Python-сообщество

from optparse import OptionParser
# -*- coding: utf-8 -*-
parser = OptionParser()
#исходное размещение файлов для упаковки
parser.add_option("-i", "--directory-input", dest="directory_input",
                         help="directory to backup")
#место хранения файлов после упаковки
parser.add_option("-o", "--directory-dest", dest="directory_dest",
                        help="location backup")
#путь к архиватору 7zip
parser.add_option("-p", "--path-7zip", dest="path_7zip", help="path to 7zip",
                        default = r"C:\Program Files\7-Zip\7z.exe")
#путь к архиватору 7zip
parser.add_option("-s", "--subdirectory", action="store_true",
                        help="subdirectory to pack",
                        default = False
                        )

parser.add_option("-f", "--formatname-backup", action="formatname_true")

Traceback (most recent call last):
  File "C:\djproject\src\run_archive_optparse.py", line 39, in <module>
    parser.add_option("-f", "--formatname-backup", action="formatname_true")
  File "C:\Python25\lib\optparse.py", line 1005, in add_option
    option = self.option_class(*args, **kwargs)
  File "C:\Python25\lib\optparse.py", line 563, in __init__
    checker(self)
  File "C:\Python25\lib\optparse.py", line 619, in _check_action
    raise OptionError("invalid action: %r" % self.action, self)
optparse.OptionError: option -f/--formatname-backup: invalid action: 'formatname
_true'