# Copyright (C) 2001-2006 Python Software Foundation
# Author: Barry Warsaw
# Contact: email-sig@python.org
"""Base class for MIME specializations."""
__all__ = ['MIMEBase']
import email.policy
from email import message
class MIMEBase(message.Message):
"""Base class for MIME specializations."""
def __init__(self, _maintype, _subtype, *, policy=None, **_params):
"""This constructor adds a Content-Type: and a MIME-Version: header.
The Content-Type: header is taken from the _maintype and _subtype
arguments. Additional parameters for this header are taken from the
keyword arguments.
"""
if policy is None:
policy = email.policy.compat32
message.Message.__init__(self, policy=policy)
ctype = '%s/%s' % (_maintype, _subtype)
self.add_header('Content-Type', ctype, **_params)
self['MIME-Version'] = '1.0'
