batchalign/.github/workflows/bazel-python.yml at main · TalkBank/batchalign · GitHub

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name: bazel · python

# Bazel-native dev / test path for the batchalign Python package.
# The cdylib is built by `rust_shared_library` + macOS dynamic_lookup
# link flags + a static pyo3-config.txt (see crates/batchalign/
# batchalign-engine/BUILD.bazel and bazel/python/pyo3-config.txt).
# `py_library` / `py_binary` / `py_test` consume the natively-built .so
# directly — no maturin in this loop.
#
# The release wheel still uses maturin (sole pyproject.toml reader for
# the multi-platform tagging matrix); that's the publish-pypi workflow.

on:
  workflow_dispatch: {}
  push:
    branches: [main]
    paths:
      - "python/**"
      - "crates/batchalign/batchalign-core/**"
      - "crates/batchalign/batchalign-engine/**"
      - "bazel/python/**"
      - "MODULE.bazel"
      - ".bazelignore"
      - ".bazelrc"
      - "MODULE.bazel.lock"
      - ".github/workflows/bazel-python.yml"
  pull_request:
    paths:
      - "python/**"
      - "crates/batchalign/batchalign-core/**"
      - "crates/batchalign/batchalign-engine/**"
      - "bazel/python/**"
      - "MODULE.bazel"
      - ".bazelignore"
      - ".bazelrc"
      - "MODULE.bazel.lock"
      - ".github/workflows/bazel-python.yml"

concurrency:
  group: bazel-python-${{ github.ref }}
  cancel-in-progress: true

env:
  BAZELISK_SKIP_WRAPPER: true

jobs:
  build-and-test:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-14]
    steps:
      - uses: actions/checkout@v4

      - uses: bazel-contrib/setup-bazel@0.19.0
        with:
          bazelisk-cache: true
          disk-cache: ${{ github.workflow }}
          repository-cache: true
          cache-version: 2-${{ runner.os }}-${{ runner.arch }}

      # Lockfile drift test exists at //python:requirements_test but is
      # tagged `manual` (see python/BUILD.bazel) because uv 0.5.18 with
      # `--universal` is host-OS-dependent and the test ping-pongs.
      # Contributors regenerate the lockfile with
      # `bazel run //python:requirements`. We don't enforce drift in CI
      # until the uv pin is bumped to a deterministic release.

      # Bazel-native cdylib via rust_shared_library + pyo3-config.txt.
      # Verifies the abi3 + dynamic_lookup wiring builds an importable .so.
      - name: bazel build engine cdylib + py_library
        run: |
          bazel build --config=ci \
            //crates/batchalign/batchalign-engine:_core_so \
            //python/batchalign:batchalign_lib \
            //python/batchalign:batchalign \
            //python/batchalign:wheel

      # py_test runs pytest against the Bazel-built .so.
      - name: bazel test pytest
        run: bazel test --config=ci //python/batchalign:pytest

      # Smoke: invoke the CLI through py_binary to catch packaging regressions
      # that pytest alone wouldn't surface (PYTHONPATH, runfiles layout, etc.).
      - name: CLI smoke (py_binary --help)
        run: bazel run //python/batchalign -- --help