Use base executable to set virtualenv Python path

crates/uv-virtualenv/src/virtualenv.rs

@@ -57,32 +57,11 @@ pub(crate) fn create(
     // considered the "base" for the virtual environment. This is typically the Python executable
     // from the [`Interpreter`]; however, if the interpreter is a virtual environment itself, then
     // the base Python executable is the Python executable of the interpreter's base interpreter.
-    let base_python = if cfg!(unix) {
-        // On Unix, follow symlinks to resolve the base interpreter, since the Python executable in
-        // a virtual environment is a symlink to the base interpreter.
-        uv_fs::canonicalize_executable(interpreter.sys_executable())?
-    } else if cfg!(windows) {
-        // On Windows, follow `virtualenv`. If we're in a virtual environment, use
-        // `sys._base_executable` if it exists; if not, use `sys.base_prefix`. For example, with
-        // Python installed from the Windows Store, `sys.base_prefix` is slightly "incorrect".
-        //
-        // If we're _not_ in a virtual environment, use the interpreter's executable, since it's
-        // already a "system Python". We canonicalize the path to ensure that it's real and
-        // consistent, though we don't expect any symlinks on Windows.
-        if interpreter.is_virtualenv() {
-            if let Some(base_executable) = interpreter.sys_base_executable() {
-                base_executable.to_path_buf()
-            } else {
-                // Assume `python.exe`, though the exact executable name is never used (below) on
-                // Windows, only its parent directory.
-                interpreter.sys_base_prefix().join("python.exe")
-            }
-        } else {
-            interpreter.sys_executable().to_path_buf()
-        }
-    } else {
-        unimplemented!("Only Windows and Unix are supported")
-    };
+    let base_python = std::path::absolute(
+        interpreter
+            .sys_base_executable()
+            .unwrap_or(interpreter.sys_executable()),
+    )?;
 
     // Validate the existing location.
     match location.metadata() {