ncnn/.github/workflows/release-python.yml

name: release-python
on:
  push:
    tags:
      - '*'

jobs:
  build_sdist:
    name: Build SDist
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
      with:
        submodules: true

    - uses: actions/setup-python@v2

    - name: Install deps
      run: python -m pip install twine build

    - name: Build SDist
      run: python -m build -s

    - name: Check metadata
      run: twine check dist/*

    - uses: actions/upload-artifact@v2
      with:
        path: dist/*.tar.gz


  build_wheels:
    name: Wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]

    steps:
    - uses: actions/checkout@v2
      with:
        submodules: true

    - uses: actions/setup-python@v2

    - name: Install cibuildwheel
      run: python -m pip install cibuildwheel

    - name: Set up QEMU
      if: runner.os == 'Linux'
      uses: docker/setup-qemu-action@v1
      with:
        platforms: all

    - name: Build wheel
      run: python -m cibuildwheel --output-dir wheelhouse
      env:
        CIBW_SKIP: "cp27-* pp27-*"  # skip Python 2.7 wheels
        # configure cibuildwheel to build native archs ('auto'), and some
        # emulated ones
        CIBW_ARCHS_LINUX: auto aarch64 ppc64le s390x

    - name: Show files
      run: ls -lh wheelhouse
      shell: bash

    - name: Verify clean directory
      run: git diff --exit-code
      shell: bash

    - name: Upload wheels
      uses: actions/upload-artifact@v2
      with:
        path: wheelhouse/*.whl

  upload_all:
    name: Upload if release
    needs: [build_wheels, build_sdist]
    runs-on: ubuntu-latest
    if: github.event_name == 'release' && github.event.action == 'published'

    steps:
    - uses: actions/setup-python@v2

    - uses: actions/download-artifact@v2
      with:
        name: artifact
        path: dist

    - uses: pypa/gh-action-pypi-publish@v1.4.1
      with:
        user: __token__
        password: ${{ secrets.PYPI_API_TOKEN }}