import sys, os, serial, threading

def monitor():

    ser = serial.Serial(COMPORT, BAUDRATE, timeout=0)

    while (1):
        line = ser.readline()
        if (line != ""):
            # print fields
            print line[:-1]
            # write to file
            text_file = open("seriallog.txt", "a")
            text_file.write(line)
            text_file.close()

        # do some other things here

    print "Stop Monitoring"

""" -------------------------------------------
MAIN APPLICATION
"""

print "Start Serial Monitor"
print

COMPORT = 26; #this is the serial port, normally it's what it's in the arduino +1 so com0 on arduino would be comport 1 here.
BAUDRATE = 115200

monitor()