cpython/Lib/email/MIMENonMultipart.py

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# Copyright (C) 2002 Python Software Foundation
# Author: barry@zope.com (Barry Warsaw)
"""Base class for MIME type messages that are not multipart.
"""
from email import Errors
from email import MIMEBase
class MIMENonMultipart(MIMEBase.MIMEBase):
"""Base class for MIME multipart/* type messages."""
def attach(self, payload):
# The public API prohibits attaching multiple subparts to MIMEBase
# derived subtypes since none of them are, by definition, of content
# type multipart/*
raise Errors.MultipartConversionError(
'Cannot attach additional subparts to non-multipart/*')