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29 lines
978 B
Python
29 lines
978 B
Python
import argparse
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class HiddenAliasSubparsersAction(argparse._SubParsersAction):
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def add_parser(self, name, **kwargs):
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# set prog from the existing prefix
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if kwargs.get('prog') is None:
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kwargs['prog'] = f'{self._prog_prefix} {name}'
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aliases = kwargs.pop('aliases', ())
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hide_aliases = kwargs.pop('hide_aliases', False)
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# create a pseudo-action to hold the choice help
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if 'help' in kwargs:
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help = kwargs.pop('help')
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_aliases = None if hide_aliases else aliases
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choice_action = self._ChoicesPseudoAction(name, _aliases, help)
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self._choices_actions.append(choice_action)
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# create the parser and add it to the map
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parser = self._parser_class(**kwargs)
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self._name_parser_map[name] = parser
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# make parser available under aliases also
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for alias in aliases:
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self._name_parser_map[alias] = parser
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return parser
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