On Tue, 24 Jan 2023 at 13:09, Jach Feng <jf...@ms4.hinet.net> wrote: > > Chris Angelico 在 2023年1月24日 星期二清晨5:00:27 [UTC+8] 的信中寫道： > > On Tue, 24 Jan 2023 at 07:47, Cameron Simpson <c...@cskk.id.au> wrote: > > > > > > But for Jach Feng: the "--" is really expected as something the user > > > does when they invoke your programme, _explicitly_ saying that what > > > follows from here is not an argument. So the user is expected to type: > > > > > > your_script -x -y -- "-4^2+5.3*abs(-2-1)/2" > > > > > > where there are -x and -y options, then end of options, then an > > > argument, which would look like an option if there wasn't the "--" > > > argument. > > And if you DON'T expect the user to enter the "--", then why use > > argparse? You can just check argv directly to get your arguments. > > > > This entire thread is a massive "how can I use X to do Y?" problem. > > > > ChrisA > The '--' requirement makes its usage less instinctive, and handling argv > directly makes me loss the benefit of using '-h':-)
if "-h" in sys.argv: usage() else: do_stuff_with(sys.argv[1:]) What is argparse really doing for you? ChrisA -- https://mail.python.org/mailman/listinfo/python-list
