You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

75 lines
2.5 KiB

from argparse import ArgumentParser, _SubParsersAction
class GooeySubParser(_SubParsersAction):
def __init__(self, *args, **kwargs):
super(GooeySubParser, self).__init__(*args, **kwargs)
class GooeyParser(object):
def __init__(self, **kwargs):
self.__dict__['parser'] = ArgumentParser(**kwargs)
self.widgets = {}
@property
def _mutually_exclusive_groups(self):
return self.parser._mutually_exclusive_groups
@property
def _actions(self):
return self.parser._actions
@property
def description(self):
return self.parser.description
def add_argument(self, *args, **kwargs):
widget = kwargs.pop('widget', None)
self.parser.add_argument(*args, **kwargs)
self.widgets[self.parser._actions[-1].dest] = widget
def add_mutually_exclusive_group(self, **kwargs):
return self.parser.add_mutually_exclusive_group(**kwargs)
def add_argument_group(self, *args, **kwargs):
return self.parser.add_argument_group(*args, **kwargs)
def parse_args(self, args=None, namespace=None):
return self.parser.parse_args(args, namespace)
def add_subparsers(self, **kwargs):
if self._subparsers is not None:
self.error(_('cannot have multiple subparser arguments'))
# add the parser class to the arguments if it's not present
kwargs.setdefault('parser_class', type(self))
if 'title' in kwargs or 'description' in kwargs:
title = _(kwargs.pop('title', 'subcommands'))
description = _(kwargs.pop('description', None))
self._subparsers = self.add_argument_group(title, description)
else:
self._subparsers = self._positionals
# prog defaults to the usage message of this parser, skipping
# optional arguments and with no "usage:" prefix
if kwargs.get('prog') is None:
formatter = self._get_formatter()
positionals = self._get_positional_actions()
groups = self._mutually_exclusive_groups
formatter.add_usage(self.usage, positionals, groups, '')
kwargs['prog'] = formatter.format_help().strip()
# create the parsers action and add it to the positionals list
parsers_class = self._pop_action_class(kwargs, 'parsers')
action = parsers_class(option_strings=[], **kwargs)
self._subparsers._add_action(action)
# return the created parsers action
return action
def __getattr__(self, item):
return getattr(self.parser, item)
def __setattr__(self, key, value):
return setattr(self.parser, key, value)