def __getattribute__(self, name: str) -> Any:
values = super().__getattribute__("values")
if name in values:
return values[name]
cls = super().__getattribute__("cls")
fields = object_fields(cls, deserialization=True)
if name in fields:
if fields[name].required:
raise NonTrivialDependency(name)
return fields[name].get_default()
if name == "__class__":
return cls
if name == "__dict__":
return {**values, FIELDS_SET_ATTR: set(values)}
if name == FIELDS_SET_ATTR:
return set(values)
if hasattr(cls, name):
member = getattr(cls, name)
# for classmethod (staticmethod are not handled)
if isinstance(member, MethodType):
return member
if isinstance(member, FunctionType):
return partial(member, self)
if isinstance(member, property):
return member.fget(self) # type: ignore
return member
raise NonTrivialDependency(name)
def test_alias():
assert {name: field.alias
for name, field in object_fields(Data).items()} == {
"not_aliased": "not_aliased",
"not_prefixed": "not_overridden",
"prefixed": "prefixed_prefixed",
"prefixed_alias": "prefixed_alias",
}
def test_invalid_flattened():
with raises(TypeError):
list(
get_deserialization_flattened_aliases(
BadData,
object_fields(BadData)["field"]))
def test_flattened_aliases():
aliases = get_deserialization_flattened_aliases(
Data,
object_fields(Data)["field"],
settings.deserialization.default_conversion)
assert set(aliases) == {"a", "g", "h", "i", "e"}