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release.yml
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name: Langflow Release
run-name: Langflow Release by @${{ github.actor }}
on:
workflow_dispatch:
inputs:
release_package_base:
description: "Release Langflow Base"
required: true
type: boolean
default: false
release_package_main:
description: "Release Langflow"
required: true
type: boolean
default: false
build_docker_base:
description: "Build Docker Image for Langflow Base"
required: true
type: boolean
default: false
build_docker_main:
description: "Build Docker Image for Langflow"
required: true
type: boolean
default: false
pre_release:
description: "Pre-release"
required: false
type: boolean
default: false
create_release:
description: "Whether to create a gh release"
required: false
type: boolean
default: true
jobs:
ci:
if: ${{ github.event.inputs.release_package_base == 'true' || github.event.inputs.release_package_main == 'true' }}
name: CI
uses: ./.github/workflows/ci.yml
with:
python-versions: "['3.10', '3.11', '3.12']"
frontend-tests-folder: "tests"
release-base:
name: Release Langflow Base
needs: [ci]
if: inputs.release_package_base == true
runs-on: ubuntu-latest
outputs:
version: ${{ steps.check-version.outputs.version }}
skipped: ${{ steps.check-version.outputs.skipped }}
steps:
- name: Checkout code
uses: actions/checkout@v4
- name: Setup Environment
uses: ./.github/actions/setup-uv
- name: Install the project
run: uv sync --dev
- name: Check Version
id: check-version
run: |
version=$(uv tree | grep 'langflow-base' | awk '{print $3}')
last_released_version=$(curl -s "https://pypi.org/pypi/langflow-base/json" | jq -r '.releases | keys | .[]' | sort -V | tail -n 1)
if [ "$version" = "$last_released_version" ]; then
echo "Version $version is already released. Skipping release."
echo skipped=true >> $GITHUB_OUTPUT
exit 0
else
echo version=$version >> $GITHUB_OUTPUT
echo skipped=false >> $GITHUB_OUTPUT
fi
- name: Build project for distribution
if: steps.check-version.outputs.skipped == 'false'
run: make build base=true args="--wheel"
- name: Test CLI
if: steps.check-version.outputs.skipped == 'false'
run: |
# TODO: Unsure why the whl is not built in src/backend/base/dist
mkdir src/backend/base/dist
mv dist/*.whl src/backend/base/dist
uv pip install src/backend/base/dist/*.whl
uv run python -m langflow run --host 127.0.0.1 --port 7860 --backend-only &
SERVER_PID=$!
# Wait for the server to start
timeout 120 bash -c 'until curl -f http://127.0.0.1:7860/api/v1/auto_login; 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:
UV_PUBLISH_TOKEN: ${{ secrets.PYPI_API_TOKEN }}
run: |
make publish base=true
- name: Upload Artifact
if: steps.check-version.outputs.skipped == 'false'
uses: actions/upload-artifact@v4
with:
name: dist-base
path: src/backend/base/dist
release-main:
name: Release Langflow Main
if: inputs.release_package_main == true
needs: [release-base]
runs-on: ubuntu-latest
outputs:
version: ${{ steps.check-version.outputs.version }}
steps:
- name: Checkout code
uses: actions/checkout@v4
- name: Setup Environment
uses: ./.github/actions/setup-uv
- name: Install the project
run: uv sync --dev
# If pre-release is true, we need to check if ["a", "b", "rc", "dev", "post"] is in the version string
# if the version string is incorrect, we need to exit the workflow
- name: Check if pre-release
if: inputs.pre_release == 'true'
run: |
version=$(uv tree | grep 'langflow' | grep -v 'langflow-base' | awk '{print $2}' | sed 's/^v//')
if [[ "${version}" =~ ^([0-9]+\.)?([0-9]+\.)?[0-9]+((a|b|rc|dev|post)([0-9]+))$ ]]; then
echo "Pre-release version detected. Continuing with the release."
else
echo "Invalid pre-release version detected. Exiting the workflow."
exit 1
fi
- name: Check Version
id: check-version
run: |
version=$(uv tree | grep 'langflow' | grep -v 'langflow-base' | awk '{print $2}' | sed 's/^v//')
last_released_version=$(curl -s "https://pypi.org/pypi/langflow/json" | jq -r '.releases | keys | .[]' | sort -V | tail -n 1)
if [ "$version" = "$last_released_version" ]; then
echo "Version $version is already released. Skipping release."
exit 1
else
echo version=$version >> $GITHUB_OUTPUT
fi
- name: Wait for PyPI Propagation
if: needs.release-base.outputs.skipped == 'false'
run: sleep 300 # wait for 5 minutes to ensure PyPI propagation
- name: Build project for distribution
run: make build main=true args="--no-sources --wheel"
- name: Test CLI
run: |
uv pip install dist/*.whl
uv run python -m langflow run --host 127.0.0.1 --port 7860 --backend-only &
SERVER_PID=$!
# Wait for the server to start
timeout 120 bash -c 'until curl -f http://127.0.0.1:7860/health_check; 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:
UV_PUBLISH_TOKEN: ${{ secrets.PYPI_API_TOKEN }}
run: |
make publish main=true
- name: Upload Artifact
uses: actions/upload-artifact@v4
with:
name: dist-main
path: dist
call_docker_build_base:
name: Call Docker Build Workflow for Langflow Base
if: inputs.build_docker_base == true
needs: release-base
uses: ./.github/workflows/docker-build.yml
with:
version: ${{ needs.release-base.outputs.version }}
release_type: base
pre_release: ${{ inputs.pre_release }}
secrets: inherit
call_docker_build_main:
name: Call Docker Build Workflow for Langflow
if: inputs.build_docker_main == true
needs: release-main
uses: ./.github/workflows/docker-build.yml
with:
version: ${{ needs.release-main.outputs.version }}
release_type: main
pre_release: ${{ inputs.pre_release }}
secrets: inherit
create_release:
name: Create Release
runs-on: ubuntu-latest
needs: release-main
steps:
- uses: actions/download-artifact@v4
with:
name: dist-main
path: dist
- name: Create Release
uses: ncipollo/release-action@v1
with:
artifacts: "dist/*"
token: ${{ secrets.GITHUB_TOKEN }}
draft: false
generateReleaseNotes: true
prerelease: ${{ inputs.pre_release }}
tag: v${{ needs.release-main.outputs.version }}
commit: ${{ github.ref }}