main.yml

name: CI

on:
  push:
    paths:
      - ".github/workflows/main.yml"
      - "sphinx/**"
      - "tests/**"
  pull_request:
    paths:
      - ".github/workflows/main.yml"
      - "sphinx/**"
      - "tests/**"

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

env:
  FORCE_COLOR: "1"
  PYTHONDEVMODE: "1"  # -X dev
  PYTHONWARNDEFAULTENCODING: "1"  # -X warn_default_encoding
  UV_SYSTEM_PYTHON: "1"  # make uv do global installs

jobs:
  ubuntu:
    runs-on: ubuntu-latest
    name: Python ${{ matrix.python }} (Docutils ${{ matrix.docutils }})
    timeout-minutes: 15
    strategy:
      fail-fast: false
      matrix:
        python:
        - "3.11"
        - "3.12"
        - "3.13"
        docutils:
        - "0.20"
        - "0.21"
#        include:
#        # test every supported Docutils version for the latest supported Python
#        - python: "3.13"
#          docutils: "0.20"

    steps:
    - uses: actions/checkout@v4
      with:
        persist-credentials: false
    - name: Set up Python ${{ matrix.python }}
      uses: actions/setup-python@v5
      with:
        python-version: ${{ matrix.python }}
    - name: Check Python version
      run: python --version --version
    - name: Install graphviz
      run: sudo apt-get install --no-install-recommends --yes graphviz
    - name: Install uv
      run: >
        curl --no-progress-meter --location --fail
        --proto '=https' --tlsv1.2
        "https://astral.sh/uv/install.sh"
        | sh
    - name: Install dependencies
      run: uv pip install .[test]
    - name: Install Docutils ${{ matrix.docutils }}
      run: uv pip install --upgrade "docutils~=${{ matrix.docutils }}.0"
    - name: Test with pytest
      run: python -m pytest -vv --durations 25
      env:
        PYTHONWARNINGS: "error"  # treat all warnings as errors

  deadsnakes:
    runs-on: ubuntu-latest
    name: Python ${{ matrix.python }} (Docutils ${{ matrix.docutils }})
    timeout-minutes: 15
    strategy:
      fail-fast: false
      matrix:
        python:
        - "3.14"
        docutils:
        - "0.20"
        - "0.21"

    steps:
    - uses: actions/checkout@v4
      with:
        persist-credentials: false
    - name: Set up Python ${{ matrix.python }} (deadsnakes)
      uses: deadsnakes/action@v3.2.0
      with:
        python-version: ${{ matrix.python }}-dev
    - name: Check Python version
      run: python --version --version
    - name: Install graphviz
      run: sudo apt-get install --no-install-recommends --yes graphviz
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        sed -i 's/flit_core>=3.7/flit_core @ git+https:\/\/github.com\/pypa\/flit.git#subdirectory=flit_core/' pyproject.toml
        python -m pip install .[test]
    - name: Install Docutils ${{ matrix.docutils }}
      run: python -m pip install --upgrade "docutils~=${{ matrix.docutils }}.0"
    - name: Test with pytest
      run: python -m pytest -vv --durations 25
      env:
        PYTHONWARNINGS: "error"  # treat all warnings as errors

  free-threaded:
    runs-on: ubuntu-latest
    name: Python ${{ matrix.python }} (free-threaded)
    timeout-minutes: 15
    strategy:
      fail-fast: false
      matrix:
        python:
        - "3.13"

    steps:
    - uses: actions/checkout@v4
      with:
        persist-credentials: false
    - name: Set up Python ${{ matrix.python }} (deadsnakes)
      uses: deadsnakes/action@v3.2.0
      with:
        python-version: ${{ matrix.python }}
        nogil: true
    - name: Check Python version
      run: python --version --version
    - name: Install graphviz
      run: sudo apt-get install --no-install-recommends --yes graphviz
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        python -m pip install .[test]
    # markupsafe._speedups has not declared that it can run safely without the GIL
    - name: Remove markupsafe._speedups
      run: rm -rf "$(python -c 'from markupsafe._speedups import __file__ as f; print(f)')"
    - name: Test with pytest
      run: python -m pytest -vv --durations 25
      env:
        PYTHONWARNINGS: "error"  # treat all warnings as errors

  deadsnakes-free-threaded:
    runs-on: ubuntu-latest
    name: Python ${{ matrix.python }} (free-threaded)
    timeout-minutes: 15
    strategy:
      fail-fast: false
      matrix:
        python:
        - "3.14"

    steps:
    - uses: actions/checkout@v4
      with:
        persist-credentials: false
    - name: Set up Python ${{ matrix.python }} (deadsnakes)
      uses: deadsnakes/action@v3.2.0
      with:
        python-version: ${{ matrix.python }}-dev
        nogil: true
    - name: Check Python version
      run: python --version --version
    - name: Install graphviz
      run: sudo apt-get install --no-install-recommends --yes graphviz
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        sed -i 's/flit_core>=3.7/flit_core @ git+https:\/\/github.com\/pypa\/flit.git#subdirectory=flit_core/' pyproject.toml
        python -m pip install .[test]
    # markupsafe._speedups has not declared that it can run safely without the GIL
    - name: Remove markupsafe._speedups
      run: rm -rf "$(python -c 'from markupsafe._speedups import __file__ as f; print(f)')"
    - name: Test with pytest
      run: python -m pytest -vv --durations 25
      env:
        PYTHONWARNINGS: "error"  # treat all warnings as errors

  windows:
    runs-on: windows-2019
    name: Windows
    timeout-minutes: 15

    steps:
    - uses: actions/checkout@v4
      with:
        persist-credentials: false
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: "3"
    - name: Check Python version
      run: python --version --version
    - name: Install graphviz
      run: choco install --no-progress graphviz
    - name: Install uv
      run: >
        Invoke-WebRequest -Uri "https://astral.sh/uv/install.ps1"
        | Invoke-Expression
    - name: Install dependencies
      run: uv pip install .[test]
    - name: Test with pytest
      run: python -m pytest -vv --durations 25
      env:
        PYTHONWARNINGS: "error"  # treat all warnings as errors

  docutils-latest:
    runs-on: ubuntu-latest
    name: Docutils HEAD
    timeout-minutes: 15

    steps:
    - name: Install epubcheck
      run: |
        EPUBCHECK_VERSION="5.1.0"
        mkdir /tmp/epubcheck && cd /tmp/epubcheck
        wget --no-verbose https://github.com/w3c/epubcheck/releases/download/v${EPUBCHECK_VERSION}/epubcheck-${EPUBCHECK_VERSION}.zip
        unzip epubcheck-${EPUBCHECK_VERSION}.zip
    - uses: actions/checkout@v4
      with:
        persist-credentials: false
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: "3"
    - name: Check Python version
      run: python --version --version
    - name: Install graphviz
      run: sudo apt-get install --no-install-recommends --yes graphviz
    - name: Install uv
      run: >
        curl --no-progress-meter --location --fail
        --proto '=https' --tlsv1.2
        "https://astral.sh/uv/install.sh"
        | sh
    - name: Install dependencies
      run: uv pip install .[test]
    - name: Install Docutils' HEAD
      run: uv pip install "docutils @ git+https://repo.or.cz/docutils.git#subdirectory=docutils"
    - name: Test with pytest
      run: python -m pytest -vv
      env:
        PYTHONWARNINGS: "error"  # treat all warnings as errors
        DO_EPUBCHECK: "1"
        EPUBCHECK_PATH: "/tmp/epubcheck/epubcheck-5.1.0/epubcheck.jar"

  oldest-supported:
    runs-on: ubuntu-latest
    name: Oldest supported
    timeout-minutes: 15

    steps:
    - uses: actions/checkout@v4
      with:
        persist-credentials: false
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: "3"
    - name: Check Python version
      run: python --version --version
    - name: Install graphviz
      run: sudo apt-get install --no-install-recommends --yes graphviz
    - name: Install uv
      run: >
        curl --no-progress-meter --location --fail
        --proto '=https' --tlsv1.2
        "https://astral.sh/uv/install.sh"
        | sh
    - name: Install dependencies
      run: |
        uv pip install .[test] --resolution lowest-direct
        uv pip install alabaster==1.0.0
    - name: Test with pytest
      run: python -m pytest -vv --durations 25
      env:
        PYTHONWARNINGS: "error"  # treat all warnings as errors

  latex:
    runs-on: ubuntu-latest
    name: LaTeX
    timeout-minutes: 15
    container:
      image: ghcr.io/sphinx-doc/sphinx-ci

    steps:
    - uses: actions/checkout@v4
      with:
        persist-credentials: false
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: "3"
    - name: Check Python version
      run: python --version --version
    - name: Install uv
      run: >
        curl --no-progress-meter --location --fail
        --proto '=https' --tlsv1.2
        "https://astral.sh/uv/install.sh"
        | sh
    - name: Install dependencies
      run: uv pip install .[test]
    - name: Test with pytest
      run: python -m pytest -vv --durations 25
      env:
        PYTHONWARNINGS: "error"  # treat all warnings as errors
        DO_EPUBCHECK: "1"

  coverage:
    if: github.event_name == 'push' && github.repository_owner == 'sphinx-doc'
    runs-on: ubuntu-latest
    name: Coverage
    timeout-minutes: 15

    steps:
    - uses: actions/checkout@v4
      with:
        persist-credentials: false
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: "3"
    - name: Check Python version
      run: python --version --version
    - name: Install graphviz
      run: sudo apt-get install --no-install-recommends --yes graphviz
    - name: Install uv
      run: >
        curl --no-progress-meter --location --fail
        --proto '=https' --tlsv1.2
        "https://astral.sh/uv/install.sh"
        | sh
    - name: Install dependencies
      run: uv pip install .[test] pytest-cov
    - name: Test with pytest
      run: python -m pytest -vv --cov . --cov-append --cov-config pyproject.toml
      env:
        VIRTUALENV_SYSTEM_SITE_PACKAGES: "1"
    - name: codecov
      uses: codecov/codecov-action@v5