changeset:   102924:55ec5fdc3099
branch:      2.7
parent:      102919:030e100f048a
user:        Martin Panter <vadmium+py@gmail.com>
date:        Sat Aug 27 02:54:43 2016 +0000
files:       Lib/test/test_readline.py Misc/NEWS Modules/readline.c
description:
Issue #19884: Avoid spurious output on OS X with Gnu Readline

Also adjust the test condition, because enable-meta-key was only added in
6.1, not 6.0.


diff -r 030e100f048a -r 55ec5fdc3099 Lib/test/test_readline.py
--- a/Lib/test/test_readline.py	Fri Aug 26 22:19:05 2016 +0300
+++ b/Lib/test/test_readline.py	Sat Aug 27 02:54:43 2016 +0000
@@ -44,7 +44,7 @@
 
 class TestReadline(unittest.TestCase):
 
-    @unittest.skipIf(readline._READLINE_VERSION < 0x0600
+    @unittest.skipIf(readline._READLINE_VERSION < 0x0601
                      and "libedit" not in readline.__doc__,
                      "not supported in this library version")
     def test_init(self):
diff -r 030e100f048a -r 55ec5fdc3099 Misc/NEWS
--- a/Misc/NEWS	Fri Aug 26 22:19:05 2016 +0300
+++ b/Misc/NEWS	Sat Aug 27 02:54:43 2016 +0000
@@ -33,6 +33,8 @@
 Library
 -------
 
+- Issue #19884: Avoid spurious output on OS X with Gnu Readline.
+
 - Issue #10513: Fix a regression in Connection.commit().  Statements should
   not be reset after a commit.
 
diff -r 030e100f048a -r 55ec5fdc3099 Modules/readline.c
--- a/Modules/readline.c	Fri Aug 26 22:19:05 2016 +0300
+++ b/Modules/readline.c	Sat Aug 27 02:54:43 2016 +0000
@@ -961,19 +961,22 @@
     begidx = PyInt_FromLong(0L);
     endidx = PyInt_FromLong(0L);
 
-#ifndef __APPLE__
-    if (!isatty(STDOUT_FILENO)) {
-        /* Issue #19884: stdout is not a terminal. Disable meta modifier
-           keys to not write the ANSI sequence "\033[1034h" into stdout. On
-           terminals supporting 8 bit characters like TERM=xterm-256color
-           (which is now the default Fedora since Fedora 18), the meta key is
-           used to enable support of 8 bit characters (ANSI sequence
-           "\033[1034h").
+#ifdef __APPLE__
+    if (!using_libedit_emulation)
+#endif
+    {
+        if (!isatty(STDOUT_FILENO)) {
+            /* Issue #19884: stdout is not a terminal. Disable meta modifier
+               keys to not write the ANSI sequence "\033[1034h" into stdout. On
+               terminals supporting 8 bit characters like TERM=xterm-256color
+               (which is now the default Fedora since Fedora 18), the meta key is
+               used to enable support of 8 bit characters (ANSI sequence
+               "\033[1034h").
 
-           With libedit, this call makes readline() crash. */
-        rl_variable_bind ("enable-meta-key", "off");
+               With libedit, this call makes readline() crash. */
+            rl_variable_bind ("enable-meta-key", "off");
+        }
     }
-#endif
 
     /* Initialize (allows .inputrc to override)
      *