Index: Lib/optparse.py
===================================================================
--- Lib/optparse.py	(revision 61179)
+++ Lib/optparse.py	(working copy)
@@ -852,6 +852,10 @@
         else:
             return -1
 
+    def __iter__(self):
+        for key, value in self.__dict__.iteritems():
+            yield key, value
+
     def _update_careful(self, dict):
         """
         Update the option values from an arbitrary dictionary, but only