I have created a python project that you can use python to setup a project in the sb3 file format. The end goal for this project is to decode another project like a small 2d unity one and import it into scratch or too import snippets of code from a real language into scratch.

Github: https://github.com/jimmyjames808/ScratchEncoder

I'll move this over to the Advanced Topics section for you - that's a better fit for this kind of topic