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      1 # Copyright (C) 2001-2006 Python Software Foundation
      2 # Author: Barry Warsaw
      3 # Contact: email-sig (at] python.org
      4 
      5 """Base class for MIME specializations."""
      6 
      7 __all__ = ['MIMEBase']
      8 
      9 from email import message
     10 
     11 
     12 
     14 class MIMEBase(message.Message):
     15     """Base class for MIME specializations."""
     16 
     17     def __init__(self, _maintype, _subtype, **_params):
     18         """This constructor adds a Content-Type: and a MIME-Version: header.
     19 
     20         The Content-Type: header is taken from the _maintype and _subtype
     21         arguments.  Additional parameters for this header are taken from the
     22         keyword arguments.
     23         """
     24         message.Message.__init__(self)
     25         ctype = '%s/%s' % (_maintype, _subtype)
     26         self.add_header('Content-Type', ctype, **_params)
     27         self['MIME-Version'] = '1.0'
     28