code: def DbGetAliasDevice(self, argin):
          
          self._log.debug("In DbGetAliasDevice()")
          if not argin:
              argin = "%"
          else:
              argin = replace_wildcard(argin)
          return self.db.get_alias_device(argin)
docs: Get device name from its alias.
  
          :param argin: Alias name
          :type: tango.DevString
          :return: Device name
          :rtype: tango.DevString