cpython/Tools/msi/pip/pip.wxs

<?xml version="1.0" encoding="UTF-8"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
    <Product Id="*" Language="!(loc.LCID)" Name="!(loc.Title)" Version="$(var.Version)" Manufacturer="!(loc.Manufacturer)" UpgradeCode="$(var.UpgradeCode)">
        <Package InstallerVersion="300" Compressed="yes" InstallScope="perUser" Platform="$(var.Platform)" />
        
        <PropertyRef Id="UpgradeTable" />
        <PropertyRef Id="REGISTRYKEY" />
        
        <Property Id="PYTHON_EXE" Secure="yes">
            <ComponentSearch Id="PythonExe" Guid="$(var.PythonExeComponentGuid)">
                <FileSearch Name="python.exe" />
            </ComponentSearch>
        </Property>

        <Condition Message="!(loc.NoPython)">PYTHON_EXE</Condition>
        
        <Feature Id="DefaultFeature" AllowAdvertise="no" Title="!(loc.Title)" Description="!(loc.Description)">
            <ComponentRef Id="OptionalFeature" />
        </Feature>
        
        <?if $(var.Platform)~="x64" ?>
        <CustomAction Id="UpdatePip" BinaryKey="WixCA" DllEntry="CAQuietExec64" Execute="deferred" Return="ignore"/>
        <?else ?>
        <CustomAction Id="UpdatePip" BinaryKey="WixCA" DllEntry="CAQuietExec" Execute="deferred" Return="ignore"/>
        <?endif ?>
        
        <!-- Install/uninstall pip -->
        <CustomAction Id="SetUpdatePipCommandLine" Property="UpdatePip" Value='"[PYTHON_EXE]" -E -s -m ensurepip -U --default-pip' Execute="immediate" />
        <CustomAction Id="SetRemovePipCommandLine" Property="UpdatePip" Value='"[PYTHON_EXE]" -E -s -B -m ensurepip._uninstall' Execute="immediate" />
        
        <InstallExecuteSequence>
            <Custom Action="SetUpdatePipCommandLine" Before="UpdatePip">(&amp;DefaultFeature=3) AND NOT (!DefaultFeature=3)</Custom>
            <Custom Action="SetRemovePipCommandLine" Before="UpdatePip">(&amp;DefaultFeature=2) AND (!DefaultFeature=3)</Custom>

            <Custom Action="UpdatePip" Before="InstallFinalize">UpdatePip</Custom>
        </InstallExecuteSequence>
    </Product>
</Wix>