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docs/es/docs/tutorial/dependencies/sub-dependencies.md

# Sub-dependencias { #sub-dependencies }

Puedes crear dependencias que tengan **sub-dependencias**.

Pueden ser tan **profundas** como necesites.

**FastAPI** se encargará de resolverlas.

## Primera dependencia "dependable" { #first-dependency-dependable }

Podrías crear una primera dependencia ("dependable") así:

{* ../../docs_src/dependencies/tutorial005_an_py310.py hl[8:9] *}

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github.com/tiangolo/fastapi

docs/es/docs/async.md

Si estás trabajando con **FastAPI** no tienes que preocuparte por eso, porque esa "primera" función será tu *path operation function*, y FastAPI sabrá cómo hacer lo correcto.

Pero si deseas usar `async` / `await` sin FastAPI, también puedes hacerlo.

### Escribe tu propio código async { #write-your-own-async-code }

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github.com/tiangolo/fastapi

tests/test_tutorial/test_path_operation_advanced_configurations/test_tutorial006.py

from fastapi.testclient import TestClient

from docs_src.path_operation_advanced_configuration.tutorial006_py39 import app

client = TestClient(app)


def test_post():
    response = client.post("/items/", content=b"this is actually not validated")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "size": 30,
        "content": {
            "name": "Maaaagic",
            "price": 42,

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github.com/tiangolo/fastapi

tests/test_tutorial/test_behind_a_proxy/test_tutorial001.py

from fastapi.testclient import TestClient

from docs_src.behind_a_proxy.tutorial001_py39 import app

client = TestClient(app, root_path="/api/v1")


def test_main():
    response = client.get("/app")
    assert response.status_code == 200
    assert response.json() == {"message": "Hello World", "root_path": "/api/v1"}


def test_openapi():
    response = client.get("/openapi.json")
    assert response.status_code == 200

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github.com/tiangolo/fastapi

docs/pt/docs/tutorial/security/simple-oauth2.md

* Um `client_secret` opcional (não precisamos dele em nosso exemplo).

/// info | Informação

O `OAuth2PasswordRequestForm` não é uma classe especial para **FastAPI** como é `OAuth2PasswordBearer`.

`OAuth2PasswordBearer` faz com que **FastAPI** saiba que é um esquema de segurança. Portanto, é adicionado dessa forma ao OpenAPI.

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github.com/tiangolo/fastapi

tests/test_tutorial/test_websockets/test_tutorial001.py

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

from docs_src.websockets.tutorial001_py39 import app

client = TestClient(app)


def test_main():
    response = client.get("/")
    assert response.status_code == 200, response.text
    assert b"<!DOCTYPE html>" in response.content


def test_websocket():
    with pytest.raises(WebSocketDisconnect):

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github.com/tiangolo/fastapi

tests/test_response_model_sub_types.py

from fastapi import FastAPI
from fastapi.testclient import TestClient
from pydantic import BaseModel


class Model(BaseModel):
    name: str


app = FastAPI()


@app.get("/valid1", responses={"500": {"model": int}})
def valid1():
    pass


@app.get("/valid2", responses={"500": {"model": list[int]}})
def valid2():
    pass


@app.get("/valid3", responses={"500": {"model": Model}})
def valid3():
    pass

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github.com/tiangolo/fastapi

docs/ru/docs/advanced/templates.md

# Шаблоны { #templates }

Вы можете использовать любой шаблонизатор вместе с **FastAPI**.

Часто выбирают Jinja2 — тот же, что используется во Flask и других инструментах.

Есть утилиты для простой настройки, которые вы можете использовать прямо в своем приложении **FastAPI** (предоставляются Starlette).

## Установка зависимостей { #install-dependencies }

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github.com/tiangolo/fastapi

docs_src/websockets/tutorial001_py39.py

from fastapi import FastAPI, WebSocket
from fastapi.responses import HTMLResponse

app = FastAPI()

html = """
<!DOCTYPE html>
<html>
    <head>
        <title>Chat</title>
    </head>
    <body>
        <h1>WebSocket Chat</h1>
        <form action="" onsubmit="sendMessage(event)">
            <input type="text" id="messageText" autocomplete="off"/>
            <button>Send</button>
        </form>
        <ul id='messages'>

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github.com/tiangolo/fastapi

tests/test_tutorial/test_metadata/test_tutorial002.py

from fastapi.testclient import TestClient

from docs_src.metadata.tutorial002_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_get_openapi_json_default_url():
    response = client.get("/openapi.json")
    assert response.status_code == 404, response.text

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