python-dependency-injector/examples/providers/singleton_multiple_containers.py

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2020-09-04 00:57:26 +03:00
"""`Singleton` provider resetting example."""
from dependency_injector import containers, providers
class UserService:
...
class Container(containers.DeclarativeContainer):
user_service_provider = providers.Singleton(UserService)
if __name__ == '__main__':
container1 = Container()
user_service1 = container1.user_service_provider()
assert user_service1 is container1.user_service_provider()
container2 = Container()
user_service2 = container2.user_service_provider()
assert user_service2 is container2.user_service_provider()
assert user_service1 is not user_service2