piecamera

simply read a frame from picamera module.

simple class to read frames from picamera.

import cv2
from piecamera import PieCamera


camera = PieCamera()

key = -1
while key == -1:
  ret, frame = camera.read()
  cv2.imshow('frame', frame)
  key = cv2.waitKey(1)
  
cv2.destroyWindow('frame')

PieCamera class also gets some picamera configuration at initiate state such as frame rate , resolution, and so on. you can change those properties after defining camera source in the middle of program by using PieCamera.update_attribs. but, remember that it's initiate the camera again, so you will see some delays.