I actually don't think Click is too much global state and spookiness, at least in relation to a lot of popular Python libraries.

I do wish I could hook into it to test better, the only thing you can really do right now is to have it print stuff out and assert the output string. It's not really necessary to just build a CLI with click, but I want to build a library that integrates with it and testing the integration is a PITA.

I want to write a config-loading library for CLI apps like Golang's Viper lib, but for Python