import sys

import threading

from concurrent.futures import ThreadPoolExecutor

from random import randint, seed

from seleniumbase import SB

sys.argv.append("-n") # Tell SeleniumBase to do thread-locking as needed

def launch_driver(url):

seed(len(threading.enumerate())) # Random seed for browser placement

with SB() as sb:

sb.set_window_rect(randint(4, 720), randint(8, 410), 700, 500)

sb.open(url=url)

if sb.is_element_visible("h1"):

sb.highlight("h1", loops=9)

else:

sb.sleep(2.2)

if __name__ == "__main__":

urls = ['https://seleniumbase.io/demo_page' for i in range(4)]

with ThreadPoolExecutor(max_workers=len(urls)) as executor:

for url in urls:

executor.submit(launch_driver, url)