From: Victor Stinner <vstinner@python.org>
Date: Wed, 18 Dec 2024 05:35:05 +0000 (+0100)
Subject: gh-127060: Disable traceback colors in IDLE (#128028)
X-Git-Tag: v3.14.0a4~254
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=559b0e7013f9cbf42a12fe9c86048d5cbb2f6f22;p=thirdparty%2FPython%2Fcpython.git

gh-127060: Disable traceback colors in IDLE (#128028)

Set TERM environment variable to "dumb" to disable traceback colors
in IDLE, since IDLE doesn't understand ANSI escape sequences.
---

diff --git a/Lib/idlelib/pyshell.py b/Lib/idlelib/pyshell.py
index e882c6cb3b8d..66fbbd4a97b7 100755
--- a/Lib/idlelib/pyshell.py
+++ b/Lib/idlelib/pyshell.py
@@ -424,7 +424,9 @@ class ModifiedInterpreter(InteractiveInterpreter):
     def spawn_subprocess(self):
         if self.subprocess_arglist is None:
             self.subprocess_arglist = self.build_subprocess_arglist()
-        self.rpcsubproc = subprocess.Popen(self.subprocess_arglist)
+        # gh-127060: Disable traceback colors
+        env = dict(os.environ, TERM='dumb')
+        self.rpcsubproc = subprocess.Popen(self.subprocess_arglist, env=env)
 
     def build_subprocess_arglist(self):
         assert (self.port!=0), (
diff --git a/Misc/NEWS.d/next/Library/2024-12-17-13-21-52.gh-issue-127060.mv2bX6.rst b/Misc/NEWS.d/next/Library/2024-12-17-13-21-52.gh-issue-127060.mv2bX6.rst
new file mode 100644
index 000000000000..1da89e7a2821
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2024-12-17-13-21-52.gh-issue-127060.mv2bX6.rst
@@ -0,0 +1,2 @@
+Set TERM environment variable to "dumb" to disable traceback colors in IDLE,
+since IDLE doesn't understand ANSI escape sequences. Patch by Victor Stinner.