Responses - Code Search

tests/test_tutorial/test_additional_responses/test_tutorial003.py

client = TestClient(app)


def test_path_operation():
    response = client.get("/items/foo")
    assert response.status_code == 200, response.text
    assert response.json() == {"id": "foo", "value": "there goes my hero"}


def test_path_operation_not_found():
    response = client.get("/items/bar")
    assert response.status_code == 404, response.text
    assert response.json() == {"message": "Item not found"}

Created: Sun Apr 05 07:19:11 GMT 2026

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github.com/tiangolo/fastapi

docs/zh/docs/tutorial/request-files.md

{* ../../docs_src/request_files/tutorial002_an_py310.py hl[10,15] *}

接收的也是含 `bytes` 或 `UploadFile` 的列表（`list`）。

/// note | 技术细节

也可以使用 `from starlette.responses import HTMLResponse`。

`fastapi.responses` 其实与 `starlette.responses` 相同，只是为了方便开发者调用。实际上，大多数 **FastAPI** 的响应都直接从 Starlette 调用。

///

### 带有额外元数据的多文件上传 { #multiple-file-uploads-with-additional-metadata }

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github.com/tiangolo/fastapi

docs_src/request_files/tutorial003_an_py310.py

from typing import Annotated

from fastapi import FastAPI, File, UploadFile
from fastapi.responses import HTMLResponse

app = FastAPI()


@app.post("/files/")
async def create_files(
    files: Annotated[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: Annotated[

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github.com/tiangolo/fastapi

tests/test_tutorial/test_body/test_tutorial004.py

                "msg": "Field required",
                "input": {},
            },
        ]
    }


def test_openapi_schema(client: TestClient):
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == snapshot(
        {
            "openapi": "3.1.0",
            "info": {"title": "FastAPI", "version": "0.1.0"},
            "paths": {

Created: Sun Apr 05 07:19:11 GMT 2026

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github.com/tiangolo/fastapi

tests/test_stream_cancellation.py

Ref: https://github.com/fastapi/fastapi/issues/14680
"""

from collections.abc import AsyncIterable

import anyio
import pytest
from fastapi import FastAPI
from fastapi.responses import StreamingResponse

pytestmark = [
    pytest.mark.anyio,
    pytest.mark.filterwarnings("ignore::pytest.PytestUnraisableExceptionWarning"),
]


app = FastAPI()

Created: Sun Apr 05 07:19:11 GMT 2026

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github.com/tiangolo/fastapi

tests/test_tutorial/test_additional_responses/test_tutorial001.py

client = TestClient(app)


def test_path_operation():
    response = client.get("/items/foo")
    assert response.status_code == 200, response.text
    assert response.json() == {"id": "foo", "value": "there goes my hero"}


def test_path_operation_not_found():
    response = client.get("/items/bar")
    assert response.status_code == 404, response.text
    assert response.json() == {"message": "Item not found"}

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github.com/tiangolo/fastapi

docs/es/docs/how-to/conditional-openapi.md

Si quieres asegurar tu API, hay varias cosas mejores que puedes hacer, por ejemplo:

* Asegúrate de tener modelos Pydantic bien definidos para tus request bodies y responses.
* Configura los permisos y roles necesarios usando dependencias.
* Nunca guardes contraseñas en texto plano, solo hashes de contraseñas.

Created: Sun Apr 05 07:19:11 GMT 2026

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github.com/tiangolo/fastapi

docs_src/websockets_/tutorial001_py310.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'>

Created: Sun Apr 05 07:19:11 GMT 2026

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github.com/tiangolo/fastapi

tests/test_tutorial/test_body_nested_models/test_tutorial007.py

    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == snapshot(
        {
            "openapi": "3.1.0",
            "info": {"title": "FastAPI", "version": "0.1.0"},
            "paths": {
                "/offers/": {
                    "post": {
                        "responses": {
                            "200": {

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github.com/tiangolo/fastapi

docs/en/mkdocs.yml

    - advanced/path-operation-advanced-configuration.md
    - advanced/additional-status-codes.md
    - advanced/response-directly.md
    - advanced/custom-response.md
    - advanced/additional-responses.md
    - advanced/response-cookies.md
    - advanced/response-headers.md
    - advanced/response-change-status-code.md
    - advanced/advanced-dependencies.md
    - Advanced Security:
      - advanced/security/index.md

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