example-execution.yml

name: Example Execution

on:
  push:
  pull_request:

jobs:
  examples:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.12"
      - name: Run examples in fresh virtual environments
        run: |
          set -euo pipefail
          found=0
          failed=0
          for example in examples/*; do
            [ -d "$example" ] || continue
            entry=""
            if [ -f "$example/run_demo.py" ]; then
              entry="run_demo.py"
            elif [ -f "$example/main.py" ]; then
              entry="main.py"
            else
              continue
            fi

            found=1
            echo "::group::$example"
            venv="$(mktemp -d)"
            python -m venv "$venv"
            "$venv/bin/python" -m pip install --upgrade pip
            "$venv/bin/python" -m pip install -e .
            if [ -f "$example/requirements.txt" ]; then
              "$venv/bin/python" -m pip install -r "$example/requirements.txt"
            fi
            if ! (cd "$example" && "$venv/bin/python" "$entry"); then
              failed=1
              echo "FAIL $example"
            else
              echo "PASS $example"
            fi
            rm -rf "$venv"
            echo "::endgroup::"
          done

          if [ "$found" -eq 0 ]; then
            echo "No examples with run_demo.py or main.py found."
          fi
          exit "$failed"