On 2 Jun 2008, at 20:44 , Dieter Maurer wrote:
Philipp von Weitershausen wrote at 2008-5-28 21:52 +0200:
Dieter Maurer wrote:
2008-05-24T09:31:32 ERROR Zope.SiteErrorLog http://myurl/error_log/manage_main
Traceback (innermost last):
Module ZPublisher.Publish, line 119, in publish
Module ZPublisher.mapply, line 88, in mapply
Module ZPublisher.Publish, line 42, in call_object
Module Shared.DC.Scripts.Bindings, line 313, in __call__
Module Shared.DC.Scripts.Bindings, line 350, in _bindAndExec
Module Products.PageTemplates.PageTemplateFile, line 129, in _exec
Module Products.PageTemplates.PageTemplate, line 89, in pt_render
Module zope.pagetemplate.pagetemplate, line 117, in pt_render
Module zope.tal.talinterpreter, line 271, in __call__
Module zope.tal.talinterpreter, line 346, in interpret
Module zope.tal.talinterpreter, line 379, in do_startEndTag
Module zope.tal.talinterpreter, line 412, in do_startTag
TypeError: len() of unsized object
As far as I can tell, the code in zope.pagetemplate and zope.tales
has the same traceback information that Products.PageTemplate had.
zope.tal, which contains the TAL interpreter, doesn't have any
supplements, but then again, Zope 2's TAL package doesn't either.
To conclude, I don't think there's a "step backward" at all.
The Zope 2.9 code had traceback support in "PageTemplate.pt_render"
which told us which template was affected.
As you can see in the traceback above, at least this traceback support
is lost in Zope 2.10.
To conclude: "no step backward at all" is incorrect.
Looking at Zope 2.11, the traceback support above seems to have
Furthermore, I could not find the equivalent of the transback
support which formerly was in "Expressions.py" (I found the one
corresponding to "TALES" and "PythonExpr").
Thank you for that careful analysis. I was only comparing Zope 2.9
with Zope 3 (which are AFAICT equivalent in their traceback info) but
I didn't take 2.10 into consideration. I've now filed a bug report at https://bugs.launchpad.net/zope2/+bug/236938
to make sure the issue isn't lost. I will look into it a.s.a.p.
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