code: def emit(self, record):
          
          try:
              msg = self.format(record)
              pri = self.map_priority(record.levelno)
              # defaults
              extras = self._extra.copy()
  
              # higher priority
              if record.exc_text:
                  extras['EXCEPTION_TEXT'] = record.exc_text
  
              if record.exc_info:
                  extras['EXCEPTION_INFO'] = record.exc_info
  
              if record.args:
                  extras['CODE_ARGS'] = str(record.args)
  
              # explicit arguments — highest priority
              extras.update(record.__dict__)
  
              self.send(msg,
                        PRIORITY=format(pri),
                        LOGGER=record.name,
                        THREAD_NAME=record.threadName,
                        PROCESS_NAME=record.processName,
                        CODE_FILE=record.pathname,
                        CODE_LINE=record.lineno,
                        CODE_FUNC=record.funcName,
                        **extras)
          except Exception:
              self.handleError(record)
docs: Write `record` as a journal event.
  
          MESSAGE is taken from the message provided by the user, and PRIORITY,
          LOGGER, THREAD_NAME, CODE_{FILE,LINE,FUNC} fields are appended
          automatically. In addition, record.MESSAGE_ID will be used if present.