publish-pypi.yml

name: Publish to TestPyPI and PyPI

on: [push, pull_request]

jobs:
  func:
    name: Functional Tests
    runs-on: ubuntu-latest
    if: ${{ github.ref != 'refs/heads/misc' }}

    steps:
    - uses: actions/checkout@v4
    - uses: conda-incubator/setup-miniconda@v3
      with:
        python-version: 3.11
        mamba-version: "*"
        miniforge-version: "latest"
        channels: conda-forge,defaults
        channel-priority: true
        activate-environment: anaconda-client-env
    - shell: bash -el {0}
      name: Install dependencies
      run: |
        mamba install -y nbmake pytest-xdist line_profiler  # add'l packages for notebook tests.
        mamba install --file requirements.txt --file requirements-dev.txt
        python -m pip install -e .
    - shell: bash -el {0}
      name: Try installing optional packages
      run: |
        # Try installing one of the optional packages
        pip install gurobipy || pip install coptpy || pip install xpress || pip install cplex || echo "All optional packages failed to install. Skipping."
    - shell: bash -el {0}
      name: Run pip check
      run: |
        if ! pip check; then
          echo "pip check failed, but the job will continue."
        fi
    - shell: bash -el {0}
      name: Lint with flake8
      if: github.event_name == 'pull_request'
      run: |
        flake8 .
    - shell: bash -el {0}
      name: Test with pytest
      run: |
        pytest
    - shell: bash -el {0}
      name: Test notebooks.
      run: |
        pytest --nbmake examples --ignore=examples/verification

  build:
    name: Build distribution
    needs:
    - func
    runs-on: ubuntu-latest
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')

    steps:
    - uses: actions/checkout@v4
      with:
        persist-credentials: false
    - name: Set up Python
      uses: actions/setup-python@v5
      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@v4
      with:
        name: python-package-distributions
        path: dist/

  publish-to-testpypi:
    name: Publish to TestPyPI
    needs:
    - build
    runs-on: ubuntu-latest

    environment:
      name: testpypi
      url: https://test.pypi.org/p/ltbams

    permissions:
      id-token: write  # IMPORTANT: mandatory for trusted publishing

    steps:
    - name: Download all the dists
      uses: actions/download-artifact@v4
      with:
        name: python-package-distributions
        path: dist/
    - name: Publish TestPyPI
      uses: pypa/gh-action-pypi-publish@release/v1
      with:
        repository-url: https://test.pypi.org/legacy/

  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/ltbams
    permissions:
      id-token: write  # IMPORTANT: mandatory for trusted publishing

    steps:
    - name: Download all the dists
      uses: actions/download-artifact@v4
      with:
        name: python-package-distributions
        path: dist/
    - name: Publish to PyPI
      uses: pypa/gh-action-pypi-publish@release/v1

  github-release:
    name: >-
      Sign and upload 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@v4
      with:
        name: python-package-distributions
        path: dist/
    - name: Sign the dists with Sigstore
      uses: sigstore/gh-action-sigstore-python@v3.0.0
      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"