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| author | Brandt Bucher <brandtbucher@gmail.com> | 2019-11-11 12:47:48 -0800 |
|---|---|---|
| committer | Raymond Hettinger <rhettinger@users.noreply.github.com> | 2019-11-11 12:47:48 -0800 |
| commit | a0ed99bca8475cbc82e9202aa354faba2a4620f4 (patch) | |
| tree | 711f4057ace58c12f19608a0a428c64724a9b882 /Lib/argparse.py | |
| parent | 84ac4376587e35d16b4d0977c4f330d9d04b690a (diff) | |
| download | cpython-git-a0ed99bca8475cbc82e9202aa354faba2a4620f4.tar.gz | |
bpo-38438: Simplify argparse "star nargs" usage. (GH-17106)
Diffstat (limited to 'Lib/argparse.py')
| -rw-r--r-- | Lib/argparse.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Lib/argparse.py b/Lib/argparse.py index 13af7ac239..94e1b8ad0e 100644 --- a/Lib/argparse.py +++ b/Lib/argparse.py @@ -591,7 +591,11 @@ class HelpFormatter(object): elif action.nargs == OPTIONAL: result = '[%s]' % get_metavar(1) elif action.nargs == ZERO_OR_MORE: - result = '[%s [%s ...]]' % get_metavar(2) + metavar = get_metavar(1) + if len(metavar) == 2: + result = '[%s [%s ...]]' % metavar + else: + result = '[%s ...]' % metavar elif action.nargs == ONE_OR_MORE: result = '%s [%s ...]' % get_metavar(2) elif action.nargs == REMAINDER: |