src/backend/util.py

   1 #!/usr/bin/python
   2
   3 import random
   4 import string
   5
   6 def format_size(s, max_unit=None):
   7         units = ("B", "kB", "MB", "GB", "TB")
   8
   9         i = 0
  10         while s >= 1024 and i < len(units) - 1:
  11                 s /= 1024
  12                 i += 1
  13
  14                 if max_unit and units[i] == max_unit:
  15                         break
  16
  17         return "%.0f%s" % (s, units[i])
  18
  19 def format_time(s, shorter=True):
  20         #_ = handler.locale.translate
  21         _ = lambda x: x
  22
  23         hrs, s = divmod(s, 3600)
  24         min, s = divmod(s, 60)
  25
  26         if s >= 30:
  27                 min += 1
  28
  29         if shorter and not hrs:
  30                 return _("%(min)d min") % { "min" : min }
  31
  32         return _("%(hrs)d:%(min)02d hrs") % {"hrs" : hrs, "min" : min}
  33
  34 def random_string(length=8):
  35         input_chars = string.ascii_letters + string.digits
  36
  37         r = (random.choice(input_chars) for i in range(length))
  38
  39         return "".join(r)