[Zope-Checkins] CVS: Zope/lib/python/ZPublisher - BeforeTraverse.py:1.11

[Brian Lloyd]

Update of /cvs-repository/Zope/lib/python/ZPublisher
In directory cvs.zope.org:/tmp/cvs-serv5920

Modified Files:
	BeforeTraverse.py 
Log Message:
fix for 641

=== Zope/lib/python/ZPublisher/BeforeTraverse.py 1.10 => 1.11 ===
--- Zope/lib/python/ZPublisher/BeforeTraverse.py:1.10	Wed Aug 14 18:09:40 2002
+++ Zope/lib/python/ZPublisher/BeforeTraverse.py	Tue Jun 17 13:46:36 2003
@@ -14,6 +14,7 @@
 
 """BeforeTraverse interface and helper classes"""
 
+from Acquisition import aq_base
 from zLOG import LOG, ERROR
 import sys
 
@@ -129,7 +130,16 @@
         except AttributeError:
             return
 
-        args = getattr(getattr(meth, 'func_code', None), 'co_argcount', 2)
+        # The code below can acquire "func_code" from an unrelated object
+        # on the acquisition chain.
+        # This happens especially, if "meth" is a "CookieCrumber" instance,
+        # i.e. in a CMF Portal, if a DTMLMethod (or a similar object
+        # with a fake "func_code" is in the acquisition context
+        #args = getattr(getattr(meth, 'func_code', None), 'co_argcount', 2)
+        args = getattr(getattr(aq_base(meth), 'func_code', None),
+                       'co_argcount',
+                       2)
+
         try:
             apply(meth, (container, request, None)[:args])
         except (ArithmeticError, AttributeError, FloatingPointError,