(self, **kwargs)
| 1657 | # Optional/Positional adding methods |
| 1658 | # ================================== |
| 1659 | def add_subparsers(self, **kwargs): |
| 1660 | if self._subparsers is not None: |
| 1661 | self.error(_('cannot have multiple subparser arguments')) |
| 1662 | |
| 1663 | # add the parser class to the arguments if it's not present |
| 1664 | kwargs.setdefault('parser_class', type(self)) |
| 1665 | |
| 1666 | if 'title' in kwargs or 'description' in kwargs: |
| 1667 | title = _(kwargs.pop('title', 'subcommands')) |
| 1668 | description = _(kwargs.pop('description', None)) |
| 1669 | self._subparsers = self.add_argument_group(title, description) |
| 1670 | else: |
| 1671 | self._subparsers = self._positionals |
| 1672 | |
| 1673 | # prog defaults to the usage message of this parser, skipping |
| 1674 | # optional arguments and with no "usage:" prefix |
| 1675 | if kwargs.get('prog') is None: |
| 1676 | formatter = self._get_formatter() |
| 1677 | positionals = self._get_positional_actions() |
| 1678 | groups = self._mutually_exclusive_groups |
| 1679 | formatter.add_usage(self.usage, positionals, groups, '') |
| 1680 | kwargs['prog'] = formatter.format_help().strip() |
| 1681 | |
| 1682 | # create the parsers action and add it to the positionals list |
| 1683 | parsers_class = self._pop_action_class(kwargs, 'parsers') |
| 1684 | action = parsers_class(option_strings=[], **kwargs) |
| 1685 | self._subparsers._add_action(action) |
| 1686 | |
| 1687 | # return the created parsers action |
| 1688 | return action |
| 1689 | |
| 1690 | def _add_action(self, action): |
| 1691 | if action.option_strings: |
nothing calls this directly
no test coverage detected