python-dependency-injector/examples/miniapps/fastapi-sqlalchemy/webapp/containers.py

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"""Containers module."""
from dependency_injector import containers, providers
from .database import Database
from .repositories import UserRepository
from .services import UserService
class Container(containers.DeclarativeContainer):
config = providers.Configuration()
db = providers.Singleton(Database, db_url=config.db.url)
user_repository = providers.Factory(
UserRepository,
session_factory=db.provided.session,
)
user_service = providers.Factory(
UserService,
user_repository=user_repository,
)