util.py

   1 import string
   2 import re
   3 import time
   4
   5 def bitmask_str(map, value):
   6     ret = []
   7     for mask in sorted(map.keys()):
   8         if value & mask: ret.append(map[mask])
   9     return ",".join(ret)
  10
  11 def ssid_str(array):
  12     s = ""
  13     for b in array:
  14         s = s + ("%c" % b)
  15     return s
  16
  17 def opath_validchar(c):
  18     # _ is also escaped even though it is valid
  19     return \
  20         string.ascii_letters.find(c) != -1 or \
  21         string.digits.find(c) != -1
  22
  23 def opath_escape(s):
  24     r = ""
  25     for c in s:
  26         # TODO find a more elegant way
  27         if not opath_validchar(c):
  28             # "-" -> "_2d_"
  29             c = "_%2x_" % ord(c)
  30         r = r + c
  31     return r
  32
  33 def opath_unescape(s):
  34     # "2d" -> "-"
  35     unhex = lambda xx: chr(eval("0x"+xx))
  36     # all "_2d_" -> "-"
  37     return re.sub("_.._", lambda p: unhex(p.group()[1:3]), s)
  38
  39 def dump_time(unixtime):
  40     return time.asctime(time.localtime(unixtime))
  41