How to make argparse accept "-4^2+5.3*abs(-2-1)/2" string argument?
Cameron Simpson
cs at cskk.id.au
Tue Jan 24 01:04:57 EST 2023
On 23Jan2023 17:58, Jach Feng <jfong at ms4.hinet.net> wrote:
>>>> parser.parse_args(['--', 'infix2postfix.py', '-4.3+5'])
>usage: [-h] infix
>: error: unrecognized arguments: -4.3+5
This error doesn't look like "-4.3+5 looks like an option" but instead
"we don't expect any arguments after "infix".
Not personally a fan of argparse myself, but then I have my own
elaborate command line framework which generally uses getopt for the
option stuff.
Cheers,
Cameron Simpson <cs at cskk.id.au>
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