import json
import logging
from typing import Union, TextIO, Optional, Dict, Type
from hbreader import FileInfo
from linkml_runtime.loaders.loader_root import Loader
from linkml_runtime.utils.yamlutils import YAMLRoot
[docs]class JSONLoader(Loader):
def load(self, source: Union[str, dict, TextIO], target_class: Type[YAMLRoot], *, base_dir: Optional[str] = None,
metadata: Optional[FileInfo] = None, **_) -> YAMLRoot:
def loader(data: Union[str, dict], _: FileInfo) -> Optional[Dict]:
data_as_dict = json.loads(data) if isinstance(data, str) else data
typ = data_as_dict.pop('@type', None)
if typ and typ != target_class.__name__:
logging.warning(f"Warning: input type mismatch. Expected: {target_class.__name__}, Actual: {typ}")
return self.json_clean(data_as_dict)
if not metadata:
metadata = FileInfo()
if base_dir and not metadata.base_path:
metadata.base_path = base_dir
return self.load_source(source, loader, target_class,
accept_header="application/ld+json, application/json, text/json", metadata=metadata)