[Zope3-Users] Re: Books example

[Sébastien VINOT]

Kim L. Jacobsen a écrit :
> Philipp,
>
> Regarding this subject... When I try the examples from chapter 7 in your book, I get the following error, when I try to add a Recipe. I simple can't figure out, how to resolve it. Any suggestions?
>
> I'm using Zope 3.2.1
>
> Regards,
> Kim
>
> ---------------------------
>
> Traceback (innermost last):
>   Module zope.publisher.publish, line 138, in publish
>     result = publication.callObject(request, object)
>   Module zope.app.publication.zopepublication, line 161, in callObject
>     return mapply(ob, request.getPositionalArguments(), request)
>   Module zope.publisher.publish, line 113, in mapply
>     return debug_call(object, args)
>    - __traceback_info__: <bound method +.action of <zope.app.publisher.browser.viewmeta.+ object at 0xb58c54ac>>
>   Module zope.publisher.publish, line 119, in debug_call
>     return object(*args)
>   Module zope.app.container.browser.adding, line 128, in action
>     name=view_name) is not None:
>   Module zope.component, line 165, in queryMultiAdapter
>     return sitemanager.queryMultiAdapter(objects, interface, name, default)
>   Module zope.component.site, line 75, in queryMultiAdapter
>     default)
>   Module zope.interface.adapter, line 475, in queryMultiAdapter
>     return factory(*objects)
>   Module zope.app.form.browser.editview, line 64, in __init__
>     self._setUpWidgets()
>   Module zope.app.form.browser.add, line 49, in _setUpWidgets
>     setUpWidgets(self, self.schema, IInputWidget, names=self.fieldNames)
>   Module zope.app.form.utility, line 153, in setUpWidgets
>     context=context)
>   Module zope.app.form.utility, line 101, in setUpWidget
>     widget = widget(field.bind(context), view.request)
>   Module zope.app.form, line 120, in __call__
>     return self._create(args)
>   Module zope.app.form, line 102, in _create
>     instance = self._widget_factory(*args)
> TypeError: __init__() takes exactly 3 arguments (4 given)
>
>  
>   

Hello Kim,

After investigations on the web I found the error :

Change  :"from ... SimpleInputWidget" by :
from zope.app.form.browser.sequencewidget import SequenceWidget

And then replace "class Dyn...(SimpleInputWidget):" by "class 
Dyn(SequenceWidget):"


Sebastien