sha512deep.py

#!/usr/bin/env python

import os
import subprocess
import sys

def main():
    source = sys.argv[1]
    total_file_count = 0
    print 'Determining number of files to be processed'
    for root, directories, filenames in os.walk(source):
        for files in filenames:
            total_file_count +=1
    progress_counter = 1
    manifest = os.path.dirname(source) + '/manifest_sha512.txt'
    for root, directories, filenames in os.walk(source):
        for files in filenames:
                print 'processing %s - %d of %d' % (files, progress_counter, total_file_count)
                sha512 = subprocess.check_output(['openssl', 'sha512', '-r', os.path.join(root, files)])
                root2 = root.replace(os.path.dirname(source), '')
                with open(manifest, "ab") as fo:
                    fo.write(sha512[:128] + ' ' + os.path.join(root2,files ).replace("\\", "/") + '\n')
                progress_counter += 1
    print 'Manifest created in %s' % manifest
if __name__ == '__main__':
    main()