import cv2
import urllib2

url = "http://72.45.175.148/-wvhttp-01-/GetOneShot?image_size=640x480&frame_count=1000000000"
src = urllib2.urlopen(url)
if not x.info().type.startswith("image"):
	cap = cv2.VideoCapture("http://72.45.175.148/-wvhttp-01-/GetOneShot?image_size=640x480&frame_count=1000000000")
	ret, frame = cap.read()
	cv2.imwrite(frame, "/usr/tmp/tst.jpg")

'multipart/x-mixed-replace'
'image/jpeg'