Logging in Python

Setting up an application or a library to log is not just good practice; it is a key task of a responsible developer. It is as important as writing documentation or tests. Many people consider logging the runtime documentation, the same way developers read the documentation when interacting with the DevOps source code, and other developers will use the log traces when the application is running.

Hardcore logging advocates state that debuggers are extremely overused, and people should rely more on logging, using both info and trace logs to troubleshoot their code in development.

The idea is that if you are not able to troubleshoot your code with the highest level of verbosity in development, then you may have issues in production that you won’t be able to figure out the root issue of. In this part, we will cover how logging works and how to configure it to not fall into those kinds of issues.

Using logging

Logging is the best way to let the users...