From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Mon, 10 Jul 2006 01:06:31 +0000 (+0000)
Subject: works without backrefs too....
X-Git-Tag: rel_0_2_6~35
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=55917950d60a4a3dd26e237231fe499c149368c6;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

works without backrefs too....
---

diff --git a/lib/sqlalchemy/ext/activemapper.py b/lib/sqlalchemy/ext/activemapper.py
index a0984f46c1..6c6886c66f 100644
--- a/lib/sqlalchemy/ext/activemapper.py
+++ b/lib/sqlalchemy/ext/activemapper.py
@@ -76,6 +76,8 @@ class relationship(object):
                                        uselist=self.uselist,
                                        order_by=self.order_by)
     def create_backref(self, klass):
+        if self.backref is None:
+            return None
         relclass = ActiveMapperMeta.classes[self.classname]
         if klass.__name__ == self.classname:
             br_fkey = getattr(relclass.c, self.colname)
@@ -95,6 +97,8 @@ class one_to_one(relationship):
         relationship.__init__(self, classname, colname, backref, private, 
                               lazy, uselist=False, order_by=order_by)
     def create_backref(self, klass):
+        if self.backref is None:
+            return None
         relclass = ActiveMapperMeta.classes[self.classname]
         if klass.__name__ == self.classname:
             br_fkey = getattr(relclass.c, self.colname)