From 31234a7e02e3060ccc40508e5426bd2fbb6b45ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartosz=20S=C5=82awecki?= <bartosz@ilikepython.com>
Date: Sun, 14 Jun 2026 18:06:30 +0200
Subject: [PATCH] [3.15] gh-151390: Colorize `match +` and `match -` in the
 REPL (GH-151391) (cherry picked from commit
 a7007322c2a70b01e7c2a9e6b3f8f222d241c7d7)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-authored-by: Bartosz Sławecki <bartosz@ilikepython.com>
---
 Lib/_pyrepl/utils.py                             |  2 +-
 Lib/test/test_pyrepl/test_utils.py               | 16 ++++++++++++++++
 ...6-06-12-07-20-08.gh-issue-151390.CmYN9EeJ.rst |  1 +
 3 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 Misc/NEWS.d/next/Library/2026-06-12-07-20-08.gh-issue-151390.CmYN9EeJ.rst

diff --git a/Lib/_pyrepl/utils.py b/Lib/_pyrepl/utils.py
index b50426c31ead53a..4d1f936b4224ad5 100644
--- a/Lib/_pyrepl/utils.py
+++ b/Lib/_pyrepl/utils.py
@@ -259,7 +259,7 @@ def is_soft_keyword_used(*tokens: TI | None) -> bool:
             None | TI(T.NEWLINE) | TI(T.INDENT) | TI(string=":"),
             TI(string="match"),
             TI(T.NUMBER | T.STRING | T.FSTRING_START | T.TSTRING_START)
-            | TI(T.OP, string="(" | "*" | "[" | "{" | "~" | "...")
+            | TI(T.OP, string="(" | "*" | "-" | "+" | "[" | "{" | "~" | "...")
         ):
             return True
         case (
diff --git a/Lib/test/test_pyrepl/test_utils.py b/Lib/test/test_pyrepl/test_utils.py
index 3c55b6bdaeee9e8..e8157f164b3063a 100644
--- a/Lib/test/test_pyrepl/test_utils.py
+++ b/Lib/test/test_pyrepl/test_utils.py
@@ -125,6 +125,22 @@ def test_gen_colors_keyword_highlighting(self):
                     ("import", "keyword"),
                 ],
             ),
+            (
+                "match +1",
+                [
+                    ("match", "soft_keyword"),
+                    ("+", "op"),
+                    ("1", "number"),
+                ],
+            ),
+            (
+                "match -1",
+                [
+                    ("match", "soft_keyword"),
+                    ("-", "op"),
+                    ("1", "number"),
+                ],
+            ),
         ]
         for code, expected_highlights in cases:
             with self.subTest(code=code):
diff --git a/Misc/NEWS.d/next/Library/2026-06-12-07-20-08.gh-issue-151390.CmYN9EeJ.rst b/Misc/NEWS.d/next/Library/2026-06-12-07-20-08.gh-issue-151390.CmYN9EeJ.rst
new file mode 100644
index 000000000000000..ff8de30599c6ad5
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2026-06-12-07-20-08.gh-issue-151390.CmYN9EeJ.rst
@@ -0,0 +1 @@
+Colorize ``match`` in the :term:`REPL` when followed by a unary ``+`` or ``-`` operator. Patch by Bartosz Sławecki.