Test speeds of different Django password hashing functions

hash_benchmark.py

#!/usr/bin/env python
import os
import time
from django.contrib.auth.hashers import make_password

os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'settings')

class Timer(object):
    def __init__(self, name, iterations):
        self.name = name
        self.iterations = iterations
    def __enter__(self): 
        self.start = time.time()
    def __exit__(self, *args):
        total = time.time() - self.start
        print "{0}: {1} iterations in {2} seconds".format(self.name, self.iterations, total)

def time_hasher(hasher, iterations):
    with Timer(hasher):
        for i in range(iterations):
            make_password('password', hasher=hasher)

time_hasher('sha1', 1000)
time_hasher('pbkdf2_sha256', 1000)