build.yml

name: Build packages with Pyodide

on:
  push:
  pull_request:
  workflow_dispatch:

jobs:
  run_build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          # - repo: https://github.com/Pylons/paginate
          #   name: paginate
          #   version: "0.5.6"
          # - repo: https://github.com/gorakhargosh/watchdog
          #   name: watchdog
          #   version: "v2.3.1"
          # - repo: https://github.com/gorakhargosh/watchdog
          #   name: watchdog
          #   version: "v3.0.0"
          # - repo: https://github.com/kuelumbus/rdkit-pypi/
          #   name: rdkit-pypi
          #   version: "rdkit-pypi"
          - repo: https://github.com/pytorch/pytorch
            name: pytorch
            package-name: pytorch
            version: "v2.1.2"

    steps:
      - name: Check out the repo
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: 3.11.2

      - name: Set up env vars for Emscripten
        run: |
          set -vxeuo pipefail
          pip install pyodide-build>=0.23.0
          export EMSCRIPTEN_VERSION=$(pyodide config get emscripten_version)
          echo EMSCRIPTEN_VERSION=${EMSCRIPTEN_VERSION} >> $GITHUB_ENV
          echo "EMSCRIPTEN_VERSION is $EMSCRIPTEN_VERSION"

      - name: Set up Emscripten
        uses: mymindstorm/setup-emsdk@v14
        with:
          version: ${{ env.EMSCRIPTEN_VERSION }}

      - name: Build with Pyodide
        run: |
          set -vxeo pipefail

          git clone --depth 1 --branch ${{ matrix.version }} ${{ matrix.repo }}
          cd ${{ matrix.name }}

          # Source the variables from the CF build script: https://github.com/conda-forge/pytorch-cpu-feedstock/blob/main/recipe/build.sh
          source ../scripts/build-pytorch.sh

          pyodide build
          ls -la
          tree .

      - name: Upload built artifacts
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.package-name }}-${{ matrix.version }}
          path: ${{ matrix.name }}/dist/${{ matrix.package-name }}-*.whl