From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Thu, 6 Sep 2007 16:58:02 +0000 (+0000)
Subject: associationproxy relies upon a "sweep" through the attributes at the class level,
X-Git-Tag: rel_0_4beta6~42
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4245d758850bf847d87fe2c9b48d3df82e578c2c;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

associationproxy relies upon a "sweep" through the attributes at the class level,
restored the equivalent functionality from previous releases
---

diff --git a/lib/sqlalchemy/orm/attributes.py b/lib/sqlalchemy/orm/attributes.py
index c2746d9e98..559b97e5ab 100644
--- a/lib/sqlalchemy/orm/attributes.py
+++ b/lib/sqlalchemy/orm/attributes.py
@@ -834,6 +834,11 @@ class AttributeManager(object):
         """decorate the constructor of the given class to establish attribute
         management on new instances."""
 
+        # do a sweep first, this also helps some attribute extensions
+        # (like associationproxy) become aware of themselves at the 
+        # class level
+        self.unregister_class(class_)
+        
         oldinit = None
         doinit = False