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scikit-build-core build that fetches and compiles lib3mf's C++ library into the lib3mf package, mirroring upstream's aarch64.yml narrowed to riscv64. Patch the Linux machine allowlist in __init__.py, and ship the licences of lib3mf and the libraries it links statically.
luhenry
marked this pull request as draft
October 14, 2026 11:31
luhenry
marked this pull request as ready for review
October 15, 2026 12:12
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py-lib3mf2.5.0Compiles lib3mf's C++ library (fetched at the matching tag) into the
lib3mfpackage, a drop-in for thelib3mfdistribution. Upstream publishes no riscv64 wheel, only aarch64.Mirrors upstream's
aarch64.yml.Differs from upstream
SKBUILD_WHEEL_LICENSE_FILESwidened - the default glob missesLicense.txtand the linked libraries' licences.Matrix: cp312, cp313, cp314 - upstream builds cp310-cp314 only and ships no free-threaded wheel.
Testing
License: Wheel bundles lib3mf (BSD-2-Clause), zlib (Zlib), libzip (BSD-3-Clause), cpp-base64 (Zlib) and fast_float (MIT); upstream ships no licence text for them, so the build adds it.
Patches
0001-Allow-importing-on-linux-riscv64.patch- To upstream.__init__.pyraisesOSErroron any Linux machine but x86_64/aarch64; riscv64-only.