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# Copyright 2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
__all__ = ['ArgumentParser']
try:
from argparse import ArgumentParser
except ImportError:
# Compatibility with Python 2.6 and 3.1
from optparse import OptionGroup, OptionParser
from portage.localization import _
class ArgumentParser(object):
def __init__(self, **kwargs):
add_help = kwargs.pop("add_help", None)
if add_help is not None:
kwargs["add_help_option"] = add_help
parser = OptionParser(**kwargs)
self._parser = parser
self.add_argument = parser.add_option
self.print_help = parser.print_help
self.error = parser.error
def add_argument_group(self, title=None, **kwargs):
optiongroup = OptionGroup(self._parser, title, **kwargs)
self._parser.add_option_group(optiongroup)
return _ArgumentGroup(optiongroup)
def parse_known_args(self, args=None, namespace=None):
return self._parser.parse_args(args, namespace)
def parse_args(self, args=None, namespace=None):
args, argv = self.parse_known_args(args, namespace)
if argv:
msg = _('unrecognized arguments: %s')
self.error(msg % ' '.join(argv))
return args
class _ArgumentGroup(object):
def __init__(self, optiongroup):
self.add_argument = optiongroup.add_option
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