#!/usr/bin/env python # -*- coding: utf-8 -*- import time import urllib.request import cv2 import numpy as np from dora import Node req = urllib.request.urlopen( "https://pyimagesearch.com/wp-content/uploads/2015/01/opencv_logo.png" ) arr = np.asarray(bytearray(req.read()), dtype=np.uint8) node = Node() start = time.time() while time.time() - start < 20: # Wait next input node.next() node.send_output("image", arr.tobytes())