build.yml

name: Build WASM dependencies and PyBaMM

on:
  pull_request:
  workflow_dispatch:

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

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y --no-install-recommends \
          cmake bzip2 ccache f2c g++ gfortran git make \
          patch pkg-config swig unzip wget xz-utils \
          autoconf autotools-dev automake texinfo dejagnu \
          build-essential libtool libltdl-dev \
          gnupg2 libdbus-glib-1-2 sudo sqlite3 \
          ninja-build jq xxd

      - name: Cache ccache outputs
        uses: actions/cache/restore@v4
        with:
          path: /tmp/ccache
          key: ccache-${{ hashFiles('Makefile.envs') }}

      - name: Check out Pyodide
        uses: actions/checkout@v4
        with:
          repository: pyodide/pyodide
          path: pyodide_checkout
          submodules: recursive

      - name: Overwrite previous recipes and copy new ones
        run: cp -r recipes/* pyodide_checkout/packages/

      - name: Restore cached built packages
        uses: actions/cache/restore@v4
        with:
          path: |
            pyodide_checkout/packages/.libs/*
            pyodide_checkout/packages/.artifacts/*
          key: pyodide-packages-${{ hashFiles('pyodide_checkout/packages/recipes/**/*.yaml') }}

      - name: Build Pyodide distribution
        working-directory: pyodide_checkout/
        run: |
          source pyodide_env.sh
          ccache -z
          PYODIDE_CORES=$(nproc)
          PYODIDE_JOBS="${PYODIDE_CORES}" PYODIDE_PACKAGES="pybamm" make
          ccache -s

      - name: Save ccached outputs
        uses: actions/cache/save@v4
        with:
          path: /tmp/ccache
          key: ccache-${{ hashFiles('Makefile.envs') }}

      - name: Upload Pyodide distribution
        uses: actions/upload-artifact@v4
        with:
          name: pyodide_dist
          path: pyodide_checkout/dist/*
          if-no-files-found: error