gh-128330: Terminal control characters should be restored on repl exit (#128331)

diff --git a/Lib/_pyrepl/fancy_termios.py b/Lib/_pyrepl/fancy_termios.py
index 5b85cb0f52521f52d1f35ca5bb4b06f7bdcc7933..0468b9a267026737b2fdf9597b351ea8d89b0c9e 100644 (file)
--- a/Lib/_pyrepl/fancy_termios.py
+++ b/Lib/_pyrepl/fancy_termios.py
@@ -40,7 +40,9 @@ class TermState:
             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
new file mode 100644 (file)
index 0000000..8fe628d
--- /dev/null
+++ 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.