build.yml

# Initial workflow for building manylinux wheel using `maturin` forked from:
# https://github.com/konstin/complex-manylinux-maturin-dockers

name: Build

on:
  push:
    branches:
      - main
  pull_request:

jobs:

  # ============ #
  # Linux Wheels #
  # ============ #
  #
  # Build and test Linux wheels.
  #
  manylinux-wheels-via-rust-stable:
    name: manylinux wheels via Rust stable
    runs-on: ubuntu-latest
    container: quay.io/pypa/manylinux2014_x86_64
    steps:
      # Checkout the repo.
      - uses: actions/checkout@v1

      # Install Rust.
      - name: Install stable Rust toolchain
        # # # run: curl --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain stable
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          default: true
          override: true
        
      # Install Nox.
      - name: Install Nox
        # (Only need to run Nox with python 3.9, it will launch other pythons.)
        run: |
          source $HOME/.cargo/env
          for PYBIN in /opt/python/cp3[9]*/bin; do
            $PYBIN/python -m pip install nox
          done

      # Insert steps here to install your other dependencies. Note that you're running inside of cent os 7, not ubuntu
      #
      # For example:
      # - name: Installing custom dependency
      #   run: echo "Installing custom dependency"
      - name: Install openssl-devel
        run: yum install -y openssl-devel
        
      # Build the wheels.
      - name: Build wheels
        run: |
          source $HOME/.cargo/env
          for PYBIN in /opt/python/cp3[6789]*/bin; do
            "${PYBIN}/pip" install maturin
            "${PYBIN}/maturin" build -m Cargo.toml -i "${PYBIN}/python" --release --manylinux 2014
          done

      # Auditwheel repair.
      #
      # Auditwheel isn't generally necessary. This is only shown as reference for cases where you link external libraries, in which case you have to set manylinux to off and then use `auditwheel repair`.
      #
      # For example:
      # - name: Auditwheel repair
      #   run: |
      #     for wheel in nightly-only/target/wheels/*.whl; do
      #         auditwheel repair "${wheel}"
      #     done

      # Debug print some directories.
      - name: Debug Print Dirs
        run: |
          echo "ls working directory..."
          ls
          echo "ls target/wheels..."
          ls target/wheels
      
      # Run tests on all the supported/installed pythons.
      # # # - uses: excitedleigh/setup-nox@v2.0.0
      - name: Run Nox
        # (Only need to run Nox with python 3.9, it will launch other pythons.)
        run: |
          source $HOME/.cargo/env
          for PYBIN in /opt/python/cp3[9]*/bin; do
            $PYBIN/python -m nox
          done

      # Upload target/wheels.
      - name: Upload target/wheels
        uses: actions/upload-artifact@v2
        with:
          name: manylinux-wheels
          path: target/wheels

  # ============ #
  # macOS Wheels #
  # ============ #
  #
  # Build and test macOS wheels.
  #
  macos-wheels-via-rust-stable:
    name: macOS wheels via Rust stable
    # For now we build for macOS Catalina (macos-10.15) - Big Sur maybe later? -2021-06-16
    runs-on: macos-10.15
    steps:
      - uses: actions/checkout@v1

      # Install Pythons.
      - uses: actions/setup-python@v2
        with:
          python-version: '3.6'
      - run: echo "PY_3_6=$(python -c "import sys; print(sys.executable)")" >> $GITHUB_ENV

      - uses: actions/setup-python@v2
        with:
          python-version: '3.7'
      - run: echo "PY_3_7=$(python -c "import sys; print(sys.executable)")" >> $GITHUB_ENV

      - uses: actions/setup-python@v2
        with:
          python-version: '3.8'
      - run: echo "PY_3_8=$(python -c "import sys; print(sys.executable)")" >> $GITHUB_ENV

      - uses: actions/setup-python@v2
        with:
          python-version: '3.9'
      - run: echo "PY_3_9=$(python -c "import sys; print(sys.executable)")" >> $GITHUB_ENV

      # Install nox.
      - name: Install nox
        # (Only need to run Nox with python 3.9, it will launch other pythons.)
        run: |
          echo "Install nox..."
          $PY_3_9 -m pip install nox

      # Install Rust.
      - name: Install stable Rust toolchain
        # # # run: curl --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain stable
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          default: true
          override: true

      # Build wheels.
      - name: Build wheels
        run: |
          for PYTHON in $PY_3_6 $PY_3_7 $PY_3_8 $PY_3_9
          do
            echo "Building with $PYTHON..."
            $PYTHON -m pip install maturin
            maturin build --release -i $PYTHON
          done

      # Debug print some directories.
      - name: Debug Print Dirs
        run: |
          echo "ls working directory..."
          ls
          echo "ls target/wheels..."
          ls target/wheels
      
      # Run tests on all the supported/installed pythons.
      # # # - uses: excitedleigh/setup-nox@v2.0.0
      - name: Run Nox
        # (Only need to run Nox with python 3.9, it will launch other pythons.)
        run: $PY_3_9 -m nox

      # Upload target/wheels.
      - name: Upload target/wheels
        uses: actions/upload-artifact@v2
        with:
          name: macos-wheels
          path: target/wheels

  # ============== #
  # Windows Wheels #
  # ============== #
  #
  # Build and test Windows wheels.
  #
  windows-wheels-via-rust-stable:
    name: Windows wheels via Rust stable
    runs-on: windows-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v1

      # Install Pythons and store their executables into specific env vars.
      - uses: actions/setup-python@v2
        with:
          python-version: '3.6'
      - run: echo "PY_3_6=$(python -c "import sys; print(sys.executable)")" >> $env:GITHUB_ENV

      - uses: actions/setup-python@v2
        with:
          python-version: '3.7'
      - run: echo "PY_3_7=$(python -c "import sys; print(sys.executable)")" >> $env:GITHUB_ENV

      - uses: actions/setup-python@v2
        with:
          python-version: '3.8'
      - run: echo "PY_3_8=$(python -c "import sys; print(sys.executable)")" >> $env:GITHUB_ENV

      - uses: actions/setup-python@v2
        with:
          python-version: '3.9'
      - run: echo "PY_3_9=$(python -c "import sys; print(sys.executable)")" >> $env:GITHUB_ENV
      
      # Run tests on all the supported/installed pythons.
      # # # - uses: excitedleigh/setup-nox@v2.0.0
      - name: Setup Nox
        # (Only need to run Nox with python 3.9, it will launch other pythons.)
        run: |
          foreach ($PYTHON in @($env:PY_3_9)) {
            .$PYTHON -m pip install nox
          }
      
      # Attempt to cache OpenSSL.
      - name: Cache Win64 OpenSSL
        id: cache-win64-openssl
        uses: actions/cache@v2
        with:
          path: 'C:\Program Files\OpenSSL-Win64'
          key: win64-openssl
          # key: ${{ runner.os }}-openssl

      # Install OpenSSL if we don't have it cached.
      - name: Install OpenSSL via chocolatey (line-heavy output, causes page lag)
        if: steps.cache-win64-openssl.outputs.cache-hit != 'true'
        uses: nickjbenson/ghaction-chocolatey@master
        with:
          args: install openssl -y -r
      # (It should now cache at C:\Program Files\OpenSSL-Win64)

      # Install Rust.
      - name: Install stable Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          default: true
          override: true

      # Build wheels.
      - name: Build wheels
        run: |
          # Note: Manually ref install dir for OpenSSL
          $Env:OPENSSL_DIR='C:\Program Files\OpenSSL-Win64'
          foreach ($PYTHON in @($env:PY_3_6, $env:PY_3_7, $env:PY_3_8, $env:PY_3_9)) {
            echo "Building with $($PYTHON)..."
            .$PYTHON -m pip install maturin
            maturin build --release -i $PYTHON
          }
      
      # Run tests on all the supported/installed pythons.
      # # # - uses: excitedleigh/setup-nox@v2.0.0
      - name: Run Nox
        # (Only need to run Nox with python 3.9, it will launch other pythons.)
        run: |
          foreach ($PYTHON in @($env:PY_3_9)) {
            .$PYTHON -m nox
          }

      # Upload wheels.
      - name: Upload target/wheels
        uses: actions/upload-artifact@v1
        with:
          name: windows-wheels
          path: target/wheels

  # ===================== #
  # Upload Wheels to PyPI #
  # ===================== #
  #
  upload-wheels-to-pip:
    # Only upload to pip if this is a commit on the main branch!
    if: github.ref == 'refs/heads/main'
    name: Upload Windows, macOS, and Linux wheels to pip
    needs: [
      manylinux-wheels-via-rust-stable,
      windows-wheels-via-rust-stable,
      macos-wheels-via-rust-stable
    ]
    runs-on: ubuntu-latest
    environment: pypi_publishing_environment
    steps:
      - name: Download Linux wheel artifacts
        uses: actions/download-artifact@v2
        with:
          name: manylinux-wheels
      - name: Download macOS wheel artifacts
        uses: actions/download-artifact@v2
        with:
          name: macos-wheels
      - name: Download Windows wheel artifacts
        uses: actions/download-artifact@v2
        with:
          name: windows-wheels
      - name: Setup Python 3.9 & pip
        uses: actions/setup-python@v2
        with:
          python-version: '3.9'
      - name: Upload to pip
        env:
          MATURIN_PIP_TOKEN: ${{ secrets.MATURIN_PIP_TOKEN }}
        run: |
          pip install maturin
          for WHEEL in *.whl
          do
            echo "Attempting to upload $(echo $WHEEL)"
            maturin upload --skip-existing -u __token__ -p $MATURIN_PIP_TOKEN $WHEEL
          done