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from django.conf import settings
from django.contrib.contenttypes.models import ContentType
from django.contrib.contenttypes import generic
from django.db import models, DEFAULT_DB_ALIAS
class Review(models.Model):
source = models.CharField(max_length=100)
content_type = models.ForeignKey(ContentType)
object_id = models.PositiveIntegerField()
content_object = generic.GenericForeignKey()
def __unicode__(self):
return self.source
class Meta:
ordering = ('source',)
class Book(models.Model):
title = models.CharField(max_length=100)
published = models.DateField()
authors = models.ManyToManyField('Author')
reviews = generic.GenericRelation(Review)
def __unicode__(self):
return self.title
class Meta:
ordering = ('title',)
class Author(models.Model):
name = models.CharField(max_length=100)
favourite_book = models.ForeignKey(Book, null=True, related_name='favourite_of')
def __unicode__(self):
return self.name
class Meta:
ordering = ('name',)
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