Lib/email/MIMEMessage.py

   1 # Copyright (C) 2001,2002 Python Software Foundation
   2 # Author: barry@zope.com (Barry Warsaw)
   3
   4 """Class representing message/* MIME documents.
   5 """
   6
   7 from email import Message
   8 from email.MIMENonMultipart import MIMENonMultipart
   9
  10
  11 \f
  12 class MIMEMessage(MIMENonMultipart):
  13     """Class representing message/* MIME documents."""
  14
  15     def __init__(self, _msg, _subtype='rfc822'):
  16         """Create a message/* type MIME document.
  17
  18         _msg is a message object and must be an instance of Message, or a
  19         derived class of Message, otherwise a TypeError is raised.
  20
  21         Optional _subtype defines the subtype of the contained message.  The
  22         default is "rfc822" (this is defined by the MIME standard, even though
  23         the term "rfc822" is technically outdated by RFC 2822).
  24         """
  25         MIMENonMultipart.__init__(self, 'message', _subtype)
  26         if not isinstance(_msg, Message.Message):
  27             raise TypeError, 'Argument is not an instance of Message'
  28         # It's convenient to use this base class method.  We need to do it
  29         # this way or we'll get an exception
  30         Message.Message.attach(self, _msg)
  31         # And be sure our default type is set correctly
  32         self.set_default_type('message/rfc822')