[issue34744] New %(flag)s format specifier for argparse.add_argument help string

[paul j3]

paul j3 <ajipanca at gmail.com> added the comment:

The preferred way of adding new features to the Formatter is to subclass it, and modify one or more methods.  That's what the existing alternative formatters do.

A user can easily create such a subclass, and use it with their own parser, without having to modify the stock `argparse.py` file.

Given that flexibility, adding new features (as opposed to bug fixes) to the help formatter should have a low priority.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34744>
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