AppPkg/Applications/Python/Python-2.7.2/Lib/email/mime/nonmultipart.py

   1 # Copyright (C) 2002-2006 Python Software Foundation
   2 # Author: Barry Warsaw
   3 # Contact: email-sig@python.org
   4
   5 """Base class for MIME type messages that are not multipart."""
   6
   7 __all__ = ['MIMENonMultipart']
   8
   9 from email import errors
  10 from email.mime.base import MIMEBase
  11
  12
  13 \f
  14 class MIMENonMultipart(MIMEBase):
  15     """Base class for MIME multipart/* type messages."""
  16
  17     def attach(self, payload):
  18         # The public API prohibits attaching multiple subparts to MIMEBase
  19         # derived subtypes since none of them are, by definition, of content
  20         # type multipart/*
  21         raise errors.MultipartConversionError(
  22             'Cannot attach additional subparts to non-multipart/*')