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我试过一个简单的例子,根据官方记录食谱但结果却是出乎意料:用简单的例子Python记录烦恼
In [2]: logger.info("hello")
In [3]: logger.error("bad")
后来:
LOG_PATH = 'logs'
logger = logging.getLogger(__name__)
# Creates 2 Handlers to split log levels
info_fh = logging.FileHandler(path.join(LOG_PATH, 'info_level.log'))
info_fh.setLevel(logging.INFO)
err_fh = logging.FileHandler(path.join(LOG_PATH, 'err_level.log'))
err_fh.setLevel(logging.ERROR)
# Create formatter and add it to the handlers
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
info_fh.setFormatter(formatter)
err_fh.setFormatter(formatter)
# add the handlers to logger
logger.addHandler(info_fh)
logger.addHandler(err_fh)
然后我在一个控制台写
cat logs/err_level.log
>>> 2017-02-27 13:16:40,328 - jive - ERROR - bad
cat logs/info_level.log
>>> 2017-02-27 13:16:40,328 - jive - ERROR - bad
我不明白为什么info_level.log文件不包含“hello”日志记录。
感谢您的完美解释。 –