from fastapi import Depends, FastAPI, Security
from fastapi.security import APIKeyQuery
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

api_key = APIKeyQuery(name="key", description="API Key Query")


class User(BaseModel):
    username: str


def get_current_user(oauth_header: str = Security(api_key)):
    user = User(username=oauth_header)
    return user


@app.get("/users/me")

        td = document.createElement("td");
        tr.appendChild(td);
        td.appendChild(document.createTextNode("Description"));

        for (MethodDoc methodDoc : methods) {
            // <tr>
            //   <td><literal><link linkend="$id">$name</link>$signature</literal></td>
            //   <td>$description</td>
            // </tr>
            tr = document.createElement("tr");
            parent.appendChild(tr);

from ..dependencies import get_token_header

router = APIRouter(
    prefix="/items",
    tags=["items"],
    dependencies=[Depends(get_token_header)],
    responses={404: {"description": "Not found"}},
)


fake_items_db = {"plumbus": {"name": "Plumbus"}, "gun": {"name": "Portal Gun"}}


@router.get("/")
async def read_items():
    return fake_items_db

app = FastAPI()


@app.post("/files/")
async def create_files(
    files: list[bytes] = File(description="Multiple files as bytes"),
):
    return {"file_sizes": [len(file) for file in files]}


@app.post("/uploadfiles/")
async def create_upload_files(
    files: list[UploadFile] = File(description="Multiple files as UploadFile"),
):
    return {"filenames": [file.filename for file in files]}


@app.get("/")

            {
                "item_id": "foo",
                "description": "This is an amazing item that has a long description",
            },
        ),
        (
            "/items/bar?q=somequery",
            {
                "item_id": "bar",
                "q": "somequery",
                "description": "This is an amazing item that has a long description",
            },
        ),
        (

from fastapi import Depends, FastAPI, HTTPException

app = FastAPI()


data = {
    "plumbus": {"description": "Freshly pickled plumbus", "owner": "Morty"},
    "portal-gun": {"description": "Gun to create portals", "owner": "Rick"},
}


class OwnerError(Exception):
    pass


def get_username():
    try:
        yield "Rick"
    except OwnerError as e:
        raise HTTPException(status_code=400, detail=f"Owner error: {e}")

{* ../../docs_src/separate_openapi_schemas/tutorial001_py310.py ln[1:15] hl[14] *}

…то поле `description` **не будет обязательным**, потому что у него значение по умолчанию `None`.

### Входная модель в документации { #input-model-in-docs }

В документации это видно: у поля `description` нет **красной звёздочки** — оно не отмечено как обязательное:

<div class="screenshot">

	}
	code := resp.Header.Get(xhttp.AmzFwdErrorCode)
	if strings.TrimSpace(code) == "" {
		apiErr := errorCodes.ToAPIErr(ErrInvalidRequest)
		apiErr.Description = desc
		return &apiErr
	}
	return &APIError{
		HTTPStatusCode: statusCode,
		Description:    desc,
		Code:           code,
	}
}

// GetObjectLambdaHandler - GET Object with transformed data via lambda functions
// ----------

        self.dependencies = list(dependencies or [])
        self.description = description or inspect.cleandoc(self.endpoint.__doc__ or "")
        # if a "form feed" character (page break) is found in the description text,
        # truncate description text to the content preceding the first "form feed"
        self.description = self.description.split("\f")[0].strip()
        response_fields = {}

                    "summary": "Get Items",
                    "operationId": "get_items_items__get",
                    "responses": {
                        "200": {
                            "description": "Successful Response",
                            "content": {
                                "application/json": {
                                    "schema": {