Vista necesaria para importar objetos

views.py

from django.core import serializers

@login_required
def importar(request):
    assert request.method == 'POST'
    serialized_text = request.POST['import_json']
    
    for obj in serializers.deserialize('json', serialized_text):
        if obj.object.__class__ == ModelOne:
            # haz algo con el modelo
            obj.object.save()
        elif obj.object.__class__ == ModelTwo:
            # haz algo con el modelo
            obj.object.save()

    messages.add_message(request, messages.INFO, u"Importado OK")
    # TODO: usar reverse() para generar URL
    return HttpResponseRedirect('/admin/app/model/')