Copying the email package back, despite its failings.
diff --git a/Lib/email/mime/message.py b/Lib/email/mime/message.py
new file mode 100644
index 0000000..275dbfd
--- /dev/null
+++ b/Lib/email/mime/message.py
@@ -0,0 +1,34 @@
+# Copyright (C) 2001-2006 Python Software Foundation
+# Author: Barry Warsaw
+# Contact: email-sig@python.org
+
+"""Class representing message/* MIME documents."""
+
+__all__ = ['MIMEMessage']
+
+from email import message
+from email.mime.nonmultipart import MIMENonMultipart
+
+
+
+class MIMEMessage(MIMENonMultipart):
+ """Class representing message/* MIME documents."""
+
+ def __init__(self, _msg, _subtype='rfc822'):
+ """Create a message/* type MIME document.
+
+ _msg is a message object and must be an instance of Message, or a
+ derived class of Message, otherwise a TypeError is raised.
+
+ Optional _subtype defines the subtype of the contained message. The
+ default is "rfc822" (this is defined by the MIME standard, even though
+ the term "rfc822" is technically outdated by RFC 2822).
+ """
+ MIMENonMultipart.__init__(self, 'message', _subtype)
+ if not isinstance(_msg, message.Message):
+ raise TypeError('Argument is not an instance of Message')
+ # It's convenient to use this base class method. We need to do it
+ # this way or we'll get an exception
+ message.Message.attach(self, _msg)
+ # And be sure our default type is set correctly
+ self.set_default_type('message/rfc822')