This is just a bundle of the parameters in a CGI request. Public variables:
Argument list of the original CGI command.
Environment of the original CGI command (a dictionary).
Query parameters of the original CGI command parsed into a dictionary.
The CGI command path info, broken up into a list. Path info is the URL path that follows the command name. If the URL is "http://somehost/cgi-bin/cgipdisp/service/name", then this variable would contain ['service', 'name'].
def __init__(self, args, env, query, path):