Generate random password

random-password.py

import random
import string
import sys
import time
import os

args = sys.argv[1:]

SLEEP_TIME = 0.01
LIMIT = 10
size = 20
if len(args) > 0:
    size = int(args[0])

CHARS = string.lowercase[0:26] + string.uppercase[0:26] + string.digits[0:10]
CHARS = string.lowercase[0:6] + string.digits[0:10]

# Disable output buffering
sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)

sys.stdout.write("\n      ")

w = ''
for i in range(0, size):
    d = ''
    for j in range(1, LIMIT):
        d = random.SystemRandom().choice(CHARS)
        sys.stdout.write(d)
        time.sleep(SLEEP_TIME)
        sys.stdout.write('^H')
    sys.stdout.write(d)
    w += d

sys.stdout.write("\n\n")