betty.datas.aggregate.collection package

Submodules

• betty.datas.aggregate.collection.keyed module
• betty.datas.aggregate.collection.mapping module
• betty.datas.aggregate.collection.sequence module

Module contents

Collection data types.

class betty.datas.aggregate.collection.CollectionDefinition

Bases: DataDefinition[CollectionT, Porter], ABC, Generic

A homogenous collection data definition.

__init__(*, cls: type[CollectionT] | None = None, item: ResolvableDataDefinition[DataDefinition[Any]], label: ResolvableLocalizable, description: ResolvableLocalizable | None = None, porter: Porter[CollectionT] | None = None, factory: Callable[[], CollectionT] | None = None)

abstractmethod clear(data: CollectionT, /) → None

Clear (remove) all values from the collection.

item: Final[DataDefinition[Any]]

The definition of the items contained by this collection.

final new(values: ValuesSetT | None = None) → CollectionT

Create a new collection.

abstractmethod replace(data: CollectionT, values: ValuesSetT, /) → None

Replace all values in the collection with the given ones.