lib/wind/rfc3454.py

   1 #!/usr/local/bin/python
   2 # -*- coding: iso-8859-1 -*-
   3
   4 # $Id$
   5
   6 # Copyright (c) 2004 Kungliga Tekniska Högskolan
   7 # (Royal Institute of Technology, Stockholm, Sweden).
   8 # All rights reserved.
   9 #
  10 # Redistribution and use in source and binary forms, with or without
  11 # modification, are permitted provided that the following conditions
  12 # are met:
  13 #
  14 # 1. Redistributions of source code must retain the above copyright
  15 #    notice, this list of conditions and the following disclaimer.
  16 #
  17 # 2. Redistributions in binary form must reproduce the above copyright
  18 #    notice, this list of conditions and the following disclaimer in the
  19 #    documentation and/or other materials provided with the distribution.
  20 #
  21 # 3. Neither the name of the Institute nor the names of its contributors
  22 #    may be used to endorse or promote products derived from this software
  23 #    without specific prior written permission.
  24 #
  25 # THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  26 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  27 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28 # ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  29 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  30 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  31 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  33 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  34 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  35 # SUCH DAMAGE.
  36
  37 import re
  38 import string
  39
  40 def read(filename):
  41     """return a dict of tables from rfc3454"""
  42     f = open(filename, 'r')
  43     inTable = False
  44     ret = {}
  45     while True:
  46         l = f.readline()
  47         if not l:
  48             break
  49         if inTable:
  50             m = re.search('^ *----- End Table ([A-Z0-9\.]+) ----- *$', l)
  51             if m:
  52                 ret[m.group(1)] = t
  53                 inTable = False
  54             else:
  55                 t.append(l)
  56         if re.search('^ *----- Start Table ([A-Z0-9\.]+) ----- *$', l):
  57             inTable = True
  58             t = []
  59     f.close()
  60     return ret