socket Namespace Reference

Data Structures
class	_socketobject
class	_fileobject

Functions
def	socket
def	ssl
def	getfqdn

Variables
list	__all__ = ["getfqdn"]
	_realsocketcall = _socket.socket
	_realsslcall = _socket.ssl
dictionary	errorTab = {}
tuple	_socketmethods

Function Documentation

def socket.getfqdn

(

name = '')

Get fully qualified domain name from name.

An empty argument is interpreted as meaning the local host.

First the hostname returned by gethostbyaddr() is checked, then
possibly existing aliases. In case no FQDN is available, hostname
is returned.

Definition at line 91 of file socket.py.

def getfqdn(name=''):
    """Get fully qualified domain name from name.

    An empty argument is interpreted as meaning the local host.

    First the hostname returned by gethostbyaddr() is checked, then
    possibly existing aliases. In case no FQDN is available, hostname
    is returned.
    """
    name = name.strip()
    if not name or name == '0.0.0.0':
        name = gethostname()
    try:
        hostname, aliases, ipaddrs = gethostbyaddr(name)
    except error:
        pass
    else:
        aliases.insert(0, hostname)
        for name in aliases:
            if '.' in name:
                break
        else:
            name = hostname
    return name


#
# These classes are used by the socket() defined on Windows and BeOS
# platforms to provide a best-effort implementation of the cleanup
# semantics needed when sockets can't be dup()ed.
#
# These are not actually used on other platforms.
#