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How do you log in your projects?

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From: lied...@punkt.de (Lars Liedtke)
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Subject: How do you log in your projects?
Date: Tue, 8 Feb 2022 15:13:07 +0100
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by: Lars Liedtke - Tue, 8 Feb 2022 14:13 UTC

Hello,

inspired by this thread
https://mail.python.org/pipermail/python-list/2022-February/905167.html
I finally came around to send in this question.

I know how to use python logging generally. Being on the DevOps-Side of
things at the moment, I naturally began liking to run tools, which not
only have logging, but also have different levels of logging
configurable, because often when you run a couple of different services
and software projects, logging is often the first help you turn to, and
sometimes it is the only way to know what is going on. Not that the code
of most (FLOSS) software is not available, but you simply do not have
the time to read into the code of every piece of software you run.

So of course I want to write software on my own, if I have to or wpuld
like to, that has got a decent amount of logging. But how often to
actually log things? Of course the obvious answer is "it depends".

So how do you do your logging?
- On a line per line basis? on a function/method basis?
- Do you use decorators to mark beginnings and ends of methods/functions
in log files?
- Which kind of variable contents do you write into your logfiles? Of
course you shouldn't leak secrets...
- How do you decide, which kind of log message goes into which level?
- How do you prevent logging cluttering your actual code?

Maybe there are some questions I forgot, so please feel free to add
whatever you think might help finding the best way of logging (tm)

Cheers

Lars

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Subject	Author
How do you log in your projects?	Lars Liedtke