From 98974e22e2f0c98737c1a0d940058d1fe298e178 Mon Sep 17 00:00:00 2001
From: Aarni Koskela <akx@iki.fi>
Date: Mon, 27 Oct 2025 12:11:38 +0200
Subject: [PATCH] Improve `uuid.__str__()` performance a little more

---
 Lib/uuid.py                                                     | 2 +-
 .../next/Library/2025-10-27-12-16-34.gh-issue-131196.nLpXzf.rst | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 Misc/NEWS.d/next/Library/2025-10-27-12-16-34.gh-issue-131196.nLpXzf.rst

diff --git a/Lib/uuid.py b/Lib/uuid.py
index c0150a59d7cb9a..975a6438a12092 100644
--- a/Lib/uuid.py
+++ b/Lib/uuid.py
@@ -329,7 +329,7 @@ def __setattr__(self, name, value):
         raise TypeError('UUID objects are immutable')
 
     def __str__(self):
-        x = self.hex
+        x = self.int.to_bytes(16).hex()
         return f'{x[:8]}-{x[8:12]}-{x[12:16]}-{x[16:20]}-{x[20:]}'
 
     @property
diff --git a/Misc/NEWS.d/next/Library/2025-10-27-12-16-34.gh-issue-131196.nLpXzf.rst b/Misc/NEWS.d/next/Library/2025-10-27-12-16-34.gh-issue-131196.nLpXzf.rst
new file mode 100644
index 00000000000000..727237608cac31
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-10-27-12-16-34.gh-issue-131196.nLpXzf.rst
@@ -0,0 +1 @@
+Improve performance of :meth:`uuid.UUID.__str__ <object.__str__>`.