exception http.client.CannotSendHeader A subclass of ImproperConnectionState.

Morsel.OutputString(attrs=None) Return a string representing the Morsel, without any surrounding HTTP or JavaScript.

Morsel.set(key, value, coded_value) Set the key, value and coded_value attributes.

POP3.dele(which) Flag message number which for deletion. On most servers deletions are not actually performed until

exception smtplib.SMTPRecipientsRefused All recipient addresses refused. The errors for each recipient are accessible through

is_reserved

urllib.parse.quote_from_bytes(bytes, safe='/') Like quote(), but accepts a

wsgiref.util.is_hop_by_hop(header_name) Return true if ‘header_name’ is an HTTP/1.1 “Hop-by-Hop” header, as defined by

DefaultCookiePolicy.DomainRFC2965Match When setting cookies, require a full RFC 2965 domain-match.

supernet(prefixlen_diff=1, new_prefix=None)