Django 3 Web Development Cookbook - Fourth Edition

How it works...

The system-check framework has a bunch of checks in the models, fields, databases, administration authentication configuration, content types, and security settings, where it raises errors or warnings if something in the project is not set correctly. Additionally, you can create your own checks, similar to what we did in this recipe.

We have registered the settings_check() function, which returns a list with Warning if there is no ADMINS setting defined for the project.

Aside from the Warning instances from the django.core.checks module, the returned list can also contain instances of the Debug, Info, Error, and Critical built-in classes or any other class inheriting from django.core.checks.CheckMessage. Logging at the debug, ...