new_contents: #!/usr/bin/env python
  # -*- coding: utf8 -*-
  
  """
  The following code is used to convert bytes to be human readable.
  It was found on the Internet...
  """
  
  import math
  import string
  
  # code from here: http://code.activestate.com/recipes/578323-human-readable-filememory-sizes-v2/
  class human_readable( long ):
      """ define a human_readable class to allow custom formatting
          format specifiers supported : 
              em : formats the size as bits in IEC format i.e. 1024 bits (128 bytes) = 1Kib 
              eM : formats the size as Bytes in IEC format i.e. 1024 bytes = 1KiB
              sm : formats the size as bits in SI format i.e. 1000 bits = 1kb
              sM : formats the size as bytes in SI format i.e. 1000 bytes = 1KB
              cm : format the size as bit in the common format i.e. 1024 bits (128 bytes) = 1Kb
              cM : format the size as bytes in the common format i.e. 1024 bytes = 1KB
      """
      def __format__(self, fmt):
          # is it an empty format or not a special format for the size class
          if fmt == "" or fmt[-2:].lower() not in ["em","sm","cm"]:
              if fmt[-1].lower() in ['b','c','d','o','x','n','e','f','g','%']:
                  # Numeric format.
                  return long(self).__format__(fmt)
              else:
                  return str(self).__format__(fmt)
  
          # work out the scale, suffix and base        
          factor, suffix = (8, "b") if fmt[-1] in string.lowercase else (1,"B")
          base = 1024 if fmt[-2] in ["e","c"] else 1000
  
          # Add the i for the IEC format
          suffix = "i"+ suffix if fmt[-2] == "e" else suffix
  
          mult = ["","K","M","G","T","P"]
  
          val = float(self) * factor
          i = 0 if val < 1 else int(math.log(val, base))+1
          v = val / math.pow(base,i)
          v,i = (v,i) if v > 0.5 else (v*base,i-1)
  
          # Identify if there is a width and extract it
          width = "" if fmt.find(".") == -1 else fmt[:fmt.index(".")]        
          precis = fmt[:-2] if width == "" else fmt[fmt.index("."):-2]
  
          # do the precision bit first, so width/alignment works with the suffix
          if float(self) == 0:
              return "{0:{1}f}".format(v, precis)
          t = ("{0:{1}f}"+mult[i]+suffix).format(v, precis) 
  
          return "{0:{1}}".format(t,width) if width != "" else t
  
  
subject: split utils into specific file