load stored SSH passwords

ssp.py

#!/usr/bin/env python3

import sys
import os
import re
from pathlib import Path

def main():
    args = list(sys.argv)[1:]
    password = None
    with open(os.path.join(Path.home(), '.ssh', 'stored_passwords')) as f:
        for l in f:
            l = l.rstrip('\n')
            parts = l.split(None, 1)
            if len(parts) == 2 and any(re.match(parts[0] + r'($|:)', arg) for arg in args):
                password = parts[1]
                break
    if password is None:
        os.execvp(args[0], args)
    else:
        os.environ['SSHPASS'] = password
        os.execvpe('sshpass', ['sshpass', '-e'] + args, os.environ)

if __name__ == '__main__':
    main()