dependency_injector.containers

Containers module.

class dependency_injector.containers.DeclarativeContainer

Bases: object

Declarative inversion of control container.

class Services(DeclarativeContainer):
    auth = providers.Factory(AuthService)
    users = providers.Factory(UsersService,
                              auth_service=auth)
instance_type

alias of DynamicContainer

classmethod override(overriding)

Override current container by overriding container.

Parameters:overriding (DeclarativeContainer) – Overriding container.
Raise:dependency_injector.errors.Error if trying to override container by itself or its subclasses
Return type:None
provider_type

alias of dependency_injector.providers.Provider

classmethod reset_last_overriding()

Reset last overriding provider for each container providers.

Return type:None
classmethod reset_override()

Reset all overridings for each container providers.

Return type:None
classmethod resolve_provider_name(provider_to_resolve)

Try to resolve provider name by its instance.

class dependency_injector.containers.DeclarativeContainerMetaClass

Bases: type

Declarative inversion of control container meta class.

mro()

Return a type’s method resolution order.

class dependency_injector.containers.DynamicContainer

Bases: object

Dynamic inversion of control container.

services = DynamicContainer()
services.auth = providers.Factory(AuthService)
services.users = providers.Factory(UsersService,
                                   auth_service=services.auth)
providers

Read-only dictionary of all providers.

Type:dict[str, dependency_injector.providers.Provider]
overridden

Tuple of overriding containers.

Type:tuple[DynamicContainer]
provider_type

Type of providers that could be placed in container.

Type:type
init_resources

Initialize all container resources.

override

Override current container by overriding container.

Parameters:overriding (DynamicContainer) – Overriding container.
Raise:dependency_injector.errors.Error if trying to override container by itself
Return type:None
override_providers

Override container providers.

Parameters:overriding_providers (dict[str, dependency_injector.providers.Provider]) – Dictionary of providers
Return type:None
reset_last_overriding

Reset last overriding provider for each container providers.

Return type:None
reset_override

Reset all overridings for each container providers.

Return type:None
set_providers

Set container providers.

Parameters:providers (dict[str, dependency_injector.providers.Provider]) – Dictionary of providers
Return type:None
shutdown_resources

Shutdown all container resources.

unwire

Unwire container providers from previously wired packages and modules.

wire

Wire container providers with provided packages and modules.

Return type:None
dependency_injector.containers.copy()

DeclarativeContainer copying decorator.

This decorator copy all providers from provided container to decorated one. If one of the decorated container providers matches to source container providers by name, it would be replaced by reference.

Parameters:container (DeclarativeContainer) – Container that should be copied by decorated container.
Returns:Declarative container’s copying decorator.
Return type:callable(DeclarativeContainer)
dependency_injector.containers.is_container()

Check if instance is container instance.

Parameters:instance (object) – Instance to be checked.
Return type:bool
dependency_injector.containers.override()

DeclarativeContainer overriding decorator.

Parameters:container (DeclarativeContainer) – Container that should be overridden by decorated container.
Returns:Declarative container’s overriding decorator.
Return type:callable(DeclarativeContainer)