#1688: On Windows, the input() prompt was not correctly displayed if it
contains non-ascii characters.

Reviewed by Benjamin Peterson.
diff --git a/Misc/NEWS b/Misc/NEWS
index f4b302a..c08c8a7 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Core and Builtins
 -----------------
 
+- Issue #1688: On Windows, the input() prompt was not correctly displayed if it
+  contains non-ascii characters.
+
 Library
 -------
 
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 7c08765..0b96dc1 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -1597,12 +1597,29 @@
 		else
 			Py_DECREF(tmp);
 		if (promptarg != NULL) {
-			po = PyObject_Str(promptarg);
+			PyObject *stringpo;
+			PyObject *stdout_encoding;
+			stdout_encoding = PyObject_GetAttrString(fout,
+								 "encoding");
+			if (stdout_encoding == NULL) {
+				Py_DECREF(stdin_encoding);
+				return NULL;
+			}
+			stringpo = PyObject_Str(promptarg);
+			if (stringpo == NULL) {
+				Py_DECREF(stdin_encoding);
+				Py_DECREF(stdout_encoding);
+				return NULL;
+			}
+			po = PyUnicode_AsEncodedString(stringpo,
+				_PyUnicode_AsString(stdout_encoding), NULL);
+			Py_DECREF(stdout_encoding);
+			Py_DECREF(stringpo);
 			if (po == NULL) {
 				Py_DECREF(stdin_encoding);
 				return NULL;
 			}
-			prompt = _PyUnicode_AsString(po);
+			prompt = PyBytes_AsString(po);
 			if (prompt == NULL) {
 				Py_DECREF(stdin_encoding);
 				Py_DECREF(po);