usual_variables=[])
parser.add_option("","--configdir",dest="config_dir",action="append", help="specify configuration directory")
parser.add_option("","--usual_variable",dest="usual_variables",action="append", help="add a usual variable")
usual_variables=[])
parser.add_option("","--configdir",dest="config_dir",action="append", help="specify configuration directory")
parser.add_option("","--usual_variable",dest="usual_variables",action="append", help="add a usual variable")