python-publish.yml

name: Build binary wheels and upload to PyPI

on:
  release:
    types: [created]
  schedule:
    # Build nightly at 05:43 UTC
    - cron:  '43 5 * * *'
  workflow_dispatch:  # allow running manually from 'Actions' tab

jobs:
  build-source-distribution:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Set up Python
      uses: actions/setup-python@v2
    - name: Build
      run: python setup.py sdist
    - uses: actions/upload-artifact@v2
      with:
        name: python-package-distributions
        path: dist/

  build-wheels-manylinux1:
    # Note: the 'manylinux1' image will no longer be supported by PyPA
    # after 2022-01-01.
    # See: https://github.com/pypa/manylinux/issues/994
    name: Build wheels on ubuntu-20.04 - x86_64 - manylinux1

    runs-on: ubuntu-20.04

    steps:
    - uses: actions/checkout@v2
      with:
        submodules: 'recursive'

    - name: Build Wheels
      uses: pypa/cibuildwheel@v2.1.1
      env:
        CIBW_ARCHS_LINUX: x86_64
        CIBW_MANYLINUX_X86_64_IMAGE: manylinux1
        CIBW_SKIP: "cp310-*"  # manylinux1 has no support for 3.10.x Python
        CIBW_ENVIRONMENT: >
            CRC32C_PURE_PYTHON="0"
            CRC32C_INSTALL_PREFIX="$(pwd)/usr"
        CIBW_BUILD_VERBOSITY: 1
        # Build the C library inside CIBW so that the manylinux image is
        # used to link the share library;  otherwise, our extension wouldn't
        # be able to link with it.
        CIBW_BEFORE_BUILD: >
            python -m pip install --upgrade setuptools pip wheel &&
            python -m pip install cmake &&
            cmake -S google_crc32c -B build \
                -DCMAKE_BUILD_TYPE=Release \
                -DCRC32C_BUILD_TESTS=no \
                -DCRC32C_BUILD_BENCHMARKS=no \
                -DBUILD_SHARED_LIBS=yes \
                -DCMAKE_INSTALL_PREFIX:PATH=$(pwd)/usr &&
            make -C build all install
        CIBW_TEST_REQUIRES: pytest
        CIBW_TEST_COMMAND: py.test -v {project}/tests/

    - uses: actions/upload-artifact@v2
      with:
        name: python-package-distributions
        path: wheelhouse/

  build-wheels-linux:
    name: Build wheels on ${{ matrix.os }} - ${{ matrix.arch }}

    strategy:
      matrix:
        os:
        - ubuntu-20.04
        arch:
        - x86_64
        - i686
        - aarch64

    runs-on: ${{ matrix.os }}

    steps:
    - uses: actions/checkout@v2
      with:
        submodules: 'recursive'

    - name: Set up QEMU for ARM64 cross compile
      if: ${{ matrix.arch }} == 'aarch64'
      id: qemu
      uses: docker/setup-qemu-action@v1

    - name: Build Wheels
      uses: pypa/cibuildwheel@v2.1.1
      env:
        CIBW_ARCHS_LINUX: ${{ matrix.arch }}
        CIBW_ENVIRONMENT: >
            CRC32C_PURE_PYTHON="0"
            CRC32C_INSTALL_PREFIX="$(pwd)/usr"
        CIBW_BUILD_VERBOSITY: 1
        # Build the C library inside CIBW so that the manylinux image is
        # used to link the share library;  otherwise, our extension wouldn't
        # be able to link with it.
        CIBW_BEFORE_BUILD: >
            python -m pip install --upgrade setuptools pip wheel &&
            python -m pip install cmake &&
            cmake -S google_crc32c -B build \
                -DCMAKE_BUILD_TYPE=Release \
                -DCRC32C_BUILD_TESTS=no \
                -DCRC32C_BUILD_BENCHMARKS=no \
                -DBUILD_SHARED_LIBS=yes \
                -DCMAKE_INSTALL_PREFIX:PATH=$(pwd)/usr &&
            make -C build all install
        CIBW_TEST_REQUIRES: pytest
        CIBW_TEST_COMMAND: py.test -v {project}/tests/

    - uses: actions/upload-artifact@v2
      with:
        name: python-package-distributions
        path: wheelhouse/

  build-wheels-macos:
    name: Build wheels on ${{ matrix.os }} - ${{ matrix.arch }}
    strategy:
      matrix:
        os:
        - macos-10.15
       #- macos-11
        arch:
        - x86_64
        - universal2
    runs-on: ${{ matrix.os }}
    steps:

    - uses: actions/checkout@v2
      with:
        submodules: 'recursive'

    - name: Get C library hash
      id: get-c-lib-hash
      run:
        echo "::set-output name=hash::$(git -C google_crc32c log -n 1 --pretty=%H)"

    - id: load-cache
      name: Load cached C library
      uses: actions/cache@v2
      with:
        path: ${{ github.workspace }}/usr
        key:
            libcrc32c-${{ matrix.os }}-${{ steps.get-c-lib-hash.outputs.hash }}

    - name: Build C Library
      if: steps.load-cache.outputs.cache-hit != 'true'
      run: >
        python -m pip install --upgrade setuptools pip wheel &&
        python -m pip install cmake &&
        cmake -S google_crc32c -B build \
            -DCMAKE_BUILD_TYPE=Release \
            -DCMAKE_OSX_DEPLOYMENT_TARGET=10.9 \
            -DCMAKE_OSX_ARCHITECTURES="arm64;x86_64" \
            -DCRC32C_BUILD_TESTS=no \
            -DCRC32C_BUILD_BENCHMARKS=no \
            -DBUILD_SHARED_LIBS=yes \
            -DCMAKE_INSTALL_PREFIX:PATH=${{ github.workspace }}/usr \
            -DCMAKE_INSTALL_NAME_DIR:PATH=${{ github.workspace }}/usr/lib &&
        make -C build all install

    - name: Build Wheels
      uses: pypa/cibuildwheel@v2.1.1
      env:
        CIBW_ARCHS_MACOS: ${{ matrix.arch }}
        CIBW_ENVIRONMENT: >
            CRC32C_PURE_PYTHON="0"
            CRC32C_INSTALL_PREFIX="$(pwd)/usr"
        CIBW_BUILD_VERBOSITY: 1
        CIBW_TEST_REQUIRES: pytest
        CIBW_TEST_COMMAND: py.test -v {project}/tests/

    - uses: actions/upload-artifact@v2
      with:
        name: python-package-distributions
        path: wheelhouse/

  build-wheels-windows:
    name: Build wheels on ${{ matrix.os }} ( ${{ matrix.platform }} )

    strategy:
      matrix:
        os:
        - windows-2019
        platform:
        - x64
        - Win32

    runs-on: ${{ matrix.os }}

    steps:

    - uses: actions/checkout@v2
      with:
        submodules: 'recursive'

    - name: Get C library hash
      id: get-c-lib-hash
      run:
        echo "::set-output name=hash::$(git -C google_crc32c log -n 1 --pretty=%H)"

    - id: load-cache
      name: Load cached C library
      uses: actions/cache@v2
      with:
        path: ${{ github.workspace }}\usr
        key:
            libcrc32c-${{ matrix.os }}-${{ matrix.platform }}-${{ steps.get-c-lib-hash.outputs.hash }}

    - name: Build C Library
      if: steps.load-cache.outputs.cache-hit != 'true'
      run: |
        python -m pip install --upgrade setuptools pip wheel
        python -m pip install cmake
        cmake -S google_crc32c -B build -G "Visual Studio 16 2019" -A ${{ matrix.platform }} -DCRC32C_BUILD_BENCHMARKS=no -DCRC32C_BUILD_TESTS=no -DBUILD_SHARED_LIBS=no -DCMAKE_WINDOWS_EXPORT_ALL_SYMBOLS=yes -DCRC32C_USE_GLOG=0
        cmake --build build --verbose --config Release
        cmake --install build --verbose --config Release --prefix=${{ github.workspace }}\usr\

    # Passing through ${{ github.workspace }} to CIBW_ENVIRONMENT mangles
    # backslashes:  compute a variant which uses only forward-slashses.
    - id: crc32c-install-prefix
      name: Dead-reckon a CIBW-compatible install prefix
      shell: bash
      run: |
        python -c "import os; workspace = '/'.join(os.getenv('GITHUB_WORKSPACE').split(os.sep)); pfx = f'{workspace}/usr'; print(f'::set-output name=prefix::{pfx}')"

    - id: platform-arch
      name: Map platform -> wheel arch
      shell: bash
      run: |
        if [[ "${{ matrix.platform }}" == "Win32" ]]; then
            echo "::set-output name=arch::x86"
        else
            echo "::set-output name=arch::AMD64"
        fi

    - name: Build Wheels
      uses: pypa/cibuildwheel@v2.1.1
      env:
        CIBW_ARCHS_WINDOWS: ${{ steps.platform-arch.outputs.arch }}
        CIBW_ENVIRONMENT: >
            CRC32C_INSTALL_PREFIX="${{ steps.crc32c-install-prefix.outputs.prefix }}"
            CRC32C_PURE_PYTHON="0"
        CIBW_BUILD_VERBOSITY: 1
        CIBW_TEST_REQUIRES: pytest
        CIBW_TEST_COMMAND: py.test -v {project}/tests

    - uses: actions/upload-artifact@v2
      with:
        name: python-package-distributions
        path: wheelhouse/


  publish:
    if: github.event_name == 'release'
    needs:
      - build-source-distribution
      - build-wheels-manylinux1
      - build-wheels-linux
      - build-wheels-macos
      - build-wheels-windows
    runs-on: ubuntu-latest
    steps:
      - name: Download all the dists
        uses: actions/download-artifact@v2
        with:
          name: python-package-distributions
          path: dist/
      - name: Download all the wheels
        uses: actions/download-artifact@v2
        with:
          name: python-package-distributions
          path: wheelhouse/
      - name: What will we publish?
        run: ls wheelhouse/
      - name: Publish Source Distribution
        uses: pypa/gh-action-pypi-publish@master
        with:
          user: __token__
          password: ${{ secrets.PYPI_API_TOKEN }}
          packages_dir: dist/
          skip_existing: true
          # repository_url: https://test.pypi.org/legacy/
      - name: Publish Wheels
        uses: pypa/gh-action-pypi-publish@master
        with:
          user: __token__
          password: ${{ secrets.PYPI_API_TOKEN }}
          packages_dir: wheelhouse/
          skip_existing: true
          # repository_url: https://test.pypi.org/legacy/