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

"""`Singleton` provider example."""

from dependency_injector import containers, providers


class UserService:
    ...


class Container(containers.DeclarativeContainer):

    user_service_provider = providers.Singleton(UserService)


if __name__ == '__main__':
    container = Container()

    user_service1 = container.user_service_provider()
    user_service2 = container.user_service_provider()
    assert user_service1 is user_service2
Singleton docs update (#288) * Update docblocks of factory provider examples * Edit singleton docs 2020-09-01 20:04:48 +00:00			"""`Singleton` provider example."""
Adding Singleton docs & making some changes for Factory docs 2015-06-10 09:00:43 +00:00
Add container usage for all singleton provider examples 2020-09-03 20:56:01 +00:00			`from dependency_injector import containers, providers`
Update singleton provider docs 2016-06-08 14:46:40 +00:00
Adding Singleton docs & making some changes for Factory docs 2015-06-10 09:00:43 +00:00
Singleton docs update (#288) * Update docblocks of factory provider examples * Edit singleton docs 2020-09-01 20:04:48 +00:00			`class UserService:`
			`...`
Adding Singleton docs & making some changes for Factory docs 2015-06-10 09:00:43 +00:00

Add container usage for all singleton provider examples 2020-09-03 20:56:01 +00:00			`class Container(containers.DeclarativeContainer):`

			`user_service_provider = providers.Singleton(UserService)`
Adding Singleton docs & making some changes for Factory docs 2015-06-10 09:00:43 +00:00

Singleton docs update (#288) * Update docblocks of factory provider examples * Edit singleton docs 2020-09-01 20:04:48 +00:00			`if __name__ == '__main__':`
Add container usage for all singleton provider examples 2020-09-03 20:56:01 +00:00			`container = Container()`

			`user_service1 = container.user_service_provider()`
			`user_service2 = container.user_service_provider()`
Singleton docs update (#288) * Update docblocks of factory provider examples * Edit singleton docs 2020-09-01 20:04:48 +00:00			`assert user_service1 is user_service2`