from django.db import models from django.contrib.contenttypes import generic from django.contrib.contenttypes.models import ContentType class Award(models.Model): name = models.CharField(max_length=25) object_id = models.PositiveIntegerField() content_type = models.ForeignKey(ContentType) content_object = generic.GenericForeignKey() class AwardNote(models.Model): award = models.ForeignKey(Award) note = models.CharField(max_length=100) class Person(models.Model): name = models.CharField(max_length=25) awards = generic.GenericRelation(Award) class Book(models.Model): pagecount = models.IntegerField() class Toy(models.Model): name = models.CharField(max_length=50) class Child(models.Model): name = models.CharField(max_length=50) toys = models.ManyToManyField(Toy, through='PlayedWith') class PlayedWith(models.Model): child = models.ForeignKey(Child) toy = models.ForeignKey(Toy) date = models.DateField(db_column='date_col') class PlayedWithNote(models.Model): played = models.ForeignKey(PlayedWith) note = models.TextField()