A Python 3 script which uses the system's dictionaries to generate xkcd-inspired passwords. Inspired by: https://xkcd.com/936/

gen_password.py

#!/usr/bin/python3

import os
import sys
import glob
import codecs
import random

cleanup = lambda x: x.split("/")[0] if "/" in x else x # Some hunspell entries have slashes in the second to last character.

num = 4
if len(sys.argv) > 1:
    try:
        num = int(sys.argv[1])
    except:
        pass

words = list()
dicts = list()

if os.path.exists("/usr/share/hunspell"):
    dicts += glob.glob("/usr/share/hunspell/*.dic")

if os.path.exists("/usr/share/dict"):
    dicts += glob.glob("/usr/share/dict/*-*")

for dictfile in dicts:
    with open(dictfile, encoding="utf-8", errors="ignore") as f:
        [words.append(cleanup(word.strip())) for word in f]

words = list(set(words))
password = ' '.join(random.choice(words) for i in range(num))
print(password)
print("Generated from %d dictionary files." % len(dicts))