mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-25 19:14:00 +03:00
28 lines
630 B
Python
28 lines
630 B
Python
|
"""`Singleton` provider resetting context manager example."""
|
||
|
|
|
||
|
|
from dependency_injector import containers, providers
|
||
|
|
|
||
|
|
|
||
|
|
class UserService:
|
||
|
|
...
|
||
|
|
|
||
|
|
|
||
|
|
class Container(containers.DeclarativeContainer):
|
||
|
|
|
||
|
|
user_service = providers.Singleton(UserService)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
container = Container()
|
||
|
|
|
||
|
|
user_service1 = container.user_service()
|
||
|
|
|
||
|
|
with container.user_service.reset():
|
||
|
|
user_service2 = container.user_service()
|
||
|
|
|
||
|
|
user_service3 = container.user_service()
|
||
|
|
|
||
|
|
assert user_service1 is not user_service2
|
||
|
|
assert user_service2 is not user_service3
|
||
|
|
assert user_service3 is not user_service1
|