Sans-io socks 4/5 client/server library/framework.

Features:

 * Only tcp connect (no bind, no udp)
 * Both client and server
 * Socks versions: 4, 4a, 5
 * Socks5 auth: no auth, username/password
 * Couple io backends: asyncio, trio, socketserver
 * One-shot socks server (python -m siosocks)

WWW: https://pypi.python.org/pypi/siosocks