betty.porters.record_mapping module

Porters for records as mappings.

final class betty.porters.record_mapping.RecordMappingPorter

Bases: RecordPorter[DataClsT, Element[str]], Generic

Load and dump a record from and to portable mappings.

__init__(record: RecordDefinition[DataClsT, ElementT], /)

dump(data: DataClsT, /) → PortableMapping

Dump data to its portable form.

dump_key(data: DataClsT, key: ElementT, /) → tuple[str, PortableData]

Dump the data to portable data and a portable primary key.

load(portable: PortableData, /) → DataClsT

Load data from its portable form.

load_key(portable: PortableData, key: ElementT, portable_key: str, /) → DataClsT

Create a new data instance from portable data and a portable primary key.

Raises:

betty.exception.HumanFacingException – Raised if the portable data is invalid.