viewmodel.py 文件源码

def _copy(self, id):

        from django.forms import model_to_dict

        instance = BKPPic.objects.get(id=id)
        kwargs = model_to_dict(instance, exclude=['id', 'status'])
        new_instance = BKPPic.objects.create(**kwargs)

        # copy targets
        targets = BKPTarget.objects.filter(bkp_pic_id=id).all()
        for t in targets:
            t.id = None
            t.bkp_pic_id = new_instance.id
            t.save()

        return ('msg', '????')