How To Use Logging In Multiple Modules?

Better Stack Team
Updated on October 5, 2023

It's recommended to have a logger defined in each module like this:

 
import logging
logger = logging.getLogger(__name__)

Then in your main program, do the following:

 
import logging.config
logging.config.fileConfig('/path/to/logging.conf')

If you want to use one logger, you can create a variable for the logging module:

 
import logging

logger = logging
logger.basicConfig()

Then in other files, you will import the logger and use it from now on:

 
from base_logger import logger

Every logger is a child of the parent's package logger. Meaning that all you need to do is configure the root logger.

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