python logging 日志的级别调整方式

import logging

logging.debug('debug message')
logging.info('info message')
logging.warn('warn message')
logging.error('error message')
logging.critical('critical message')

WARNING:root:warn message
ERROR:root:error message
CRITICAL:root:critical message

import logging

logging.basicConfig(level=logging.DEBUG)

logging.debug('debug message')
logging.info('info message')
logging.warn('warn message')
logging.error('error message')
logging.critical('critical message')

DEBUG:root:debug message
INFO:root:info message
WARNING:root:warn message
ERROR:root:error message
CRITICAL:root:critical message

import logging

logging.basicConfig(filename='test.log', level=logging.DEBUG)

logging.debug('debug message')
logging.info('info message')
logging.warn('warn message')
logging.error('error message')
logging.critical('critical message')