PyArg_Parse*("U"): ensure that the Unicode string is ready

vstinner · vstinner · commit a1b0c9fc4d68 · 2012-05-29T12:30:29.000+02:00
diff --git a/Python/getargs.c b/Python/getargs.c
@@ -1167,8 +1167,11 @@ convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
 
     case 'U': { /* PyUnicode object */
         PyObject **p = va_arg(*p_va, PyObject **);
-        if (PyUnicode_Check(arg))
+        if (PyUnicode_Check(arg)) {
+            if (PyUnicode_READY(arg) == -1)
+                RETURN_ERR_OCCURRED;
             *p = arg;
+        }
         else
             return converterr("str", arg, msgbuf, bufsize);
         break;
