From e7bb732d8b06524722e5a1b0f7ea4e8e03ecdae8 Mon Sep 17 00:00:00 2001 From: "Miss Islington (bot)" <31488909+miss-islington@users.noreply.github.com> Date: Sat, 13 Dec 2025 11:58:43 +0100 Subject: [PATCH] [3.13] gh-142353: Isolate tests from personal GNU Readline init files (GH-142370) (#142635) MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit gh-142353: Isolate tests from personal GNU Readline init files (GH-142370) Isolate tests from personal Readline init files using `INPUTRC=/dev/null` trick. (cherry picked from commit f564654bae79c69e3de40dadbec2399f1423ffcf) Co-authored-by: Bartosz Sławecki Co-authored-by: Victor Stinner --- Lib/test/support/pty_helper.py | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Lib/test/support/pty_helper.py b/Lib/test/support/pty_helper.py index 6587fd40333c..dbe7fa429096 100644 --- a/Lib/test/support/pty_helper.py +++ b/Lib/test/support/pty_helper.py @@ -15,6 +15,14 @@ def run_pty(script, input=b"dummy input\r", env=None): output = bytearray() [master, slave] = pty.openpty() args = (sys.executable, '-c', script) + + # Isolate readline from personal init files by setting INPUTRC + # to an empty file. See also GH-142353. + if env is None: + env = {**os.environ.copy(), "INPUTRC": os.devnull} + else: + env.setdefault("INPUTRC", os.devnull) + proc = subprocess.Popen(args, stdin=slave, stdout=slave, stderr=slave, env=env) os.close(slave) with ExitStack() as cleanup: -- 2.47.3