[Zope-xml] ParsedXML and Zope 2.5.0

[Christopher N. Deckard]

FYI to all,
The cAccessControl.c patch seems to work for zope 2.5.0 and the
ParsedXML out of CVS.  It also seems to be working with the latest
stable ParsedXML.  I finally had time to try it all out and it works
great.

-Chris

Martijn Faassen wrote:
> 
> Hi there,
> 
> That's a known problem in Zope 2.5.0, introduced with Zope 2.5's security
> optimizations (cAccessControl). As a temporary fix you can set the
> environment variable ZOPE_SECURITY_POLICY to PYTHON; for instance on
> Linux I do this before starting Zope:
> 
> export ZOPE_SECURITY_POLICY=PYTHON
> 
> This disables the new cAccessControl.
> 
> We had some issues getting the problem reproduced; today I finally
> found out it doesn't occur if you place a ParsedXML object into the
> Zope root, but does crash if you put it in a folder somewhere. This
> discovery enabled Matt Kromer to come up with this patch to cAccessControl;
> when I applied it the crashing behavior disappeared.
> 
> If you or anyone else can try it out (it's just an added Py_INCREF
> at the right place) then I'd be grateful. :)
> 
> Index: cAccessControl.c
> ===================================================================
> RCS file: /cvs-repository/Zope/lib/python/AccessControl/cAccessControl.c,v
> retrieving revision 1.13
> diff -u -r1.13 cAccessControl.c
> --- cAccessControl.c    11 Jan 2002 17:14:27 -0000      1.13
> +++ cAccessControl.c    1 Feb 2002 17:27:31 -0000
> @@ -1703,6 +1703,7 @@
>                 Py_DECREF(r);
>                 r = self->__roles__;
>                 if (r == NULL) goto err;
> +               Py_INCREF(r);
>         }
> 
>         /*|
> 
> _______________________________________________
> Zope-xml mailing list
> Zope-xml at zope.org
> http://lists.zope.org/mailman/listinfo/zope-xml

-- 
--------------------------------------------------------------------
    Christopher N. Deckard      |     Lead Web Systems Developer
      cnd at ecn.purdue.edu        |    Engineering Computer Network
  http://www.ecn.purdue.edu/    |         Purdue University 
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