On Wed, Oct 9, 2019 at 11:01 PM Ryan Gonzalez firstname.lastname@example.org wrote:
I believe you want Python 3.7's parse_intermixed_args: https://docs.python.org/3/library/argparse.html#argparse.ArgumentParser.pars...
A quick test seems to work:
p = argparse.ArgumentParser() p.add_argument('files', nargs='*') p.add_argument('-f', '--force', action='store_true')
$ python3 rm.py x -f y Namespace(files=['x', 'y'], force=True) $
This is EXACTLY what I've been looking for. Looks like it was added in 2017 and release in 3.7. The box I use where I investigated this has 3.6 on it. Sigh, well at least I know it was a good idea! Thanks so much!
On Wed, Oct 9, 2019, 9:50 PM brent bejot email@example.com wrote:
Aspiring contributor here. I am not at all certain that this is the right place to discuss this. Do refer me to a better location if I'm out of place.
I would like to add a simple feature to the argparse library. I frequently find myself writing small utilities, stylistically similar to unix's "rm" whose main parameter(s) get bundled into a list and it doesn't matter if flags are sprinkled throughout.
e.g. "rm foo.txt -f bar.txt" removes both foo.txt and bar.txt forcefully.
Doing this in argparse currently is cumbersome at best (though I would be happy to be proved wrong on that), so I rarely implement it as a feature.
Of note, calling parser.add_argument with nargs="..." or nargs="A..." or nargs="*" gets close, but will not allow you to intermix other flags between your list.
I have a working modification of argparse.py that I could commit, but I know there's several steps between here and there - I just don't know what those steps are.
Any direction would be very much appreciated.
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