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Changing queryset of a ModelChoiceField

Author:
mimog
Posted:
July 7, 2011
Language:
Python
Version:
Not specified
Tags:
dynamic queryset custom ModelChoiceField
Score:
0 (after 1 ratings)

This snippet shows how to add additional parameters to the queryset of a ModelChoiceField, enabling you to for instance filter the query.

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class EventForm(forms.Form):
    events = forms.ModelChoiceField(queryset=Contest.objects.none(), required=True)

    def __init__(self, eventUser, *args, **kwargs):
        super(EventForm, self).__init__(*args, **kwargs)
        self.fields['events'].queryset = Event.objects.filter(user__exact = eventUser.id)

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