Issue #18101: Tcl.split() now process Unicode strings nested in a tuple as it

do with byte strings.

Added tests for Tcl.split() and tcl.splitline().

1 files changed, 27 insertions, 0 deletions

diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c
index 7872df3..aed42ac 100644
--- a/Modules/_tkinter.c
+++ b/Modules/_tkinter.c
@@ -547,6 +547,33 @@ SplitObj(PyObject *arg)
             return Split(PyString_AsString(arg));
         /* Fall through, returning arg. */
     }
+    else if (PyUnicode_Check(arg)) {
+        int argc;
+        char **argv;
+        char *list;
+        PyObject *s = PyUnicode_AsUTF8String(arg);
+
+        if (s == NULL) {
+            Py_INCREF(arg);
+            return arg;
+        }
+        list = PyString_AsString(s);
+
+        if (list == NULL ||
+            Tcl_SplitList((Tcl_Interp *)NULL, list, &argc, &argv) != TCL_OK) {
+            Py_DECREF(s);
+            Py_INCREF(arg);
+            return arg;
+        }
+        Tcl_Free(FREECAST argv);
+        if (argc > 1) {
+            PyObject *v = Split(list);
+            Py_DECREF(s);
+            return v;
+        }
+        Py_DECREF(s);
+        /* Fall through, returning arg. */
+    }
     Py_INCREF(arg);
     return arg;
 }