From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Sat, 6 Jun 2026 13:13:52 +0000 (+0200)
Subject: [3.15] gh-149083: Use sentinel for urllib.parse._UNSPECIFIED (GH-149612) (#151017)
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=9352936b4ec21a0237df09a8e416dca2401d7921;p=thirdparty%2FPython%2Fcpython.git

[3.15] gh-149083: Use sentinel for urllib.parse._UNSPECIFIED (GH-149612) (#151017)



This was added in 3.15; let's use a real sentinel instead of an ad-hoc list object.
(cherry picked from commit 884ac3e3ec02347301939ff1f124972d4973f015)

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
---

diff --git a/Lib/urllib/parse.py b/Lib/urllib/parse.py
index d64f678d235b..82b95adbdc28 100644
--- a/Lib/urllib/parse.py
+++ b/Lib/urllib/parse.py
@@ -277,7 +277,7 @@ class _NetlocResultMixinBytes(_NetlocResultMixinBase, _ResultMixinBytes):
         return hostname, port
 
 
-_UNSPECIFIED = ['not specified']
+_UNSPECIFIED = sentinel("_UNSPECIFIED", repr="<not specified>")
 _MISSING_AS_NONE_DEFAULT = False
 
 class _ResultBase: