build-rtc.yml

name: Build RTC

on:
  push:
    branches:
      - main
    paths:
      - livekit-rtc/**
    tags:
      - "rtc-v*.*.*"
  pull_request:
    branches:
      - main
    paths:
      - livekit-rtc/**
  workflow_dispatch:

env:
  PACKAGE_DIR: ./livekit-rtc

jobs:
  generate_protobuf:
    runs-on: ubuntu-latest
    name: Generating protobuf
    if: github.event_name == 'pull_request'

    defaults:
      run:
        working-directory: ${{ env.PACKAGE_DIR }}
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: true
          ref: ${{ github.event.pull_request.head.ref }}

      - uses: actions/setup-python@v4

      - name: Install Protoc
        uses: arduino/setup-protoc@v2
        with:
          version: "25.1"
          repo-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Install deps
        run: |
          pip3 install mypy-protobuf==3.6.0

      - name: generate python stubs
        run: ./generate_proto.sh

      - name: Add changes
        uses: EndBug/add-and-commit@v9
        with:
          add: '["livekit-rtc/"]'
          default_author: github_actions
          message: generated protobuf


  build_wheels:
    name: Build RTC wheels (${{ matrix.archs }})
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        # wheels to build:
        include:
          - os: ubuntu-latest
            archs: x86_64
          - os: buildjet-4vcpu-ubuntu-2204-arm
            archs: aarch64
          - os: windows-latest
            archs: AMD64
          - os: macos-latest
            archs: x86_64 arm64
    defaults:
      run:
        working-directory: ${{ env.PACKAGE_DIR }}
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true

      - uses: actions/setup-python@v4

      - name: Install cibuildwheel
        if: runner.os != 'macOS'
        run: python3 -m pip install cibuildwheel==2.17.0

      - name: Install cibuildwheel on macOS
        if: runner.os == 'macOS'
        run: python3 -m pip install --break-system-packages cibuildwheel==2.17.0

      - name: Build wheels
        run: python3 -m cibuildwheel --output-dir dist
        env:
          CIBW_ARCHS: ${{ matrix.archs }}

      - uses: actions/upload-artifact@v4
        with:
          name: rtc-release
          path: livekit-rtc/dist/*.whl

  make_sdist:
    name: Make RTC sdist
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ${{ env.PACKAGE_DIR }}
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true

      - name: Build sdist
        run: |
          pip3 install build
          python3 -m build --sdist

      - uses: actions/upload-artifact@v4
        with:
          name: rtc-release
          path: livekit-rtc/dist/*.tar.gz

  publish:
    name: Publish RTC release
    needs: [build_wheels, make_sdist]
    runs-on: ubuntu-latest
    permissions:
      id-token: write
    if: startsWith(github.ref, 'refs/tags/rtc-v')
    steps:
      - uses: actions/download-artifact@v4
        with:
          name: rtc-release
          path: dist

      - uses: pypa/gh-action-pypi-publish@release/v1
        with:
          user: __token__
          password: ${{ secrets.PYPI_API_TOKEN }}

  docs:
    needs: [publish]
    uses: ./.github/workflows/build-docs.yml
    with:
      package_dir: "livekit-rtc"
      package_name: "livekit.rtc"
    secrets: inherit