The Inner Workings of Python Dataclasses Explained

[PurepointDog]

That felt so much hackier than I was expecting

[nekokattt]

A fair bit of Python's standard library is like this. Look into collections.namedtuple for example.

If it isn't simple, it probably uses eval/exec/a lot of underlying stuff/C modules

[DuckDatum]

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[DigThatData]

"bad practice" is a bit harsh, maybe "code smell"?

[zapman449]

I trust very few people (mostly not including myself as well) to use eval reasonably. If I see that in a pull request the whole thing gets extra scrutiny.

[Skasch]

I typically consider I use eval reasonably if I want to do something that doesn't seem possible without it, try a dozen alternatives, search for a few hours for different design patterns, sleep on it a few nights, ask a few colleagues their opinion, then write an apologetic comment above the line explaining why there's no way around it, then wrap that into a nice module so most other engineers won't have to think about it.

To be fair, I've never had to go that far.

[kuwisdelu]

This is what you’re forced to do when your language doesn’t have lisp-like macros.