# HG changeset patch
# Parent  9cafb7baf993bc48dbbd4bb37426ef19ae92f3aa
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 9cafb7baf993 Lib/test/test_readline.py
--- a/Lib/test/test_readline.py	Sat Jun 18 08:32:19 2016 +0000
+++ b/Lib/test/test_readline.py	Sat Jun 18 09:26:26 2016 +0000
@@ -111,7 +111,7 @@
 
 class TestReadline(unittest.TestCase):
 
-    @unittest.skipIf(readline._READLINE_VERSION < 0x0600 and not is_editline,
+    @unittest.skipIf(readline._READLINE_VERSION < 0x0601 and not is_editline,
                      "not supported in this library version")
     def test_init(self):
         # Issue #19884: Ensure that the ANSI sequence "\033[1034h" is not
diff -r 9cafb7baf993 Misc/NEWS
--- a/Misc/NEWS	Sat Jun 18 08:32:19 2016 +0000
+++ b/Misc/NEWS	Sat Jun 18 09:26:26 2016 +0000
@@ -10,6 +10,8 @@
 Library
 -------
 
+- Issue #19884: Avoid spurious output on OS X with Gnu Readline.
+
 - Issue #26536: socket.ioctl now supports SIO_LOOPBACK_FAST_PATH. Patch by
   Daniel Stokes.
 
diff -r 9cafb7baf993 Modules/readline.c
--- a/Modules/readline.c	Sat Jun 18 08:32:19 2016 +0000
+++ b/Modules/readline.c	Sat Jun 18 09:26:26 2016 +0000
@@ -1146,19 +1146,22 @@
     mod_state->begidx = PyLong_FromLong(0L);
     mod_state->endidx = PyLong_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)
      *