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ormsgpack is a PyO3/maturin msgpack serializer. Upstream's release workflow drives maturin-action, which has no riscv64 path, so this is the standard build-from-checkout cibuildwheel shape with the Rust toolchain installed in the manylinux container, on the same pinned nightly upstream releases with: the `unstable-simd` feature needs `feature(core_intrinsics)` plus bytecount's portable-SIMD backend, both nightly-only. Both are architecture agnostic, so unlike upstream's armv7 job riscv64 keeps `unstable-simd` enabled. musllinux is dropped: rustup publishes rust-std but no rustc/cargo host toolchain for riscv64gc-unknown-linux-musl. Tests mirror `uv run --no-sync pytest` from upstream's build jobs, with the dev/numpy dependency groups reduced to what tests/ actually imports; numpy resolves from pypi.riseproject.dev. Validated under QEMU riscv64 in quay.io/pypa/manylinux_2_39_riscv64: the cp312 wheel builds with `--features unstable-simd`, auditwheel-repairs to manylinux_2_39_riscv64 carrying LICENSE-APACHE/LICENSE-MIT, and the suite runs 516 passed, 1 skipped.
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Adds
.github/workflows/build-ormsgpack.yml, building ormsgpack 1.12.2 riscv64 wheels for cp312/cp313/cp314/cp314t.Shape
ormsgpack is a PyO3/maturin extension. Upstream's
release.ymldrivesPyO3/maturin-action, which has no riscv64 path, so this is the standard build-from-checkout cibuildwheel shape: check outormsgpack/ormsgpackat the tag, install the Rust toolchain in the manylinux container viaCIBW_BEFORE_ALL_LINUX, and pass--features unstable-simdto the maturin PEP 517 backend throughMATURIN_PEP517_ARGS.The toolchain is pinned to
nightly-2025-11-28, theRUST_TOOLCHAINupstream releases 1.12.2 with. Nightly is required byunstable-simd, which turns onfeature(core_intrinsics)insrc/lib.rsandbytecount/generic-simd(feature(portable_simd)). Both are architecture agnostic, so — unlike upstream's armv7 job, which drops the feature — riscv64 keeps it. rustup publishes ariscv64gc-unknown-linux-gnuhost toolchain for that date.musllinux is dropped: rustup's nightly manifest has
rust-stdbut norustc/cargoforriscv64gc-unknown-linux-musl, so there is no host toolchain to build with inside a musl container (same reason as tiktoken and fastuuid).Tests mirror upstream's
uv run --no-sync pytest, with thedev/numpydependency groups reduced to whattests/actually imports (the rest are lint and typing tools). numpy has no riscv64 wheel on public PyPI, soPIP_EXTRA_INDEX_URLpoints the container atpypi.riseproject.dev.Local validation
actionlintclean apart from the expectedubuntu-24.04-riscvlabel warning. Full build + test cycle run under QEMU riscv64 inquay.io/pypa/manylinux_2_39_riscv64:cargo check --features unstable-simdcompiles onrustc 1.93.0-nightly (c86564c41 2025-11-27), hostriscv64gc-unknown-linux-gnu.python -m build --wheelwithMATURIN_PEP517_ARGS="--features unstable-simd"producesormsgpack-1.12.2-cp312-cp312-linux_riscv64.whl;auditwheel repairretags itmanylinux_2_34_riscv64.manylinux_2_39_riscv64and it carriesormsgpack/ormsgpack.cpython-312-riscv64-linux-gnu.soplusdist-info/licenses/LICENSE-APACHEandLICENSE-MIT(licensing check: the wheel ships both of upstream's licences, no patch needed).test-sourcesdoes and runningpython -m pytest tests: 516 passed, 1 skipped.