From 3e6ac40962bf549691843a6dc13b86d592a4bc4c Mon Sep 17 00:00:00 2001
From: helmutm <helmutm@fd906abe-77d9-0310-91a1-e0d9ade77398>
Date: Tue, 29 Apr 2008 10:24:06 +0000
Subject: [PATCH] provide Zope 2.9 compatibility for statful package

git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2566 fd906abe-77d9-0310-91a1-e0d9ade77398
---
 stateful/base.py       | 5 ++++-
 stateful/interfaces.py | 5 ++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/stateful/base.py b/stateful/base.py
index c617282..dffd116 100644
--- a/stateful/base.py
+++ b/stateful/base.py
@@ -26,7 +26,10 @@ from persistent.interfaces import IPersistent
 from persistent.mapping import PersistentMapping
 from zope import component
 from zope.component import adapts
-from zope.component.interfaces import ObjectEvent
+try:
+    from zope.component.interfaces import ObjectEvent
+except ImportError: # Zope 2.9
+    from zope.app.event.objectevent import ObjectEvent
 from zope.event import notify
 from zope.interface import implements
 
diff --git a/stateful/interfaces.py b/stateful/interfaces.py
index 4a765c1..cf834d9 100644
--- a/stateful/interfaces.py
+++ b/stateful/interfaces.py
@@ -22,7 +22,10 @@ Interfaces for the `stateful` package.
 $Id$
 """
 
-from zope.component.interfaces import IObjectEvent
+try:
+    from zope.component.interfaces import IObjectEvent
+except ImportError: # Zope 2.9
+    from zope.app.event.interfaces import IObjectEvent
 from zope.interface import Interface, Attribute