filters.py

import hashlib
import random

class FilterModule(object):
    def salt(self):
        ALPHABET = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
        chars=[]
        for i in range(16):
            chars.append(random.choice(ALPHABET))

        return "".join(chars)

    def setup_password(self, password):
        md5 = hashlib.md5()
        sha1 = hashlib.sha1()

        md5.update(self.salt())
        salt = md5.hexdigest()

        sha1.update(salt + ":" + password)
        return salt + ":" + sha1.hexdigest()

    def filters(self):
        return {
            'setup_password': self.setup_password
        }