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[3.14] gh-134953: Make the True/False/None check more efficient (GH-138931) (#138939)

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Miss Islington (bot) 2025-09-29 22:11:41 +02:00 • committed by GitHub
parent af694375ea
commit 4372a05ab0
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1 changed files with 5 additions and 4 deletions
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9
Lib/_pyrepl/utils.py
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@ -20,6 +20,7 @@
ZERO_WIDTH_BRACKET = re.compile(r"\x01.*?\x02")
ZERO_WIDTH_TRANS = str.maketrans({"\x01": "", "\x02": ""})
IDENTIFIERS_AFTER = {"def", "class"}
KEYWORD_CONSTANTS = {"True", "False", "None"}
BUILTINS = {str(name) for name in dir(builtins) if not name.startswith('_')}
@ -196,12 +197,12 @@ 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_cls = "keyword"
if token.string in KEYWORD_CONSTANTS:
span_cls = "keyword_constant"
span = Span.from_token(token, line_lengths)
yield ColorSpan(span, "keyword")
yield ColorSpan(span, span_cls)
if token.string in IDENTIFIERS_AFTER:
is_def_name = True
elif (