socket.gethostname() Return a string containing the hostname of the machine where the Python interpreter is currently executing

socket.getaddrinfo(host, port, family=0, type=0, proto=0, flags=0) Translate the host/port argument into a

readable() Called each time around the asynchronous loop to determine whether a channel’s socket should be added to the list

socket.getsockname() Return the socket’s own address. This is useful to find out the port number of an IPv4/v6 socket, for instance

socket.bind(address) Bind the socket to address. The socket must not already be bound. (The format of address

size() Return the length of the file, which can be larger than the size of the memory-mapped area.

signal.set_wakeup_fd(fd) Set the wakeup file descriptor to fd. When a signal is received, the signal number is written

exception ssl.CertificateError Raised to signal an error with a certificate (such as mismatching hostname). Certificate errors

SSLContext.get_ca_certs(binary_form=False) Get a list of loaded “certification authority” (CA) certificates. If the binary_form

socket.if_indextoname(if_index) Return a network interface name corresponding to an interface index number.