New submission from Yauhen <actionless.lovel...@gmail.com>:
steps to reproduce:
import argparse
import sys
parser = argparse.ArgumentParser(prog=sys.argv[0], add_help=False)
parser.add_argument('-a', action='store_true')
parsed_args, unknown_args = parser.parse_known_args(sys.argv[1:])
print(parsed_args)
print(unknown_args)
Expected result:
$ python arparse_test.py -ab
Namespace(a=True)
['b']
Actual result:
$ python arparse_test.py -ab
usage: arparse_test.py [-a]
arparse_test.py: error: argument -a: ignored explicit argument 'b'
----------
components: Library (Lib)
messages: 311546
nosy: actionless
priority: normal
pull_requests: 5345
severity: normal
status: open
title: argparse: parse_known_args: raising exception on unknown arg following
known one
versions: Python 3.6
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue32756>
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