#!/usr/bin/env python
     # encoding: utf-8
     #
     # Copyright (c) 2009 Doug Hellmann All rights reserved.
     #
     """
     """
     #end_pymotw_header
     
     import json
     import json_myobj
     
     obj = json_myobj.MyObj('instance value goes here')
     
     print 'First attempt'
     try:
         print json.dumps(obj)
     except TypeError, err:
         print 'ERROR:', err
     
     def convert_to_builtin_type(obj):
         print 'default(', repr(obj), ')'
         # Convert objects to a dictionary of their representation
         d = { '__class__':obj.__class__.__name__, 
               '__module__':obj.__module__,
               }
         d.update(obj.__dict__)
         return d
     
     print
     print 'With default'
     print json.dumps(obj, default=convert_to_builtin_type)