ServiceCollection

Collection of service descriptors provided during configuration.

add_auto_activated_keyed_singleton

add_auto_activated_keyed_singleton(
    service_key: TKey | None, service_type: type[TService]
) -> None

add_auto_activated_keyed_singleton(
    service_key: TKey | None,
    service_type: type[TService],
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter],
        Awaitable[TService],
    ],
) -> None

add_auto_activated_keyed_singleton(
    service_key: TKey | None,
    service_type: type[TService],
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter], TService
    ],
) -> None

add_auto_activated_keyed_singleton(
    service_key: TKey | None,
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter],
        Awaitable[TService],
    ],
) -> None

add_auto_activated_keyed_singleton(
    service_key: TKey | None,
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter], TService
    ],
) -> None

add_auto_activated_keyed_singleton(
    service_key: TKey | None,
    service_type: type[TService],
    implementation_type: type,
) -> None

add_auto_activated_keyed_singleton(
    service_key: TKey | None,
    service_type: type[TService],
    implementation_instance: object,
) -> None

Add an auto-activated keyed singleton service.

An auto-activated keyed singleton service is instantiated when the service provider is built (eagerly), rather than when it's first requested (lazily).

add_auto_activated_singleton

add_auto_activated_singleton(
    service_type: type[TService],
) -> None

add_auto_activated_singleton(
    service_type: type[TService],
    implementation_factory: Callable[
        ..., Awaitable[TService]
    ],
) -> None

add_auto_activated_singleton(
    service_type: type[TService],
    implementation_factory: Callable[..., TService],
) -> None

add_auto_activated_singleton(
    implementation_factory: Callable[
        ..., Awaitable[TService]
    ],
) -> None

add_auto_activated_singleton(
    implementation_factory: Callable[..., TService],
) -> None

add_auto_activated_singleton(
    service_type: type[TService], implementation_type: type
) -> None

add_auto_activated_singleton(
    service_type: type[TService],
    implementation_instance: object,
) -> None

Add an auto-activated singleton service.

An auto-activated singleton service is instantiated when the service provider is built (eagerly), rather than when it's first requested (lazily).

add_keyed_scoped

add_keyed_scoped(
    service_key: TKey | None, service_type: type[TService]
) -> None

add_keyed_scoped(
    service_key: TKey | None,
    service_type: type[TService],
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter],
        Awaitable[TService],
    ],
) -> None

add_keyed_scoped(
    service_key: TKey | None,
    service_type: type[TService],
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter], TService
    ],
) -> None

add_keyed_scoped(
    service_key: TKey | None,
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter],
        Awaitable[TService],
    ],
) -> None

add_keyed_scoped(
    service_key: TKey | None,
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter], TService
    ],
) -> None

add_keyed_scoped(
    service_key: TKey | None,
    service_type: type[TService],
    implementation_type: type,
) -> None

Add a keyed scoped service.

add_keyed_singleton

add_keyed_singleton(
    service_key: TKey | None, service_type: type[TService]
) -> None

add_keyed_singleton(
    service_key: TKey | None,
    service_type: type[TService],
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter],
        Awaitable[TService],
    ],
) -> None

add_keyed_singleton(
    service_key: TKey | None,
    service_type: type[TService],
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter], TService
    ],
) -> None

add_keyed_singleton(
    service_key: TKey | None,
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter],
        Awaitable[TService],
    ],
) -> None

add_keyed_singleton(
    service_key: TKey | None,
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter], TService
    ],
) -> None

add_keyed_singleton(
    service_key: TKey | None,
    service_type: type[TService],
    implementation_type: type,
) -> None

add_keyed_singleton(
    service_key: TKey | None,
    service_type: type[TService],
    implementation_instance: object,
) -> None

Add a keyed singleton service.

add_keyed_transient

add_keyed_transient(
    service_key: TKey | None, service_type: type[TService]
) -> None

add_keyed_transient(
    service_key: TKey | None,
    service_type: type[TService],
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter],
        Awaitable[TService],
    ],
) -> None

add_keyed_transient(
    service_key: TKey | None,
    service_type: type[TService],
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter], TService
    ],
) -> None

add_keyed_transient(
    service_key: TKey | None,
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter],
        Awaitable[TService],
    ],
) -> None

add_keyed_transient(
    service_key: TKey | None,
    implementation_factory: Callable[
        [TKey | None, *TFactoryParameter], TService
    ],
) -> None

add_keyed_transient(
    service_key: TKey | None,
    service_type: type[TService],
    implementation_type: type,
) -> None

Add a keyed transient service.

add_scoped

add_scoped(service_type: type[TService]) -> None

add_scoped(
    service_type: type[TService],
    implementation_factory: Callable[
        ..., Awaitable[TService]
    ],
) -> None

add_scoped(
    service_type: type[TService],
    implementation_factory: Callable[..., TService],
) -> None

add_scoped(
    implementation_factory: Callable[
        ..., Awaitable[TService]
    ],
) -> None

add_scoped(
    implementation_factory: Callable[..., TService],
) -> None

add_scoped(
    service_type: type[TService], implementation_type: type
) -> None

Add a scoped service.

add_singleton

add_singleton(service_type: type[TService]) -> None

add_singleton(
    service_type: type[TService],
    implementation_factory: Callable[
        ..., Awaitable[TService]
    ],
) -> None

add_singleton(
    service_type: type[TService],
    implementation_factory: Callable[..., TService],
) -> None

add_singleton(
    implementation_factory: Callable[
        ..., Awaitable[TService]
    ],
) -> None

add_singleton(
    implementation_factory: Callable[..., TService],
) -> None

add_singleton(
    service_type: type[TService], implementation_type: type
) -> None

add_singleton(
    service_type: type[TService],
    implementation_instance: object,
) -> None

Add a singleton service.

add_transient

add_transient(service_type: type[TService]) -> None

add_transient(
    service_type: type[TService],
    implementation_factory: Callable[
        ..., Awaitable[TService]
    ],
) -> None

add_transient(
    service_type: type[TService],
    implementation_factory: Callable[..., TService],
) -> None

add_transient(
    implementation_factory: Callable[
        ..., Awaitable[TService]
    ],
) -> None

add_transient(
    implementation_factory: Callable[..., TService],
) -> None

add_transient(
    service_type: type[TService], implementation_type: type
) -> None

Add a transient service.

build_service_provider

build_service_provider(
    validate_scopes: bool = True,
    validate_on_build: bool = True,
) -> ServiceProvider

Create a :class:ServiceProvider containing services from the provided :class:ServiceCollection.

configure_fastapi

configure_fastapi(app: FastAPI) -> None

Configure the FastAPI application to use dependency injection using the services from this service collection.

enable_keyed_singleton_auto_activation

enable_keyed_singleton_auto_activation(
    service_key: object | None, service_type: type
) -> None

Mark a registered keyed singleton service as auto-activated.

An auto-activated keyed singleton service is instantiated when the service provider is built (eagerly), rather than when it's first requested (lazily).

enable_singleton_auto_activation

enable_singleton_auto_activation(
    service_type: type,
) -> None

Mark a registered singleton service as auto-activated.

An auto-activated singleton service is instantiated when the service provider is built (eagerly), rather than when it's first requested (lazily).