jsons.deserializers.default_nonetype

Complexity

Total Complexity

2

Size/Duplication

Total Lines	20
Duplicated Lines	0 %

Importance

Changes

0

1 Function

Rating	Name	Duplication	Size	Complexity
A	default_nonetype_deserializer()	0	14	2

from typing import Optional

from jsons.exceptions import DeserializationError


def default_nonetype_deserializer(obj: object,
                                  cls: Optional[type] = None,
                                  **kwargs) -> object:
    """
    Deserialize a ``NoneType``.
    :param obj: the value that is to be deserialized.
    :param cls: not used.
    :param kwargs: not used.
    :return: ``obj``.
    """
    if obj is not None:
        raise DeserializationError('Cannot deserialize {} as NoneType'
                                   .format(obj), source=obj, target=cls)
    return obj