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Method __init__

Lib/argparse.py:988–1026  ·  view source on GitHub ↗
(self,
                 option_strings,
                 dest,
                 default=None,
                 required=False,
                 help=None,
                 deprecated=False)

Source from the content-addressed store, hash-verified

986
987class BooleanOptionalAction(Action):
988 def __init__(self,
989 option_strings,
990 dest,
991 default=None,
992 required=False,
993 help=None,
994 deprecated=False):
995
996 _option_strings = []
997 neg_option_strings = []
998 for option_string in option_strings:
999 _option_strings.append(option_string)
1000
1001 if len(option_string) > 2 and option_string[0] == option_string[1]:
1002 # two-dash long option: '--foo' -> '--no-foo'
1003 if option_string.startswith('no-', 2):
1004 raise ValueError(f'invalid option name {option_string!r} '
1005 f'for BooleanOptionalAction')
1006 option_string = option_string[:2] + 'no-' + option_string[2:]
1007 _option_strings.append(option_string)
1008 neg_option_strings.append(option_string)
1009 elif len(option_string) > 2 and option_string[0] != option_string[1]:
1010 # single-dash long option: '-foo' -> '-nofoo'
1011 if option_string.startswith('no', 1):
1012 raise ValueError(f'invalid option name {option_string!r} '
1013 f'for BooleanOptionalAction')
1014 option_string = option_string[:1] + 'no' + option_string[1:]
1015 _option_strings.append(option_string)
1016 neg_option_strings.append(option_string)
1017
1018 super().__init__(
1019 option_strings=_option_strings,
1020 dest=dest,
1021 nargs=0,
1022 default=default,
1023 required=required,
1024 help=help,
1025 deprecated=deprecated)
1026 self.neg_option_strings = neg_option_strings
1027
1028
1029 def __call__(self, parser, namespace, values, option_string=None):

Callers

nothing calls this directly

Calls 4

superClass · 0.85
appendMethod · 0.45
startswithMethod · 0.45
__init__Method · 0.45

Tested by

no test coverage detected