Current File : /opt/alt/python37/lib/python3.7/site-packages/future/backports/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."""
from __future__ import unicode_literals
from __future__ import division
from __future__ import absolute_import
__all__ = ['MIMENonMultipart']
from future.backports.email import errors
from future.backports.email.mime.base import MIMEBase
class MIMENonMultipart(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/*')
