Function intToIp

vrtManager/IPy.py:1097–1126

Transform an integer string into an IP address.

(ip, version)

def intToIp(ip, version):
    """Transform an integer string into an IP address."""

    # just to be sure and hoping for Python 2.22
    ip = long(ip)

    if ip < 0:
        raise ValueError, "IPs can't be negative: %d" % (ip)

    ret = ''
    if version == 4:
        if ip > 0xffffffffL:
            raise ValueError, "IPv4 Addresses can't be larger than 0xffffffff: %s" % (hex(ip))
        for l in range(4):
            ret = str(ip & 0xffL) + '.' + ret
            ip = ip >> 8
        ret = ret[:-1]
    elif version == 6:
        if ip > 0xffffffffffffffffffffffffffffffffL:
            raise ValueError, "IPv6 Addresses can't be larger than 0xffffffffffffffffffffffffffffffff: %s" % (hex(ip))
        l = '0' * 32 + hex(ip)[2:-1]
        for x in range(1, 33):
            ret = l[-x] + ret
            if x % 4 == 0:
                ret = ':' + ret
        ret = ret[1:]
    else:
        raise ValueError, "only IPv4 and IPv6 supported"

    return ret


def _ipVersionToLen(version):