On Jun 19, 3:23 pm, Huuuze <[EMAIL PROTECTED]> wrote:
> In this example, what if you wanted to selectively remove a value from
> the choice list.
For that you'll have to move the field declaration into the form's
__init__ method::
class SomeForm(forms.ModelForm):
class Meta:
model = SomeModel
def __init__(self, *args, **kwargs):
super(SomeForm, self).__init__(*args, **kwargs)
# Get the base queryset
queryset = YourStateModel.objects.all()
# Don't forget to pass the instance keyword
# when instantiating your form
if self.instance:
# selectively modify or filter the queryset as needed
if self.instance.state == 'processing':
queryset = queryset.exclude(state='new')
self.fields['car'] = forms.ModelChoiceField(queryset,
empty_label=None)
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