build-blosc2.yml

# SPDX-FileCopyrightText: 2026 The RISE Project
# SPDX-License-Identifier: MIT
---
# This workflow is based on the `build_wheels` job of
# https://github.com/Blosc/python-blosc2/blob/v4.11.0/.github/workflows/cibuildwheels.yml
name: Build blosc2 wheels (riscv64)

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Version glob to (re)build; empty builds every version of docs/packages/blosc2.yaml not released yet'
        required: false
        default: ''
  pull_request:
    branches: [main]
    paths:
      - '.github/workflows/build-blosc2.yml'
      - 'docs/packages/blosc2.yaml'
  push:
    branches: [main]
    paths:
      - '.github/workflows/build-blosc2.yml'
      - 'docs/packages/blosc2.yaml'

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

permissions:
  contents: read  # to fetch code (actions/checkout)

env:
  MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64

jobs:
  setup:
    uses: $/.github/workflows/_setup.yml
    with:
      package: blosc2
      version: ${{ inputs.version }}

  build_wheels:
    needs: [setup]
    if: needs.setup.outputs.versions != '[]'
    name: Build blosc2 ${{ matrix.version }} ${{ matrix.tag }}-manylinux_riscv64
    runs-on: ubuntu-24.04-riscv
    timeout-minutes: ${{ matrix.timeout }}
    strategy:
      fail-fast: false
      matrix:
        version: ${{ fromJSON(needs.setup.outputs.versions) }}
        include:
          # scikit-build-core builds a single cp311-abi3 wheel (pyproject.toml's
          # wheel.py-api) covering CPython 3.11+; built on cp311, the oldest
          # interpreter the tag claims, and re-tested on the newer ones. Only
          # cp314t is built free-threaded: numpy has no riscv64 wheel yet for
          # cp315/cp315t anywhere (our registry or public PyPI), which upstream's
          # own cp315t leg would otherwise need building from source.
          - tag: cp311-abi3
            build: >-
              cp311-manylinux_riscv64 cp312-manylinux_riscv64
              cp313-manylinux_riscv64 cp314-manylinux_riscv64
            timeout: 360
          - tag: cp314t
            build: cp314t-manylinux_riscv64
            timeout: 120

    env:
      BLOSC2_VERSION: ${{ matrix.version }}

    steps:
      - name: Checkout python-blosc2 v${{ env.BLOSC2_VERSION }}
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
        with:
          repository: Blosc/python-blosc2
          ref: v${{ env.BLOSC2_VERSION }}
          persist-credentials: false

      - uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
        env:
          CIBW_ARCHS: riscv64
          CIBW_BUILD: ${{ matrix.build }}
          CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
          # numpy/ndindex/numexpr have riscv64 wheels only on our registry;
          # msgpack, pydantic, httpx, rich and threadpoolctl already have them
          # (or a pure py3-none-any wheel) on public PyPI.
          CIBW_ENVIRONMENT: >-
            PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/
            PIP_ONLY_BINARY=numpy
          CIBW_TEST_REQUIRES: pytest
          CIBW_TEST_SOURCES: tests
          # Mirrors the subset upstream's own CI runs against both the sdist
          # build and the built abi3 wheel (cibuildwheels.yml's sdist-test and
          # test_abi3_matrix steps).
          CIBW_TEST_COMMAND: >-
            python -m pytest {project}/tests/test_open.py {project}/tests/test_vlmeta.py
            {project}/tests/ndarray/test_evaluate.py
          # The extensions declare no Py_mod_gil slot, so cp314t re-enables the
          # GIL on import and pytest.ini's `filterwarnings = error` (picked up
          # from {project}) turns that into a collection error (gotcha 127).
          CIBW_TEST_ENVIRONMENT: PYTHON_GIL=1

      - name: Check wheel contents
        if: ${{ matrix.tag == 'cp311-abi3' }}
        run: |
          python3 - wheelhouse/*.whl <<'EOF'
          import sys, zipfile
          path = sys.argv[1]
          assert "-cp311-abi3-" in path, path
          names = zipfile.ZipFile(path).namelist()
          exts = {n.rsplit("/", 1)[1] for n in names if n.endswith(".abi3.so")}
          assert exts == {"blosc2_ext.abi3.so", "indexing_ext.abi3.so",
                           "groupby_ext.abi3.so", "utf8_ext.abi3.so"}, exts
          licences = {n.split(".dist-info/licenses/", 1)[1] for n in names
                      if ".dist-info/licenses/" in n and not n.endswith("/")}
          assert licences == {"LICENSE.txt", "miniexpr/LICENSE", "miniexpr/LICENSE-LIBTCC",
                               "miniexpr/LICENSE-SLEEF", "miniexpr/LICENSE-TINYEXPR",
                               "miniexpr/THIRD_PARTY_NOTICES.md"}, licences
          EOF

      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
        with:
          name: blosc2-${{ env.BLOSC2_VERSION }}-${{ matrix.tag }}-manylinux_riscv64
          path: ./wheelhouse/*.whl
          if-no-files-found: error

  publish:
    name: Publish blosc2 ${{ matrix.version }}
    needs: [setup, build_wheels]
    if: needs.setup.outputs.versions != '[]'
    strategy:
      fail-fast: false
      matrix:
        version: ${{ fromJSON(needs.setup.outputs.versions) }}
    permissions:
      contents: write
      pull-requests: write
    uses: $/.github/workflows/_publish-wheel.yml
    secrets:
      app-private-key: ${{ secrets.RISEPROJECT_APP_PRIVATE_KEY }}
    with:
      artifact-pattern: blosc2-${{ matrix.version }}-*-manylinux_riscv64