如果没有类型有效,则引发最后一个异常。 from pydantic import BaseModel, root_validator class Article(BaseModel): text: str | None extra: str | None @root_validator(pre=True) # validate all values before pydantic def has_only_article_fields(cls, data: dict): """Silly and ugly solution to ...
# dataclasses'dataclasses',# class_validators'root_validator','validator',# config'BaseConfig','ConfigDict','Extra',# decorator'validate_arguments',# env_settings'BaseSettings',# error_wrappers'ValidationError',# fields'Field','Required',# main'BaseModel','create_model','validate_model...
class_validators import root_validator app = FastAPI() class Options(BaseModel): a: Optional[int] b: Optional[int] @root_validator() def at_least_one_option(cls, values): if all(opt is None for opt in values.values()): raise HTTPException(422, "At least one option should be enabled...
也可以用下面的Python代码实现中间件：# -*- coding: utf-8 -*-importtimeimportrandomfromfastapiimpor...
from pydantic import BaseModel, Field, ValidationError, validator, root_validator, AnyStr, constr, EmailStr, conlist, condict, confloat, conint, condecimal, PositiveInt, PositiveFloat, NonNegativeInt, NonNegativeFloat, NoneStr, Regex, MinLength, MaxLength, MatchAll, Length, AllItemsAny, AnyItems...
from fastapi import FastAPI app = FastAPI() @app.get("/") async def read_root(): ...
5.2.12 root_validator根验证器126 5.3 Pydantic在FastAPI中的应用127 5.3.1 模型类和Body的请求127 5.3.2 模型类和依赖注入关系128 5.3.3 模型Config类和ORM转化130 第6章 FastAPI依赖注入机制详解133 6.1 依赖注入框架134 6.2 依赖项及其声明方式139 6.2.1 函数式依赖项140 6.2.2 类...
1、安装Flask: pip install Flask 2、创建一个Flask应用: from flask import Flask, render_template, request, jsonify import requests import aiohttp from pydantic import BaseModel, Field, root_validator, EmailStr, constr, AnyUrlStr, conlist, confloat, conint, condecimal, validate_arguments, FilePath...
(BaseModel): province: str city: str class User(BaseModel): name = 'root' age: int = Field(default=0, lt=100, gt=0) birth: Optional[date] = None friends: List[int] = [] description: Union[str, None] = None # addr: Union[Addr, None] = None # 类型嵌套 @validator('name')...
from fastapi import FastAPI from pydantic import BaseModel, root_validator app = FastAPI() class ProfileResponse(BaseModel): @model_validator(mode="after") def debug_usage(self): print("created pydantic model") return self @app.get("/", response_model=ProfileResponse) async def root(): retu...