supported-pythons

retrieve active (not end-of-life) minor versions of Python supported by a Python package

input	description
package	package source repository containing pyproject.toml
package-ref	branch or tag of package source
no-eoas	also omit end-of-active-support versions of Python

output	description
versions	Python minor versions as a JSON list
oldest	oldest supported Python minor version
latest	latest supported Python minor version

jobs:
  supported-pythons:
    runs-on: ubuntu-latest
    steps:
      - id: supported-pythons
        uses: OpenAstronomy/supported-pythons@2.0.4
        with:
          package: spacetelescope/romancal
    outputs:
      versions: ${{ steps.supported-pythons.outputs.versions }}
      oldest: ${{ steps.supported-pythons.outputs.oldest }}
      latest: ${{ steps.supported-pythons.outputs.latest }}
  test:
    needs: supported-pythons
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ${{ fromJSON(needs.supported-pythons.outputs.versions) }}
        include:
          - name: run tests (oldest Python)
            python-version: ${{ steps.supported-pythons.outputs.oldest }}
          - name: run tests (latest Python)
            python-version: ${{ steps.supported-pythons.outputs.latest }}
      fail-fast: false
    name: ${{ matrix.name || format('run tests (Python {0})', matrix.python-version) }}
    steps:
      - uses: actions/setup-python@v6
        with:
          python-version: ${{ matrix.python-version }}
      - uses: actions/checkout@v6
      - run: pip install . pytest
      - run: pytest