from django.db import models class GenericModel(models.Model): app_name = models.CharField(maxlength=64) model_name = models.CharField(maxlength=64) object_id = models.IntegerField() def get_model_class(self): return models.get_model(self.app_name, self.model_name) def get_this_object(self): return self.get_model_class()._default_manager.get(**kwargs) def __str__(self): return self.get_this_object().__str__()