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opendp (MIT) is a Rust differential-privacy library exposed to Python as a plain cdylib via setuptools-rust (binding=NoBinding, no CPython linkage). PyPI ships manylinux x86_64/aarch64, musllinux, macOS and Windows wheels but no riscv64. Generates the Python glue code once (upstream's own "bindings" feature, architecture-independent) on a standard runner, then compiles the cdylib on the riscv64 runner with cibuildwheel, mirroring upstream's own .build.yml x86_64 job narrowed to riscv64.
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…on -> no-gap; piper-phonemize/concrete-python -> parked
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opendp0.16.0Compiles a Rust differential-privacy library as a plain cdylib (setuptools-rust,
binding=NoBinding, no CPython linkage at all) dlopened via ctypes at import time. Upstream publishes no riscv64 wheel.Mirrors the x86_64 job of upstream's
.build.yml: generate the Python glue code once (upstream's own architecture-independentbindingsfeature), build the sdist, then compile on riscv64 with cibuildwheel.Differs from upstream
bindings/python-sdistjobs - no other OS/arch to share the glue code with.bdist_wheel- riscv64 is a native runner here, so it follows the x86_64 cibuildwheel shape instead.Testing
python -c "import opendp")License: OK
Draft: the default-feature vendored OpenSSL build and the pinned
polarscrate make this a long, unproven riscv64 build - opening for CI visibility before claiming it works.