gh-91061: also accept pathlib.Path for winsound.PlaySound (#91489)

Fixes #91061

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>

1 files changed, 15 insertions, 7 deletions

diff --git a/PC/winsound.c b/PC/winsound.c
index fd04e1e5..65025dd 100644
--- a/PC/winsound.c
+++ b/PC/winsound.c
@@ -94,17 +94,25 @@ winsound_PlaySound_impl(PyObject *module, PyObject *sound, int flags)
             return NULL;
         }
         wsound = (wchar_t *)view.buf;
+    } else if (PyBytes_Check(sound)) {
+        PyErr_Format(PyExc_TypeError,
+                     "'sound' must be str, os.PathLike, or None, not '%s'",
+                     Py_TYPE(sound)->tp_name);
+        return NULL;
     } else {
-        if (!PyUnicode_Check(sound)) {
+        PyObject *obj = PyOS_FSPath(sound);
+        // Either <obj> is unicode/bytes/NULL, or a helpful message
+        // has been surfaced to the user about how they gave a non-path.
+        if (obj == NULL) return NULL;
+        if (PyBytes_Check(obj)) {
             PyErr_Format(PyExc_TypeError,
-                         "'sound' must be str or None, not '%s'",
-                         Py_TYPE(sound)->tp_name);
-            return NULL;
-        }
-        wsound = PyUnicode_AsWideCharString(sound, NULL);
-        if (wsound == NULL) {
+                         "'sound' must resolve to str, not bytes");
+            Py_DECREF(obj);
             return NULL;
         }
+        wsound = PyUnicode_AsWideCharString(obj, NULL);
+        Py_DECREF(obj);
+        if (wsound == NULL) return NULL;
     }