Source code for jivago.serialization.deserialization.built_in_type_deserialization_strategy

from typing import Type

from jivago.lang.annotations import Override
from jivago.lang.stream import Stream
from jivago.serialization.deserialization_strategy import DeserializationStrategy, T
from jivago.wsgi.invocation.incorrect_attribute_type_exception import IncorrectAttributeTypeException

BUILTIN_TYPES = (str, float, int, bool)




class BuiltInTypeDeserializationStrategy(DeserializationStrategy):



    @Override
    def can_handle_deserialization(self, declared_type: type) -> bool:
        return type(declared_type) == type and issubclass(declared_type, BUILTIN_TYPES)




    @Override
    def deserialize(self, obj, declared_type: Type[T]) -> T:
        if obj is None:
            raise IncorrectAttributeTypeException()
        return declared_type(obj)