this post was submitted on 29 Aug 2023

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UniFFI - automatically generate foreign-language bindings targeting Rust libraries (mozilla.github.io)

submitted 1 year ago by lysdexic@programming.dev to c/rust@programming.dev

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[–] 0xDEADBEEFCAFE@programming.dev 2 points 1 year ago (1 children)

That's a bummer. I guess what I though was PyO3 type hints was actually just PyCharm guessing at the types.

I tried creating a .pyi file and it seems to be a pretty big improvement over no type hints, but I don't know how to add type hints for modules added with PyModule::add_module and adding the .pyi file seems to make the type checker not know about my other modules.

Would you mind sharing the script for auto generating type hints? Keeping them in sync manually would be pretty annoying.

[–] Walnut356@programming.dev 3 points 1 year ago

Here's the script. It's nothing fancy, and iirc it only works for top level functions/classes. That means you still have to take care of attributes and methods which is a little annoying, but for simple stuff it should save a bit of time.