def __init__(self, filename, mode='a', maxBytes=0, backupCount=0, encoding=None):
        if maxBytes > 0:
            mode = 'a' # doesn't make sense otherwise!
        BaseRotatingHandler.__init__(self, filename, mode, encoding)
        self.maxBytes = maxBytes
        self.backupCount = backupCount
Open the specified file and use it as the stream for logging.
dataset/ETHPy150Open babble/babble/include/jython/Lib/logging/handlers.py/RotatingFileHandler.__init__