.github/workflows/publish.yml

# Ultralytics YOLO 🚀, AGPL-3.0 license
# Publish pip package to PyPI https://pypi.org/project/ultralytics/

name: Publish to PyPI

on:
  push:
    branches: [main]
  workflow_dispatch:
    inputs:
      pypi:
        type: boolean
        description: Publish to PyPI

jobs:
  publish:
    if: github.repository == 'ultralytics/ultralytics' && github.actor == 'glenn-jocher'
    name: Publish
    runs-on: ubuntu-latest
    permissions:
      id-token: write  # for PyPI trusted publishing
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.PERSONAL_ACCESS_TOKEN || secrets.GITHUB_TOKEN }} # use your PAT here
      - name: Git config
        run: |
          git config --global user.name "UltralyticsAssistant"
          git config --global user.email "web@ultralytics.com"
      - name: Set up Python environment
        uses: actions/setup-python@v5
        with:
          python-version: "3.x"
          cache: "pip" # caching pip dependencies
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip wheel
          pip install requests build twine toml
      - name: Check PyPI version
        shell: python
        run: |
          import os
          import requests
          import toml

          # Load version and package name from pyproject.toml
          pyproject = toml.load('pyproject.toml')
          package_name = pyproject['project']['name']
          local_version = pyproject['project'].get('version', 'dynamic')

          # If version is dynamic, extract it from the specified file
          if local_version == 'dynamic':
              version_attr = pyproject['tool']['setuptools']['dynamic']['version']['attr']
              module_path, attr_name = version_attr.rsplit('.', 1)
              with open(f"{module_path.replace('.', '/')}/__init__.py") as f:
                  local_version = next(line.split('=')[1].strip().strip("'\"") for line in f if line.startswith(attr_name))

          print(f"Local Version: {local_version}")

          # Get online version from PyPI
          response = requests.get(f"https://pypi.org/pypi/{package_name}/json")
          online_version = response.json()['info']['version'] if response.status_code == 200 else None
          print(f"Online Version: {online_version or 'Not Found'}")

          # Determine if a new version should be published
          publish = False
          if online_version:
              local_ver = tuple(map(int, local_version.split('.')))
              online_ver = tuple(map(int, online_version.split('.')))
              major_diff = local_ver[0] - online_ver[0]
              minor_diff = local_ver[1] - online_ver[1]
              patch_diff = local_ver[2] - online_ver[2]

              publish = (
                  (major_diff == 0 and minor_diff == 0 and 0 < patch_diff <= 2) or
                  (major_diff == 0 and minor_diff == 1 and local_ver[2] == 0) or
                  (major_diff == 1 and local_ver[1] == 0 and local_ver[2] == 0)
              )
          else:
              publish = True  # First release

          os.system(f'echo "increment={publish}" >> $GITHUB_OUTPUT')
          os.system(f'echo "current_tag=v{local_version}" >> $GITHUB_OUTPUT')
          os.system(f'echo "previous_tag=v{online_version}" >> $GITHUB_OUTPUT')

          if publish:
              print('Ready to publish new version to PyPI ✅.')
        id: check_pypi
      - name: Build package
        if: (github.event_name == 'push' || github.event.inputs.pypi == 'true') && steps.check_pypi.outputs.increment == 'True'
        run: python -m build
      - name: Publish to PyPI
        continue-on-error: true
        if: (github.event_name == 'push' || github.event.inputs.pypi == 'true') && steps.check_pypi.outputs.increment == 'True'
        uses: pypa/gh-action-pypi-publish@release/v1
      - name: Publish new tag
        if: (github.event_name == 'push' || github.event.inputs.pypi == 'true')  && steps.check_pypi.outputs.increment == 'True'
        run: |
          git tag -a "${{ steps.check_pypi.outputs.current_tag }}" -m "$(git log -1 --pretty=%B)"  # i.e. "v0.1.2 commit message"
          git push origin "${{ steps.check_pypi.outputs.current_tag }}"
      - name: Publish new release
        if: (github.event_name == 'push' || github.event.inputs.pypi == 'true')  && steps.check_pypi.outputs.increment == 'True'
        env:
          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
          GITHUB_TOKEN: ${{ secrets.PERSONAL_ACCESS_TOKEN || secrets.GITHUB_TOKEN }}
          CURRENT_TAG: ${{ steps.check_pypi.outputs.current_tag }}
          PREVIOUS_TAG: ${{ steps.check_pypi.outputs.previous_tag }}
        run: |
          curl -s "https://raw.githubusercontent.com/ultralytics/actions/main/utils/summarize_release.py" | python -
        shell: bash
      - name: Extract PR Details
        env:
          GH_TOKEN: ${{ secrets.PERSONAL_ACCESS_TOKEN || secrets.GITHUB_TOKEN }}
        run: |
          # Check if the event is a pull request or pull_request_target
          if [ "${{ github.event_name }}" = "pull_request" ] || [ "${{ github.event_name }}" = "pull_request_target" ]; then
            PR_NUMBER=${{ github.event.pull_request.number }}
            PR_TITLE=$(gh pr view $PR_NUMBER --json title --jq '.title')
          else
            # Use gh to find the PR associated with the commit
            COMMIT_SHA=${{ github.event.after }}
            PR_JSON=$(gh pr list --search "${COMMIT_SHA}" --state merged --json number,title --jq '.[0]')
            PR_NUMBER=$(echo $PR_JSON | jq -r '.number')
            PR_TITLE=$(echo $PR_JSON | jq -r '.title')
          fi
          echo "PR_NUMBER=$PR_NUMBER" >> $GITHUB_ENV
          echo "PR_TITLE=$PR_TITLE" >> $GITHUB_ENV
      - name: Notify on Slack (Success)
        if: success() && github.event_name == 'push' && steps.check_pypi.outputs.increment == 'True'
        uses: slackapi/slack-github-action@v1.27.0
        with:
          payload: |
            {"text": "<!channel> GitHub Actions success for ${{ github.workflow }} ✅\n\n\n*Repository:* https://github.com/${{ github.repository }}\n*Action:* https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}\n*Author:* ${{ github.actor }}\n*Event:* NEW '${{ github.repository }} ${{ steps.check_pypi.outputs.current_tag }}' pip package published 😃\n*Job Status:* ${{ job.status }}\n*Pull Request:* <https://github.com/${{ github.repository }}/pull/${{ env.PR_NUMBER }}> ${{ env.PR_TITLE }}\n"}
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL_YOLO }}
      - name: Notify on Slack (Failure)
        if: failure()
        uses: slackapi/slack-github-action@v1.27.0
        with:
          payload: |
            {"text": "<!channel> GitHub Actions error for ${{ github.workflow }} ❌\n\n\n*Repository:* https://github.com/${{ github.repository }}\n*Action:* https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}\n*Author:* ${{ github.actor }}\n*Event:* ${{ github.event_name }}\n*Job Status:* ${{ job.status }}\n*Pull Request:* <https://github.com/${{ github.repository }}/pull/${{ env.PR_NUMBER }}> ${{ env.PR_TITLE }}\n"}
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL_YOLO }}