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 

     9 from email import message

    10 from email.mime.nonmultipart import MIMENonMultipart

    11 

    12 

    13 

    14 class MIMEMessage(MIMENonMultipart):

    15     """Class representing message/* MIME documents."""

    16 

    17     def __init__(self, _msg, _subtype='rfc822'):

    18         """Create a message/* type MIME document.

    19 

    20         _msg is a message object and must be an instance of Message, or a

    21         derived class of Message, otherwise a TypeError is raised.

    22 

    23         Optional _subtype defines the subtype of the contained message.  The

    24         default is "rfc822" (this is defined by the MIME standard, even though

    25         the term "rfc822" is technically outdated by RFC 2822).

    26         """

    27         MIMENonMultipart.__init__(self, 'message', _subtype)

    28         if not isinstance(_msg, message.Message):

    29             raise TypeError('Argument is not an instance of Message')

    30         # It's convenient to use this base class method.  We need to do it

    31         # this way or we'll get an exception

    32         message.Message.attach(self, _msg)

    33         # And be sure our default type is set correctly

    34         self.set_default_type('message/rfc822')