1# Copyright (C) 2001-2006 Python Software Foundation 2# Author: Barry Warsaw 3# Contact: email-sig@python.org 4 5"""Class representing message/* MIME documents.""" 6 7__all__ = ['MIMEMessage'] 8 9from email import message 10from email.mime.nonmultipart import MIMENonMultipart 11 12 13class MIMEMessage(MIMENonMultipart): 14 """Class representing message/* MIME documents.""" 15 16 def __init__(self, _msg, _subtype='rfc822', *, policy=None): 17 """Create a message/* type MIME document. 18 19 _msg is a message object and must be an instance of Message, or a 20 derived class of Message, otherwise a TypeError is raised. 21 22 Optional _subtype defines the subtype of the contained message. The 23 default is "rfc822" (this is defined by the MIME standard, even though 24 the term "rfc822" is technically outdated by RFC 2822). 25 """ 26 MIMENonMultipart.__init__(self, 'message', _subtype, policy=policy) 27 if not isinstance(_msg, message.Message): 28 raise TypeError('Argument is not an instance of Message') 29 # It's convenient to use this base class method. We need to do it 30 # this way or we'll get an exception 31 message.Message.attach(self, _msg) 32 # And be sure our default type is set correctly 33 self.set_default_type('message/rfc822') 34