"description": "Return the JSON item or an image.",
        }
    },
)
async def read_item(item_id: str, img: Union[bool, None] = None):
    if img:
        return FileResponse("image.png", media_type="image/png")
    else:

from typing import Any

import orjson
from fastapi import FastAPI, Response

app = FastAPI()


class CustomORJSONResponse(Response):
    media_type = "application/json"

    def render(self, content: Any) -> bytes:
        assert orjson is not None, "orjson must be installed"
        return orjson.dumps(content, option=orjson.OPT_INDENT_2)


@app.get("/", response_class=CustomORJSONResponse)
async def main():

http://127.0.0.1:8000/items/?skip=20
```

Os valores dos parâmetros na sua função serão:

* `skip=20`: Por que você definiu isso na URL
* `limit=10`: Por que esse era o valor padrão

## Parâmetros opcionais

Da mesma forma, você pode declarar parâmetros de consulta opcionais, definindo o valor padrão para `None`:

=== "Python 3.10+"

    ```Python hl_lines="7"
    {!> ../../../docs_src/query_params/tutorial002_py310.py!}
    ```

vu
com.vu
edu.vu
net.vu
org.vu

// wf : http://www.afnic.fr/medias/documents/AFNIC-naming-policy2012.pdf
wf

// ws : https://en.wikipedia.org/wiki/.ws
// http://samoanic.ws/index.dhtml
ws
com.ws
net.ws
org.ws
gov.ws
edu.ws

// yt : http://www.afnic.fr/medias/documents/AFNIC-naming-policy2012.pdf
yt

// IDN ccTLDs

FCE4          ; mapped                 ; 062A 0647     # 1.1  ARABIC LIGATURE TEH WITH HEH MEDIAL FORM
FCE5          ; mapped                 ; 062B 0645     # 1.1  ARABIC LIGATURE THEH WITH MEEM MEDIAL FORM
FCE6          ; mapped                 ; 062B 0647     # 1.1  ARABIC LIGATURE THEH WITH HEH MEDIAL FORM
FCE7          ; mapped                 ; 0633 0645     # 1.1  ARABIC LIGATURE SEEN WITH MEEM MEDIAL FORM

     * is pointing to. If the input source is a file or a byte stream then
     * this is the byte offset into that stream, but if the input source is
     * a character media then the offset is the character offset.
     * Returns -1 if there is no offset available.
     * @return the current offset
     */
    int getCharacterOffset();

    /**
     * Returns the public ID of the XML

class PlaneItem(BaseItem):
    type: str = "plane"
    size: int


items = {
    "item1": {"description": "All my friends drive a low rider", "type": "car"},
    "item2": {
        "description": "Music is my aeroplane, it's my aeroplane",
        "type": "plane",
        "size": 5,
    },
}


@app.get("/items/{item_id}", response_model=Union[PlaneItem, CarItem])
async def read_item(item_id: str):

    response_model=Item,
    responses={**responses, 200: {"content": {"image/png": {}}}},
)
async def read_item(item_id: str, img: Union[bool, None] = None):
    if img:
        return FileResponse("image.png", media_type="image/png")
    else:

* Utilize os mesmos exemplos Python e somente traduza o texto na documentação. Você não tem que alterar nada no código para que funcione.

* Utilize as mesmas imagens, nomes de arquivo e links. Você não tem que alterar nada disso para que funcione.

from fastapi import FastAPI, Response
from fastapi.responses import JSONResponse
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()


class JsonApiResponse(JSONResponse):
    media_type = "application/vnd.api+json"


class Error(BaseModel):
    status: str
    title: str


class JsonApiError(BaseModel):
    errors: typing.List[Error]


@app.get(
    "/a",