#!/usr/bin/env python
     #
     # Copyright 2007 Doug Hellmann.
     #
     #
     #                         All Rights Reserved
     #
     # Permission to use, copy, modify, and distribute this software and
     # its documentation for any purpose and without fee is hereby
     # granted, provided that the above copyright notice appear in all
     # copies and that both that copyright notice and this permission
     # notice appear in supporting documentation, and that the name of Doug
     # Hellmann not be used in advertising or publicity pertaining to
     # distribution of the software without specific, written prior
     # permission.
     #
     # DOUG HELLMANN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
     # INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
     # NO EVENT SHALL DOUG HELLMANN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
     # CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
     # OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
     # NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
     # CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     #
     
     """
     
     """
     
     __module_id__ = "$Id$"
     #end_pymotw_header
     
     try:
         import cPickle as pickle
     except:
         import pickle
     import pprint
     from StringIO import StringIO
     
     class SimpleObject(object):
     
         def __init__(self, name):
             self.name = name
             l = list(name)
             l.reverse()
             self.name_backwards = ''.join(l)
             return
     
     data = []
     data.append(SimpleObject('pickle'))
     data.append(SimpleObject('cPickle'))
     data.append(SimpleObject('last'))
     
     # Simulate a file with StringIO
     out_s = StringIO()
     
     # Write to the stream
     for o in data:
         print 'WRITING: %s (%s)' % (o.name, o.name_backwards)
         pickle.dump(o, out_s)
         out_s.flush()
     
     # Set up a read-able stream
     in_s = StringIO(out_s.getvalue())
     
     # Read the data
     while True:
         try:
             o = pickle.load(in_s)
         except EOFError:
             break
         else:
             print 'READ: %s (%s)' % (o.name, o.name_backwards)