docs: def _get_graphics(dom):
      '''
      Get domain graphics from a libvirt domain object.
      '''
      out = {'autoport': 'None',
             'keymap': 'None',
             'listen': 'None',
             'port': 'None',
             'type': 'None'}
      doc = ElementTree.fromstring(dom.XMLDesc(0))
      for g_node in doc.findall('devices/graphics'):
          for key, value in six.iteritems(g_node.attrib):
              out[key] = value
      return out