from typing import Union

from fastapi import Body, FastAPI
from pydantic import BaseModel
from typing_extensions import Annotated

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None


class User(BaseModel):
    username: str
    full_name: Union[str, None] = None


@app.put("/items/{item_id}")
async def update_item(

import vcsroots.gradlePromotionMaster
import vcsroots.useAbsoluteVcs

// Gradle_Master_Promotion_SanityCheck
object SanityCheck : BuildType({
    id("Promotion_SanityCheck")
    name = "SanityCheck"
    description = "Sanity check for promotion project"

    vcs.useAbsoluteVcs(gradlePromotionMaster)

    steps {
        gradleWrapper {
            tasks = "tasks"
            gradleParams = ""

Вы можете настроить `Form` точно так же, как настраиваете и  `Body` ( `Query`, `Path`, `Cookie`), включая валидации, примеры, псевдонимы (например, `user-name` вместо `username`) и т.д.

/// info | "Дополнительная информация"

`Form` - это класс, который наследуется непосредственно от `Body`.

///

/// tip | "Подсказка"

import pytest
from fastapi.testclient import TestClient

from tests.utils import needs_py39, needs_pydanticv1


@pytest.fixture(name="client")
def get_client():
    from docs_src.request_form_models.tutorial002_pv1_an_py39 import app

    client = TestClient(app)
    return client


# TODO: remove when deprecating Pydantic v1
@needs_pydanticv1
@needs_py39
def test_post_body_form(client: TestClient):

import pytest
from fastapi import FastAPI
from fastapi.testclient import TestClient
from fastapi.websockets import WebSocketDisconnect

from ...utils import needs_py39


@pytest.fixture(name="app")
def get_app():
    from docs_src.websockets.tutorial002_an_py39 import app

    return app


@needs_py39
def test_main(app: FastAPI):
    client = TestClient(app)
    response = client.get("/")

      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

   Copyright [yyyy] [name of copyright owner]

   Licensed under the Apache License, Version 2.0 (the "License");

      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

   Copyright {yyyy} {name of copyright owner}

   Licensed under the Apache License, Version 2.0 (the "License");

      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

   Copyright [yyyy] [name of copyright owner]

   Licensed under the Apache License, Version 2.0 (the "License");

      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

   Copyright [yyyy] [name of copyright owner]

   Licensed under the Apache License, Version 2.0 (the "License");

      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

   Copyright {yyyy} {name of copyright owner}

   Licensed under the Apache License, Version 2.0 (the "License");