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1 # Copyright (C) 2001-2006 Python Software Foundation
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2 # Author: Barry Warsaw
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3 # Contact: email-sig@python.org
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4
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5 """Class representing message/* MIME documents."""
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6
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7 __all__ = ['MIMEMessage']
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8
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9 from email import message
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10 from email.mime.nonmultipart import MIMENonMultipart
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11
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12
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13
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14 class MIMEMessage(MIMENonMultipart):
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15 """Class representing message/* MIME documents."""
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16
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17 def __init__(self, _msg, _subtype='rfc822', *, policy=None):
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18 """Create a message/* type MIME document.
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19
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20 _msg is a message object and must be an instance of Message, or a
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21 derived class of Message, otherwise a TypeError is raised.
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22
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23 Optional _subtype defines the subtype of the contained message. The
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24 default is "rfc822" (this is defined by the MIME standard, even though
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25 the term "rfc822" is technically outdated by RFC 2822).
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26 """
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27 MIMENonMultipart.__init__(self, 'message', _subtype, policy=policy)
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28 if not isinstance(_msg, message.Message):
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29 raise TypeError('Argument is not an instance of Message')
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30 # It's convenient to use this base class method. We need to do it
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31 # this way or we'll get an exception
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32 message.Message.attach(self, _msg)
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33 # And be sure our default type is set correctly
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34 self.set_default_type('message/rfc822')
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