code: def add_logger_encoder(self, encoder, logger=None, requests_only=False, for_single_worker=False):
          
          if for_single_worker:
              command = 'worker-log-req-encoder' if requests_only else 'worker-log-encoder'
          else:
              command = 'log-req-encoder' if requests_only else 'log-encoder'
  
          for encoder in listify(encoder):
  
              value = '%s' % encoder
  
              if logger:
                  if isinstance(logger, Logger):
                      logger = logger.alias
  
                  value += ':%s' % logger
  
              self._set(command, value, multi=True)
  
          return self._section
docs: Add an item in the log encoder or request encoder chain.
  
          * http://uwsgi-docs.readthedocs.io/en/latest/LogEncoders.html
  
              .. note:: Encoders automatically enable master log handling (see ``.set_master_logging_params()``).
  
              .. note:: For best performance consider allocating a thread
                  for log sending with ``dedicate_thread``.
  
          :param str|unicode|list|Encoder encoder: Encoder (or a list) to add into processing.
  
          :param str|unicode|Logger logger: Logger apply associate encoders to.
  
          :param bool requests_only: Encoder to be used only for requests information messages.
  
          :param bool for_single_worker: Encoder to be used in single-worker setup.