diff -r 565ca18223ba Lib/test/test_mailbox.py
--- a/Lib/test/test_mailbox.py	Mon Sep 19 01:35:24 2011 -0700
+++ b/Lib/test/test_mailbox.py	Mon Sep 19 03:23:25 2011 -0700
@@ -2158,6 +2158,33 @@ def test_main():
 support.run_unittest(*tests)
 support.reap_children()
 
+def find_message_attribute_differences():
+ mbox = mailbox.mboxMessage(_sample_message).__dict__
+ mbox_mmdf = mailbox._mboxMMDFMessage(_sample_message).__dict__
+ babyl = mailbox.BabylMessage(_sample_message).__dict__
+ mh = mailbox.MHMessage(_sample_message).__dict__
+ maildir = mailbox.MaildirMessage(_sample_message).__dict__
+
+ # maildir_to_mh means... attributes that exist in maildir, but not an mh message!
+
+ print('mbox_to_mbox_mmdf: %s' % [a for a in mbox if a not in mbox_mmdf])
+
+ print('mbox_to_mh: %s' % [a for a in mbox if a not in mh])
+ print('mbox_to_babyl: %s' % [a for a in mbox if a not in babyl])
+ print('mbox_to_maildir: %s' % [a for a in mbox if a not in maildir])
+
+ print('babyl_to_mbox: %s' % [a for a in babyl if a not in mbox])
+ print('babyl_to_mh: %s' % [a for a in babyl if a not in mh])
+ print('babyl_to_mailbox: %s' % [a for a in babyl if a not in maildir]) 
+
+ print('mh_to_mbox: %s' % [a for a in mh if a not in mbox])
+ print('mh_to_babyl: %s' % [a for a in mh if a not in babyl])
+ print('mh_to_maildir: %s' % [a for a in mh if a not in maildir])
+
+ print('maildir_to_mbox: %s' % [a for a in maildir if a not in mbox])
+ print('maildir_to_babyl: %s' % [a for a in maildir if a not in babyl])
+ print('maildir_to_mh: %s' % [a for a in maildir if a not in mh])
 
 if __name__ == '__main__':
- test_main()
+ #test_main()
+ find_message_attribute_differences()
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<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://bugs.python.org/file23192/12537.find.attribute.differences.patch">(-&gt;オリジナル)</a>
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