def decode_json_object(data: dict) -> Do:
m = Map(data)
tpe_s = yield m.lift(tpe_key).to_either(
f'no `{tpe_key}` attr in json object {m}')
tpe = yield Either.import_path(tpe_s)
dec = yield Decoder.e(tpe)
yield dec.decode(tpe, m)
def run(data: Json) -> Do:
mod_field = yield data.field('mod')
mod_path = yield mod_field.as_scalar
names_field = yield data.field('names')
names_json = yield names_field.as_array
names = Lists.wrap(names_json.native)
mod = yield (Either.import_module(mod_path.native) if isinstance(
mod_path.native, str) else Left(
JsonError(data, 'module is not a string')))
yield names.fold_m(Right(mod))(Either.getattr)
def decode(self, tpe: Type[Sub], data: JsonObject) -> Do:
sub_json = yield data.field(tpe_key)
sub = yield sub_json.as_scalar
sub_type = yield Either.import_path(sub.native)
yield decode_dat(sub_type, data)
def _either(self, result: Either, status=404):
return result.map(lambda a: "ok").right_or_map(L(error)(_, status))
def select_type(type_info: TypeInfo) -> Do:
mod = yield Either.import_module(type_info.module)
yield type_info.names.fold_m(Right(mod))(Either.getattr)
def decode_json_object(data: dict) -> Generator:
m = Map(data)
tpe_s = yield m.get('__type__').to_either(f'no `__type__` attr in json object {m}')
tpe = yield Either.import_path(tpe_s)
dec = yield Decoder.e(tpe)
yield dec.decode(tpe, m)