build_and_deploy.yml

name: Mac and Windows Builds

on:
  push:
    branches:
      - 'master'
    tags:
      - '*'

  pull_request:
    branches:
      - '*'

# Cancel older runs of the same workflow on the same branch
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build-and-deploy:
    strategy:
      matrix:
        python3-minor-version: [7, 8, 9, 10, 11, 12]
        os: [macos-latest, ubuntu-latest, windows-latest]
    defaults:
      run:
        shell: bash
    env:
      PYTHON_VERSION: ${{ format('3.{0}', matrix.python3-minor-version) }}
      PYTHON_EXECUTABLE: ${{ format('cp3{0}', matrix.python3-minor-version) }}

    runs-on: ${{ matrix.os }}
    name: Build and Deploy (${{ matrix.os }}, 3.${{ matrix.python3-minor-version }})

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      # Python interpreter used by cibuildwheel, but it uses a different one internally
      - name: Setting up Python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ env.PYTHON_VERSION }}

      - name: Set up QEMU
        if: runner.os == 'Linux'
        uses: docker/setup-qemu-action@v2
        with:
          platforms: all

      # We build the source archive separately because of this: https://github.com/alkaline-ml/pmdarima/pull/136#discussion_r279781731
      # We build it first because of this: https://github.com/alkaline-ml/pmdarima/issues/448
      - name: Building source distribution
        run: make version sdist

      - name: Install cibuildwheel
        run: python -m pip install cibuildwheel

      - name: Building and testing wheels
        run: python -m cibuildwheel --output-dir dist
        env:
          # TODO: Move Linux x86_64 builds to GHA?
          CIBW_ARCHS_LINUX: "aarch64"
          CIBW_ARCHS_MACOS: "x86_64 arm64"
          CIBW_ARCHS_WINDOWS: "AMD64"
          CIBW_BEFORE_ALL: make version
          CIBW_BEFORE_BUILD: >
            pip install -r build_tools/build_requirements.txt &&
            pip install -r requirements.txt
          # Tests are run in a separate virtual env, so we need to re-install deps
          CIBW_BEFORE_TEST: >
            pip install -r build_tools/build_requirements.txt &&
            pip install -r requirements.txt
          CIBW_BUILD: "${{ env.PYTHON_EXECUTABLE }}-*"
          CIBW_ENVIRONMENT: CC=gcc GITHUB_REF=${{ env.GITHUB_REF }}
          CIBW_ENVIRONMENT_MACOS: PMD_MPL_BACKEND=TkAgg PYTHON_CROSSENV=true
          # No support for pypy or musl
          CIBW_SKIP: "pp* *-musllinux_*"
          # Runs tests and checks for a numpy regression by upgrading numpy and running tests again
          CIBW_TEST_COMMAND: >
            pytest --showlocals --durations=20 --pyargs pmdarima &&
            pip install --upgrade scipy numpy &&
            pytest --showlocals --durations=20 --pyargs pmdarima
          # Avoid testing on emulated architectures
          CIBW_TEST_SKIP: "*-*linux_{aarch64,ppc64le,s390x} *-macosx_arm64"

      - name: Checking README compatibility
        run: |
          python -m pip install "twine>=1.13.0" readme_renderer
          if python -c "from twine.commands.check import check; check(['dist/*'])" | grep  "warning"; then
              echo "README will not render properly on PyPI"
              exit 1
          else
              echo "README rendered appropriately"
          fi

      # See https://github.com/alkaline-ml/pmdarima/issues/448
      - name: Ensuring sdist SOURCES.txt has no absolute paths
        run: |
          cd dist
          tar xzf $(find . -name "*.tar.gz")
          OUTPUT_DIRECTORY=$(find . -type d -name "pmdarima-*")
          if grep -q "^/" ${OUTPUT_DIRECTORY}/pmdarima.egg-info/SOURCES.txt; then
            echo "SOURCES.txt contains absolute paths in sdist"
            exit 1
          else
            echo "SOURCES.txt looks good"
            rm -rf "$OUTPUT_DIRECTORY"
          fi

      - name: Ensuring sdist can be installed
        run: pip install dist/$(ls dist | grep tar)

      - name: Ensuring VERSION file exists
        id: version_check  # Need this to refer to output below
        run: |
          if [ -f "${GITHUB_WORKSPACE}/pmdarima/VERSION" ]; then
            echo "VERSION file exists"
            echo "version_exists=true" >> $GITHUB_OUTPUT
          else
            echo "VERSION file does not exist"
            echo "version_exists=false" >> $GITHUB_OUTPUT
          fi

      - name: Deploying to PyPI
        # Only deploy on tags and when VERSION file created
        if: startsWith(github.ref, 'refs/tags') && success() && steps.version_check.outputs.version_exists == 'true'
        run: |
          chmod +x build_tools/github/deploy.sh
          ./build_tools/github/deploy.sh
        env:
          TWINE_USERNAME: ${{ secrets.TWINE_USERNAME }}
          TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}