charm4py.yml

name: Charm4py

on:
  push:
    branches:
      - main
  pull_request:
  schedule:
    - cron: "5 0 * * *" # Runs at 00:05 UTC every day.

jobs:
  auto_test:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        python-version: ["3.7", "3.12"]
        # macos-13 is x86_64, macos-14 is arm64
        os: [ubuntu-latest, macos-13, macos-14]
        exclude:
          - os: macos-14  # Python 3.7 does not exist for macos-14
            python-version: "3.7"
      fail-fast: false

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0 # Need full repo for 'git describe' used by setup.py
      - name: setup-python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
      - name: Install dependencies
        run: |
          pip install setuptools cython cffi greenlet numpy torch torchvision filelock
          if [ ${{ matrix.os }} == 'macos-13' ]; then
            # pypi only distributes torch packages w/ numpy v1 for macos-x86_64
            pip install 'numpy<2'
          fi
      - name: Build Charm++/Charm4py
        run: |
          git clone https://github.com/charmplusplus/charm charm_src/charm
          export CHARM_EXTRA_BUILD_OPTS="--enable-error-checking"
          export CHARM_BUILD_PROCESSES=2
          export CHARM4PY_BUILD_CFFI=1
          python setup.py build_ext --inplace
      - name: Run auto_test.py
        run: |
          export PYTHONPATH="$PWD"
          export CHARM4PY_TEST_NUM_PROCESSES=2
          if [ ${{ matrix.os }} == 'macos-13' ]; then
            # Crashes in ray test otherwise
            export OBJC_DISABLE_INITIALIZE_FORK_SAFETY=YES
          fi
          python auto_test.py