8000 GH-108009: Add clarification of parser and argument defaults in argparse docs by savannahostrowski · Pull Request #124154 · python/cpython · GitHub
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GH-108009: Add clarification of parser and argument defaults in argparse docs #124154

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GH-108009: Add clarification of parser and argument defaults in argparse docs #124154

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8c47ebf
Add additional clarification on defaults
savannahostrowski Sep 17, 2024
8bf04ed
update to use argument
savannahostrowski Sep 17, 2024
2232b8d
appease linter
savannahostrowski Sep 17, 2024
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Merge branch 'main' into gh-108009
savannahostrowski Sep 17, 2024
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add :
savannahostrowski Sep 17, 2024
a52fd96
Update Doc/library/argparse.rst
savannahostrowski Sep 20, 2024
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Merge branch 'main' into gh-108009
savannahostrowski Sep 23, 2024
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Merge branch 'main' into gh-108009
savannahostrowski Sep 24, 2024
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Merge branch 'main' into gh-108009
savannahostrowski May 30, 2025
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5 changes: 4 additions & 1 deletion Doc/library/argparse.rst
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Expand Up @@ -2123,7 +2123,10 @@ Parser defaults
>>> parser.parse_args(['736'])
Namespace(bar=42, baz='badger', foo=736)

Note that parser-level defaults always override argument-level defaults::
Note that defaults can be set at both the parser level using :meth:`set_defaults`
and at the argument level using :meth:`add_argument`. If both are provided for the
same argument, the order of setting these defaults determines which one takes
precedence. The last default set for an argument is the one that is used::

>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', default='bar')
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