Python Make Encrypted Copy of Files With Extension

make-encrypted-copy.py

# GPG (GNU Privacy Guard)
# Make Encrypted Copy of Files With Extension

import os

input_dir = '/share/backups/'
output_dir = '/share/backups/encrypted/'
passphrase = '/share/backups/passphrase.txt'
extensions = {'.zip','.bak'}

path_matches = []

# get paths of files matching extension recusively
for root, dirs, files in os.walk(input_dir):
    for file in files:
        for i, extension in enumerate(extensions):
                if file.endswith(extension):
                     path_matches.append(os.path.join(root, file))

# encrypt each file found to new directory
for file_input_path in path_matches:
        file_output_path = file_input_path.replace(input_dir, output_dir, 1)
        file_output_dir = os.path.dirname(file_output_path)

        # make directory, if not exist
        if not os.path.exists(file_output_dir):
                print('Make folder ' + file_output_dir)
                os.makedirs(file_output_dir)

        print('Encrypting ' + file_input_path + ' to ' + file_output_path);

        # process as batch to automatically rewrite files
        os.system('gpg --cipher-algo AES256 --batch --yes --passphrase ' + passphrase + ' --output ' + file_output_path + '.gpg --symmetric ' + file_input_path)

passphrase.txt

INSERT YOUR PASSPHRASE HERE