Expose the original __init__ method of cache entry.

I know some tests where we test scripts that are caching some classes defined in the script itself. It works fine, but this patch reports them as an error.
This gives an opportunity to unapply this monkey patch in the rare case it's needed.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@43809 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/tests/ERP5TypeTestCase.py

@@ -1315,12 +1315,13 @@ def fortify():
   '''
   # check that we don't store persistent objects in cache
   from Products.ERP5Type.CachePlugins.BaseCache import CacheEntry
-  CacheEntry__init__ = CacheEntry.__init__
+  CacheEntry.__original_init__ = CacheEntry.__init__
   def __init__(self, value, *args, **kw):
     # this will raise TypeError if you try to cache a persistent object
     dumps(value)
-    CacheEntry__init__(self, value, *args, **kw)
+    return self.__original_init__(value, *args, **kw)
   CacheEntry.__init__ = __init__
+
   # randomize priorities of activities in a deterministic way
   seed = os.environ.get("random_activity_priority")
   if seed is not None: