--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/thirdparty/google_appengine/lib/django/tests/modeltests/m2o_recursive2/models.py	Tue Aug 26 21:49:54 2008 +0000
@@ -0,0 +1,43 @@
+"""
+12. Relating a model to another model more than once
+
+In this example, a ``Person`` can have a ``mother`` and ``father`` -- both of
+which are other ``Person`` objects.
+
+Set ``related_name`` to designate what the reverse relationship is called.
+"""
+
+from django.db import models
+
+class Person(models.Model):
+    full_name = models.CharField(maxlength=20)
+    mother = models.ForeignKey('self', null=True, related_name='mothers_child_set')
+    father = models.ForeignKey('self', null=True, related_name='fathers_child_set')
+
+    def __str__(self):
+        return self.full_name
+
+__test__ = {'API_TESTS':"""
+# Create two Person objects -- the mom and dad in our family.
+>>> dad = Person(full_name='John Smith Senior', mother=None, father=None)
+>>> dad.save()
+>>> mom = Person(full_name='Jane Smith', mother=None, father=None)
+>>> mom.save()
+
+# Give mom and dad a kid.
+>>> kid = Person(full_name='John Smith Junior', mother=mom, father=dad)
+>>> kid.save()
+
+>>> kid.mother
+<Person: Jane Smith>
+>>> kid.father
+<Person: John Smith Senior>
+>>> dad.fathers_child_set.all()
+[<Person: John Smith Junior>]
+>>> mom.mothers_child_set.all()
+[<Person: John Smith Junior>]
+>>> kid.mothers_child_set.all()
+[]
+>>> kid.fathers_child_set.all()
+[]
+"""}