citavi_mapper/frontend/formsets.py

from django import forms
from frontend.models import Presentation, PresentationEvent, PresentationPerson
from django.forms.models import inlineformset_factory


PresentationPersonInlineFormset = inlineformset_factory(
    Presentation,
    PresentationPerson,
    extra=1,
    can_delete=False,
    widgets={'hshmembership': forms.RadioSelect}
)

PresentationEventInlineFormset = inlineformset_factory(
    Presentation,
    PresentationEvent,
    extra=1,
    can_delete=False
)