this post was submitted on 08 May 2025

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Python Decorators Considered Harmful (www.youtube.com)

submitted 23 hours ago by [email protected] to c/python

5 comments fedilink hide all child comments

Python decorators look like a great way to add functionality—until they break your type safety, hide function requirements, and turn debugging into a nightmare. This video shows you why decorators can be dangerous, the biggest pitfalls to watch out for, and when you should actually use them.

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[–] jimmux 10 points 20 hours ago

I can live with decorators in Python (and JavaScript while we're at it) because they're kind of in the spirit of the language. You have a big bag of tools and are trusted to use them responsibly.

I've only had problems when annotations in Java are used to do similar things. At some point you have to admit that all the bypassing of language features means you picked the wrong language, and maybe you don't want rigorous OO purity after all.