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| author | Savannah Ostrowski <savannahostrowski@gmail.com> | 2024-11-23 03:18:18 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-11-23 03:18:18 (GMT) |
| commit | a13e94d84bff334da3da2cab523ba75b57e0787f (patch) | |
| tree | d39c0033a043324003b7617577e4e680296ef8dc /Doc | |
| parent | 39e60aeb3837f1f23d8b7f30d3b8d9faf805ef88 (diff) | |
| download | cpython-a13e94d84bff334da3da2cab523ba75b57e0787f.zip cpython-a13e94d84bff334da3da2cab523ba75b57e0787f.tar.gz cpython-a13e94d84bff334da3da2cab523ba75b57e0787f.tar.bz2 | |
GH-127134: Add note about forward compatibility for suggest_on_error (#127137)
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/argparse.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst index e574511..410b6e1 100644 --- a/Doc/library/argparse.rst +++ b/Doc/library/argparse.rst @@ -589,6 +589,14 @@ are strings:: >>> parser.parse_args(['--action', 'sumn', 1, 2, 3]) tester.py: error: argument --action: invalid choice: 'sumn', maybe you meant 'sum'? (choose from 'sum', 'max') +If you're writing code that needs to be compatible with older Python versions +and want to opportunistically use ``suggest_on_error`` when it's available, you +can set it as an attribute after initializing the parser instead of using the +keyword argument:: + + >>> parser = argparse.ArgumentParser(description='Process some integers.') + >>> parser.suggest_on_error = True + .. versionadded:: 3.14 |