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