source: trunk/pxeconfig/hexls @ 62

#! /usr/bin/env python
# Copyright (C) 2002
#
# This file is part of the pxeconfig utils
#
# This program is free software; you can redistribute it and/or modify it 
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
#
'''
hexls.py - Lists directory contents, but converts the hexadecimal IP numbers
to dotted decimal notation (so you can at least see what you're doing..!!)

Author: Walter de Jong <walter@sara.nl>
Date:   January 2002

Changes: Bas van der Vlies <basv@sara.nl>
Date:    September 2002

SVN info 
  $Id: hexls 62 2005-11-22 11:22:18Z bas $
'''

import os
import string
import re
import socket

def hexls(path):
        '''list directory, convert hexadecimal to dotted decimal'''

        regexp = re.compile('[' + string.hexdigits + ']{8}' )
        for f in os.listdir(path):
                if regexp.match(f) and len(f) == 8:
                        digit1 = string.atoi(f[:2], 16)
                        digit2 = string.atoi(f[2:4], 16)
                        digit3 = string.atoi(f[4:6], 16)
                        digit4 = string.atoi(f[6:], 16)

                        ipaddr = '%d.%d.%d.%d' % (digit1, digit2, digit3, digit4) 
                        hostname = socket.gethostbyaddr(ipaddr)
                        if hostname:
                                print '%s => %s => %s' % (f, ipaddr, hostname[0])
                        else:
                                print '%s => %s' % (f, ipaddr)
                else:
                        if f[0] != '.':
                                print f


if __name__ == '__main__':
        import sys

        if len(sys.argv) > 1:
                for dir in sys.argv[1:]:
                        hexls(dir)
        else:
                hexls('.')

# EOB