- Added "post_configure_attribute" method to InstrumentationManager,

so that the "listen_for_events.py" example works again.
[ticket:1314]

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/sqlalchemy/orm/interfaces.py b/lib/sqlalchemy/orm/interfaces.py
index 7e5427808..3b7507def 100644
--- a/lib/sqlalchemy/orm/interfaces.py
+++ b/lib/sqlalchemy/orm/interfaces.py
@@ -855,7 +855,12 @@ class LoaderStrategy(object):
             return fn
 
 class InstrumentationManager(object):
-    """User-defined class instrumentation extension."""
+    """User-defined class instrumentation extension.
+    
+    The API for this class should be considered as semi-stable,
+    and may change slightly with new releases.
+    
+    """
 
     # r4361 added a mandatory (cls) constructor to this interface.
     # given that, perhaps class_ should be dropped from all of these
@@ -878,6 +883,9 @@ class InstrumentationManager(object):
     def instrument_attribute(self, class_, key, inst):
         pass
 
+    def post_configure_attribute(self, class_, key, inst):
+        pass
+
     def install_descriptor(self, class_, key, inst):
         setattr(class_, key, inst)