On Thu, Jul 9, 2009 at 12:01 PM, Michael Stevens <mpsteven...@gmail.com>wrote:
>
> Hi.
>
> I'm trying to use a model formset.
>
> I've successfully got it rendering data from the database and showing
> it on a form to edit, but I'm now trying to recreate the data in save.
>
> So I've got:
> FooFormset = modelformset_factory(Foo exclude = ['id', 'foo'])
> foo_formset = FooFormset(request.POST, request.FILES,
> queryset=Foo.objects.filter(...))
>
> Without the "request.POST", it works, with the request.POST I get:
>
> Environment:
>
> Request Method: POST
> Request URL: ...
> Django Version: 1.0.2 final
> Python Version: 2.3.4
> Installed Applications:
> [...)
> Installed Middleware:
> ('django.middleware.common.CommonMiddleware',
> 'django.contrib.sessions.middleware.SessionMiddleware',
> 'django.contrib.auth.middleware.AuthenticationMiddleware')
>
>
> Traceback:
> File "/opt/dev/python/modules/django/core/handlers/base.py" in get_response
> 86. response = callback(request, *callback_args,
> **callback_kwargs)
> File "/opt/dev/python/django/.../manager/views.py" in smartad_edit
> 39. foo_formset = FooFormSet(request.POST, request.FILES,
> queryset=Foo.objects.filter(...))
> File "/opt/dev/python/modules/django/forms/models.py" in __init__
> 352. super(BaseModelFormSet, self).__init__(**defaults)
> File "/opt/dev/python/modules/django/forms/formsets.py" in __init__
> 67. self._construct_forms()
> File "/opt/dev/python/modules/django/forms/formsets.py" in _construct_forms
> 76. self.forms.append(self._construct_form(i))
> File "/opt/dev/python/modules/django/forms/models.py" in _construct_form
> 356. kwargs['instance'] = self.get_queryset()[i]
> File "/opt/dev/python/modules/django/db/models/query.py" in __getitem__
> 221. return self._result_cache[k]
>
> Exception Type: IndexError at /...
> Exception Value: list index out of range
>
> I've censored the stack trace a little to remove anything too sensitive.
>
> What am I doing wrong?
>
Are you passing the same queryset in when you create the form for POST as
you did for GET? Without actually looking at the code I think what is
happening here is you have data for more items in the POST dictionary than
you have in your passed queryset.
Karen
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