test-win-exe-w-embed-py.yaml

name: Build Streamlit Windows Installer (Multi-CAB, Embeddable Python)

on:
  push:
    branches: [ "main" ]
  workflow_dispatch:

jobs:
  build-win-installer:
    runs-on: windows-2022

    env:
      PYTHON_VERSION: 3.10.0
      APP_NAME: OpenMS-NuXLApp-Test
      APP_UpgradeCode: 4abc2e23-3ba5-40e4-95c9-09e6cb8ecaeb

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      # ----------------------------------------------------------------------
      # Download embeddable Python
      # ----------------------------------------------------------------------
      - name: Download Python embeddable
        shell: bash
        run: |
          mkdir python-${PYTHON_VERSION}
          curl -LO https://www.python.org/ftp/python/${PYTHON_VERSION}/python-${PYTHON_VERSION}-embed-amd64.zip
          unzip python-${PYTHON_VERSION}-embed-amd64.zip -d python-${PYTHON_VERSION}
          rm python-${PYTHON_VERSION}-embed-amd64.zip

      - name: Install pip into embeddable Python
        shell: bash
        run: |
          curl -LO https://bootstrap.pypa.io/get-pip.py
          ./python-${PYTHON_VERSION}/python get-pip.py --no-warn-script-location
          rm get-pip.py

      - name: Enable site-packages (import site)
        shell: bash
        run: |
          sed -i 's/#import site/import site/' python-${PYTHON_VERSION}/python310._pth

      - name: Install Python requirements
        run: |
          .\python-${{ env.PYTHON_VERSION }}\python -m pip install -r requirements.txt --no-warn-script-location

      # ----------------------------------------------------------------------
      # Build portable application directory
      # ----------------------------------------------------------------------
      - name: Create launcher batch file
        shell: bash
        run: |
          echo "start /min python-${PYTHON_VERSION}\\python -m streamlit run app.py local" > ${APP_NAME}.bat

      - name: Assemble portable app folder
        run: |
          Remove-Item -Recurse -Force streamlit_exe -ErrorAction SilentlyContinue
          mkdir streamlit_exe
          mv python-${{ env.PYTHON_VERSION }} streamlit_exe
          cp -r src streamlit_exe
          cp -r content streamlit_exe
          cp -r assets streamlit_exe
          cp -r example-data streamlit_exe
          cp -r .streamlit streamlit_exe
          cp app.py streamlit_exe
          cp settings.json streamlit_exe
          cp ${{ env.APP_NAME }}.bat streamlit_exe

      # Optional but strongly recommended: reduce file count
      #- name: Remove Python caches and tests
      #  run: |
      #   Get-ChildItem streamlit_exe -Recurse -Directory -Filter "__pycache__" | Remove-Item -Recurse -Force
      #   Get-ChildItem streamlit_exe -Recurse -Directory -Match "test","tests" | Remove-Item -Recurse -Force

      # ----------------------------------------------------------------------
      # Install WiX Toolset 3.11
      # ----------------------------------------------------------------------
      - name: Install WiX
        shell: bash
        run: |
          curl -LO https://github.com/wixtoolset/wix3/releases/download/wix3111rtm/wix311-binaries.zip
          unzip wix311-binaries.zip -d wix
          rm wix311-binaries.zip

      # ----------------------------------------------------------------------
      # Split harvesting (CRITICAL PART)
      # ----------------------------------------------------------------------
      - name: Harvest application files (no Python)
        run: |
          ./wix/heat.exe dir streamlit_exe `
            -gg -sfrag -sreg -srd `
            -template component `
            -cg AppFiles `
            -dr AppSubFolder `
            -x streamlit_exe/python-${{ env.PYTHON_VERSION }} `
            -out app_files.wxs

      - name: Harvest Python runtime (no site-packages)
        run: |
          ./wix/heat.exe dir streamlit_exe/python-${{ env.PYTHON_VERSION }} `
            -gg -sfrag -sreg -srd `
            -template component `
            -cg PythonRuntime `
            -dr AppSubFolder `
            -x streamlit_exe/python-${{ env.PYTHON_VERSION }}/Lib/site-packages `
            -out python_runtime.wxs

      - name: Harvest Python site-packages
        run: |
          ./wix/heat.exe dir streamlit_exe/python-${{ env.PYTHON_VERSION }}/Lib/site-packages `
            -gg -sfrag -sreg -srd `
            -template component `
            -cg PythonPackages `
            -dr AppSubFolder `
            -out python_packages.wxs

      # ----------------------------------------------------------------------
      # Assign DiskId to avoid CAB overflow
      # ----------------------------------------------------------------------
      - name: Assign DiskId per harvest
        shell: bash
        run: |
          sed -i 's/<File /<File DiskId="1" /' app_files.wxs
          sed -i 's/<File /<File DiskId="2" /' python_runtime.wxs
          sed -i 's/<File /<File DiskId="3" /' python_packages.wxs

      # ----------------------------------------------------------------------
      # Prepare SourceDir
      # ----------------------------------------------------------------------
      - name: Prepare SourceDir
        run: |
          mkdir SourceDir
          mv streamlit_exe/* SourceDir
          cp assets/openms_license.rtf SourceDir
          cp assets/openms.ico SourceDir

      # ----------------------------------------------------------------------
      # Main WiX product file
      # ----------------------------------------------------------------------
      - name: Generate main WiX file
        shell: bash
        run: |
          cat <<EOF > installer.wxs
          <?xml version="1.0"?>
          <Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
            <Product Id="*" Name="${APP_NAME}" Language="1033"
                     Version="1.0.0.0"
                     Manufacturer="OpenMS Developer Team"
                     UpgradeCode="${APP_UpgradeCode}">
              <Package InstallerVersion="300" Compressed="yes" Platform="x64"/>

              <Media Id="1" Cabinet="app.cab" EmbedCab="yes"/>
              <Media Id="2" Cabinet="python.cab" EmbedCab="yes"/>
              <Media Id="3" Cabinet="packages.cab" EmbedCab="yes"/>

              <Directory Id="TARGETDIR" Name="SourceDir">
                <Directory Id="ProgramFilesFolder">
                  <Directory Id="INSTALLFOLDER" Name="${APP_NAME}">
                    <Directory Id="AppSubFolder" Name="${APP_NAME}"/>
                  </Directory>
                </Directory>
                <Directory Id="DesktopFolder"/>
              </Directory>

              <Feature Id="MainFeature" Level="1">
                <ComponentGroupRef Id="AppFiles"/>
                <ComponentGroupRef Id="PythonRuntime"/>
                <ComponentGroupRef Id="PythonPackages"/>
              </Feature>

              <Icon Id="AppIcon" SourceFile="SourceDir/openms.ico"/>
              <WixVariable Id="WixUILicenseRtf" Value="SourceDir/openms_license.rtf"/>

              <UI>
                <UIRef Id="WixUI_InstallDir"/>
                <UIRef Id="WixUI_ErrorProgressText"/>
              </UI>
            </Product>
          </Wix>
          EOF

      # ----------------------------------------------------------------------
      # Build MSI
      # ----------------------------------------------------------------------
      - name: Compile WiX sources
        run: |
          ./wix/candle.exe installer.wxs app_files.wxs python_runtime.wxs python_packages.wxs

      - name: Link MSI
        run: |
          ./wix/light.exe -ext WixUIExtension -o ${APP_NAME}.msi installer.wixobj app_files.wixobj python_runtime.wixobj python_packages.wixobj

      # ----------------------------------------------------------------------
      # Upload artifact
      # ----------------------------------------------------------------------
      - name: Upload MSI
        uses: actions/upload-artifact@v4
        with:
          name: OpenMS-Windows-MSI
          path: ${{ env.APP_NAME }}.msi