From d515f7d5b9f65e1fa74f5b89f5050e1ea6c10cc2 Mon Sep 17 00:00:00 2001
From: johnslavik <bartosz@ilikepython.com>
Date: Sun, 21 Dec 2025 17:41:19 +0100
Subject: [PATCH 1/3] Add failing test

---
 Lib/test/test_repl.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Lib/test/test_repl.py b/Lib/test/test_repl.py
index 042aa84b35dcf8..0fa1df40e44c5f 100644
--- a/Lib/test/test_repl.py
+++ b/Lib/test/test_repl.py
@@ -409,6 +409,12 @@ def test_toplevel_contextvars_async(self):
         expected = "toplevel contextvar test: ok"
         self.assertIn(expected, output, expected)
 
+    def test_quiet_mode(self):
+        p = spawn_repl("-q", "-m", "asyncio", custom=True)
+        output = kill_python(p)
+        self.assertEqual(p.returncode, 0)
+        self.assertEqual(output[:3], ">>>")
+
 
 if __name__ == "__main__":
     unittest.main()

From 84c46dbff4b2ac7c6a5e4d512e446d527049ce6f Mon Sep 17 00:00:00 2001
From: johnslavik <bartosz@ilikepython.com>
Date: Sun, 21 Dec 2025 17:43:10 +0100
Subject: [PATCH 2/3] Check `sys.flags.quiet` prior to creating and showing
 banner

---
 Lib/asyncio/__main__.py | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/Lib/asyncio/__main__.py b/Lib/asyncio/__main__.py
index 89d456b6858c07..afbb70bbcab930 100644
--- a/Lib/asyncio/__main__.py
+++ b/Lib/asyncio/__main__.py
@@ -86,14 +86,15 @@ def run(self):
         global return_code
 
         try:
-            banner = (
-                f'asyncio REPL {sys.version} on {sys.platform}\n'
-                f'Use "await" directly instead of "asyncio.run()".\n'
-                f'Type "help", "copyright", "credits" or "license" '
-                f'for more information.\n'
-            )
-
-            console.write(banner)
+            if not sys.flags.quiet:
+                banner = (
+                    f'asyncio REPL {sys.version} on {sys.platform}\n'
+                    f'Use "await" directly instead of "asyncio.run()".\n'
+                    f'Type "help", "copyright", "credits" or "license" '
+                    f'for more information.\n'
+                )
+
+                console.write(banner)
 
             if startup_path := os.getenv("PYTHONSTARTUP"):
                 sys.audit("cpython.run_startup", startup_path)

From 9de72302b849398482a2bf2e2891b5a81c49b7a9 Mon Sep 17 00:00:00 2001
From: johnslavik <bartosz@ilikepython.com>
Date: Sun, 21 Dec 2025 17:44:34 +0100
Subject: [PATCH 3/3] Add news entry

---
 .../next/Library/2025-12-21-17-44-28.gh-issue-143046.GBa5Ip.rst | 2 ++
 1 file changed, 2 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Library/2025-12-21-17-44-28.gh-issue-143046.GBa5Ip.rst

diff --git a/Misc/NEWS.d/next/Library/2025-12-21-17-44-28.gh-issue-143046.GBa5Ip.rst b/Misc/NEWS.d/next/Library/2025-12-21-17-44-28.gh-issue-143046.GBa5Ip.rst
new file mode 100644
index 00000000000000..ac819a47f4cde9
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-12-21-17-44-28.gh-issue-143046.GBa5Ip.rst
@@ -0,0 +1,2 @@
+The :mod:`asyncio` REPL no longer prints copyright and version messages in
+the quiet mode (:option:`-q`). Patch by Bartosz Sławecki.