this post was submitted on 06 Sep 2025
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Programming

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Stop writing CLI validation. Parse it right the first time. (hackers.pub)
submitted 6 months ago by hongminhee@lemmy.ml to c/programming@programming.dev
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[–] azertyfun@sh.itjust.works 3 points 6 months ago

https://docs.python.org/3/library/argparse.html#argparse.ArgumentParser.add_mutually_exclusive_group

However I've never had to use that feature. Like I said it can make sense in specific contexts but it is a pretty strong indicator that you have built in a CLI antipattern or too much complexity.