Just found the culprit:
'form-INITIAL_FORMS': u'1', it must be 2.
On Tuesday, April 9, 2013 1:09:10 PM UTC+8, Nora Olsen wrote:
>
>
> The following snippet is returning an empty dictionary for the 2nd form:
>
>
>
>> dct = {'form-0-attachment': u'',
>> 'form-0-id': u'1',
>> 'form-0-name': u'1',
>> 'form-1-attachment': u'',
>> 'form-1-id': u'2',
>> 'form-1-name': u'2',
>> 'form-INITIAL_FORMS': u'1',
>> 'form-MAX_NUM_FORMS': u'1000',
>> 'form-TOTAL_FORMS': 2}
>> PictureFormSet = formset_factory(PictureForm)
>> picture_formset = PictureFormSet(dct, None,
>> initial = [ model_to_dict(a) for a in
>> Picture.objects.filter(pk__in = [1,2])])
>> for form in picture_formset.forms:
>> if form.is_valid():
>> print form.cleaned_data
>> print '-------------------'
>> Output:
>> {'id': 1, 'name': u'1', 'attachment': None}
>> -------------------
>> {}
>> -------------------
>
>
> How does initial work with data= in a formset? Without the initial, there
> will be cleaned data for the 2nd form.
>
> I'm trying to use self.changed_data in my form to determine whether which
> value has changed.
>
>
>
>
>
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