util.py 文件源码

def copy_streams_to_file(log_file, stdout=True, stderr=True):
    logger = logging.getLogger("_copy_stdout_stderr_to_file")
    logger.handlers = []
    logger.setLevel(logging.DEBUG)
    format = logging.Formatter("%(message)s")
    fh = handlers.RotatingFileHandler(log_file, maxBytes=(1048576 * 5), backupCount=7)
    fh.setFormatter(format)
    logger.addHandler(fh)

    if stderr:
        sys.stderr = LoggerWriter(logger.warning)

    if stdout:
        sys.stdout = LoggerWriter(logger.info)