Issue #25163: Display correct directory in installer when using non-default settings.

Misc/NEWS

@@ -308,6 +308,9 @@ Build
 Windows
 -------
 
+- Issue #25163: Display correct directory in installer when using non-default
+  settings.
+
 - Issue #25361: Disables use of SSE2 instructions in Windows 32-bit build
 
 - Issue #25089: Adds logging to installer for case where launcher is not

Tools/msi/bundle/Default.thm

@@ -24,8 +24,8 @@
         <Button Name="InstallButton" X="185" Y="101" Width="-11" Height="109" TabStop="yes" FontId="3" HexStyle="0xE">#(loc.InstallButton)</Button>
         <Button Name="InstallCustomButton" X="185" Y="221" Width="-11" Height="59" TabStop="yes" FontId="3" HexStyle="0xE">#(loc.InstallCustomButton)</Button>
 
-        <Checkbox Name="PrependPath" X="185" Y="-13" Width="-100" Height="24" TabStop="yes" FontId="3">#(loc.ShortPrependPathLabel)</Checkbox>
         <Checkbox Name="InstallLauncherAllUsers" X="185" Y="-37" Width="-100" Height="24" TabStop="yes" FontId="3" HideWhenDisabled="yes">#(loc.ShortInstallLauncherAllUsersLabel)</Checkbox>
+        <Checkbox Name="PrependPath" X="185" Y="-13" Width="-100" Height="24" TabStop="yes" FontId="3">#(loc.ShortPrependPathLabel)</Checkbox>
 
         <Button Name="InstallCancelButton" X="-11" Y="-11" Width="85" Height="27" TabStop="yes" FontId="0">#(loc.CancelButton)</Button>
     </Page>

Tools/msi/bundle/Default.wxl

@@ -42,7 +42,7 @@ Continue?</String>
   <String Id="InstallLicenseLinkText">[WixBundleName] &lt;a href="#"&gt;license terms&lt;/a&gt;.</String>
   <String Id="InstallAcceptCheckbox">I &amp;agree to the license terms and conditions</String>
   <String Id="InstallButton">&amp;Install Now</String>
-  <String Id="InstallButtonNote">[DefaultJustForMeTargetDir]
+  <String Id="InstallButtonNote">[TargetDir]
 
 Includes IDLE, pip and documentation
 Creates shortcuts and file associations</String>

Tools/msi/bundle/bootstrap/PythonBootstrapperApplication.cpp

@@ -293,28 +293,8 @@ class PythonBootstrapperApplication : public CBalBaseBootstrapperApplication {
             hr = _engine->SetVariableNumeric(L"CompileAll", installAllUsers);
             ExitOnFailure(hr, L"Failed to update CompileAll");
 
-            hr = BalGetStringVariable(L"TargetDir", &targetDir);
+            hr = EnsureTargetDir();
-            if (FAILED(hr) || !targetDir || !targetDir[0]) {
+            ExitOnFailure(hr, L"Failed to set TargetDir");
-                ReleaseStr(targetDir);
-                targetDir = nullptr;
-
-                hr = BalGetStringVariable(
-                    installAllUsers ? L"DefaultAllUsersTargetDir" : L"DefaultJustForMeTargetDir",
-                    &defaultDir
-                );
-                BalExitOnFailure(hr, "Failed to get the default install directory");
-
-                if (!defaultDir || !defaultDir[0]) {
-                    BalLogError(E_INVALIDARG, "Default install directory is blank");
-                }
-
-                hr = BalFormatString(defaultDir, &targetDir);
-                BalExitOnFailure1(hr, "Failed to format '%ls'", defaultDir);
-
-                hr = _engine->SetVariableString(L"TargetDir", targetDir);
-                BalExitOnFailure(hr, "Failed to set install target directory");
-            }
-            ReleaseStr(targetDir);
 
             OnPlan(BOOTSTRAPPER_ACTION_INSTALL);
             break;
@@ -2972,6 +2952,39 @@ private:
         return;
     }
 
+    HRESULT EnsureTargetDir() {
+        LONGLONG installAllUsers;
+        LPWSTR targetDir = nullptr, defaultDir = nullptr;
+        HRESULT hr = BalGetStringVariable(L"TargetDir", &targetDir);
+        if (FAILED(hr) || !targetDir || !targetDir[0]) {
+            ReleaseStr(targetDir);
+            targetDir = nullptr;
+
+            hr = BalGetNumericVariable(L"InstallAllUsers", &installAllUsers);
+            ExitOnFailure(hr, L"Failed to get install scope");
+
+            hr = BalGetStringVariable(
+                installAllUsers ? L"DefaultAllUsersTargetDir" : L"DefaultJustForMeTargetDir",
+                &defaultDir
+            );
+            BalExitOnFailure(hr, "Failed to get the default install directory");
+
+            if (!defaultDir || !defaultDir[0]) {
+                BalLogError(E_INVALIDARG, "Default install directory is blank");
+            }
+
+            hr = BalFormatString(defaultDir, &targetDir);
+            BalExitOnFailure1(hr, "Failed to format '%ls'", defaultDir);
+
+            hr = _engine->SetVariableString(L"TargetDir", targetDir);
+            BalExitOnFailure(hr, "Failed to set install target directory");
+        }
+    LExit:
+        ReleaseStr(defaultDir);
+        ReleaseStr(targetDir);
+        return hr;
+    }
+
 public:
     //
     // Constructor - initialize member variables.
@@ -3057,6 +3070,7 @@ public:
         _baFunction = nullptr;
 
         LoadOptionalFeatureStates(pEngine);
+        EnsureTargetDir();
     }