Attachment 162256 Details for Bug 203900 – Generate many dummy files

Generate many dummy files

dummyFileGenerator.py (text/plain), 1.70 KB, created by Rizal Muhammad Nur on 2015-10-20 17:59:45 UTC

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Creator: Rizal Muhammad Nur

Created: 2015-10-20 17:59:45 UTC

Size: 1.70 KB

patch

obsolete

>#!/usr/bin/env python
># How to use
># > python dummyFileGenerator.py -r 1 -d /data/ -n 100000
>#   file structure will be like:
>#     /data/aa/bb/cc/dd
>
>import argparse
>import time
>import sys
>import os
>
>i = 0xffffffff+1
>
>def get_args_parser():
>  parser = argparse.ArgumentParser(add_help=False)
>  parser.add_argument(
>    "-n", "--number",
>    default=False,
>    nargs='?',
>    type=int,
>    help="Number files is generated (max 2^32)")
>  parser.add_argument(
>    "-d", "--dir",
>    default='.',
>    nargs='?',
>    type=str,
>    help="Directory base")
>  parser.add_argument(
>    "-r", "--report",
>    default=0,
>    nargs='?',
>    type=int,
>    help="Print report every r second")
>  parser.add_argument(
>    "--help",
>    default=False,
>    action='store_true',
>    help="Show this help")
>  return parser
>
>def createfile(n):
>  tmpfile = None
>  hexstr = format(n,'x')
>  level1 = hexstr[1:3]
>  level2 = hexstr[3:5]
>  level3 = hexstr[5:7]
>  level4 = hexstr[7:9]
>  path = args.dir+'/'+level1+'/'+level2+'/'+level3
>  try:
>    tmpfile = open(path+'/'+level4, 'w')
>  except:
>    os.makedirs(path)
>    tmpfile = open(path+'/'+level4, 'w')
>  tmpfile.write(level1+level2+level3+level4)
>  tmpfile.close()
>
>if __name__ == '__main__':
>  parser = get_args_parser()
>  args = parser.parse_args()
>  if args.help or not args.number or args.number > i:
>    parser.print_help()
>    parser.exit()
>    sys.exit()
>  if not os.path.exists(args.dir):
>    print "Base directory "+args.dir+" doesn't exist"
>    sys.exit()
>  t = time.time()
>  for j in range(i,i+args.number):
>    createfile(j)
>    if args.report:
>      if time.time() - t > args.report:
>        t = time.time()
>        print "file number: "+str(j-i+1)
>  print "file number: "+str(j-i+1)
>  sys.exit()

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Attachments on bug 203900: 162256 | 162257