1 from django.db import models

     2 

     3 class Place(models.Model):

     4     name = models.CharField(maxlength=50)

     5     address = models.CharField(maxlength=80)

     6 

     7     def __str__(self):

     8         return "%s the place" % self.name

     9 

    10 class Restaurant(models.Model):

    11     place = models.OneToOneField(Place)

    12     serves_hot_dogs = models.BooleanField()

    13     serves_pizza = models.BooleanField()

    14 

    15     def __str__(self):

    16         return "%s the restaurant" % self.place.name

    17 

    18 class Favorites(models.Model):

    19     name = models.CharField(maxlength = 50)

    20     restaurants = models.ManyToManyField(Restaurant)

    21 

    22     def __str__(self):

    23         return "Favorites for %s" % self.name

    24 

    25 __test__ = {'API_TESTS':"""

    26 # Regression test for #1064 and #1506: Check that we create models via the m2m

    27 # relation if the remote model has a OneToOneField.

    28 >>> p1 = Place(name='Demon Dogs', address='944 W. Fullerton')

    29 >>> p1.save()

    30 >>> r = Restaurant(place=p1, serves_hot_dogs=True, serves_pizza=False)

    31 >>> r.save()

    32 >>> f = Favorites(name = 'Fred')

    33 >>> f.save()

    34 >>> f.restaurants = [r]

    35 >>> f.restaurants.all()

    36 [<Restaurant: Demon Dogs the restaurant>]

    37 """}