From a007a2edae830142a495f69c58d6728609764d53 Mon Sep 17 00:00:00 2001
From: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Date: Mon, 15 Sep 2025 15:36:17 +0100
Subject: [PATCH] gh-134953: Expand theming for `True`/`False`/`None`
 (GH-135000) (cherry picked from commit
 a5b9d0b8b273eaf7cfee8bb5770449b2e4395993)
MIME-Version: 1.0
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Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
---
 Lib/_colorize.py                                               | 1 +
 Lib/_pyrepl/utils.py                                           | 3 +++
 .../Library/2025-06-01-11-14-00.gh-issue-134953.ashdfs.rst     | 2 ++
 3 files changed, 6 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Library/2025-06-01-11-14-00.gh-issue-134953.ashdfs.rst

diff --git a/Lib/_colorize.py b/Lib/_colorize.py
index 4a310a402358b6..7c09bb4564c2e0 100644
--- a/Lib/_colorize.py
+++ b/Lib/_colorize.py
@@ -176,6 +176,7 @@ class Argparse(ThemeSection):
 class Syntax(ThemeSection):
     prompt: str = ANSIColors.BOLD_MAGENTA
     keyword: str = ANSIColors.BOLD_BLUE
+    keyword_constant: str = ANSIColors.BOLD_BLUE
     builtin: str = ANSIColors.CYAN
     comment: str = ANSIColors.RED
     string: str = ANSIColors.GREEN
diff --git a/Lib/_pyrepl/utils.py b/Lib/_pyrepl/utils.py
index c5d006afa7731f..d32fce591fadcc 100644
--- a/Lib/_pyrepl/utils.py
+++ b/Lib/_pyrepl/utils.py
@@ -196,6 +196,9 @@ def gen_colors_from_token_stream(
                     is_def_name = False
                     span = Span.from_token(token, line_lengths)
                     yield ColorSpan(span, "definition")
+                elif token.string in ("True", "False", "None"):
+                    span = Span.from_token(token, line_lengths)
+                    yield ColorSpan(span, "keyword_constant")
                 elif keyword.iskeyword(token.string):
                     span = Span.from_token(token, line_lengths)
                     yield ColorSpan(span, "keyword")
diff --git a/Misc/NEWS.d/next/Library/2025-06-01-11-14-00.gh-issue-134953.ashdfs.rst b/Misc/NEWS.d/next/Library/2025-06-01-11-14-00.gh-issue-134953.ashdfs.rst
new file mode 100644
index 00000000000000..c2f112dc62cea8
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-06-01-11-14-00.gh-issue-134953.ashdfs.rst
@@ -0,0 +1,2 @@
+Expand ``_colorize`` theme with ``keyword_constant`` and implement in
+:term:`repl`.