@admin.register(ModelAdmin)
class ModelAdmin(admin.ModelAdmin):
def save_formset(self, request, form, formset, change):
instances = formset.save(commit=False)
for instance in instances:
if instance.foreign_key is None:
content = "장고 메시지 기능을 추가"
messages.add_message(request, messages.ERROR, content)
return
instance.save()
formset.save_m2m()
https://stackoverflow.com/questions/8294889/override-save-on-django-inlinemodeladmin