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""" Misc utils
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Hacked together by / Copyright 2020 Ross Wightman
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"""
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import argparse
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import ast
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import re
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def natural_key(string_):
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"""See http://www.codinghorror.com/blog/archives/001018.html"""
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return [int(s) if s.isdigit() else s for s in re.split(r'(\d+)', string_.lower())]
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def add_bool_arg(parser, name, default=False, help=''):
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dest_name = name.replace('-', '_')
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group = parser.add_mutually_exclusive_group(required=False)
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group.add_argument('--' + name, dest=dest_name, action='store_true', help=help)
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group.add_argument('--no-' + name, dest=dest_name, action='store_false', help=help)
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parser.set_defaults(**{dest_name: default})
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class ParseKwargs(argparse.Action):
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def __call__(self, parser, namespace, values, option_string=None):
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kw = {}
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for value in values:
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key, value = value.split('=')
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try:
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kw[key] = ast.literal_eval(value)
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except ValueError:
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kw[key] = str(value) # fallback to string (avoid need to escape on command line)
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setattr(namespace, self.dest, kw)
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