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