--- a/thirdparty/google_appengine/lib/django/tests/modeltests/serializers/models.py	Sun Sep 06 23:31:53 2009 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,162 +0,0 @@
-"""
-41. Serialization
-
-``django.core.serializers`` provides interfaces to converting Django querysets
-to and from "flat" data (i.e. strings).
-"""
-
-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 Author(models.Model):
-    name = models.CharField(maxlength=20)
-
-    class Meta:
-        ordering = ('name',)
-    
-    def __str__(self):
-        return self.name
-
-class Article(models.Model):
-    author = models.ForeignKey(Author)
-    headline = models.CharField(maxlength=50)
-    pub_date = models.DateTimeField()
-    categories = models.ManyToManyField(Category)
-
-    class Meta:
-       ordering = ('pub_date',)
-
-    def __str__(self):
-        return self.headline
-
-class AuthorProfile(models.Model):
-    author = models.OneToOneField(Author)
-    date_of_birth = models.DateField()
-    
-    def __str__(self):
-        return "Profile of %s" % self.author
-
-__test__ = {'API_TESTS':"""
-# Create some data:
->>> from datetime import datetime
->>> sports = Category(name="Sports")
->>> music = Category(name="Music")
->>> op_ed = Category(name="Op-Ed")
->>> sports.save(); music.save(); op_ed.save()
-
->>> joe = Author(name="Joe")
->>> jane = Author(name="Jane")
->>> joe.save(); jane.save()
-
->>> a1 = Article(
-...     author = jane,
-...     headline = "Poker has no place on ESPN",
-...     pub_date = datetime(2006, 6, 16, 11, 00))
->>> a2 = Article(
-...     author = joe,
-...     headline = "Time to reform copyright",
-...     pub_date = datetime(2006, 6, 16, 13, 00))
->>> a1.save(); a2.save()
->>> a1.categories = [sports, op_ed]
->>> a2.categories = [music, op_ed]
-
-# Serialize a queryset to XML
->>> from django.core import serializers
->>> xml = serializers.serialize("xml", Article.objects.all())
-
-# The output is valid XML
->>> from xml.dom import minidom
->>> dom = minidom.parseString(xml)
-
-# Deserializing has a similar interface, except that special DeserializedObject
-# instances are returned.  This is because data might have changed in the 
-# database since the data was serialized (we'll simulate that below).
->>> for obj in serializers.deserialize("xml", xml):
-...     print obj
-<DeserializedObject: Poker has no place on ESPN>
-<DeserializedObject: Time to reform copyright>
-
-# Deserializing data with different field values doesn't change anything in the
-# database until we call save():
->>> xml = xml.replace("Poker has no place on ESPN", "Poker has no place on television")
->>> objs = list(serializers.deserialize("xml", xml))
-
-# Even those I deserialized, the database hasn't been touched
->>> Article.objects.all()
-[<Article: Poker has no place on ESPN>, <Article: Time to reform copyright>]
-
-# But when I save, the data changes as you might except.
->>> objs[0].save()
->>> Article.objects.all()
-[<Article: Poker has no place on television>, <Article: Time to reform copyright>]
-
-# Django also ships with a built-in JSON serializers
->>> json = serializers.serialize("json", Category.objects.filter(pk=2))
->>> json
-'[{"pk": "2", "model": "serializers.category", "fields": {"name": "Music"}}]'
-
-# You can easily create new objects by deserializing data with an empty PK
-# (It's easier to demo this with JSON...)
->>> new_author_json = '[{"pk": null, "model": "serializers.author", "fields": {"name": "Bill"}}]'
->>> for obj in serializers.deserialize("json", new_author_json):
-...     obj.save()
->>> Author.objects.all()
-[<Author: Bill>, <Author: Jane>, <Author: Joe>]
-
-# All the serializers work the same
->>> json = serializers.serialize("json", Article.objects.all())
->>> for obj in serializers.deserialize("json", json):
-...     print obj
-<DeserializedObject: Poker has no place on television>
-<DeserializedObject: Time to reform copyright>
-
->>> json = json.replace("Poker has no place on television", "Just kidding; I love TV poker")
->>> for obj in serializers.deserialize("json", json):
-...     obj.save()
-
->>> Article.objects.all()
-[<Article: Just kidding; I love TV poker>, <Article: Time to reform copyright>]
-
-# If you use your own primary key field (such as a OneToOneField), 
-# it doesn't appear in the serialized field list - it replaces the
-# pk identifier.
->>> profile = AuthorProfile(author=joe, date_of_birth=datetime(1970,1,1))
->>> profile.save()
-
->>> json = serializers.serialize("json", AuthorProfile.objects.all())
->>> json
-'[{"pk": "1", "model": "serializers.authorprofile", "fields": {"date_of_birth": "1970-01-01"}}]'
-
->>> for obj in serializers.deserialize("json", json):
-...     print obj
-<DeserializedObject: Profile of Joe>
-
-# Objects ids can be referenced before they are defined in the serialization data
-# However, the deserialization process will need to be contained within a transaction
->>> json = '[{"pk": "3", "model": "serializers.article", "fields": {"headline": "Forward references pose no problem", "pub_date": "2006-06-16 15:00:00", "categories": [4, 1], "author": 4}}, {"pk": "4", "model": "serializers.category", "fields": {"name": "Reference"}}, {"pk": "4", "model": "serializers.author", "fields": {"name": "Agnes"}}]'
->>> from django.db import transaction
->>> transaction.enter_transaction_management()
->>> transaction.managed(True)
->>> for obj in serializers.deserialize("json", json):
-...     obj.save()
-
->>> transaction.commit()
->>> transaction.leave_transaction_management()
-
->>> article = Article.objects.get(pk=3)
->>> article
-<Article: Forward references pose no problem>
->>> article.categories.all()
-[<Category: Reference>, <Category: Sports>]
->>> article.author
-<Author: Agnes>
-
-"""}