parser = OptionParser(usage=usage)
parser.add_option("-u", "--user", dest="pl_user", help="PlanetLab account user name", default=pl_user)
parser.add_option("-p", "--password", dest="pl_pwd", help="PlanetLab account password", default=pl_pwd)
parser.add_option("-l", "--url", dest="pl_url", help="PlanetLab XMLRPC url", default=pl_url)
parser = OptionParser(usage=usage)
parser.add_option("-u", "--user", dest="pl_user", help="PlanetLab account user name", default=pl_user)
parser.add_option("-p", "--password", dest="pl_pwd", help="PlanetLab account password", default=pl_pwd)
parser.add_option("-l", "--url", dest="pl_url", help="PlanetLab XMLRPC url", default=pl_url)