python_wheel_build.yml

name: 'ROOT Python wheels'

on:
  workflow_dispatch:
    inputs:
      branch:
        description: 'The branch for which the Python wheel has to be generated'
        type: string
        required: true
        default: "master"
  schedule:
    - cron: '01 1 * * *'
  pull_request:
    types: [opened, synchronize, reopened, labeled]

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

jobs:
  build-wheels:
    if: |
      (github.repository_owner == 'root-project' &&
       (github.event_name == 'schedule' ||
        github.event_name == 'workflow_dispatch')) ||
      contains(github.event.pull_request.labels.*.name, 'build-python-wheels')
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        target: [cp310-manylinux_x86_64, cp311-manylinux_x86_64, cp312-manylinux_x86_64, cp313-manylinux_x86_64]
    name: ${{ matrix.target }}
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/workflows/cibuildwheel-impl
        with:
          build-tag: ${{ matrix.target }}

  test-wheels:
    needs: build-wheels
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.10", "3.11", "3.12", "3.13"]
    name: test-wheel-cp${{ matrix.python-version }}
    steps:
      - uses: actions/checkout@v4

      - name: Download produced wheels
        uses: actions/download-artifact@v4
        with:
          path: wheels
          merge-multiple: true

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install produced wheel
        run: |
          ls -R wheels
          PY_VER=$(python -c "import sys; print(f'cp{sys.version_info.major}{sys.version_info.minor}')")
          WHEEL=$(ls wheels/*${PY_VER}*.whl | head -n 1)
          echo "Python version: ${PY_VER}, installing wheel: ${WHEEL}"
          pip install "$WHEEL"

      - name: Install tutorials dependencies
        run: |
          python -m pip install --no-cache-dir -r test/wheels/requirements-ci.txt

      - name: Run tutorials
        run: |
          pytest -vv --verbosity="4" -rF test/wheels

  create-and-upload-wheel-registry:
      if: github.event_name != 'pull_request' # The secrets are not available in PR
      needs: build-wheels
      runs-on: ubuntu-latest
      steps:

      - name: Download produced wheels
        uses: actions/download-artifact@v4
        with:
          merge-multiple: true

      - name: Install required system packages
        run: sudo apt-get install -y krb5-user xrootd-client

      - name: Setup Python
        uses: actions/setup-python@v5

      - name: Create PEP503-compliant wheel registry
        run: |
          mkdir -p wheelhouse
          mv *.whl wheelhouse
          python -m pip install --upgrade pip
          python -m pip install --user simple503
          simple503 wheelhouse

      - name: Compute number of files to upload
        id: nfiles
        run: echo "NFILES=$(find wheelhouse -maxdepth 1 | wc -l)" >> "$GITHUB_OUTPUT"

      - name: Upload wheels to EOS
        env:
          RWEBEOS_KT: ${{ secrets.RWEBEOS_KT }}
          KT_FILE_NAME: /tmp/decoded.keytab
          EOS_PATH: /eos/project/r/root-eos/www/experimental-python-wheels
          EOS_ENDPOINT: root://eosproject-r.cern.ch
          KRB5CCNAME: /tmp/krb5cc
          NFILES: ${{ steps.nfiles.outputs.NFILES }}
        working-directory: ${{ env.WORKDIR }}
        run: |
          echo +++ Content
          ls
          echo +++ Retrieving the secret
          echo ${RWEBEOS_KT} | base64 -d > ${KT_FILE_NAME}
          echo +++ Creating the token
          kinit  -p ${{ secrets.KRB5USER }}@${{ secrets.KRB5REALM }} -kt ${KT_FILE_NAME}
          echo +++ Running the copy
          xrdcp --parallel ${NFILES} -rf wheelhouse/* ${EOS_ENDPOINT}/${EOS_PATH}/