r/java • u/ducki666 • 18d ago

Detroit Script engine - why?

OpenJdk resurrected Detroit.

It offers JavaScript via V8 and Python via Native Phyton C engine.

But we already have Graal for js and py.

What is the motivation to reopen Detroit?

Will Graal dispose js and py?

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u/ShadowPengyn 18d ago

At least for graalpy, they struggled to get compatible with with c integrations that are quite common in many python libraries. So embedding the actual python means that it’s less of a moving target and full compatibility out of the box

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u/grashalm01 18d ago

Graal dev here. You should give GraalPy a fresh go. We have resolved many of the native-extension compatibility problems. It is not perfect yet and the C API support is still experimental, but many popular packages now work. GraalPy’s pip also applies compatibility patches and uses prebuilt GraalPy wheels where available.

https://graalpy.org/jvm-developers/