publish_to_pypi.yml

name: Publish Python 🐍 distribution 📦 to PyPI and TestPyPI

on: push

jobs:
  build:
    name: Build distribution 📦
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0  # Fetch all history for all tags and branches
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: "3.x"
    - name: Install pypa/build
      run: >-
        python3 -m
        pip install
        build
        --user
    - name: Build a binary wheel and a source tarball
      run: python3 -m build
    - name: Store the distribution packages
      uses: actions/upload-artifact@v3
      with:
        name: python-package-distributions
        path: dist/


  test-installation:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        python-version: ["3.10"]
    steps:
    - uses: actions/checkout@v2
      name: Checkout the repository

    - name: Set up Python
      uses: actions/setup-python@v2
      with:
        python-version: ${{ matrix.python-version }}

    - name: Install Linux System Dependencies
      if: startsWith(matrix.os, 'ubuntu')
      run: |
        sudo apt-get update
        sudo apt-get install -y libegl1-mesa    # missing libEGL.so.1
        sudo apt-get install -y xvfb            # GUI backend for matplotlib (Ubuntu doesn't have a display)

    - name: Install dependencies and QFit
      run: |
        pip install --upgrade pip
        pip install .

    - name: Test installation on Linux
      if: startsWith(matrix.os, 'ubuntu')
      run: |
        xvfb-run --auto-servernum python -c "from qfit import Fit; print('Installation successful')"
    
    - name: Test installation on macOS and Windows
      if: startsWith(matrix.os, 'macos') || startsWith(matrix.os, 'windows')
      run: python -c "from qfit import Fit; print('Installation successful')"
    

  publish-to-pypi:
    name: >-
      Publish to PyPI
    if: startsWith(github.ref, 'refs/tags/')  # only publish to PyPI on tag pushes
    needs:
    - build
    runs-on: ubuntu-latest
    environment:
      name: pypi
      url: https://pypi.org/p/qfit
    permissions:
      id-token: write  # IMPORTANT: mandatory for trusted publishing

    steps:
    - name: Download all the dists
      uses: actions/download-artifact@v3
      with:
        name: python-package-distributions
        path: dist/
    - name: Publish distribution 📦 to PyPI
      uses: pypa/gh-action-pypi-publish@release/v1
      with:
        user: __token__
        password: ${{ secrets.PYPI_API_TOKEN }}


  github-release:
    name: >-
      Sign with Sigstore and upload them to GitHub Release
    needs:
    - publish-to-pypi
    runs-on: ubuntu-latest

    permissions:
      contents: write  # IMPORTANT: mandatory for making GitHub Releases
      id-token: write  # IMPORTANT: mandatory for sigstore

    steps:
    - name: Download all the dists
      uses: actions/download-artifact@v3
      with:
        name: python-package-distributions
        path: dist/
    - name: Sign the dists with Sigstore
      uses: sigstore/gh-action-sigstore-python@v1.2.3
      with:
        inputs: >-
          ./dist/*.tar.gz
          ./dist/*.whl
    - name: Create GitHub Release
      env:
        GITHUB_TOKEN: ${{ github.token }}
      run: >-
        gh release create
        '${{ github.ref_name }}'
        --repo '${{ github.repository }}'
        --notes ""
    - name: Upload artifact signatures to GitHub Release
      env:
        GITHUB_TOKEN: ${{ github.token }}
      # Upload to GitHub Release using the `gh` CLI.
      # `dist/` contains the built packages, and the
      # sigstore-produced signatures and certificates.
      run: >-
        gh release upload
        '${{ github.ref_name }}' dist/**
        --repo '${{ github.repository }}'

        
  publish-to-testpypi:
    name: Publish to TestPyPI
    needs:
      - build
    runs-on: ubuntu-latest
  
    environment:
      name: testpypi
      url: https://test.pypi.org/p/qfit
  
    permissions:
      contents: write  # Typical permission needed for operations affecting repository contents
  
    steps:
      - name: Download all the dists
        uses: actions/download-artifact@v3
        with:
          name: python-package-distributions
          path: dist/
  
      - name: Extract version from distribution 📦 file  
        # assuming the version is in the format `<qfit>-<version>-<other>.whl`
        id: get_version
        run: |
          FILENAME=$(ls dist/*.whl | head -n 1)
          VERSION=$(echo $FILENAME | sed -n 's/^[^0-9]*-\([^-]*\)-.*/\1/p')
          echo "VERSION=$VERSION" >> $GITHUB_ENV
          echo "::set-output name=package_version::$VERSION"

      - name: Check if version exists on TestPyPI
        run: |
          RESPONSE=$(curl -s https://test.pypi.org/pypi/qfit/json)
          if echo "$RESPONSE" | grep -q "\"${{ env.VERSION }}\""; then
            echo "VERSION_EXISTS=true" >> $GITHUB_ENV
          else
            echo "VERSION_EXISTS=false" >> $GITHUB_ENV
          fi
  
      - name: Publish distribution 📦 to TestPyPI
        if: env.VERSION_EXISTS == 'false'
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          repository-url: https://test.pypi.org/legacy/
          user: __token__
          password: ${{ secrets.TEST_PYPI_API_TOKEN }}