serial arduino detect

import serial
import serial.tools.list_ports as list_ports
import time

for p in list_ports.comports():
    print "\n"
    for k,v in vars(p).iteritems():
            print k,v

    if "Arduino" in str(p):
        arduinoPort = p.device


raise SystemExit # end program

s = serial.Serial()
s.baudrate = 9600
s.port = arduinoPort
s.open()

while True:
    time.sleep(0.01)

    if s.in_waiting:  # Or: while ser.inWaiting():
        inStr=""
        while s.in_waiting:
            inStr += s.read()
        print inStr

s.close()