docs: def map_aliases_to_device_objects(self):
          """
              A device object knows its rid, but not its alias.
              A portal object knows its device rids and aliases.
  
              This function adds an 'portals_aliases' key to all of the 
              device objects so they can be sorted by alias.
          """
          all_devices = self.get_all_devices_in_portal()
          for dev_o in all_devices:
              dev_o['portals_aliases'] = self.get_portal_by_name(
                                                          self.portal_name()
                                                  )[2][1]['info']['aliases'][ dev_o['rid'] ]
          return all_devices