mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-26 03:23:58 +03:00
43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
"""Example of dependency injection and password hashing in Python."""
|
|
|
|
import passlib.hash
|
|
|
|
import dependency_injector.containers as containers
|
|
import dependency_injector.providers as providers
|
|
|
|
|
|
class UsersService:
|
|
"""Users service."""
|
|
|
|
def __init__(self, password_hasher):
|
|
"""Initialize instance."""
|
|
self._password_hasher = password_hasher
|
|
|
|
def create_user(self, name, password):
|
|
"""Create user with hashed password."""
|
|
hashed_password = self._password_hasher(password)
|
|
return dict(name=name, password=hashed_password)
|
|
|
|
|
|
class Container(containers.DeclarativeContainer):
|
|
"""Inversion of control container."""
|
|
|
|
password_hasher = providers.Callable(
|
|
passlib.hash.sha256_crypt.hash,
|
|
salt_size=16,
|
|
rounds=10000)
|
|
|
|
users_service = providers.Factory(
|
|
UsersService,
|
|
password_hasher=password_hasher.provider)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
container = Container()
|
|
users_service = container.users_service()
|
|
|
|
user1 = users_service.create_user(name='Roman', password='secret1')
|
|
user2 = users_service.create_user(name='Vitaly', password='secret2')
|
|
|
|
print(user1, user2)
|