betty.associations.optional_to_one module

Optional to-one associations.

final class betty.associations.optional_to_one.OptionalToOne

Bases: OptionalAttr[OwnerT, AssociateT, ToOneAssociate], ProxyAssociation[OwnerT, AssociateT, AssociateT | None, ToOneAssociate | None, DataDefinition[AssociateT | None, PortableData]], Generic

An optional to-one association.

__init__(proxied: ToOne[OwnerT, AssociateT], /)

associate(owner: OwnerT, associate: AssociateT, /) → None

Associate two entities.

disassociate(owner: OwnerT, associate: AssociateT, /) → None

Disassociate two entities.

async dump_linked_data_for(project: Project, target: OwnerT, /) → PortableData

Dump the given target to JSON-LD.

get_associates(owner: OwnerT, /) → Iterable[AssociateT]

Get the associates for the given owner.

resolve(project: Project, owner: OwnerT, /) → None

Resolve any associates the owner may have for this association.