small wrapper around diceware (https://pypi.org/project/diceware) to implement multiple passphrase generation

pwgen-dw.py

#!/usr/bin/env python3

"""
generates multiple random passphrases in one go
https://github.com/ulif/diceware/issues/53

requires diceware: pip install diceware
"""

import os
import sys
import random
from itertools import repeat
import diceware as dw

PASSWORDS = []
ITERATIONS = 1
DEFAULT_ARGS = [ '-c', '-n2' ]

args = sys.argv[1:]
if not args:
    args = DEFAULT_ARGS

if '-i' in args:
    s = args.index('-i')
    ITERATIONS = int(args[s+1])
    del args[s:s+2]

options = dw.handle_options(args)
dw.configure(options.verbose)

try:
    for _ in repeat(None, ITERATIONS):
        PASSWORDS.append(dw.get_passphrase(options))
except (OSError, IOError) as infile_error:
    if getattr(infile_error, 'errno', 0) == ENOENT:
        print("The file '%s' does not exist." % infile_error.filename, file=sys.stderr)
        raise SystemExit(1)
    else:
        raise

print(*PASSWORDS, sep = "\n")

see ulif/diceware#53

Setup

• install diceware pip install diceware
• save script somewhere in your $PATH as e.g. pwgen-dw.py
• make it executable chmod +x pwgen-dw.py
• use the new -i N parameter to specify # of iterations
• optional: change DEFAULT_ARGS to suit your liking

Usage

$ pwgen-dw.py -i 5 -n 3
SpongyWashroomEmu
BuddhismMantisParmesan
ArrayImpedingSkeletal
ChubbyChapsHuddle
EtchingSwarmGatherer