This project allows getopt parsing followed by deparsing, e.g. for allowing abbreviations with click or to enforce parser simplicity.

def command(*_args, **_kwargs):
    return functools.partial(decorator, *_args, **_kwargs)

def decorator(old, /, *_args, **_kwargs):
    @functools.wraps(old)
    def new(args=None):
        args = process(args, *_args, **_kwargs)
        return old(args)

    return new

def process(args=None, shortopts="", longopts=[], allow_argv=True, gnu=True):
    ...
    # this function is the heart of getoptify
    # args are parsed using getopt and then converted back into a list of args
    # allow_argv allows to default to sys.argv[1:] if args is None
    # if gnu then getopt.gnu_getopt is used else getopt.getopt

@getoptify.command(shortopts="h", longopts=["foo", "bar="])
def example(args=None):
    ...
    # here internal parsing