text: """
      Slixmpp: The Slick XMPP Library
      Copyright (C) 2012 Nathanael C. Fritz, Lance J.T. Stout
      This file is part of Slixmpp.
  
      See the file LICENSE for copying permission.
  """
  
  from slixmpp.xmlstream import ElementBase, ET
  
  
  class UserTune(ElementBase):
  
      name = 'tune'
      namespace = 'http://jabber.org/protocol/tune'
      plugin_attrib = 'tune'
      interfaces = {'artist', 'length', 'rating', 'source',
                    'title', 'track', 'uri'}
      sub_interfaces = interfaces
  
      def set_length(self, value):
          self._set_sub_text('length', str(value))
  
      def set_rating(self, value):
          self._set_sub_text('rating', str(value))
  