def __init__(self, name, loader, *largs, **kwargs):
kwargs['formatter_class'] = RawTextHelpFormatter
kwargs['fromfile_prefix_chars']="@"
args = kwargs.pop('args', None)
preparser = ArgumentParser(add_help=False,
fromfile_prefix_chars=kwargs['fromfile_prefix_chars'])
preparser.add_argument("-X", type=loader, action="append")
# Process the plugins
preparser.exit = lambda a, b: None
# preparser.convert_arg_line_to_args = self.convert_arg_line_to_args
preparser._read_args_from_files = PluginArgumentParser._read_args_from_files.__get__(preparser)
preparser._yield_args_from_files = PluginArgumentParser._yield_args_from_files.__get__(preparser)
preparser.convert_args_file_to_args = PluginArgumentParser.convert_args_file_to_args.__get__(preparser)
self.ns, unknown = preparser.parse_known_args(args)
ArgumentParser.__init__(self, name, *largs, **kwargs)
self.add_argument("-X", action='append', help='path of additional plugins to be loaded' )
