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comp / comp.lang.python / Re: A new feature request - parser add_mutually_exclusive_group - add a default value

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* A new feature request - parser add_mutually_exclusive_group - add a default valuאורי
+- Re: A new feature request - parser add_mutually_exclusive_group - add a default Paul Rubin
`- Re: A new feature request - parser add_mutually_exclusive_group - add a default Stefan Ram

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Subject: A new feature request - parser add_mutually_exclusive_group - add a default value
From: אורי
Newsgroups: comp.lang.python
Date: Tue, 9 Jul 2024 05:13 UTC
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From: uri@speedy.net (אורי)
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Subject: A new feature request - parser add_mutually_exclusive_group - add a
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Hi,

Please look at this Stack Overflow post:
https://stackoverflow.com/questions/78722378/parser-add-mutually-exclusive-group-how-can-i-set-a-default-value

1. Is there a way to add a default to parser add_mutually_exclusive_group
groups - a value that will be set by default? In this case I
want test-default-languages=True to be set as a default.

2. I tried to subscribe to Python-ideas python-ideas@python.org, but I
can't login to
https://mail.python.org/mailman3/lists/python-ideas.python.org/. Although I
did login to https://mail.python.org/mailman/options/python-list . Do I
have to create a new account?

Thanks,
Uri.
אורי
uri@speedy.net

Subject: Re: A new feature request - parser add_mutually_exclusive_group - add a default value
From: Paul Rubin
Newsgroups: comp.lang.python
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Date: Tue, 9 Jul 2024 06:04 UTC
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Newsgroups: comp.lang.python
Subject: Re: A new feature request - parser add_mutually_exclusive_group - add a default value
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I looked at the linked SO post and it seems to be a feature suggestion
for the argparse library. Python's bug tracker is currently at:

https://github.com/python/cpython/issues

You might want to open an issue there with a concrete proposal.

Subject: Re: A new feature request - parser add_mutually_exclusive_group - add a default value
From: Stefan Ram
Newsgroups: comp.lang.python
Organization: Stefan Ram
Date: Tue, 9 Jul 2024 06:12 UTC
References: 1
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From: ram@zedat.fu-berlin.de (Stefan Ram)
Newsgroups: comp.lang.python
Subject: Re: A new feature request - parser add_mutually_exclusive_group - add a default value
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=?UTF-8?B?15DXldeo15k=?= <uri@speedy.net> wrote or quoted:
>1. Is there a way to add a default to parser add_mutually_exclusive_group
>groups - a value that will be set by default? In this case I
>want test-default-languages=True to be set as a default.

I am not aware of such a possibility. But you could write a function
to parse the arguments using argparse, then inspect the parsed_args,
and modify them to reflect your default if no other argument was
detected. However, I have no experience with using argparse at all,
so it is well possible that someone who is proficient in argparse
might actually know how to set a default value there!

>2. I tried to subscribe to Python-ideas python-ideas@python.org, but I
>can't login to

It might be necessary to once create an account for the new
Mailman3 system. As I have no experience with mailing lists
whatsoever, this is just a wild guess!

1

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