python-dependency-injector/examples/miniapps/password-hashing/example.py
2020-09-07 11:51:17 -04:00

51 lines
1.1 KiB
Python

"""Password hashing example."""
from typing import Callable, Dict
import passlib.hash
from dependency_injector import containers, providers
class UserService:
def __init__(self, password_hasher: Callable[[str], str]) -> None:
self._password_hasher = password_hasher
def create_user(self, name: str, password: str) -> Dict[str, str]:
hashed_password = self._password_hasher(password)
return {
'name': name,
'password': hashed_password,
}
class Container(containers.DeclarativeContainer):
config = providers.Configuration()
password_hasher = providers.Callable(
passlib.hash.sha256_crypt.hash,
salt_size=config.salt_size,
rounds=config.rounds,
)
user_service = providers.Factory(
UserService,
password_hasher=password_hasher.provider,
)
if __name__ == '__main__':
container = Container(
config={
'salt_size': 16,
'rounds': 10000,
},
)
user_service = container.user_service()
user = user_service.create_user(name='Roman', password='secret1')
print(user)