CGI "Basic" HTTP Authorization, in a nutshell

#!/usr/bin/env python3
import os, base64
auth_header = os.environ ['HTTP_AUTHORIZATION']
auth_basic = auth_header.split('Basic ', 1)[1]
u, p = base64.b64decode(basic_auth).split(':', 1)
u = u.decode()
print(u, p)

Caveats:

• it might work¹
• it might not²