ci-python.yml

# Fast CI for the Python SDK: builds + runs pytest on a single host
# triple per OS on every push/PR. The full cross-build matrix only
# runs on tag push (see publish-python.yml).

name: ci-python

on:
  push:
    branches: [main]
    paths:
      - 'crates/reflow_rt/**'
      - 'crates/reflow_components/**'
      - 'crates/reflow_network/**'
      - 'crates/reflow_graph/**'
      - 'crates/reflow_actor/**'
      - 'crates/reflow_actor_macro/**'
      - 'sdk/python/**'
      - '.cargo/**'
      - 'Cargo.toml'
      - 'Cargo.lock'
      - '.github/workflows/ci-python.yml'
  pull_request:
    paths:
      - 'sdk/python/**'
      - '.cargo/**'
      - 'Cargo.toml'
      - 'Cargo.lock'
      - '.github/workflows/ci-python.yml'
  workflow_dispatch:

permissions:
  contents: read

jobs:
  test:
    name: ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-14]
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: '3.12'
      - uses: dtolnay/rust-toolchain@stable
      # The macos-14 runner image presets RUSTC_WRAPPER=sccache but
      # doesn't always put sccache on the PATH. Install it so the
      # wrapper works; on linux the action is a cheap no-op install.
      - uses: mozilla-actions/sccache-action@v0.0.5
      - uses: Swatinem/rust-cache@v2
        with:
          workspaces: |
            .
            sdk/python
      - name: Install build tools
        run: python -m pip install --upgrade pip maturin pytest
      - name: Build wheel
        working-directory: sdk/python
        # abi3-py39 produces one wheel per platform that covers every
        # CPython >= 3.9, so we build against the single setup-python
        # above instead of enumerating interpreters with --find-interpreter.
        run: maturin build --release --out dist
        env:
          PYO3_USE_ABI3_FORWARD_COMPATIBILITY: '1'
      - name: Install wheel
        shell: bash
        run: |
          # Install whatever wheel was produced for the active interpreter.
          python -m pip install --force-reinstall sdk/python/dist/*.whl
      - name: Run tests
        shell: bash
        # Run from a tmpdir so the source `sdk/python/offbit_reflow`
        # directory isn't picked up by pytest's sys.path insertion —
        # we want imports to resolve to the wheel installed above.
        run: |
          cd "$RUNNER_TEMP"
          python -m pytest -q "$GITHUB_WORKSPACE/sdk/python/tests"