日志记录到两个具有不同设置的文件

我已经在使用一个基本的日志配置，其中所有模块中的所有消息都存储在一个文件中。然而，我现在需要一个更复杂的解决方案:

  • 两个文件: 第一个保持不变。
  • 第二个文件应该有一些自定义格式。

我一直在阅读模块的文档，但它们现在对我来说非常复杂。伐木工，搬运工。

所以，简而言之:

How to log to two files in Python 3, ie:

import logging
# ...
logging.file1.info('Write this to file 1')
logging.file2.info('Write this to file 2')
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小开
最佳答案

你可以这样做:

import logging
formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')




def setup_logger(name, log_file, level=logging.INFO):
"""To setup as many loggers as you want"""


handler = logging.FileHandler(log_file)
handler.setFormatter(formatter)


logger = logging.getLogger(name)
logger.setLevel(level)
logger.addHandler(handler)


return logger


# first file logger
logger = setup_logger('first_logger', 'first_logfile.log')
logger.info('This is just info message')


# second file logger
super_logger = setup_logger('second_logger', 'second_logfile.log')
super_logger.error('This is an error message')


def another_method():
# using logger defined above also works here
logger.info('Inside method')
小开 
def setup_logger(logger_name, log_file, level=logging.INFO):
l = logging.getLogger(logger_name)
formatter = logging.Formatter('%(message)s')
fileHandler = logging.FileHandler(log_file, mode='w')
fileHandler.setFormatter(formatter)
streamHandler = logging.StreamHandler()
streamHandler.setFormatter(formatter)


l.setLevel(level)
l.addHandler(fileHandler)
l.addHandler(streamHandler)




setup_logger('log1', txtName+"txt")
setup_logger('log2', txtName+"small.txt")
logger_1 = logging.getLogger('log1')
logger_2 = logging.getLogger('log2')








logger_1.info('111messasage 1')
logger_2.info('222ersaror foo')

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