from enum import Enum from types import GeneratorType from typing import Any, Set from pydantic import BaseModel from pydantic.json import ENCODERS_BY_TYPE def jsonable_encoder( obj: Any, include: Set[str] = None, exclude: Set[str] = set(), by_alias: bool = False, include_none: bool = True, custom_encoder: dict = {}, ) -> Any: if isinstance(obj, BaseModel): encoder = getattr(obj.Config, "json_encoders", custom_encoder) return jsonable_encoder( obj.dict(include=include, exclude=exclude, by_alias=by_alias), include_none=include_none, custom_encoder=encoder, ) if isinstance(obj, Enum): return obj.value if isinstance(obj, (str, int, float, type(None))): return obj if isinstance(obj, dict): return { jsonable_encoder( key, by_alias=by_alias, include_none=include_none, custom_encoder=custom_encoder, ): jsonable_encoder( value, by_alias=by_alias, include_none=include_none, custom_encoder=custom_encoder, ) for key, value in obj.items() if value is not None or include_none } if isinstance(obj, (list, set, frozenset, GeneratorType, tuple)): return [ jsonable_encoder( item, include=include, exclude=exclude, by_alias=by_alias, include_none=include_none, custom_encoder=custom_encoder, ) for item in obj ] errors = [] try: if custom_encoder and type(obj) in custom_encoder: encoder = custom_encoder[type(obj)] else: encoder = ENCODERS_BY_TYPE[type(obj)] return encoder(obj) except KeyError as e: errors.append(e) try: data = dict(obj) except Exception as e: errors.append(e) try: data = vars(obj) except Exception as e: errors.append(e) raise ValueError(errors) return jsonable_encoder(data, by_alias=by_alias, include_none=include_none)