feature: an official Github action to build flet project on multiple platform

[SamYuan1990]

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• I have searched the opened issues and there are no duplicates

Describe the requested feature

Just an official Github action to build flet project on multiple platform.
So every project can reuse the pipeline to build their own packages.

Suggest a solution

No response

Screenshots

No response

Additional details

No response

[ndonkoHenri]

Check this out: https://github.com/ndonkoHenri/flet-github-action-workflows/

[SamYuan1990]

it helps lot, but I want to have a official one, which tested with audio recording and official components.

[SamYuan1990]

So that once build failure, we can confidence, and keep eye on 3rd party python libraries.

[SamYuan1990]

Contribute back to community. @ndonkoHenri

Here is my own gha jobs to build my app.

name: Release Multi-Platform Build

on:
  workflow_dispatch:
  push:
    tags:
      - 'v*'
  # 每7天自动构建一次
  schedule:
    - cron: '0 0 */7 * *'
  # PR 触发条件 - 只针对 main 分支
  pull_request:
    branches: [main]
    paths-ignore:
      - 'docs/**'
      - '*.md'

permissions:
  contents: write
  pull-requests: write
  packages: write
  id-token: write
  attestations: write

env:
  PYTHONUTF8: 1
  FLET_CLI_NO_RICH_OUTPUT: 1
  APP_DIR: App
  BUILD_DIR: build

jobs:
  build-apps:
    strategy:
      matrix:
        include:
          - platform: ipa
            runs-on: macos-latest
            flet-platform: ipa
            base-artifact-name: ipa
            artifact-path: build/ipa  # 直接使用路径，不使用 env 变量
          - platform: apk
            runs-on: ubuntu-latest
            flet-platform: apk
            base-artifact-name: apk
            artifact-path: build/apk  # 直接使用路径，不使用 env 变量
          - platform: windows
            runs-on: windows-latest
            flet-platform: windows
            base-artifact-name: windows-app
            artifact-path: build/windows  # 直接使用路径，不使用 env 变量
          - platform: macos-arm
            runs-on: macos-latest
            flet-platform: macos
            base-artifact-name: macos-arm-app
            artifact-path: build/macos/**/*.app  # 直接使用路径，不使用 env 变量
          - platform: macos-x86
            runs-on: macos-13
            flet-platform: macos
            base-artifact-name: macos-x86-app
            artifact-path: build/macos/**/*.app  # 直接使用路径，不使用 env 变量
          - platform: linux
            runs-on: ubuntu-latest
            flet-platform: linux
            base-artifact-name: linux-app
            artifact-path: build/linux  # 直接使用路径，不使用 env 变量
  
    runs-on: ${{ matrix.runs-on }}    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          # 对于schedule触发，使用默认的Python版本
          python-version: ${{ github.event.inputs.python_version || '3.11' }}

      - name: Install platform-specific dependencies
        shell: bash
        run: |
          # Windows不需要特殊依赖
          if [ "${{ matrix.platform }}" = "macos-arm" ] || [ "${{ matrix.platform }}" = "macos-x86" ]; then
            echo "Installing dependencies for macOS..."
            brew update
            brew install ffmpeg
            sudo gem install cocoapods -v 1.16.0
          elif [ "${{ matrix.platform }}" = "linux" ]; then
            echo "Installing dependencies for Linux..."
            sudo apt-get update -y
            sudo apt-get install -y ninja-build libgtk-3-dev
          else
            echo "No additional dependencies needed for Windows."
          fi

      - name: Install Python dependencies
        shell: bash
        run: |
          python -m pip install --upgrade pip
          pip install flet

      - name: Build application with Flet
        shell: bash
        run: |
          # 构建命令根据平台有所不同
          if [ "${{ matrix.platform }}" = "macos-arm" ]; then
            echo "Building macOS ARM app"
            flet build macos ./${{ env.APP_DIR }} --output=${{ env.BUILD_DIR }}/macos -v --arch arm64
          elif [ "${{ matrix.platform }}" = "macos-x86" ]; then
            echo "Building macOS x86_64 app"
            flet build macos ./${{ env.APP_DIR }} --output=${{ env.BUILD_DIR }}/macos -v --arch x86_64
          else
            echo "Building ${{ matrix.platform }} app"
            flet build ${{ matrix.flet-platform }} ./${{ env.APP_DIR }} --output=${{ env.BUILD_DIR }}/${{ matrix.flet-platform }} -v
          fi

      - name: Determine artifact name and retention days
        id: artifact-info
        shell: bash
        run: |
          # 如果是PR触发，在artifact名称中添加PR ID并设置保留时间为1天
          if [ "${{ github.event_name }}" = "pull_request" ]; then
            echo "artifact_name=${{ matrix.base-artifact-name }}-pr-${{ github.event.pull_request.number }}" >> $GITHUB_OUTPUT
            echo "retention_days=1" >> $GITHUB_OUTPUT
          else
            echo "artifact_name=${{ matrix.base-artifact-name }}" >> $GITHUB_OUTPUT
            echo "retention_days=${{ github.event.inputs.retention_days || 7 }}" >> $GITHUB_OUTPUT
          fi

      - name: Upload Artifact
        uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.artifact-info.outputs.artifact_name }}
          path: ${{ matrix.artifact-path }}
          retention-days: ${{ steps.artifact-info.outputs.retention_days }}
          overwrite: true

[SamYuan1990]

vibe coded with deep seek, tested at SamYuan1990/i18n-agent-action#88