def legacyEvent(self, *message, **values):
        """
        Return a basic old-style event as would be created by L{legacyLog.msg}.

        @param message: a message event value in the legacy event format
        @type message: L{tuple} of L{bytes}

        @param values: additional event values in the legacy event format
        @type event: L{dict}

        @return: a legacy event
        """
        event = (context.get(legacyLog.ILogContext) or {}).copy()
        event.update(values)
        event["message"] = message
        event["time"] = time()
        if "isError" not in event:
            event["isError"] = 0
        return event

        Return a basic old-style event as would be created by L{legacyLog.msg}.

        @param message: a message event value in the legacy event format
        @type message: L{tuple} of L{bytes}

        @param values: additional event values in the legacy event format
        @type event: L{dict}

        @return: a legacy event
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/logger/test/test_legacy.py