verify_socks5_proxy_in_awful_way

from concurrent.futures.thread import ThreadPoolExecutor

import requests


def verify_proxy(proxy, test_url='https://www.google.com'):
    host, port, *_ = proxy
    try:
        requests.get(test_url, proxies={
            'http': f'socks5://{host}:{port}',
            'https': f'socks5://{host}:{port}',
        })
    except BaseException as e:
        return False
    return True

def gen_proxies(fp):
    with open(fp) as f:
        for line in f:
            if not line.strip():
                continue
            yield line.strip().split(':')

if __name__ == '__main__':
    candidates = tuple(gen_proxies('socks5'))
    with ThreadPoolExecutor(max_workers=5) as executor:
        for candidate, working in zip(candidates, executor.map(verify_proxy, candidates)):
            if not working:
                continue
            print(f'{candidate} is usable')