From 38c96a366b68cd74cbec6e69ca168225ccf3fe18 Mon Sep 17 00:00:00 2001
From: Miroslav Stampar <miroslav.stampar@gmail.com>
Date: Mon, 26 Nov 2012 11:16:59 +0100
Subject: [PATCH] Patch for an Issue #260

---
 lib/core/convert.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib/core/convert.py b/lib/core/convert.py
index 47368e0dd..407d06765 100644
--- a/lib/core/convert.py
+++ b/lib/core/convert.py
@@ -28,7 +28,16 @@ def base64encode(value):
     return value.encode("base64")[:-1].replace("\n", "")
 
 def base64pickle(value):
-    return base64encode(pickle.dumps(value, pickle.HIGHEST_PROTOCOL))
+    retVal = None
+    try:
+        retVal = base64encode(pickle.dumps(value, pickle.HIGHEST_PROTOCOL))
+    except:
+        warnMsg = "problem occurred while serializing "
+        warnMsg += "instance of a type '%s'" % type(value)
+        singleTimeWarnMessage(warnMsg)
+
+        retVal = base64encode(pickle.dumps(str(value), pickle.HIGHEST_PROTOCOL))
+    return retVal
 
 def base64unpickle(value):
     return pickle.loads(base64decode(value))