我试图找出跨多个模块使用python登录的最佳实践。我在这里看到:http://docs.python.org/2/howto/logging#logging-from-multiple-modules关于如何使用根日志记录器跨多个模块进行日志记录。不过,正如链接所指出的,由于消息都显示“root”名称,因此您无法知道它们来自应用程序的何处
在我看来,有两个选项(这假设我的模块不在包结构中,而只是同一文件夹中的一堆模块):
1)如示例中所示,使用根日志记录器,但更改日志格式以包含文件名:
# myapp.py
import logging
import mylib
def main():
logging.basicConfig(format='%(asctime)s %(filename)s %(levelname)s: %(message)s', datefmt='%m/%d/%Y %I:%M:%S %p', level=logging.INFO) #filename='myapp.log',
logging.info('Started')
mylib.do_something()
logging.info('Finished')
if __name__ == '__main__':
main()
#mylib.py
import logging
def do_something():
logging.info('Do something')
In [4]: import myapp
In [5]: myapp.main()
03/06/2014 12:22:07 PM myapp.py INFO: Started
03/06/2014 12:22:07 PM mylib.py INFO: Do something
03/06/2014 12:22:07 PM myapp.py INFO: Finished
2)在主应用程序中使用根日志记录器,但在子模块中使用命名日志记录器,并在日志格式中使用“name”而不是“filename”:
# myapp.py
import logging
import mylib
def main():
#logging.basicConfig(format='%(asctime)s %(filename)s %(levelname)s: %(message)s', datefmt='%m/%d/%Y %I:%M:%S %p', level=logging.INFO) #filename='myapp.log',
logging.basicConfig(format='%(asctime)s %(name)s %(levelname)s: %(message)s', datefmt='%m/%d/%Y %I:%M:%S %p', level=logging.INFO) #filename='myapp.log',
logging.info('Started')
mylib.do_something()
logging.info('Finished')
if __name__ == '__main__':
main()
#mylib.py
import logging
def do_something():
#logging.info('Do something')
logger = logging.getLogger(__name__)
logger.info('Do something')
In [3]: import myapp
In [4]: myapp.main()
03/06/2014 12:27:29 PM root INFO: Started
03/06/2014 12:27:29 PM mylib INFO: Do something
03/06/2014 12:27:29 PM root INFO: Finished
目前没有回答
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