📁 //snap/core20/current/lib/python3.8/email/mime/nonmultipart.py
# Copyright (C) 2002-2006 Python Software Foundation
# Author: Barry Warsaw
# Contact: email-sig@python.org
"""Base class for MIME type messages that are not multipart."""
__all__ = ['MIMENonMultipart']
from email import errors
from email.mime.base import MIMEBase
class MIMENonMultipart(MIMEBase):
"""Base class for MIME non-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/*')