langflow/.github/workflows/pre-release.yml

name: Langflow Pre-release (Unified)
run-name: Langflow (${{inputs.release_type}}) Pre-release by @${{ github.actor }}
on:
  workflow_dispatch:
    inputs:
      release_package:
        description: "Release package"
        required: true
        type: boolean
        default: false
      release_type:
        description: "Type of release (base or main)"
        required: true
        type: choice
        options:
          - base
          - main

env:
  POETRY_VERSION: "1.8.2"

jobs:
  release:
    name: Release Langflow
    if: inputs.release_package == true
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.check-version.outputs.version }}
    steps:
      - uses: actions/checkout@v4
      - name: Install poetry
        run: pipx install poetry==${{ env.POETRY_VERSION }}
      - name: Set up Python 3.10
        uses: actions/setup-python@v5
        with:
          python-version: "3.10"
          cache: "poetry"
      - name: Set up Nodejs 20
        uses: actions/setup-node@v4
        with:
          node-version: "20"
      - name: Check Version
        id: check-version
        run: |
          if [ "${{ inputs.release_type }}" == "base" ]; then
            version=$(cd src/backend/base && poetry version --short)
            last_released_version=$(curl -s "https://pypi.org/pypi/langflow-base/json" | jq -r '.releases | keys | .[]' | sort -V | tail -n 1)
          else
            version=$(poetry version --short)
            last_released_version=$(curl -s "https://pypi.org/pypi/langflow/json" | jq -r '.releases | keys | .[]' | sort -V | tail -n 1)
          fi
          if [ "$version" = "$last_released_version" ]; then
            echo "Version $version is already released. Skipping release."
            exit 1
          else
            echo version=$version >> $GITHUB_OUTPUT
          fi
      - name: Build project for distribution
        run: |
          if [ "${{ inputs.release_type }}" == "base" ]; then
            make build base=true
          else
            make build main=true
          fi
      - name: Test CLI
        run: |
          if [ "${{ inputs.release_type }}" == "base" ]; then
            python -m pip install src/backend/base/dist/*.whl
          else
            python -m pip install dist/*.whl
          fi
          python -m langflow run --host 127.0.0.1 --port 7860 &
          SERVER_PID=$!
          # Wait for the server to start
          timeout 120 bash -c 'until curl -f http://127.0.0.1:7860/health; do sleep 2; done' || (echo "Server did not start in time" && kill $SERVER_PID && exit 1)
          # Terminate the server
          kill $SERVER_PID || (echo "Failed to terminate the server" && exit 1)
          sleep 10 # give the server some time to terminate
          # Check if the server is still running
          if kill -0 $SERVER_PID 2>/dev/null; then
            echo "Failed to terminate the server"
            exit 1
          else
            echo "Server terminated successfully"
          fi
      - name: Publish to PyPI
        env:
          POETRY_PYPI_TOKEN_PYPI: ${{ secrets.PYPI_API_TOKEN }}
        run: |
          if [ "${{ inputs.release_type }}" == "base" ]; then
            make publish base=true
          else
            make publish main=true
          fi
      - name: Upload Artifact
        uses: actions/upload-artifact@v4
        with:
          name: dist${{ inputs.release_type }}
          path: ${{ inputs.release_type == 'base' && 'src/backend/base/dist' || 'dist' }}

  call_docker_build:
    name: Call Docker Build Workflow
    needs: release
    uses: langflow-ai/langflow/.github/workflows/docker-build.yml@dev
    with:
      version: ${{ needs.release.outputs.version }}
      release_type: ${{ inputs.release_type }}
    secrets: inherit

  create_release:
    name: Create Release
    runs-on: ubuntu-latest
    needs: [release]
    if: ${{ inputs.release_type == 'main' }}
    steps:
      - uses: actions/download-artifact@v4
        with:
          name: dist${{ inputs.release_type }}
          path: dist
      - name: Create Release
        uses: ncipollo/release-action@v1
        with:
          artifacts: "dist/*"
          token: ${{ secrets.GITHUB_TOKEN }}
          draft: false
          generateReleaseNotes: true
          prerelease: true
          tag: v${{ needs.release.outputs.version }}
          commit: dev