[pull] main from python:main

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)

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()

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.

Modules/mmapmodule.c

@@ -963,7 +963,6 @@ mmap_mmap_resize_impl(mmap_object *self, Py_ssize_t new_size)
 
         if (error) {
             return PyErr_SetFromWindowsErr(error);
-            return NULL;
         }
         /* It's possible for a resize to fail, typically because another mapping
         is still held against the same underlying file. Even if nothing has