text: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  
  
  size_divisor = dict(
      bytes=1024 * 1024,
      B=1024 * 1024,
      kilobytes=1024,
      kB=1024,
      KB=1024,
      KiB=1024,
      megabytes=1,
      MB=1,
      MiB=1,
      gigabytes=1 / 1024,
      GB=1 / 1024,
      GiB=1 / 1024,
      terabytes=1 / (1024 * 1024),
      TB=1 / (1024 * 1024),
      TiB=1 / (1024 * 1024),
  )
  
  speed_divisor = dict(
      Hz=1024 * 1024,
      kHz=1024,
      MHz=1,
      GHz=1 / 1024,
  )
  