threadedPi.py

import thread
import time
import random
import RPi.GPIO as GPIO

def blinkTask(pin):
        state = False
        pin = int(pin)
        while 1:
                state = not state
                freq = random.uniform(0.1, 0.7)
                print "Blinking %s at %s" % ( pin, freq)
                time.sleep(freq)
                GPIO.output(pin, state)

GPIO.setmode(GPIO.BOARD)
GPIO.setwarnings(False)
GPIO.setup(7, GPIO.OUT)
GPIO.setup(5, GPIO.OUT)

try:
   thread.start_new_thread( blinkTask, (7,) )
   thread.start_new_thread( blinkTask, (5,) )
except:
   print "Error: unable to start thread"

while 1:
   pass