python.yml

name: Python

on:
  push:
    branches:
      - main
    tags:
      - v*
  pull_request:
    branches:
      - main

env:
  working-directory: bindings/python
  PIP_DISABLE_PIP_VERSION_CHECK: "true"

jobs:
  configure-strategy:
    runs-on: ubuntu-latest
    outputs:
      python-versions: ${{ steps.gen-matrix.outputs.python-versions }}
    steps:
      - id: gen-matrix
        run: |
          if [ ${{ github.event_name }} == "pull_request" ]; then
            echo "python-versions=[\"3.13\"]" >> $GITHUB_OUTPUT
          else
            echo "python-versions=[\"3.9\",\"3.10\",\"3.11\",\"3.12\",\"3.13\"]" >> $GITHUB_OUTPUT
          fi

  test:
    needs: configure-strategy
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
        python-version: ${{ fromJson(needs.configure-strategy.outputs.python-versions) }}
    runs-on: ${{ matrix.os }}

    defaults:
      run:
        working-directory: ${{ env.working-directory }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Rust (stable)
        uses: dtolnay/rust-toolchain@stable

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install dependencies
        run: pip install -r requirements.txt -r requirements-dev.txt

      - name: Install Limbo
        run: pip install -e .

      - name: Run Pytest
        run: pytest tests

  lint:
    runs-on: ubuntu-latest

    defaults:
      run:
        working-directory: ${{ env.working-directory }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Install dev dependencies
        run: pip install -r requirements-dev.txt

      - name: Run lint
        run: make lint

  check-requirements:
    runs-on: ubuntu-latest

    defaults:
      run:
        working-directory: ${{ env.working-directory }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Install pip-tools
        run: pip install pip-tools

#      - name: Check requirements files
#        run: make check-requirements

  linux:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ${{ env.working-directory }}
    strategy:
      matrix:
        target: [x86_64]
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-python@v4
        with:
          python-version: '3.10'
      - name: Build wheels
        uses: PyO3/maturin-action@v1
        with:
          working-directory: ${{ env.working-directory }}
          target: ${{ matrix.target }}
          args: --release --out dist --find-interpreter
          sccache: 'true'
          manylinux: auto
      - name: Upload wheels
        uses: actions/upload-artifact@v4
        with:
          name: linux-wheels
          path: bindings/python/dist

  macos-x86_64:
    runs-on: macos-13
    defaults:
      run:
        working-directory: ${{ env.working-directory }}
    strategy:
      matrix:
        target: [x86_64]
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-python@v4
        with:
          python-version: '3.10'
      - name: Build wheels
        uses: PyO3/maturin-action@v1
        env:
          CXX: clang++
          CC: clang
        with:
          working-directory: ${{ env.working-directory }}
          target: ${{ matrix.target }}
          args: --release --out dist --find-interpreter
          sccache: 'true'
      - name: Upload wheels
        uses: actions/upload-artifact@v4
        with:
          name: macos-x86-wheels
          path: bindings/python/dist

  macos-arm64:
    runs-on: macos-14
    defaults:
      run:
        working-directory: ${{ env.working-directory }}
    strategy:
      matrix:
        target: [aarch64]
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-python@v4
        env:
          CXX: clang++
          CC: clang
        with:
          python-version: '3.10'
      - name: Build wheels
        uses: PyO3/maturin-action@v1
        with:
          working-directory: ${{ env.working-directory }}
          target: ${{ matrix.target }}
          args: --release --out dist --find-interpreter
          sccache: 'true'
      - name: Upload wheels
        uses: actions/upload-artifact@v4
        with:
          name: macos-arm64-wheels
          path: bindings/python/dist

  sdist:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ${{ env.working-directory }}
    steps:
      - uses: actions/checkout@v3
      - name: Build sdist
        uses: PyO3/maturin-action@v1
        with:
          working-directory: ${{ env.working-directory }}
          command: sdist
          args: --out dist
      - name: Upload sdist
        uses: actions/upload-artifact@v4
        with:
          name: sdist-wheels
          path: bindings/python/dist

  release:
    name: Release
    runs-on: ubuntu-latest
    if: "startsWith(github.ref, 'refs/tags/')"
    needs: [linux, macos-arm64, macos-x86_64, sdist]
    steps:
      - uses: actions/download-artifact@v3
        with:
          name: linux-wheels
      - uses: actions/download-artifact@v3
        with:
          name: macos-x86-wheels
      - uses: actions/download-artifact@v3
        with:
          name: macos-arm64-wheels
      - uses: actions/download-artifact@v3
        with:
          name: sdist-wheels
      - name: Publish to PyPI
        uses: PyO3/maturin-action@v1
        env:
          MATURIN_PYPI_TOKEN: ${{ secrets.PYPI_API_TOKEN }}
        with:
          command: upload
          args: --skip-existing *