def test_json_encoder_to_serializer(self):
serializer_cls = json_encoder_to_serializer(BasicSimpleModelJSONEncoder)
serializer = serializer_cls() # type: Serializer
self.assertIsInstance(serializer, Serializer)
serialized = serializer.serialize(self.simple_model)
encoded = BasicSimpleModelJSONEncoder().default(self.simple_model)
self.assertDictEqual(serialized, encoded)
def __init__(self,
json_property_name=None,
object_property_name: str = None,
object_constructor_parameter_name: str = None,
json_property_getter: Callable[[Dict], Any] = None,
json_property_setter: Callable[[Any, Any], None] = None,
encoder_cls: Union[type, Callable[[], type]] = JSONEncoder,
decoder_cls: Union[type, Callable[[], type]] = JSONDecoder,
optional: bool = False,
**kwargs):
"""
Constructor.
:param json_property_name:
:param object_property_name:
:param object_constructor_parameter_name:
:param json_property_getter:
:param json_property_setter:
:param encoder_cls:
:param decoder_cls:
:param optional:
"""
if json_property_name is not None:
if json_property_getter is not None and json_property_setter is not None:
raise ValueError(
"Redundant `json_property_name` argument given. It has been specified that a "
"serialized property is to be used via the given property name and both a setter and "
"getter of this property has been provided. To avoid confusion, the serialized "
"property cannot be specified in this case.")
if json_property_getter is None:
def json_property_getter(obj_as_json: dict):
if json_property_name not in obj_as_json:
if optional:
return None
else:
raise KeyError(
"No value associated to the non-optional key `%s` in the input JSON: `%s`"
% (json_property_name, obj_as_json))
return obj_as_json[json_property_name]
if json_property_setter is None:
def json_property_setter(obj_as_json: dict, value: Any):
obj_as_json[json_property_name] = value
encoder_as_serializer_cls = json_encoder_to_serializer(encoder_cls)
decoder_as_serializer_cls = json_decoder_to_deserializer(decoder_cls)
super().__init__(object_property_name,
object_constructor_parameter_name,
serialized_property_getter=json_property_getter,
serialized_property_setter=json_property_setter,
serializer_cls=encoder_as_serializer_cls,
deserializer_cls=decoder_as_serializer_cls,
optional=optional,
**kwargs)
def test_json_encoder_to_serializer(self):
serializer_cls = json_encoder_to_serializer(
BasicSimpleModelJSONEncoder)
serializer = serializer_cls() # type: Serializer
self.assertIsInstance(serializer, Serializer)
serialized = serializer.serialize(self.simple_model)
encoded = BasicSimpleModelJSONEncoder().default(self.simple_model)
self.assertDictEqual(serialized, encoded)
def __init__(
self, json_property_name=None, object_property_name: str=None, object_constructor_parameter_name: str=None,
json_property_getter: Callable[[Dict], Any]=None, json_property_setter: Callable[[Any, Any], None]=None,
encoder_cls: Union[type, Callable[[], type]]=JSONEncoder,
decoder_cls: Union[type, Callable[[], type]]=JSONDecoder, optional: bool=False, **kwargs):
"""
Constructor.
:param json_property_name:
:param object_property_name:
:param object_constructor_parameter_name:
:param json_property_getter:
:param json_property_setter:
:param encoder_cls:
:param decoder_cls:
:param optional:
"""
if json_property_name is not None:
if json_property_getter is not None and json_property_setter is not None:
raise ValueError("Redundant `json_property_name` argument given. It has been specified that a "
"serialized property is to be used via the given property name and both a setter and "
"getter of this property has been provided. To avoid confusion, the serialized "
"property cannot be specified in this case.")
if json_property_getter is None:
def json_property_getter(obj_as_json: dict):
if json_property_name not in obj_as_json:
if optional:
return None
else:
raise KeyError("No value associated to the non-optional key `%s` in the input JSON: `%s`"
% (json_property_name, obj_as_json))
return obj_as_json[json_property_name]
if json_property_setter is None:
def json_property_setter(obj_as_json: dict, value: Any):
obj_as_json[json_property_name] = value
encoder_as_serializer_cls = json_encoder_to_serializer(encoder_cls)
decoder_as_serializer_cls = json_decoder_to_deserializer(decoder_cls)
super().__init__(object_property_name, object_constructor_parameter_name,
serialized_property_getter=json_property_getter,
serialized_property_setter=json_property_setter,
serializer_cls=encoder_as_serializer_cls, deserializer_cls=decoder_as_serializer_cls,
optional=optional, **kwargs)
