Python logging.info()不记录消息 [英] Python logging.info() not logging the message

问题描述

parser_logger = logging.getLogger("CSHEL_parserlogger");
#logging.basicConfig()
parser_logger.addHandler(RotatingFileHandler(
                            "logfile", mode='a', maxBytes=7340032, backupCount=4,
                            encoding=None, delay=False))

#d = { 'clientip' : '192.168.0.1', 'user' : 'fbloggs' }
parser_logger.info('Protocol problem: %s', 'connection reset')

这将创建一个名为logfile的文件，但不会在其中写入任何内容. 如果我将最后一行更改为

This would create a file named logfile, but won't write anything into it. If I change the last line to

parser_logger.warning('Protocol problem: %s', 'connection reset')

它将正确地将消息记录到日志文件"中.

it would log the message into the "logfile" properly.

我确定这是我想念的一件小事，但我无法弄清楚它是什么.

I am sure it's a petty thing that I am missing, but I am not able to figure out what it is.

推荐答案

您需要设置记录器的阈值级别:

You need to set the threshold level of the logger:

parser_logger.setLevel(logging.INFO)

创建记录器时，级别设置为NOTSET，并且根记录器的创建级别为WARNING.参见文档.

When a logger is created, the level is set to NOTSET, and the root logger is created with level WARNING. See the documentation.

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