make_random_data.py

#!/usr/bin/env python

import sys
import os
from optparse import OptionParser


def main():
    parser = OptionParser('%prog')
    parser.add_option('-n', type="int", dest="num_files", default=1,
                      help="number of files to write")
    parser.add_option('-s', type="int", dest="size", default=10,
                      help="size of files to write")
    parser.add_option('-d', type="str", dest="dest_dir", default='rand_data',
                      help="directory path to write files")
    parser.add_option('-p', type="str", dest="prefix", default='Object_',
                      help="file name prefix")
    parser.add_option('-i', type="int", dest="start_idx", default=1,
                      help="Starting index")
    options, args = parser.parse_args()
    num_files = options.num_files
    prefix = options.prefix
    dest_dir = options.dest_dir
    size = options.size
    start_idx = options.start_idx
    os.makedirs(dest_dir, exist_ok=True)
    for i in range(start_idx, start_idx+num_files):
        filename = prefix + str(i)
        filepath = os.path.join(dest_dir, filename)
        with open(filepath, 'wb') as f:
            f.write(os.urandom(size))

if __name__ == "__main__":
    sys.exit(main())