gh-134953: Expand theming for True/False/None (GH-135000)

(cherry picked from commit a5b9d0b)

Co-authored-by: Stan Ulbrych <[email protected]>
Co-authored-by: Łukasz Langa <[email protected]>

Author: 2 people

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

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")

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`.