[Zope-CMF] Re: portal discussion and folder like object

Thu Apr 15 19:09:09 EDT 2004

Joseph Kocherhans wrote:
> Dieter Maurer wrote: 
>> Sylvain Thénault wrote at 2003-1-27 15:18 +0100:
>>  > I've a problemn trying to allow discussion on folder like objects. The
>>  > problem is that discussion items may not be attached to the correct
>>  > folder since the folder may acquire its 'talkback' attribute.
>>  > I've filled a bug to the collector (http://collector.zope.org/CMF/119)
>>  > and tried to wrote a patch but my patch seems to break the discussion
>>  > mecanism in another point when it tries to reconstruct thread.
>>  >   > Any idea on this ?
>> You "hasattr(aq_base(folder),'talkback')" to check
>> whether "folder" as a "talkback" and if it has, use
>> "folder.talkback" to access it.
> 
> 
> Did anyone ever try this out? I'm running into the same problem. The 
> collector issue is still open and I don't see anything in the cvs logs, 
> so I assume it was never resolved. I'll try incorporating Dieter's fix 
> sometime soon, and if it works I'll add the patch(es) to the collector. 
> Of course if someone else has already tried this it'd be nice to save 
> some time ;)

I incorporated Deiter's suggestion. It works unless you reply to a 
discussion item. I found the discussion threads error that others have 
been getting... still trying to track down the root of it. I think it 
has something to do with CMFDefault.DiscussionItem._getDiscussable(). 
Here's the traceback for the archives:

2004-04-15T16:40:57 ERROR(200) SiteError 
http://127.0.0.1:8080/testing/nviss/YthAcc/talkback/1082068398
Traceback (most recent call last):
   File "C:\Program Files\Zope-2.7.0\lib\python\ZPublisher\Publish.py", 
line 100, in publish
     request, bind=1)
   File "C:\Program Files\Zope-2.7.0\lib\python\ZPublisher\mapply.py", 
line 88, in mapply
     if debug is not None: return debug(object,args,context)
   File "C:\Program Files\Zope-2.7.0\lib\python\ZPublisher\Publish.py", 
line 40, in call_object
     result=apply(object,args) # Type s<cr> to step into published object.
   File "C:\zope\instance1\Products\CMFCore\PortalContent.py", line 116, 
in __call__
     return view()
   File "C:\Program 
Files\Zope-2.7.0\lib\python\Shared\DC\Scripts\Bindings.py", line 306, in 
__call__
     return self._bindAndExec(args, kw, None)
   File "C:\Program 
Files\Zope-2.7.0\lib\python\Shared\DC\Scripts\Bindings.py", line 343, in 
_bindAndExec
     return self._exec(bound_data, args, kw)
   File "C:\zope\instance1\Products\CMFCore\FSPageTemplate.py", line 
191, in _exec
     result = self.pt_render(extra_context=bound_names)
   File "C:\zope\instance1\Products\CMFCore\FSPageTemplate.py", line 
124, in pt_render
     result = FSPageTemplate.inheritedAttribute('pt_render')(
   File "C:\Program 
Files\Zope-2.7.0\lib\python\Products\PageTemplates\PageTemplate.py", 
line 96, in pt_render
     tal=not source, strictinsert=0)()
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 189, in __call__
     self.interpret(self.program)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 218, in interpret
     def interpret(self, program):
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 233, in interpret
     handlers[opcode](self, args)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 663, in do_useMacro
     self.interpret(macro)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 233, in interpret
     handlers[opcode](self, args)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 408, in do_optTag_tal
     self.do_optTag(stuff)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 393, in do_optTag
     return self.no_tag(start, program)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 388, in no_tag
     self.interpret(program)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 233, in interpret
     handlers[opcode](self, args)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 686, in do_defineSlot
     self.interpret(slot)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 233, in interpret
     handlers[opcode](self, args)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 408, in do_optTag_tal
     self.do_optTag(stuff)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 393, in do_optTag
     return self.no_tag(start, program)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 388, in no_tag
     self.interpret(program)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 233, in interpret
     handlers[opcode](self, args)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 629, in do_condition
     self.interpret(block)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 233, in interpret
     handlers[opcode](self, args)
   File "C:\Program Files\Zope-2.7.0\lib\python\TAL\TALInterpreter.py", 
line 561, in do_insertStructure_tal
     structure = self.engine.evaluateStructure(expr)
   File "C:\Program 
Files\Zope-2.7.0\lib\python\Products\PageTemplates\TALES.py", line 220, 
in evaluate
     return expression(self)
   File "C:\Program 
Files\Zope-2.7.0\lib\python\Products\PageTemplates\Expressions.py", line 
198, in __call__
     def __call__(self, econtext):
   File "C:\Program 
Files\Zope-2.7.0\lib\python\Products\PageTemplates\Expressions.py", line 
201, in __call__
     return self._eval(econtext)
   File "C:\Program 
Files\Zope-2.7.0\lib\python\Products\PageTemplates\Expressions.py", line 
196, in _eval
     return render(ob, econtext.vars)
   File "C:\Program 
Files\Zope-2.7.0\lib\python\Products\PageTemplates\Expressions.py", line 
95, in render
     ob = call_with_ns(ob.__render_with_namespace__, ns)
   File "C:\Program 
Files\Zope-2.7.0\lib\python\Products\PageTemplates\ZRPythonExpr.py", 
line 73, in call_with_ns
     return f(td)
   File "C:\zope\instance1\Products\CMFCore\FSPythonScript.py", line 99, 
in __render_with_namespace__
     return Script.__render_with_namespace__(self, namespace)
   File "C:\Program 
Files\Zope-2.7.0\lib\python\Shared\DC\Scripts\Bindings.py", line 320, in 
__render_with_namespace__
     return self._bindAndExec((), namevals, namespace)
   File "C:\Program 
Files\Zope-2.7.0\lib\python\Shared\DC\Scripts\Bindings.py", line 343, in 
_bindAndExec
     return self._exec(bound_data, args, kw)
   File "C:\zope\instance1\Products\CMFCore\FSPythonScript.py", line 
160, in _exec
     result = apply(f, args, kw)
   File "Script (Python)", line 3, in aboveInThread
   File "C:\zope\instance1\Products\CMFDefault\DiscussionItem.py", line 
169, in parentsInThread
     assert not parent in parents  # sanity check
AssertionError