From cf9a1617599bb680deef2bab76fc6022f7dad50b Mon Sep 17 00:00:00 2001
From: "Rafael H. Schloming" <rhs@apache.org>
Date: Tue, 4 Mar 2008 20:23:38 +0000
Subject: check the mtime of the cached spec against the code that generates it

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@633623 13f79535-47bb-0310-9956-ffa450edef68
---
 python/qpid/spec010.py | 7 +++----
 python/qpid/util.py    | 5 ++++-
 2 files changed, 7 insertions(+), 5 deletions(-)

(limited to 'python')

diff --git a/python/qpid/spec010.py b/python/qpid/spec010.py
index 2d8bd6050d..e6b7946e17 100644
--- a/python/qpid/spec010.py
+++ b/python/qpid/spec010.py
@@ -17,8 +17,9 @@
 # under the License.
 #
 
-import datatypes
+import os, cPickle, datatypes
 from codec010 import StringCodec
+from util import mtime
 
 class Node:
 
@@ -598,11 +599,9 @@ class Loader:
   def do_exception(self, e):
     return Exception(id(e["@name"]), id(e["@error-code"]), self.children(e))
 
-import os, cPickle
-
 def load(xml):
   fname = xml + ".pcl"
-  if os.path.exists(fname):
+  if os.path.exists(fname) and mtime(fname) > mtime(__file__):
     file = open(fname, "r")
     s = cPickle.load(file)
     file.close()
diff --git a/python/qpid/util.py b/python/qpid/util.py
index c88cc0c9d6..e41dfc75fb 100644
--- a/python/qpid/util.py
+++ b/python/qpid/util.py
@@ -17,7 +17,7 @@
 # under the License.
 #
 
-import socket
+import os, socket
 
 def connect(host, port):
   sock = socket.socket()
@@ -37,3 +37,6 @@ def listen(host, port, predicate = lambda: True, bound = lambda: None):
   while predicate():
     s, a = sock.accept()
     yield s
+
+def mtime(filename):
+  return os.stat(filename).st_mtime
-- 
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