util.py 文件源码

def isIPAddress(ip, compressed=True):
    """Check if an arbitrary string is an IP address, and that it's valid.

    :type ip: basestring or int
    :param ip: The IP address to check.
    :param boolean compressed: If True, return a string representing the
        compressed form of the address. Otherwise, return an
        :class:`ipaddr.IPAddress` instance.
    :rtype: A :class:`ipaddr.IPAddress`, or a string, or False
    :returns: The IP, as a string or a class, if it passed the
        checks. Otherwise, returns False.
    """
    try:
        ip = ipaddr.IPAddress(ip)
    except ValueError:
        return False
    else:
        if isValidIP(ip):
            if compressed:
                return ip.compressed
            else:
                return ip
    return False