467                 option_string = action.option_strings[0]
479                     part = '%s %s' % (option_string, args_string)
580                 for option_string in action.option_strings:
581                     parts.append('%s %s' % (option_string, args_string))
881     def __call__(self, parser, namespace, values, option_string=None):  argument
897         for option_string in option_strings:
898             _option_strings.append(option_string)
900             if option_string.startswith('--'):
901                 option_string = '--no-' + option_string[2:]
902                 _option_strings.append(option_string)
916     def __call__(self, parser, namespace, values, option_string=None):  argument
917         if option_string in self.option_strings:
918             setattr(namespace, self.dest, not option_string.startswith('--no-'))
955     def __call__(self, parser, namespace, values, option_string=None):  argument
978     def __call__(self, parser, namespace, values, option_string=None):  argument
1047     def __call__(self, parser, namespace, values, option_string=None):  argument
1074     def __call__(self, parser, namespace, values, option_string=None):  argument
1097     def __call__(self, parser, namespace, values, option_string=None):  argument
1118     def __call__(self, parser, namespace, values, option_string=None):  argument
1139     def __call__(self, parser, namespace, values, option_string=None):  argument
1217     def __call__(self, parser, namespace, values, option_string=None):  argument
1250     def __call__(self, parser, namespace, values, option_string=None):  argument
1489         for option_string in action.option_strings:
1490             self._option_string_actions[option_string] = action
1493         for option_string in action.option_strings:
1494             if self._negative_number_matcher.match(option_string):
1564         for option_string in args:
1566             if not option_string[0] in self.prefix_chars:
1567                 args = {'option': option_string,
1574             option_strings.append(option_string)
1575             if len(option_string) > 1 and option_string[1] in self.prefix_chars:
1576                 long_option_strings.append(option_string)
1588                 raise ValueError(msg % option_string)
1611         for option_string in action.option_strings:
1612             if option_string in self._option_string_actions:
1613                 confl_optional = self._option_string_actions[option_string]
1614                 confl_optionals.append((option_string, confl_optional))
1625         conflict_string = ', '.join([option_string
1626                                      for option_string, action
1633         for option_string, action in conflicting_actions:
1636             action.option_strings.remove(option_string)
1637             self._option_string_actions.pop(option_string, None)
1960         def take_action(action, argument_strings, option_string=None):  argument
1978                 action(self, namespace, argument_values, option_string)
1985             action, option_string, explicit_arg = option_tuple
2009                         and option_string[1] not in chars
2012                         action_tuples.append((action, [], option_string))
2013                         char = option_string[0]
2014                         option_string = char + explicit_arg[0]
2017                         if option_string in optionals_map:
2018                             action = optionals_map[option_string]
2029                         action_tuples.append((action, args, option_string))
2047                     action_tuples.append((action, args, option_string))
2053             for action, args, option_string in action_tuples:
2054                 take_action(action, args, option_string)
2249             option_string, explicit_arg = arg_string.split('=', 1)
2250             if option_string in self._option_string_actions:
2251                 action = self._option_string_actions[option_string]
2252                 return action, option_string, explicit_arg
2260             options = ', '.join([option_string
2261                 for action, option_string, explicit_arg in option_tuples])
2287     def _get_option_tuples(self, option_string):  argument
2293         if option_string[0] in chars and option_string[1] in chars:
2295                 if '=' in option_string:
2296                     option_prefix, explicit_arg = option_string.split('=', 1)
2298                     option_prefix = option_string
2300                 for option_string in self._option_string_actions:
2301                     if option_string.startswith(option_prefix):
2302                         action = self._option_string_actions[option_string]
2303                         tup = action, option_string, explicit_arg
2309         elif option_string[0] in chars and option_string[1] not in chars:
2310             option_prefix = option_string
2312             short_option_prefix = option_string[:2]
2313             short_explicit_arg = option_string[2:]
2315             for option_string in self._option_string_actions:
2316                 if option_string == short_option_prefix:
2317                     action = self._option_string_actions[option_string]
2318                     tup = action, option_string, short_explicit_arg
2320                 elif option_string.startswith(option_prefix):
2321                     action = self._option_string_actions[option_string]
2322                     tup = action, option_string, explicit_arg
2327             self.error(_('unexpected option string: %s') % option_string)