wheel_noarch.yml

name: Wheel::Any::None

# **What it does**: Builds a pure python wheel for Linux (ubuntu-latest) and store it as an artifact.
#                   Python version: 3.9.
# **Why we have it**: To test the wheel build in the python layer, with no compilation.
# **Who does it impact**: Wheels to be uploaded to PyPI.

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

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

jobs:
  build-pure-python-wheel:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        pl_backend: ["lightning_qubit"]

    name: ${{ matrix.os }} - Pure Python wheels - ${{ matrix.pl_backend }} (Python 3.9)
    steps:
      - name: Checkout PennyLane-Lightning
        uses: actions/checkout@v3
        with:
          path: main

      - uses: actions/setup-python@v4
        with:
          python-version: '3.9'

      - name: Upgrade pip
        run: |
          python -m pip install --upgrade pip

      - name: Install CMake and ninja
        run: |
          python -m pip install --upgrade cmake ninja

      - name: Build wheels
        run: |
          python -m pip install --upgrade pip wheel
          cd main
          python setup.py bdist_wheel
        env:
          SKIP_COMPILATION: True

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

      - uses: actions/upload-artifact@v2
        if: ${{ github.event_name == 'release' || github.ref == 'refs/heads/master' }}
        with:
          name: pure-python-wheels-${{ matrix.pl_backend }}.zip
          path: main/dist/*.whl

  # Refine and uncomment before merging to pennylane-lightning repository
  # upload-pypi:
  #   needs: build-pure-python-wheel
  #   runs-on: ubuntu-latest
  #   if: ${{ github.event_name == 'release' }}
  #   steps:
  #     - uses: actions/download-artifact@v2
  #       with:
  #         name: pure-python-wheels.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/