I got hit by this same bug and here's the workaround I used, for
future reference. Basically you need to specify a formfield_callback
kwarg to modelformset_factory that just passes along any kwargs it
receives (namely, in this case, the 'widget' argument) to
Field.formfield():
def create_formfield(f, **kwargs):
return f.formfield(**kwargs)
ArticleFormSet = modelformset_factory(Article,
form = ArticleForm,
formfield_callback=create_formfield,
extra=0)
On Jul 29, 11:33 am, Jason <goodri...@gmail.com> wrote:
> Can anyone confirm that passing in a form with Meta.widgets set to
> modelformset_factory() does in fact work?
>
> I've tried stripping my code down to the basics and still get the same
> exception. Debugging Django code doesn't help me because it fails
> during a lamda function that I don't quite understand.
>
> If anyone else has this problem I'll go ahead and submit a bug report.
>
> On Jul 28, 12:50 pm, Jason <goodri...@gmail.com> wrote:
>
>
>
> > Traceback:
> > File "C:\Python25\lib\site-packages\django\core\handlers\base.py" in
> > get_response
> > 100. response = callback(request,
> > *callback_args, **callback_kwargs)
> > File "C:\Documents and Settings\goodrich\PycharmProjects\CCC\Aggregator
> > \newsmail\views.py" in manage_articles
> > 174. form = ArticleForm)
> > File "C:\Python25\lib\site-packages\django\forms\models.py" in
> > modelformset_factory
> > 669.
> > formfield_callback=formfield_callback)
> > File "C:\Python25\lib\site-packages\django\forms\models.py" in
> > modelform_factory
> > 407. return ModelFormMetaclass(class_name, (form,),
> > form_class_attrs)
> > File "C:\Python25\lib\site-packages\django\forms\models.py" in __new__
> > 220. opts.exclude,
> > opts.widgets, formfield_callback)
> > File "C:\Python25\lib\site-packages\django\forms\models.py" in
> > fields_for_model
> > 178. formfield = formfield_callback(f, **kwargs)
>
> > Exception Type: TypeError at /newsmail/manage/
> > Exception Value: <lambda>() got an unexpected keyword argument
> > 'widget'
>
> > On Jul 28, 12:00 pm, Daniel Roseman <dan...@roseman.org.uk> wrote:
>
> > > On Jul 28, 7:08 pm, Jason <goodri...@gmail.com> wrote:
>
> > > > For example:
>
> > > > class ArticleForm(ModelForm):
> > > > class Meta:
> > > > model = Article
> > > > widgets = {
> > > > 'pub_date': SplitSelectDateTimeWidget(),
> > > > 'expire_date': CalendarWidget(attrs={'class':'date-
> > > > pick'})
> > > > }
>
> > > > And in a view function:
> > > > ...
> > > > ArticleFormSet = modelformset_factory(Article,
> > > > form = ArticleForm,
> > > > extra=0)
> > > > ...
>
> > > > Removing 'widgets' from the Meta in ArticleForm fixes the error.
>
> > > > The new widgets convention here is really handy. I don't want to lose
> > > > it!
>
> > > > Any tips?
>
> > > How does it fail? What error do you get? If there's a traceback,
> > > please post it here.
> > > --
> > > DR.
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