def setup_optparse():
parser = BPTOptionParser(
usage='%prog command [ options ... ]',
description='Tool for creating/managing package boxes',
version='%%prog %s' % bpt.__version__)
parser.disable_interspersed_args()
parser.add_option('--help-commands', action='callback',
callback=help_commands,
help='informations about available commands')
parser.add_option('-b', '--box', action='store',
type='string', dest='box_path',
help='box path. If not specified, use the current one.')
return parser
