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| author | Serhiy Storchaka <storchaka@gmail.com> | 2024-11-11 16:28:30 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-11-11 16:28:30 (GMT) |
| commit | 79805d228440814c0674ab5190ef17f235503d2e (patch) | |
| tree | 8cb9b29278e2638af831f543b6ccbe98fbd43362 /Lib/argparse.py | |
| parent | 819830f34a11ecaa3aada174ca8eedeb3f260630 (diff) | |
| download | cpython-79805d228440814c0674ab5190ef17f235503d2e.zip cpython-79805d228440814c0674ab5190ef17f235503d2e.tar.gz cpython-79805d228440814c0674ab5190ef17f235503d2e.tar.bz2 | |
gh-117941: Reject option names starting with "--no-" in argparse.BooleanOptionalAction (GH-125894)
They never worked correctly.
Diffstat (limited to 'Lib/argparse.py')
| -rw-r--r-- | Lib/argparse.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/argparse.py b/Lib/argparse.py index 072cd5e..5ecfdca 100644 --- a/Lib/argparse.py +++ b/Lib/argparse.py @@ -863,6 +863,9 @@ class BooleanOptionalAction(Action): _option_strings.append(option_string) if option_string.startswith('--'): + if option_string.startswith('--no-'): + raise ValueError(f'invalid option name {option_string!r} ' + f'for BooleanOptionalAction') option_string = '--no-' + option_string[2:] _option_strings.append(option_string) |