From a0ed99bca8475cbc82e9202aa354faba2a4620f4 Mon Sep 17 00:00:00 2001 From: Brandt Bucher Date: Mon, 11 Nov 2019 12:47:48 -0800 Subject: bpo-38438: Simplify argparse "star nargs" usage. (GH-17106) --- Lib/argparse.py | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'Lib/argparse.py') 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: -- cgit v1.2.1