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gh-85427: Prevent exits if ArgumentParser.exit_on_error is False #30832

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jacobtylerwalls wants to merge 8 commits into from
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gh-85427: Prevent exits if ArgumentParser.exit_on_error is False #30832

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a2a1462
bpo-46440: Prevent all exits if `ArgumentParser.exit_on_error` is False
jacobtylerwalls Jan 23, 2022
0fc30d3
Make all error paths raise ArgumentError
jacobtylerwalls Jan 24, 2022
f3e173c
Extend solution
jacobtylerwalls Jan 29, 2022
10c748a
Guard according to `exit_on_error`
jacobtylerwalls Jan 29, 2022
7b83cf6
Additional regression tests
jacobtylerwalls Jan 29, 2022
742bede
Merge branch 'main' into argparse-exit-on-error
jacobtylerwalls Jun 7, 2022
e41aa7c
Merge branch 'main' into argparse-exit-on-error
jacobtylerwalls Apr 15, 2023
7e16f62
Extend solution to parse_intermixed_args()
jacobtylerwalls Apr 15, 2023
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Guard according to exit_on_error
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@jacobtylerwalls
jacobtylerwalls committed Jan 29, 2022
commit 10c748af3e1c56b5d5cb2d1d1aa886238cd18360
10 changes: 6 additions & 4 deletions Lib/argparse.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1844,10 +1844,12 @@ def parse_args(self, args=None, namespace=None):
args, argv = self.parse_known_args(args, namespace)
if argv:
msg = _('unrecognized arguments: %s')
raise ArgumentError(
None,
msg % ' '.join(argv)
)
if not self.exit_on_error:
raise ArgumentError(
None,
msg % ' '.join(argv)
)
self.error(msg % ' '.join(argv))
return args

def parse_known_args(self, args=None, namespace=None):
Expand Down