bcrypt.py

import bcrypt
import six

def get_hashed_password(password):
    if not isinstance(password, six.text_type):
            password = six.text_type(password, "utf-8")
    return bcrypt.hashpw(password, bcrypt.gensalt())

def check_password(password, hashed_password):
    if not isinstance(password, six.text_type):
            password = six.text_type(password, "utf-8")
    return bcrypt.checkpw(password, hashed_password)

def workflow():
    registered_users = dict()
    num_users = 0

    user = {"user": "austin", "password": "banana"}

    registered_users = register_user(user, num_users, registered_users)
    num_users += 1

    is_user_registered(user, registered_users)

def register_user(user, i, db):
    db[i] = {"user": user["user"], "password": get_hashed_password(user["password"])}
    return db

def is_user_registered(user, db):
    for u in db:
        if db[u]["user"] == user["user"]:
            return check_password(user["password"], db[u]["password"])

    return False


print(workflow())