diff options
Diffstat (limited to 'parts/django/tests/modeltests/m2o_recursive/models.py')
-rw-r--r-- | parts/django/tests/modeltests/m2o_recursive/models.py | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/parts/django/tests/modeltests/m2o_recursive/models.py b/parts/django/tests/modeltests/m2o_recursive/models.py deleted file mode 100644 index ed9945a..0000000 --- a/parts/django/tests/modeltests/m2o_recursive/models.py +++ /dev/null @@ -1,28 +0,0 @@ -""" -11. Relating an object to itself, many-to-one - -To define a many-to-one relationship between a model and itself, use -``ForeignKey('self')``. - -In this example, a ``Category`` is related to itself. That is, each -``Category`` has a parent ``Category``. - -Set ``related_name`` to designate what the reverse relationship is called. -""" - -from django.db import models - -class Category(models.Model): - name = models.CharField(max_length=20) - parent = models.ForeignKey('self', blank=True, null=True, related_name='child_set') - - def __unicode__(self): - return self.name - -class Person(models.Model): - full_name = models.CharField(max_length=20) - mother = models.ForeignKey('self', null=True, related_name='mothers_child_set') - father = models.ForeignKey('self', null=True, related_name='fathers_child_set') - - def __unicode__(self): - return self.full_name |