test_build.yaml

name: Run tests, publish Python distribution to PyPI and TestPyPI

on:
  push:
    branches: ["main", "devel"]
  pull_request:
    branches: ["main", "devel"]

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.9", "3.10", "3.11"]
    steps:
      - uses: actions/checkout@v4
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python-version }}
          cache: "pip"
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install pytest
          python -m pip install -r requirements.txt
      - name: Test with pytest
        run: |
          pytest
  # Code below modified from
  # https://packaging.python.org/en/latest/guides/publishing-package-distribution-releases-using-github-actions-ci-cd-workflows/
  build:
    name: Build distribution 📦
    runs-on: ubuntu-latest
    needs:
      - test
    steps:
      - uses: actions/checkout@v4
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: "3.10"
          cache: "pip"
      - 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/
  # If we've pushed to main we'll to a test release to TestPyPI
  publish-to-testpypi:
    name: Publish Python 🐍 distribution 📦 to TestPyPI
    needs:
      - build
    runs-on: ubuntu-latest
    environment:
      name: testpypi
      url: https://test.pypi.org/p/openghg_calscales
    permissions:
      id-token: write
    steps:
      - name: Download all the dists
        uses: actions/download-artifact@v3
        with:
          name: python-package-distributions
          path: dist/
      - name: Publish distribution 📦 to TestPyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          repository-url: https://test.pypi.org/legacy/

  publish-to-pypi:
    name: >-
      Publish Python 🐍 distribution 📦 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/openghg_calscales
    permissions:
      id-token: write

    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

  release_conda:
    name: Build and publish conda package
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/') # only publish on tag pushes
    needs:
      - test
    defaults:
      run:
        shell: bash -el {0}
    steps:
      - uses: actions/checkout@v4
      - uses: mamba-org/setup-micromamba@db1df3ba9e07ea86f759e98b575c002747e9e757
        with:
          init-shell: bash
      - name: Build and push the conda package
        run: |
          micromamba create -n openghg_build anaconda-client boa -c conda-forge
          micromamba activate openghg_build
          conda config --append channels openghg
          mkdir ${{ github.workspace }}/build
          conda mambabuild --croot ${{ github.workspace }}/build recipes -c conda-forge
          BUILD_DIR=${GITHUB_WORKSPACE}/build
          BUILD=$(find "$BUILD_DIR" -name '*.tar.bz2')
          anaconda --token "$ANACONDA_TOKEN" upload --user openghg --label main "$BUILD"
        env:
          ANACONDA_TOKEN: ${{ secrets.ANACONDA_TOKEN }}

  github-release:
    name: >-
      Sign the Python 🐍 distribution 📦 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@v2.1.0
        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 }}'