A new feature request - parser add_mutually_exclusive_group - add a default value

[אורי]

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-***@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
***@speedy.net

[Paul Rubin]

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.

[Stefan Ram]

Post by אורי
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!

Post by אורי
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!

[Barry Scott]

Post by אורי
I tried to subscribe to Python-ideas

These days ideas are discussed on https://discuss.python.org/
It is rare to see an idea on the mailing list.

Barry

[אורי]

Thank you.

Uri.
אורי

Post by אורי
I tried to subscribe to Python-ideas
These days ideas are discussed on https://discuss.python.org/
It is rare to see an idea on the mailing list.
Barry