op.add_option('-n', '--hostname', dest='host', default='localhost', help='the hostname to connect to for virtual vending machine mode (default: localhost)')
op.add_option('-p', '--port', dest='port', default=5150, type='int', help='the port number to connect to (default: 5150)')
op.add_option('-l', '--log-file', metavar='FILE', dest='log_file', default='', help='log output to the specified file')
op.add_option('-n', '--hostname', dest='host', default='localhost', help='the hostname to connect to for virtual vending machine mode (default: localhost)')
op.add_option('-p', '--port', dest='port', default=5150, type='int', help='the port number to connect to (default: 5150)')
op.add_option('-l', '--log-file', metavar='FILE', dest='log_file', default='', help='log output to the specified file')