build_library.yml

name: Library Release Build

on:
  push:
    branches:
      - release-library/**

env:
  CARGO_TERM_COLOR: always
  RELAY_CARGO_ARGS: "--locked"

jobs:
  linux:
    timeout-minutes: 30
    strategy:
      fail-fast: false
      matrix:
        build-arch:
          - x86_64
          - aarch64

    name: Python Linux ${{ matrix.build-arch }}
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive

      - if: matrix.build-arch == 'aarch64'
        uses: docker/setup-qemu-action@v3
        with:
          platforms: arm64

      - name: Build in Docker
        run: scripts/docker-manylinux.sh
        env:
          TARGET: ${{ matrix.build-arch }}

      - uses: actions/upload-artifact@v4
        with:
          name: artifact-linux-${{ matrix.build-arch }}
          path: py/dist/*
          if-no-files-found: 'error'
          # since this artifact will be merged, compression is not necessary
          compression-level: '0'

  macos:
    strategy:
      fail-fast: false
      matrix:
        include:
          - target: x86_64-apple-darwin
            py-platform: macosx-13_0_x86_64
          - target: aarch64-apple-darwin
            py-platform: macosx-14_0_arm64

    name: Python macOS ${{ matrix.py-platform }}
    runs-on: macos-14

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Install Rust Toolchain
        run: |
          rustup set profile minimal
          rustup toolchain install stable
          rustup override set stable
          rustup target add --toolchain stable ${{ matrix.target }}

      - uses: actions/setup-python@v5
        with:
          python-version: "3.10"

      - name: Build Wheel
        run: |
          pip install wheel
          python setup.py bdist_wheel -p ${{ matrix.py-platform }}
        working-directory: py
        env:
          # consumed by cargo and setup.py to obtain the target dir
          CARGO_BUILD_TARGET: ${{ matrix.target }}

      - uses: actions/upload-artifact@v4
        with:
          name: artifact-macos-${{ matrix.py-platform }}
          path: py/dist/*
          if-no-files-found: 'error'
          # since this artifact will be merged, compression is not necessary
          compression-level: '0'

  sdist:
    name: Python sdist
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive

      - uses: actions/setup-python@v5
        with:
          python-version: "3.10"

      - name: Build sdist
        run: python setup.py sdist --format=zip
        working-directory: py

      - uses: actions/upload-artifact@v4
        with:
          name: artifact-sdist
          path: py/dist/*
          if-no-files-found: 'error'
          # since this artifact will be merged, compression is not necessary
          compression-level: '0'

  merge:
    name: Create Release Artifact
    runs-on: ubuntu-latest
    needs: [linux, macos, sdist]
    steps:
      # Note: due to the immutability of artifacts in upload-artifact v4,
      # there cannot be mutliple upload-artifacts with the same name, in a sha's workflow runs.
      # However in this case it is fine because this only runs on release-library/** branches,
      # and the other runs on release/** branches.
      - uses: actions/upload-artifact/merge@v4
        with:
          # Craft expects release assets to be a single artifact named after the sha.
          name: ${{ github.sha }}
          pattern: artifact-*
          delete-merged: true