import json
import logging
from typing import Union, TextIO, Optional, Dict, Type, List
from hbreader import FileInfo
from linkml_runtime.loaders.loader_root import Loader
from linkml_runtime.utils.yamlutils import YAMLRoot
from pydantic import BaseModel
[docs]class JSONLoader(Loader):
def load_as_dict(self,
source: Union[str, dict, TextIO],
*,
base_dir: Optional[str] = None,
metadata: Optional[FileInfo] = None) -> Union[dict, List[dict]]:
data = self._read_source(source, base_dir=base_dir, metadata=metadata, accept_header="application/ld+json, application/json, text/json")
data_as_dict = json.loads(data) if isinstance(data, str) else data
return self.json_clean(data_as_dict)
[docs] def load_any(self,
source: Union[str, dict, TextIO],
target_class: Type[Union[BaseModel, YAMLRoot]],
*,
base_dir: Optional[str] = None,
metadata: Optional[FileInfo] = None,
**_) -> Union[BaseModel, YAMLRoot, List[BaseModel], List[YAMLRoot]]:
data_as_dict = self.load_as_dict(source, base_dir=base_dir, metadata=metadata)
if isinstance(data_as_dict, dict):
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._construct_target_class(data_as_dict, target_class)