From 59eb5d49b1ff0c770829ae4c5f2ae637a5fd4e43 Mon Sep 17 00:00:00 2001
From: jortel <devnull@localhost>
Date: Wed, 31 Mar 2010 16:38:46 +0000
Subject: Add version checking to ensure that the cache is cleared when suds is
 upgraded.

---
 suds/cache.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/suds/cache.py b/suds/cache.py
index c2bd624..8fa9b21 100644
--- a/suds/cache.py
+++ b/suds/cache.py
@@ -19,6 +19,7 @@ Contains basic caching classes.
 """
 
 import os
+import suds
 from tempfile import gettempdir as tmp
 from suds.transport import *
 from suds.sax.parser import Parser
@@ -141,6 +142,7 @@ class FileCache(Cache):
         self.location = location
         self.duration = (None, 0)
         self.setduration(**duration)
+        self.checkversion()
         
     def fnsuffix(self):
         """
@@ -261,6 +263,21 @@ class FileCache(Cache):
         self.mktmp()
         return open(fn, *args)
     
+    def checkversion(self):
+        path = os.path.join(self.location, 'version')
+        try:
+            
+            f = open(path)
+            version = f.read()
+            f.close()
+            if version != suds.__version__:
+                raise Exception()
+        except:
+            self.clear()
+            f = open(path, 'w')
+            f.write(suds.__version__)
+            f.close()        
+    
     def __fn(self, id):
         name = id
         suffix = self.fnsuffix()
-- 
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