[Zope] Zope 2.8.0 monkey patch issue

[Tino Wildenhain]

Am Montag, den 13.06.2005, 12:26 +0200 schrieb Bernd Dorn:
> Pascal Peregrina wrote:
> > Hi,
> > 
> > I am trying to migrate from Zope 2.7.6 to 2.8.0
> > 
> > In some product I did, I need to monkey patch some OFS and CMF classes (I do
> > this in product init).
> > 
> > I get this error whenever I try to do
> > <someclass>.__dict__[<someclassattributename>]=<newvalue> :
> > TypeError: object does not support item assignment
> 
> 'got the same problem
> 
> use:
> setattr(<someclass>,<someclassattributename>,<newvalue>)
> 
> must be something about the new implementation of extensionclass

Yes, something... I wonder whats the difference - since I do it 
similar (setattr) in my history monkey patch. However in 2.8:

Traceback (innermost last):

Module ZPublisher.Publish, line 113, in publish
111 |                      missing_name,
112 |                      dont_publish_class,
113>|                      request, bind=1)
114 |
115 |        if result is not response:

Module ZPublisher.mapply, line 88, in mapply
086 |
087 |    args=tuple(args)
088>|    if debug is not None: return debug(object,args,context)
089 |    else: return object(*args)

Module ZPublisher.Publish, line 40, in call_object
038 |
039 |def call_object(object, args, request):
040>|    result=apply(object,args) # Type s<cr> to step into published object.
041 |    return result
042 |

Module Shared.DC.Scripts.Bindings, line 311, in __call__
309 |    def __call__(self, *args, **kw):
310 |        '''Calls the script.'''
311>|        return self._bindAndExec(args, kw, None)
312 |
313 |    def __render_with_namespace__(self, namespace):

Module Shared.DC.Scripts.Bindings, line 348, in _bindAndExec
346 |                exec bindcode
347 |                bound_data = bound_data[0]
348>|            return self._exec(bound_data, args, kw)
349 |        finally:
350 |            security.removeContext(self)

Module App.special_dtml, line 175, in _exec
173 |            value = self.ZDocumentTemplate_beforeRender(ns, _marker)
174 |            if value is _marker:
175>|                try: result = render_blocks(self._v_blocks, ns)
176 |                except DTReturn, v: result = v.v
177 |                except AttributeError:
TypeError: unbound method manage_change_history() must be called with Historical instance as first argument (got nothing instead)


The patch is available here:
http://www.zope.org/Members/tino/PatchHistory/view

if someone likes to try.