/tests/regressiontests/m2m_through_regress/models.py
Python | 77 lines | 51 code | 21 blank | 5 comment | 0 complexity | 7ce860e12412ea793cb0f9c0182337cc MD5 | raw file
Possible License(s): BSD-3-Clause
- from datetime import datetime
- from django.contrib.auth.models import User
- from django.core import management
- from django.db import models
- # Forward declared intermediate model
- class Membership(models.Model):
- person = models.ForeignKey('Person')
- group = models.ForeignKey('Group')
- price = models.IntegerField(default=100)
- def __unicode__(self):
- return "%s is a member of %s" % (self.person.name, self.group.name)
- # using custom id column to test ticket #11107
- class UserMembership(models.Model):
- id = models.AutoField(db_column='usermembership_id', primary_key=True)
- user = models.ForeignKey(User)
- group = models.ForeignKey('Group')
- price = models.IntegerField(default=100)
- def __unicode__(self):
- return "%s is a user and member of %s" % (self.user.username, self.group.name)
- class Person(models.Model):
- name = models.CharField(max_length=128)
- def __unicode__(self):
- return self.name
- class Group(models.Model):
- name = models.CharField(max_length=128)
- # Membership object defined as a class
- members = models.ManyToManyField(Person, through=Membership)
- user_members = models.ManyToManyField(User, through='UserMembership')
- def __unicode__(self):
- return self.name
- # A set of models that use an non-abstract inherited model as the 'through' model.
- class A(models.Model):
- a_text = models.CharField(max_length=20)
- class ThroughBase(models.Model):
- a = models.ForeignKey(A)
- b = models.ForeignKey('B')
- class Through(ThroughBase):
- extra = models.CharField(max_length=20)
- class B(models.Model):
- b_text = models.CharField(max_length=20)
- a_list = models.ManyToManyField(A, through=Through)
- # Using to_field on the through model
- class Car(models.Model):
- make = models.CharField(max_length=20, unique=True)
- drivers = models.ManyToManyField('Driver', through='CarDriver')
- def __unicode__(self, ):
- return self.make
- class Driver(models.Model):
- name = models.CharField(max_length=20, unique=True)
- def __unicode__(self, ):
- return self.name
- class CarDriver(models.Model):
- car = models.ForeignKey('Car', to_field='make')
- driver = models.ForeignKey('Driver', to_field='name')
- def __unicode__(self, ):
- return u"pk=%s car=%s driver=%s" % (str(self.pk), self.car, self.driver)