urllib.request.install_opener(opener) Install an OpenerDirector instance as the default global opener. Installing

OpenerDirector.error(proto, *args) Handle an error of the given protocol. This will call the registered error handlers for the

urllib.parse.urlunparse(parts) Construct a URL from a tuple as returned by urlparse(). The parts argument

class http.cookies.SimpleCookie([input]) This class derives from BaseCookie and overrides value_decode()

FTP.ntransfercmd(cmd, rest=None) Like transfercmd(), but returns a tuple of the data connection and the expected

class socketserver.ThreadingUDPServer These classes are pre-defined using the mix-in classes.

HTTPResponse.getheaders() Return a list of (header, value) tuples.

HTTPResponse.reason Reason phrase returned by server.

IMAP4.getquota(root) Get the quota root‘s resource usage and limits. This method is part of the IMAP4

set_url(url) Sets the URL referring to a robots.txt file.