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- # Copyright (C) 2002-2006 Python Software Foundation
- # Author: Barry Warsaw
- # Contact: email-sig@python.org
-
- """Base class for MIME multipart/* type messages."""
-
- __all__ = ['MIMEMultipart']
-
- from email.mime.base import MIMEBase
-
-
-
- class MIMEMultipart(MIMEBase):
- """Base class for MIME multipart/* type messages."""
-
- def __init__(self, _subtype='mixed', boundary=None, _subparts=None,
- **_params):
- """Creates a multipart/* type message.
-
- By default, creates a multipart/mixed message, with proper
- Content-Type and MIME-Version headers.
-
- _subtype is the subtype of the multipart content type, defaulting to
- `mixed'.
-
- boundary is the multipart boundary string. By default it is
- calculated as needed.
-
- _subparts is a sequence of initial subparts for the payload. It
- must be an iterable object, such as a list. You can always
- attach new subparts to the message by using the attach() method.
-
- Additional parameters for the Content-Type header are taken from the
- keyword arguments (or passed into the _params argument).
- """
- MIMEBase.__init__(self, 'multipart', _subtype, **_params)
-
- # Initialise _payload to an empty list as the Message superclass's
- # implementation of is_multipart assumes that _payload is a list for
- # multipart messages.
- self._payload = []
-
- if _subparts:
- for p in _subparts:
- self.attach(p)
- if boundary:
- self.set_boundary(boundary)
-