server_software If the origin_server attribute is set, this attribute’s value is used to set the default

Morsel.isReservedKey(K) Whether K is a member of the set of keys of a Morsel.

seen_greeting Holds a string containing the greeting sent by the client in its “HELO”.

urllib.request.getproxies() This helper function returns a dictionary of scheme to proxy server URL mappings. It scans the environment

POP3.rpop(user) Use RPOP authentication (similar to UNIX r-commands) to log into POP3 server.

Request.data The entity body for the request, or None if not specified.

Morsel.copy(value) Return a shallow copy of the Morsel object.

OpenerDirector.open(url, data=None[, timeout]) Open the given url (which can be a request object or a string), optionally

UnknownHandler.unknown_open() Raise a

NNTP.last() Send a LAST command. Return as for stat().