from django.db import models class AuthTS(models.Model): ts_group_id = models.ForeignKey(TSgroup) auth_group_id = models.ForeignKey(Group) class TSgroup(models.Model): group_id = models.int(primary_key=True) name = models.CharField(max_length=30) class UserTSgroup(model.Model): user_id = models.ForeignKey(User) group_id = model.ManyToManyField(TSgroup)