Get most recent frame from webcam

Question

I am using OpenCV2 to take some timelapse photos with a webcam. I want to extract the most recent view seen by the webcam. I try to accomplish this like so.

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Answer 1

I have read that in the VideoCapture object there is a 5 frame buffer, and there is the .grab method that takes the frame but does not decode it.

So you can

cap = cv2.VideoCapture(0)
for i in xrange(4):
    cap.grab()
ret, frame = cap.read()
...