From b31d4f795dbd94bae2c3d8f01aea3b15ed9684b2 Mon Sep 17 00:00:00 2001
From: Ewan Mellor <ewan.mellor@citrix.com>
Date: Tue, 3 Aug 2010 15:37:31 +0100
Subject: Define __contains__ on BasicModel, so that we can use "x in
 datamodel".

---
 nova/datastore.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nova/datastore.py b/nova/datastore.py
index 9c2592334..f6c11d2c9 100644
--- a/nova/datastore.py
+++ b/nova/datastore.py
@@ -168,6 +168,9 @@ class BasicModel(object):
     def setdefault(self, item, default):
         return self.state.setdefault(item, default)
 
+    def __contains__(self, item):
+        return item in self.state
+
     def __getitem__(self, item):
         return self.state[item]
 
-- 
cgit