from fastapi import Depends, FastAPI, Response
from fastapi.testclient import TestClient

app = FastAPI()


def set_cookie(*, response: Response):
    response.set_cookie("cookie-name", "cookie-value")
    return {}


def set_indirect_cookie(*, dep: str = Depends(set_cookie)):
    return dep


@app.get("/directCookie")
def get_direct_cookie(dep: str = Depends(set_cookie)):
    return {"dep": dep}

O pacote <a href="https://github.com/Kludex/python-multipart" class="external-link" target="_blank">`python-multipart`</a> é instalado automaticamente com o **FastAPI** quando você executa o comando `pip install "fastapi[standard]"`.

Entretanto, se você usar o comando `pip install fastapi`, o pacote `python-multipart` não é incluído por padrão.

El paquete <a href="https://github.com/Kludex/python-multipart" class="external-link" target="_blank">`python-multipart`</a> se instala automáticamente con **FastAPI** cuando ejecutas el comando `pip install "fastapi[standard]"`.

Sin embargo, si usas el comando `pip install fastapi`, el paquete `python-multipart` no se incluye por defecto.

from fastapi.testclient import TestClient

from docs_src.metadata.tutorial003_py39 import app

client = TestClient(app)


def test_items():
    response = client.get("/items/")
    assert response.status_code == 200, response.text
    assert response.json() == [{"name": "Foo"}]


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {

from typing import Annotated

from fastapi import Body, FastAPI, status
from fastapi.responses import JSONResponse

app = FastAPI()

items = {"foo": {"name": "Fighters", "size": 6}, "bar": {"name": "Tenders", "size": 3}}


@app.put("/items/{item_id}")
async def upsert_item(
    item_id: str,
    name: Annotated[str | None, Body()] = None,
    size: Annotated[int | None, Body()] = None,
):
    if item_id in items:

from fastapi import FastAPI
from fastapi.testclient import TestClient

swagger_ui_init_oauth = {"clientId": "the-foo-clients", "appName": "The Predendapp"}

app = FastAPI(swagger_ui_init_oauth=swagger_ui_init_oauth)


@app.get("/items/")
async def read_items():
    return {"id": "foo"}


client = TestClient(app)


def test_swagger_ui():
    response = client.get("/docs")
    assert response.status_code == 200, response.text

from typing import Annotated

from fastapi import Body, FastAPI
from pydantic import BaseModel, Field

app = FastAPI()


class Item(BaseModel):
    name: str
    description: str | None = Field(
        default=None, title="The description of the item", max_length=300
    )
    price: float = Field(gt=0, description="The price must be greater than zero")
    tax: float | None = None


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

from typing import Union

from fastapi import Depends, FastAPI

app = FastAPI()


fake_items_db = [{"item_name": "Foo"}, {"item_name": "Bar"}, {"item_name": "Baz"}]


class CommonQueryParams:
    def __init__(self, q: Union[str, None] = None, skip: int = 0, limit: int = 100):
        self.q = q
        self.skip = skip
        self.limit = limit


@app.get("/items/")
async def read_items(commons=Depends(CommonQueryParams)):

from typing import Annotated

from fastapi import Depends, FastAPI, Header, HTTPException

app = FastAPI()


async def verify_token(x_token: Annotated[str, Header()]):
    if x_token != "fake-super-secret-token":
        raise HTTPException(status_code=400, detail="X-Token header invalid")


async def verify_key(x_key: Annotated[str, Header()]):
    if x_key != "fake-super-secret-key":

```

### Configurar el `root_path` en la app de FastAPI { #setting-the-root-path-in-the-fastapi-app }

Alternativamente, si no tienes una forma de proporcionar una opción de línea de comandos como `--root-path` o su equivalente, puedes configurar el parámetro `root_path` al crear tu app de FastAPI:

{* ../../docs_src/behind_a_proxy/tutorial002_py39.py hl[3] *}