Galane VTC password generator

gen_password.py

#!/usr/bin/env python3

import sys
import string
import secrets
alphabet = string.ascii_letters + string.digits

for arg in sys.argv:
    with open(arg, "rt") as fin:
        with open("{}.pwd".format(arg), "wt") as fout:
            for line in fin:
                password = ''.join(secrets.choice(alphabet) for i in range(8))
                fout.write(line.replace('"password":""', '"password":"{}"'.format(password)))