diff -r 8d941af65caf -r 77b6da96e6f1 web/lib/django/db/models/fields/proxy.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/django/db/models/fields/proxy.py	Wed Jun 02 18:57:35 2010 +0200
@@ -0,0 +1,17 @@
+"""
+Field-like classes that aren't really fields. It's easier to use objects that
+have the same attributes as fields sometimes (avoids a lot of special casing).
+"""
+
+from django.db.models import fields
+
+class OrderWrt(fields.IntegerField):
+    """
+    A proxy for the _order database field that is used when
+    Meta.order_with_respect_to is specified.
+    """
+
+    def __init__(self, *args, **kwargs):
+        kwargs['name'] = '_order'
+        kwargs['editable'] = False
+        super(OrderWrt, self).__init__(*args, **kwargs)