shopify-app-python/.github/workflows/publish.yml at main · Shopify/shopify-app-python · GitHub

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name: Publish to PyPI

on:
  push:
    branches:
      - main

permissions:
  contents: read

jobs:
  check-version:
    name: Check if version changed
    runs-on: ubuntu-latest
    outputs:
      should_publish: ${{ steps.check.outputs.should_publish }}
      version: ${{ steps.check.outputs.version }}
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4

      - name: Set up Python
        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
        with:
          python-version: "3.12"

      - name: Get local version
        id: local_version
        run: |
          VERSION=$(python -c "exec(open('shopify_app/_version.py').read()); print(__version__)")
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Local version: $VERSION"

      - name: Check if version exists on PyPI
        id: check
        run: |
          VERSION="${{ steps.local_version.outputs.version }}"
          HTTP_STATUS=$(curl -s -o /dev/null -w "%{http_code}" "https://pypi.org/pypi/shopifyapp/$VERSION/json")

          if [ "$HTTP_STATUS" = "404" ]; then
            echo "Version $VERSION not found on PyPI - will publish"
            echo "should_publish=true" >> $GITHUB_OUTPUT
          elif [ "$HTTP_STATUS" = "200" ]; then
            echo "Version $VERSION already exists on PyPI - skipping publish"
            echo "should_publish=false" >> $GITHUB_OUTPUT
          else
            echo "::error::Unexpected response from PyPI (HTTP $HTTP_STATUS) - failing to be safe"
            exit 1
          fi
          echo "version=$VERSION" >> $GITHUB_OUTPUT

  build:
    name: Build package
    needs: check-version
    if: needs.check-version.outputs.should_publish == 'true'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4

      - name: Set up Python
        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
        with:
          python-version: "3.12"

      - name: Install build dependencies
        run: python -m pip install --require-hashes -r requirements-dev.txt

      - name: Build package
        run: python -m build --no-isolation

      - name: Upload build artifacts
        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
        with:
          name: dist
          path: dist/

  publish:
    name: Publish to PyPI
    needs: [check-version, build]
    if: needs.check-version.outputs.should_publish == 'true'
    runs-on: ubuntu-latest
    permissions:
      id-token: write  # Required for OIDC trusted publishing
    environment:
      name: pypi
      url: https://pypi.org/project/shopifyapp/${{ needs.check-version.outputs.version }}/
    steps:
      - name: Download build artifacts
        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4
        with:
          name: dist
          path: dist/

      - name: Publish to PyPI
        uses: pypa/gh-action-pypi-publish@ed0c53931b1dc9bd32cbe73a98c7f6766f8a527e # v1.13.0
        # No credentials needed - uses OIDC trusted publishing