Skip over broken tool Python on Windows too (#17176)

Fixes #16252

crates/uv-python/src/virtualenv.rs

@@ -34,6 +34,8 @@ pub struct VirtualEnvironment {
 /// A parsed `pyvenv.cfg`
 #[derive(Debug, Clone)]
 pub struct PyVenvConfiguration {
+    /// The `PYTHONHOME` directory containing the base Python executable.
+    pub(crate) home: Option<PathBuf>,
     /// Was the virtual environment created with the `virtualenv` package?
     pub(crate) virtualenv: bool,
     /// Was the virtual environment created with the `uv` package?
@@ -231,6 +233,7 @@ pub(crate) fn virtualenv_python_executable(venv: impl AsRef<Path>) -> PathBuf {
 impl PyVenvConfiguration {
     /// Parse a `pyvenv.cfg` file into a [`PyVenvConfiguration`].
     pub fn parse(cfg: impl AsRef<Path>) -> Result<Self, Error> {
+        let mut home = None;
         let mut virtualenv = false;
         let mut uv = false;
         let mut relocatable = false;
@@ -248,6 +251,9 @@ impl PyVenvConfiguration {
                 continue;
             };
             match key.trim() {
+                "home" => {
+                    home = Some(PathBuf::from(value.trim()));
+                }
                 "virtualenv" => {
                     virtualenv = true;
                 }
@@ -274,6 +280,7 @@ impl PyVenvConfiguration {
         }
 
         Ok(Self {
+            home,
             virtualenv,
             uv,
             relocatable,