pythonasyncioapiasyncfastapiframeworkjsonjson-schemaopenapiopenapi3pydanticpython-typespython3redocreststarletteswaggerswagger-uiuvicornweb
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97 lines
3.1 KiB
97 lines
3.1 KiB
from enum import Enum
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from types import GeneratorType
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from typing import Any, Set
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from pydantic import BaseModel
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from pydantic.json import ENCODERS_BY_TYPE
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def jsonable_encoder(
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obj: Any,
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include: Set[str] = None,
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exclude: Set[str] = set(),
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by_alias: bool = False,
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include_none: bool = True,
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custom_encoder: dict = {},
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sqlalchemy_safe: bool = True,
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) -> Any:
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if isinstance(obj, BaseModel):
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encoder = getattr(obj.Config, "json_encoders", custom_encoder)
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return jsonable_encoder(
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obj.dict(include=include, exclude=exclude, by_alias=by_alias),
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include_none=include_none,
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custom_encoder=encoder,
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sqlalchemy_safe=sqlalchemy_safe,
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)
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if isinstance(obj, Enum):
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return obj.value
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if isinstance(obj, (str, int, float, type(None))):
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return obj
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if isinstance(obj, dict):
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encoded_dict = {}
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for key, value in obj.items():
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if (
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(
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not sqlalchemy_safe
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or (not isinstance(key, str))
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or (not key.startswith("_sa"))
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)
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and (value is not None or include_none)
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and ((include and key in include) or key not in exclude)
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):
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encoded_key = jsonable_encoder(
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key,
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by_alias=by_alias,
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include_none=include_none,
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custom_encoder=custom_encoder,
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sqlalchemy_safe=sqlalchemy_safe,
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)
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encoded_value = jsonable_encoder(
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value,
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by_alias=by_alias,
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include_none=include_none,
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custom_encoder=custom_encoder,
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sqlalchemy_safe=sqlalchemy_safe,
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)
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encoded_dict[encoded_key] = encoded_value
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return encoded_dict
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if isinstance(obj, (list, set, frozenset, GeneratorType, tuple)):
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encoded_list = []
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for item in obj:
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encoded_list.append(
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jsonable_encoder(
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item,
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include=include,
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exclude=exclude,
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by_alias=by_alias,
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include_none=include_none,
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custom_encoder=custom_encoder,
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sqlalchemy_safe=sqlalchemy_safe,
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)
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)
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return encoded_list
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errors = []
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try:
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if custom_encoder and type(obj) in custom_encoder:
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encoder = custom_encoder[type(obj)]
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else:
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encoder = ENCODERS_BY_TYPE[type(obj)]
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return encoder(obj)
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except KeyError as e:
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errors.append(e)
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try:
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data = dict(obj)
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except Exception as e:
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errors.append(e)
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try:
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data = vars(obj)
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except Exception as e:
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errors.append(e)
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raise ValueError(errors)
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return jsonable_encoder(
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data,
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by_alias=by_alias,
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include_none=include_none,
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custom_encoder=custom_encoder,
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sqlalchemy_safe=sqlalchemy_safe,
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)
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