This script used for Blackhat meterials download. Give Blackhat brifieng main url as parameter and sit back.
Its multiprocessing (Thread pool), on defult work with 8 process
[!] Missing parameters
[+] Usage: python bh-downloader.py Brifieng_url
[+] Ex: python bh-downloader.py https://www.blackhat.com/us-16/briefings.html