code: def DbGetDeviceAliasList(self, argin):
          
          self._log.debug("In DbGetDeviceAliasList()")
          if not argin:
              argin = "%"
          else:
              argin = replace_wildcard(argin)
  
          return self.db.get_device_alias_list(argin)
docs: Get device alias name with a specific filter
  
          :param argin: The filter
          :type: tango.DevString
          :return: Device alias list
          :rtype: tango.DevVarStringArray