"""Flask wiring example."""
from dependency_injector import containers, providers
from dependency_injector.wiring import Provide, inject
from flask import Flask, json
class Service:
...
class Container(containers.DeclarativeContainer):
service = providers.Factory(Service)
@inject
def index_view(service: Service = Provide[Container.service]) -> str:
return json.dumps({"service_id": id(service)})
if __name__ == "__main__":
container = Container()
container.wire(modules=[__name__])
app = Flask(__name__)
app.add_url_rule("/", "index", index_view)
app.run()