thirdparty/google_appengine/lib/django/tests/modeltests/m2o_recursive/models.py
changeset 2866 a04b1e4126c4
parent 2864 2e0b0af889be
child 2868 9f7f269383f7
--- a/thirdparty/google_appengine/lib/django/tests/modeltests/m2o_recursive/models.py	Sun Sep 06 23:31:53 2009 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,40 +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(maxlength=20)
-    parent = models.ForeignKey('self', null=True, related_name='child_set')
-
-    def __str__(self):
-        return self.name
-
-__test__ = {'API_TESTS':"""
-# Create a few Category objects.
->>> r = Category(id=None, name='Root category', parent=None)
->>> r.save()
->>> c = Category(id=None, name='Child category', parent=r)
->>> c.save()
-
->>> r.child_set.all()
-[<Category: Child category>]
->>> r.child_set.get(name__startswith='Child')
-<Category: Child category>
->>> print r.parent
-None
-
->>> c.child_set.all()
-[]
->>> c.parent
-<Category: Root category>
-"""}