view_name = view_name