wheel_macos_arm64.yml

name: Wheel::MacOS::ARM

# **What it does**: Builds python wheels for MacOS (11) architecture ARM 64 and store it as artifacts.
#                   Python versions: 3.9, 3.10, 3.11, 3.12.
# **Why we have it**: To build wheels for pennylane-lightning installation.
# **Who does it impact**: Wheels to be uploaded to PyPI.

on:
  pull_request:
  push:
    branches:
      - master
  release:
    types: [published]

env:
  ARCHS: 'arm64'
  PYTHON3_MIN_VERSION: "9"
  PYTHON3_MAX_VERSION: "12"

concurrency:
  group: wheel_macos_arm64-${{ github.ref }}
  cancel-in-progress: true

jobs:
  mac-set-matrix-arm:
    if: github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'ci:build_wheels')
    timeout-minutes: 30
    name: Set builder matrix
    runs-on: ubuntu-latest

    steps:
      - name: Checkout PennyLane-Lightning
        uses: actions/checkout@v4

      - name: Python version
        id: pyver
        run: |
          if [[ ${{ github.event_name }} == 'pull_request' ]]; then
            echo "python_version=$(python3 scripts/gen_pyver_matrix.py \
              --min-version=3.${{ env.PYTHON3_MIN_VERSION }} \
              --max-version=3.${{ env.PYTHON3_MAX_VERSION }})" >> $GITHUB_OUTPUT
          else
            echo "python_version=$(python3 scripts/gen_pyver_matrix.py \
              --min-version=3.${{ env.PYTHON3_MIN_VERSION }} \
              --max-version=3.${{ env.PYTHON3_MAX_VERSION }} --range)" >> $GITHUB_OUTPUT
          fi

    outputs:
      python_version: ${{ steps.pyver.outputs.python_version }}

  mac-wheels-arm64:
    needs: [mac-set-matrix-arm]
    strategy:
      fail-fast: false
      matrix:
        os: [macos-11]
        arch: [arm64]
        pl_backend: ["lightning_kokkos", "lightning_qubit"]
        cibw_build: ${{fromJson(needs.mac-set-matrix-arm.outputs.python_version)}}
    timeout-minutes: 30
    name: macos-latest::arm64 - ${{ matrix.pl_backend }} (Python ${{ fromJson('{ "cp39-*":"3.9","cp310-*":"3.10","cp311-*":"3.11","cp312-*":"3.12" }')[matrix.cibw_build] }})
    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout PennyLane-Lightning
        uses: actions/checkout@v4

      - uses: actions/setup-python@v5
        name: Install Python
        with:
          python-version: '3.9'

      - name: Install cibuildwheel
        run: python -m pip install cibuildwheel~=2.16.0

      - name: Build wheels
        env:
          CIBW_BUILD: ${{ matrix.cibw_build }}

          # MacOS specific build settings
          CIBW_BEFORE_ALL_MACOS: |
            brew uninstall --force oclint

          # Python build settings
          CIBW_BEFORE_BUILD: |
            python -m pip install pybind11 ninja cmake~=3.24.0 setuptools scipy

          CIBW_ENVIRONMENT: |
            CMAKE_ARGS="-DCMAKE_CXX_COMPILER_TARGET=arm64-apple-macos11 -DCMAKE_SYSTEM_NAME=Darwin -DCMAKE_SYSTEM_PROCESSOR=ARM64 -DENABLE_OPENMP=OFF" \
            PL_BACKEND="${{ matrix.pl_backend }}"

          CIBW_BEFORE_TEST: |
            python -m pip install -r requirements-tests.txt
            if ${{ matrix.pl_backend == 'lightning_kokkos'}}; then SKIP_COMPILATION=True PL_BACKEND="lightning_qubit" pip install -e . -vv; fi

          CIBW_TEST_COMMAND: |
            DEVICENAME=`echo ${{ matrix.pl_backend }} | sed "s/_/./g"`
            pl-device-test --device=${DEVICENAME} --skip-ops -x --tb=short --no-flaky-report

          CIBW_BUILD_VERBOSITY: 3

          CIBW_ARCHS_MACOS: ${{ matrix.arch }}

        run: |
          python -m cibuildwheel --output-dir wheelhouse

      - name: Validate wheels
        run: |
          python -m pip install twine
          python -m twine check ./wheelhouse/*.whl

      - uses: actions/upload-artifact@v3
        if: ${{ github.event_name == 'release' || github.ref == 'refs/heads/master' }}
        with:
          name: ${{ runner.os }}-wheels-${{ matrix.pl_backend }}-${{ matrix.arch }}.zip
          path: ./wheelhouse/*.whl

  upload-pypi:
    needs: mac-wheels-arm64
    strategy:
      matrix:
        arch: [arm64]
        pl_backend: ["lightning_qubit"]
    runs-on: ubuntu-latest

    if: ${{ github.event_name == 'release' || github.ref == 'refs/heads/master'}}
    steps:
      - uses: actions/download-artifact@v3
        with:
          name: macOS-wheels-${{ matrix.pl_backend }}-${{ matrix.arch }}.zip
          path: dist

      - name: Upload wheels to PyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          user: __token__
          password: ${{ secrets.TEST_PYPI_API_TOKEN }}
          repository-url: https://test.pypi.org/legacy/