Exports your bitwarden passwords as temporary json, encrypts and uploads the file to your MEGA

bw-backup.py

#!/usr/bin/python3
# both megacmd and bw-cli need to be installed and configured before running this script
# bw-cli from snap needs to be configured in order to write in the /tmp folder

# files will be uploaded in the /bw folder on MEGA

import sys 
import os
import subprocess
from getpass import getpass
from datetime import datetime

def exec(cmd):
    return subprocess.check_output(args=cmd, shell=True).decode('utf-8').strip()

if __name__ == '__main__':
    print('Runnign backup...')
    filename = datetime.now().strftime("%m-%d-%Y_%H:%M:%S")
    filename = 'bw-backup_' + filename

    pwd = getpass('Enter Bitwarden password: ')

    session = None

    try:
        session = exec(f'bw unlock {pwd} --raw')
    except Exception as e:
        print('Failed to unlock your Bitwarden vault')
        sys.exit(1)
    
    try:
        exec(f'bw sync --session {session}')
        exec(f'bw export --output /tmp/{filename}.json --format json --session {session}')
        exec(f'gpg --batch --passphrase {pwd} --symmetric /tmp/{filename}.json')
        exec(f'mega-put -c /tmp/{filename}.json.gpg bw/{filename}.json.gpg')
        exec('bw lock')
        exec('mega-quit')
    except Exception as e:
        print(e)
    finally:
        if os.path.exists(f'/tmp/{filename}.json'):
            exec(f'rm /tmp/{filename}.json')

        if os.path.exists(f'/tmp/{filename}.json.gpg'):
            exec(f'rm /tmp/{filename}.json.gpg')