argparse: delimiter for argparse list arguments

[Roel Schroeven]

Jon Ribbens via Python-list schreef op 3/08/2021 om 22:55:
> >> Loads of git commands do this. e.g. commit, diff, log, status, etc.
> >> It's not completely unlike what you're describing above, which is
> >> already supported automatically by argparse.
> >
> > Commands like git commit do not use '--' to separate two lists, but as 
> > Dan and Sven said to separate options from arguments,
>
> That is not quite correct. Check out 'git diff' for example - it takes
> as position arguments zero, one, or two commit hashes followed by zero
> or more pathnames.  You can use '--' to separate these two lists,
> because of course sometimes a pathname can be indistinguishable from
> a commit hash.
Ah yes, I stand corrected, git diff indeed uses -- to separate two lists 
(commits and paths).

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