Method namer

Lib/test/test_logging.py:6470–6471

(name)

    def test_rollover_filenames(self):
        def namer(name):
            return name + ".test"
        rh = logging.handlers.RotatingFileHandler(
            self.fn, encoding="utf-8", backupCount=2, maxBytes=1)
        rh.namer = namer