How to use logger with one basic config across app in Python

Question

I want to improve my understanding of how to use logging correctly in Python. I want to use .ini file to configure it and what I want to do:

define basic logger config through .fileConfig(...) in some .py file
import logger, call logger = logging.getLogger(__name__) across the app and be sure that it uses my config file that I was loaded recently in different .py file

I read few resources over Internet ofc but they are describing tricks of how to configure it etc, but want I to understand is that .fileConfig works across all app or works only for file/module where it was declared. Looks like I missed some small tip or smth like that.

blues · Accepted Answer · 2020-02-05 15:09:04Z

1

It works across the whole app. Be sure to configure the correct loggers in the config. logger = logging.getLogger(__name__) works well if you know how to handle having a different logger in every module, otherwise you might be happier just calling logger = logging.getLogger("mylogger") which always gives you the same logger. If you only configure the root logger you might even skip that and simply use logging.info("message") directly.

answered Feb 5, 2020 at 15:09

blues

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