from threading import Thread

import requests


with open('working-proxies-history.txt') as f:
    proxy_list = [f'http://{proxy}' for proxy in f.read().split()]


def fetch(proxy: str):
    try:
        requests.get('http://icanhazip.com', proxies={
            'http': proxy,
            'https': proxy
        }, timeout=6).text
    except:
        pass
    else:
        results.append(True)


step = 400

count = 0
results = []

for i in range(0, len(proxy_list), step):
    threads = []
    for proxy in proxy_list[i:i + step]:
        thread = Thread(target=fetch, args=(proxy,))
        thread.start()
        threads.append(thread)

    for thread in threads:
        thread.join()

    count += results.count(True)

print(count)