getting the approx size of all dependencies for a maya scene file

sceneDepsSize.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# getting the approx size of all dependencies for a maya scene file

import os
import sys

def size_format(size):
  units = ['B', 'KB', 'MB', 'GB']
  for u in units:
    if size < 1024:  return '%f %s' %(size, u)
      size /= 1024
  return '%f %s' %(size, units[-1])

def sizeFile(args):
    d = '/nas/projects/Tactic/bilal/render/.depsTemp/%s.ma_filtered.lst' %args[0]
    d = open(d)
    sizeList = []
    for dep in d:
       if os.path.isfile(dep[:-1]):
          sizeList.append(os.path.getsize(dep[:-1]))
    print ("The approx. total size for the dependencies: ", size_format(sum(sizeList)))
    d.close()

sizeFile(sys.argv[1:])