cameraTest.py

import time
import numpy as np
from picamera import PiCamera

camera = PiCamera()
camera.resolution = (320, 240)
camera.framerate = 5
time.sleep(2)

def getFrame():
    output = np.empty((240, 320, 3), dtype=np.uint8)
    camera.capture(output, 'rgb')
    return output


start = time.time()
i = 0
while True:
    image = getFrame()    
    i = i + 1
    print('.')
    if ((time.time() -start) > 60):
        # Print FPS
        print(i/60)
        break