New submission from Florian Bruhin <python....@the-compiler.org>:
A minor issue I just discovered today: When e.g. doing "python3 --foo", the
output is:
unknown option --foo
unknown option --foo
unknown option --foo
usage: /usr/bin/python3 [option] ... [-c cmd | -m mod | file | -] [arg] ...
With more dashes in the options, it seems to get worse:
unknown option --foo-bar-baz
unknown option --foo-bar-baz
unknown option --foo-bar-baz
unknown option --foo-bar-baz
unknown option --foo-bar-baz
unknown option --foo-bar-baz
unknown option --foo-bar-baz
usage: /usr/bin/python3 [option] ... [-c cmd | -m mod | file | -] [arg] ...
This seems very similar to issue16306 (thus why I added people involved there
to the nosy list), except that it happens with long rather than short arguments.
This only happens with Python 3.8/3.9, not 3.7 or older. I was able to bisect
this to the following commit:
commit 6dcb54228e7520abd058897440c26e323f62afcd
Author: Victor Stinner <vstin...@redhat.com>
Date: Tue Mar 5 02:44:12 2019 +0100
bpo-36142: Add _PyPreConfig_ReadFromArgv() (GH-12173)
The new function is now responsible to parse -E and -I command line
arguments.
----------
components: Interpreter Core
messages: 368231
nosy: The Compiler, hieu.nguyen, serhiy.storchaka, tweksteen, vstinner
priority: normal
severity: normal
status: open
title: Multiple "unknown option" errors when passing unknown arguments to the
interpreter
type: behavior
versions: Python 3.8, Python 3.9
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue40527>
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