release-python.yml

name: Release Python package

# Push a tag such as py-v0.1.0. PyPI trusts this workflow directly, so no
# token is stored anywhere.
on:
  push:
    tags: ["py-v*"]

# GitHub can deliver one tag push twice; the second run waits for the first.
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}

permissions:
  contents: read

jobs:
  build:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: python
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          fetch-depth: 0
      - name: Tag is on main
        run: git merge-base --is-ancestor "$GITHUB_SHA" origin/main
      - uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
      - name: Tag matches package version
        run: test "py-v$(uv version --short)" = "$GITHUB_REF_NAME"
      - run: uv run --group dev ruff format --check .
      - run: uv run --group dev ruff check .
      - run: uv run --group dev mypy
      - run: uv run --group dev pytest
      - run: uv build
      - uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        with:
          name: dist
          path: python/dist/

  publish:
    needs: build
    runs-on: ubuntu-latest
    environment:
      name: pypi
      url: https://pypi.org/project/ng-postcode/
    permissions:
      id-token: write
    steps:
      - uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
        with:
          name: dist
          path: dist/
      - uses: pypa/gh-action-pypi-publish@dc37677b2e1c63e2034f94d8a5b11f265b73ba33 # v1.14.2
        with:
          skip-existing: true