import json
from typing import Type, TypeVar
from jivago.lang.annotations import Override, Serializable
from jivago.lang.registry import Registry
from jivago.serialization.deserializer import Deserializer
from jivago.serialization.serializer import Serializer
BUILTIN_TYPES = (str, float, int)
T = TypeVar('T')
[docs]
class ObjectMapper(object):
def __init__(self, allow_unregistered_types: bool = False):
self.deserializer = Deserializer(
ObjectMapper.__RegistryStub() if allow_unregistered_types else Registry.INSTANCE)
self.serializer = Serializer()
[docs]
def deserialize(self, json_str: str, clazz: Type[T]) -> T:
dictionary = json.loads(json_str)
return self.deserializer.deserialize(dictionary, clazz)
[docs]
def serialize(self, serializable: object) -> str:
dictionary = self.serializer.serialize(serializable)
return json.dumps(dictionary)
class __RegistryStub(Registry):
@Override
def is_annotated(self, object: object, annotation: "Annotation"):
return annotation == Serializable and object not in BUILTIN_TYPES + (dict, list, tuple)