Python內建模組logging管理不同級別log列印和儲存，非常方便，從此告別了使用print打樁記錄，我們來看下logging的魅力吧

import logging

logging.basicConfig(level = logging.DEBUG,
                    format = '%(asctime)s %(filename)s[line:%(lineno)d]%(levelname)s %(message)s',
                    datefmt = '%a, %d %b %Y %H:%M:%S',
                    filename = './logcheck.log',
                    filemode = 'w')

###############################################################################
#define one StreamHandler, set the log mode
console = logging.StreamHandler()
console.setLevel(logging.INFO)
formatter = logging.Formatter('%(name)-12s: %(levelname)-8s %(message)s')
console.setFormatter(formatter)
logging.getLogger('').addHandler(console)
###############################################################################

filePath = r'C:\ddms.bat'

logging.error('Open file failed!')
logging.warn('sort mode disabled')
logging.debug('%s' % filePath)
logging.info('xml file generated successfully!')
 

執行結果：

root        : ERROR    Open file failed!
root        : WARNING  sort mode disabled
root        : INFO     xml file generated successfully!