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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')

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')

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

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

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1 Answer 1

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24

You need to set the threshold level of the logger:

parser_logger.setLevel(logging.INFO)

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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