thirdparty/google_appengine/lib/django/tests/modeltests/m2m_multiple/models.py
changeset 2866 a04b1e4126c4
parent 2864 2e0b0af889be
child 2868 9f7f269383f7
--- a/thirdparty/google_appengine/lib/django/tests/modeltests/m2m_multiple/models.py	Sun Sep 06 23:31:53 2009 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,79 +0,0 @@
-"""
-20. Multiple many-to-many relationships between the same two tables
-
-In this example, an Article can have many Categories (as "primary") and many
-Categories (as "secondary").
-
-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)
-    class Meta:
-       ordering = ('name',)
-
-    def __str__(self):
-        return self.name
-
-class Article(models.Model):
-    headline = models.CharField(maxlength=50)
-    pub_date = models.DateTimeField()
-    primary_categories = models.ManyToManyField(Category, related_name='primary_article_set')
-    secondary_categories = models.ManyToManyField(Category, related_name='secondary_article_set')
-    class Meta:
-       ordering = ('pub_date',)
-
-    def __str__(self):
-        return self.headline
-
-__test__ = {'API_TESTS':"""
->>> from datetime import datetime
-
->>> c1 = Category(name='Sports')
->>> c1.save()
->>> c2 = Category(name='News')
->>> c2.save()
->>> c3 = Category(name='Crime')
->>> c3.save()
->>> c4 = Category(name='Life')
->>> c4.save()
-
->>> a1 = Article(headline='Area man steals', pub_date=datetime(2005, 11, 27))
->>> a1.save()
->>> a1.primary_categories.add(c2, c3)
->>> a1.secondary_categories.add(c4)
-
->>> a2 = Article(headline='Area man runs', pub_date=datetime(2005, 11, 28))
->>> a2.save()
->>> a2.primary_categories.add(c1, c2)
->>> a2.secondary_categories.add(c4)
-
->>> a1.primary_categories.all()
-[<Category: Crime>, <Category: News>]
-
->>> a2.primary_categories.all()
-[<Category: News>, <Category: Sports>]
-
->>> a1.secondary_categories.all()
-[<Category: Life>]
-
-
->>> c1.primary_article_set.all()
-[<Article: Area man runs>]
->>> c1.secondary_article_set.all()
-[]
->>> c2.primary_article_set.all()
-[<Article: Area man steals>, <Article: Area man runs>]
->>> c2.secondary_article_set.all()
-[]
->>> c3.primary_article_set.all()
-[<Article: Area man steals>]
->>> c3.secondary_article_set.all()
-[]
->>> c4.primary_article_set.all()
-[]
->>> c4.secondary_article_set.all()
-[<Article: Area man steals>, <Article: Area man runs>]
-"""}