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)
[docs]class BuiltInTypeDeserializationStrategy(DeserializationStrategy):
[docs] @Override
def can_handle_deserialization(self, declared_type: type) -> bool:
return type(declared_type) == type and issubclass(declared_type, BUILTIN_TYPES)
[docs] @Override
def deserialize(self, obj, declared_type: Type[T]) -> T:
if obj is None:
raise IncorrectAttributeTypeException()
return declared_type(obj)