extism VS wasmtime-py

Extism can be really useful for packaging up and running cross-language libraries!

The most clear information about it is at: https://extism.org, but its a bit focused on the primary use case for Extism, being a universal plugin system.

There is a C PDK (https://github.com/extism/c-pdk) which you'd probably want to use in a new wrapper around your library in C++, and compile it to wasm32 freestanding or WASI, but without emscripten. Extism doesn't currently have an interop layer to emscripten.

It may just be my own unique obsession to peek at the internals of .wasm, but if anyone else is curious:

https://modsurfer.dylibso.com/module?hash=ab6f4b2de9db171347...

u/nbittich - curious if you've tried to use your language as as a scripting language inside other apps? I took a peak at your browser wasm environment, and think we could hook up the `compute` entrypoint you have here[0], but I'm not certain what the `ctx` does without going super deep, and if it could be passed into an Extism function[1] (which is how I'd try to run it from within 16+ other languages).

[0]: https://github.com/nbittich/adana/blob/master/adana-script-w...

[1]: https://github.com/extism/extism

Yep, this is one of the initial motivations for creating Extism: https://github.com/extism/extism -- and it works across 16 host languages & 8 guest languages.

On the devx, there's definitely some rough edges around building and using Wasm. My company has been working on a framework to ease integrating Wasm into existing applications. One area it focuses on is providing easy data passing between the host program and the Wasm and vice versa. https://github.com/extism/extism We do not have WASI preview 2 support yet, but are interested in integrating it.

Extism handles this really well across 16 or so different languages - and you don’t need to write a whole IDL / schema.

https://github.com/extism/extism

It’s a general purpose framework for building with WebAssembly and sharing code across languages is a great way to put it to work.

Perhaps using WASM via something like https://extism.org/. That would also open it up to building plugins in multiple languages.

Tangential to this I've wondered if it's possible or advisable to have a utility to port VS Code plugins to a plugin that's compatible with the JetBrains IDEs.

you may want to take a look at https://github.com/extism/extism

PyOdide isn't currently supported outside of browsers, though that might change.

Either way, I couldn't figure out how to do the above sequence of steps with any of the available Python WASM runtimes - they're all very under-documented at the moment, sadly. I tried all three of these:

- https://github.com/wasmerio/wasmer-python

- https://github.com/bytecodealliance/wasmtime-py

- https://github.com/wasm3/pywasm3

Wasmtime's `wasmtime-py` embedding in python has support for Wasm Components: https://github.com/bytecodealliance/wasmtime-py#components (disclosure, I helped create it)

The remaining piece of the puzzle would be to create a wit-bindgen guest generator https://github.com/bytecodealliance/wit-bindgen#guests for this build of the python interpreter. You could then seamlessly call back and forth between the host and guest pythons, without even knowing that wasmtime is under the hood.