import sys, os, fcntl, termios, struct, string, select
import serialutil
import sys, os, fcntl, termios, struct, string, select
import serialutil
PARITY_NONE, PARITY_EVEN, PARITY_ODD = range(3)
STOPBITS_ONE, STOPBITS_TWO = (1, 2)
PARITY_NONE, PARITY_EVEN, PARITY_ODD = range(3)
STOPBITS_ONE, STOPBITS_TWO = (1, 2)