Source code for core.utils.resolve

# core/utils/resolve.py
#
#

""" utils package. """

__copyright__ = "Copyright 2015, B.H.J Thate"

## IMPORT

import socket

## RESOLVE

def resolve_ip(hostname=None, timeout=1.0):
    oldtimeout = socket.getdefaulttimeout()
    socket.setdefaulttimeout(timeout)
    try: ip = socket.gethostbyname(hostname or socket.gethostname())
    except socket.timeout: ip = None
    socket.setdefaulttimeout(oldtimeout)
    return ip

def resolve_host(ip=None, timeout=1.0):
    oldtimeout = socket.getdefaulttimeout()
    socket.setdefaulttimeout(timeout)
    try: host = socket.gethostbyaddr(ip or resolve_ip())[0]
    except socket.timeout: host = None
    socket.setdefaulttimeout(oldtimeout)
    return host