[3.13] gh-128330: Terminal control characters should be restored on repl exit (GH-128331) (#129233)

miss-islington · citrus-it · web-flow · commit 52ccf264dfc2 · 2025-01-23T17:55:28.000Z
gh-128330: Terminal control characters should be restored on repl exit (GH-128331) (cherry picked from commit 0b15d9c) Co-authored-by: Andy Fiddaman <andy@omnios.org>
diff --git a/Lib/_pyrepl/fancy_termios.py b/Lib/_pyrepl/fancy_termios.py
@@ -40,7 +40,9 @@ def as_list(self):
             self.lflag,
             self.ispeed,
             self.ospeed,
-            self.cc,
+            # Always return a copy of the control characters list to ensure
+            # there are not any additional references to self.cc
+            self.cc[:],
         ]
 
     def copy(self):
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2024-12-29-15-09-21.gh-issue-128330.IaYL7G.rst b/Misc/NEWS.d/next/Core_and_Builtins/2024-12-29-15-09-21.gh-issue-128330.IaYL7G.rst
@@ -0,0 +1 @@
+Restore terminal control characters on REPL exit.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Restore terminal control characters on REPL exit.`