parameters: (self, _maintype, _subtype, **_params)
docstring: 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.
docstring_summary: This constructor adds a Content-Type: and a MIME-Version: header.
docstring_tokens: This constructor adds a Content - Type : and a MIME - Version : header .
function: def __init__(self, _maintype, _subtype, **_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.
          """
          message.Message.__init__(self)
          ctype = '%s/%s' % (_maintype, _subtype)
          self.add_header('Content-Type', ctype, **_params)
          self['MIME-Version'] = '1.0'
function_tokens: def __init__ ( self , _maintype , _subtype , * * _params ) : message . Message . __init__ ( self ) ctype = '%s/%s' % ( _maintype , _subtype ) self . add_header ( 'Content-Type' , ctype , * * _params ) self [ 'MIME-Version' ] = '1.0'