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/tests/regressiontests/m2m_through_regress/models.py

https://code.google.com/p/mango-py/
Python | 77 lines | 51 code | 21 blank | 5 comment | 0 complexity | 7ce860e12412ea793cb0f9c0182337cc MD5 | raw file
Possible License(s): BSD-3-Clause
  1. from datetime import datetime
  2. from django.contrib.auth.models import User
  3. from django.core import management
  4. from django.db import models
  5. # Forward declared intermediate model
  6. class Membership(models.Model):
  7. person = models.ForeignKey('Person')
  8. group = models.ForeignKey('Group')
  9. price = models.IntegerField(default=100)
  10. def __unicode__(self):
  11. return "%s is a member of %s" % (self.person.name, self.group.name)
  12. # using custom id column to test ticket #11107
  13. class UserMembership(models.Model):
  14. id = models.AutoField(db_column='usermembership_id', primary_key=True)
  15. user = models.ForeignKey(User)
  16. group = models.ForeignKey('Group')
  17. price = models.IntegerField(default=100)
  18. def __unicode__(self):
  19. return "%s is a user and member of %s" % (self.user.username, self.group.name)
  20. class Person(models.Model):
  21. name = models.CharField(max_length=128)
  22. def __unicode__(self):
  23. return self.name
  24. class Group(models.Model):
  25. name = models.CharField(max_length=128)
  26. # Membership object defined as a class
  27. members = models.ManyToManyField(Person, through=Membership)
  28. user_members = models.ManyToManyField(User, through='UserMembership')
  29. def __unicode__(self):
  30. return self.name
  31. # A set of models that use an non-abstract inherited model as the 'through' model.
  32. class A(models.Model):
  33. a_text = models.CharField(max_length=20)
  34. class ThroughBase(models.Model):
  35. a = models.ForeignKey(A)
  36. b = models.ForeignKey('B')
  37. class Through(ThroughBase):
  38. extra = models.CharField(max_length=20)
  39. class B(models.Model):
  40. b_text = models.CharField(max_length=20)
  41. a_list = models.ManyToManyField(A, through=Through)
  42. # Using to_field on the through model
  43. class Car(models.Model):
  44. make = models.CharField(max_length=20, unique=True)
  45. drivers = models.ManyToManyField('Driver', through='CarDriver')
  46. def __unicode__(self, ):
  47. return self.make
  48. class Driver(models.Model):
  49. name = models.CharField(max_length=20, unique=True)
  50. def __unicode__(self, ):
  51. return self.name
  52. class CarDriver(models.Model):
  53. car = models.ForeignKey('Car', to_field='make')
  54. driver = models.ForeignKey('Driver', to_field='name')
  55. def __unicode__(self, ):
  56. return u"pk=%s car=%s driver=%s" % (str(self.pk), self.car, self.driver)