Close #13119: use "\r\n" newline for sys.stdout/err on Windows
sys.stdout and sys.stderr are now using "\r\n" newline on Windows, as Python 2.
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index cafc09a..05dfb8e 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -971,12 +971,15 @@
Py_CLEAR(raw);
Py_CLEAR(text);
- newline = "\n";
#ifdef MS_WINDOWS
- if (!write_mode) {
- /* translate \r\n to \n for sys.stdin on Windows */
- newline = NULL;
- }
+ /* sys.stdin: enable universal newline mode, translate "\r\n" and "\r"
+ newlines to "\n".
+ sys.stdout and sys.stderr: translate "\n" to "\r\n". */
+ newline = NULL;
+#else
+ /* sys.stdin: split lines at "\n".
+ sys.stdout and sys.stderr: don't translate newlines (use "\n"). */
+ newline = "\n";
#endif
stream = _PyObject_CallMethodId(io, &PyId_TextIOWrapper, "OsssO",