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GH-142950: Process format specifiers before colourization in argparse help #142960

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Merged
savannahostrowski merged 8 commits into from
Jan 7, 2026
Merged

GH-142950: Process format specifiers before colourization in argparse help #142960

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b3deacc
Format before colourization
savannahostrowski Dec 18, 2025
987af8b
Clean up
savannahostrowski Dec 18, 2025
2e73cd5
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savannahostrowski Dec 18, 2025
8fc4cd2
📜🤖 Added by blurb_it.
blurb-it[bot] Dec 18, 2025
62ceb27
Lint
savannahostrowski Dec 18, 2025
e599afa
Address additional cases
savannahostrowski Jan 4, 2026
95919d9
Merge branch 'main' into argparse-format-specifier
savannahostrowski Jan 4, 2026
4d13744
Merge branch 'main' into argparse-format-specifier
savannahostrowski Jan 7, 2026
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@savannahostrowski
savannahostrowski committed Dec 18, 2025
commit 2e73cd542d7bee51713b3e7d6f0502070d8e18ed
2 changes: 1 addition & 1 deletion Lib/argparse.py
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Expand Up @@ -704,7 +704,7 @@ def colorize(match):
return f'{t.interpolated_value}{formatted}{t.reset}'
return spec

# Match %% (literal %) or %(name)... format specifiers
# Match %% or %(name)... format specifiers
result = _re.sub(r'%%|%\((\w+)\)[^a-z]*[a-z]', colorize,
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help_string, flags=_re.IGNORECASE)

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