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py-ed25519-zebra-bindings: add build-py-ed25519-zebra-bindings.yml for riscv64 wheels #1

py-ed25519-zebra-bindings: add build-py-ed25519-zebra-bindings.yml for riscv64 wheels

py-ed25519-zebra-bindings: add build-py-ed25519-zebra-bindings.yml for riscv64 wheels #1

# SPDX-FileCopyrightText: 2026 The RISE Project
# SPDX-License-Identifier: MIT
---
# This workflow is based on the `linux`/`sdist` jobs of
# https://github.com/JAMdotTech/py-ed25519/blob/v1.3.0/.github/workflows/CI.yml
name: Build py-ed25519-zebra-bindings wheels (riscv64)
on:
workflow_dispatch:
inputs:
version:
description: 'py-ed25519-zebra-bindings version to build (git tag without the v prefix, e.g. 1.3.0)'
required: true
default: '1.3.0'
pull_request:
paths:
- '.github/workflows/build-py-ed25519-zebra-bindings.yml'
concurrency:
group: ${{ github.workflow }}-${{ inputs.version || '1.3.0' }}-${{ github.head_ref || github.run_id }}
cancel-in-progress: true
permissions:
contents: read # to fetch code (actions/checkout)
env:
# `inputs.version` is empty on pull_request events; default to 1.3.0 there.
PY_ED25519_ZEBRA_BINDINGS_VERSION: ${{ inputs.version || '1.3.0' }}
MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64
jobs:
setup:
uses: $/.github/workflows/_setup.yml
python_sdist:
needs: [setup]
runs-on: ubuntu-latest
outputs:
sdist_artifact_name: ${{ steps.build_sdist.outputs.sdist_artifact_name }}
package_version: ${{ steps.build_sdist.outputs.package_version }}
steps:
- name: Checkout py-ed25519-zebra-bindings v${{ env.PY_ED25519_ZEBRA_BINDINGS_VERSION }}
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
repository: JAMdotTech/py-ed25519
ref: v${{ env.PY_ED25519_ZEBRA_BINDINGS_VERSION }}
persist-credentials: false
- name: Install Python
uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
with:
python-version: '3.12'
activate-environment: true
enable-cache: false
- name: Build sdist
id: build_sdist
run: |
set -euo pipefail
rm -rf dist
uv pip install 'maturin>=1.7.0,<1.10.0' build
python -m build --sdist --outdir dist
sdist_name="$(ls dist)"
{
echo "sdist_artifact_name=${sdist_name}"
echo "package_version=$(echo "${sdist_name}" | sed -En 's/py_ed25519_zebra_bindings-(.+)\.tar\.gz/\1/p')"
} >> "$GITHUB_OUTPUT"
- name: Upload sdist artifact
uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
with:
name: ${{ steps.build_sdist.outputs.sdist_artifact_name }}
path: dist/${{ steps.build_sdist.outputs.sdist_artifact_name }}
if-no-files-found: error
build_wheels:
needs: [setup, python_sdist]
name: Build py-ed25519-zebra-bindings ${{ inputs.version || '1.3.0' }} ${{ matrix.python }}-manylinux_riscv64
runs-on: ubuntu-24.04-riscv
timeout-minutes: 60
strategy:
fail-fast: false
matrix:
# py-ed25519-zebra-bindings' pyo3 dependency has a plain
# `features = ["extension-module"]` (no abi3-pyNN), so every interpreter
# needs its own build.
python: ["cp312", "cp313", "cp314", "cp314t"]
steps:
- name: Fetch sdist artifact
id: fetch_sdist
uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
with:
name: ${{ needs.python_sdist.outputs.sdist_artifact_name }}
- name: Install uv
uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
with:
python-version: '3.12'
activate-environment: true
enable-cache: false
- name: Build and test wheel
env:
CIBW_ARCHS: riscv64
# musllinux can't build: rustup.rs ships no riscv64 musl toolchain.
CIBW_BUILD: ${{ matrix.python }}-manylinux_riscv64
CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
# py-ed25519-zebra-bindings ships no [tool.cibuildwheel], so the Rust
# toolchain its maturin backend needs is installed in-container here.
CIBW_BEFORE_ALL_LINUX: >-
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
CIBW_ENVIRONMENT_LINUX: 'PATH="$PATH:$HOME/.cargo/bin"'
# No python-source in pyproject.toml, so maturin ships an auto-generated
# ed25519_zebra/__init__.py shim around the compiled
# ed25519_zebra/ed25519_zebra.*.so submodule - probe that submodule, not
# the top-level import. Test vectors are upstream's own tests.py
# fixed-key cases, avoiding a dependency on the separately-ported
# py-bip39-bindings.
CIBW_TEST_COMMAND: >-
python -c "import ed25519_zebra.ed25519_zebra as m, importlib.metadata as md;
assert m.__file__.endswith('.so'), m.__file__;
assert any(str(p).endswith('licenses/LICENSE') for p in md.files('py_ed25519_zebra_bindings'));
public_key = bytes.fromhex('fd8c9f401e9b5db50685be590b4f8e5a10d4abfef9a532ee903f125fd11f129c');
signature = bytes.fromhex('33185bf9e8f6b354751ef7c7a7c692b3d51d5096e52c4c08e8b307f804d025f3f14a060b8c1ad11f92fe0be4cae2c620d86d6012f90d071fb8dbadac2774df02');
assert m.ed_verify(signature, b'test', public_key);
assert not m.ed_verify(signature, b'tampered', public_key);
private_key = bytes(32);
expected_public = bytes.fromhex('3b6a27bcceb6a42d62a3a8d02a6f0d73653215771de243a63ac048a18b59da29');
assert m.ed_public_from_secret(private_key) == expected_public;
print('ed25519_zebra OK')"
run: |
set -euo pipefail
mkdir py-ed25519-zebra-bindings
tar zxf "${{ steps.fetch_sdist.outputs.download-path }}/${{ needs.python_sdist.outputs.sdist_artifact_name }}" \
--strip-components=1 -C py-ed25519-zebra-bindings
uv pip install --upgrade cibuildwheel
python -m cibuildwheel --output-dir wheelhouse ./py-ed25519-zebra-bindings
- uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
with:
name: py-ed25519-zebra-bindings-${{ env.PY_ED25519_ZEBRA_BINDINGS_VERSION }}-${{ matrix.python }}-manylinux_riscv64
path: ./wheelhouse/*.whl
if-no-files-found: error
publish:
name: Publish py-ed25519-zebra-bindings ${{ inputs.version || '1.3.0' }}
needs: [setup, build_wheels]
permissions:
contents: write
pull-requests: write
uses: $/.github/workflows/_publish-wheel.yml
with:
artifact-pattern: py-ed25519-zebra-bindings-${{ inputs.version || '1.3.0' }}-*-manylinux_riscv64