Create a base64 string for a file

b64_encode.py

import argparse
import base64

def main(args):
     file_content = None
    with open(args.input, 'rb') as f:
        file_content = f.read()

    b64_content = base64.b64encode(file_content)

    with open(args.output, 'w') as f:
        f.write(b64_content.decode('utf-8'))

if __name__ == '__main__':
    parser = argparse.ArgumentParser()
    parser.add_argument('-i', '--input', required=True, help='Input file')
    parser.add_argument('-o', '--output', required=True, help='Output file')
    main(parser.parse_args())