mvt/mvt/common/options.py

40 lines
1.4 KiB
Python

# Mobile Verification Toolkit (MVT)
# Copyright (c) 2021-2022 Claudio Guarnieri.
# Use of this software is governed by the MVT License 1.1 that can be found at
# https://license.mvt.re/1.1/
# From: https://gist.github.com/stanchan/bce1c2d030c76fe9223b5ff6ad0f03db
from click import Option, UsageError
class MutuallyExclusiveOption(Option):
"""This class extends click to support mutually exclusive options."""
def __init__(self, *args, **kwargs):
self.mutually_exclusive = set(kwargs.pop("mutually_exclusive", []))
help = kwargs.get("help", "")
if self.mutually_exclusive:
ex_str = ", ".join(self.mutually_exclusive)
kwargs["help"] = help + (
" NOTE: This argument is mutually exclusive with "
"arguments: [" + ex_str + "]."
)
super(MutuallyExclusiveOption, self).__init__(*args, **kwargs)
def handle_parse_result(self, ctx, opts, args):
if self.mutually_exclusive.intersection(opts) and self.name in opts:
raise UsageError(
"Illegal usage: `{}` is mutually exclusive with "
"arguments `{}`.".format(
self.name,
", ".join(self.mutually_exclusive)
)
)
return super(MutuallyExclusiveOption, self).handle_parse_result(
ctx,
opts,
args
)