On Wed, Aug 19, 2009 at 8:30 AM, Janne Peltola <janne.j.pelt...@gmail.com>wrote:
>
> Template rendering fails when both form data and a tuple are passed to
> render_to_response.
>
> Python: 2.6.2; Django: 1.1; Environment: Windows + built-in dev server
>
> I use the standard django.contrib.auth.models.User and .Group models.
>
> View:
>
> class FuksiForm(forms.Form):
> ryhmat = forms.ModelChoiceField(queryset=Group.objects.none(),
> empty_label = "Ei saapunut")
>
> def __init__ (self, qset):
> super(FuksiForm, self).__init__(qset)
> self.fields["ryhmat"].queryset = qset
Janne, I was able to recreate your error with a test app, and made it go
away by *not* passing qset to the super call to __init__ (which is not
expecting a qset argument).
>
>
> def fuksit(request, ohjelma_id):
> if request.method == 'POST': # If the form has been submitted...
> form = FuksiForm(request.POST) # A form bound to the POST
> data
> if form.is_valid(): # All validation rules pass
> msg = 'meh'
> return HttpResponse(msg)
>
> else:
> users =
> User.objects.filter(ryhma__nimi__startswith=ohjelma_id)
>
> groups = Group.objects.filter(name__startswith=ohjelma_id)
>
> form = FuksiForm(qset = groups)
> d = {'form': form, 'pf': users}
>
>
> Template:
>
> <table>
> {% for u in pf %}
> <tr>
> <td>{{ u.first_name }} {{ u.last_name }}</td>
> <td>{{ u.username }}</td>
> <td>{{ form.ryhmat.errors }} <label
> for="id_ryhmat">Ryhma</label>
> {{ form.ryhmat }}</td>
> </tr>
> {% endfor %}
> </table>
I would also expect that instantiating a single form and then repeating it
for each user in users may cause you difficulties when you start submitting
those forms, but I'm not sure about that...
Hope that helps,
Eric
>
>
> This produces: http://users.tkk.fi/jjpelto3/exception.html
>
> When either form or pf are removed from the dictionary, the program
> works fine. However, everything seems to be fine until
> render_to_response when I do debugging in the shell.
>
> I suspect a bug in the rendering handler, since people on #django were
> unable to help either. There are no documented similar cases.
>
> I am utterly perplexed. Please help. :)
>
> >
>
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