connects to MYSQL server using these parameters:
export MYSQL_PROXY_USER=
export MYSQL_PROXY_PASS=
export MYSQL_PROXY_ADDRESS=ip:port
it uses :
import proxy_manager
downloads the requested url(s)
takes care of errors, proxies, timeout, retry(s) ...
and returns the downloaded url file.
proxy_downloader.get(['url','url2',...])