COOKIE - Code Search

mockwebserver/src/test/java/mockwebserver3/MockWebServerTest.kt

        .clearHeaders()
        .addHeader("Cookie: s=square")
        .addHeader("Cookie", "a=android")
    assertThat(headersToList(builder)).containsExactly("Cookie: s=square", "Cookie: a=android")
  }

  @Test
  fun mockResponseSetHeader() {
    val builder =
      MockResponse
        .Builder()
        .clearHeaders()
        .addHeader("Cookie: s=square")
        .addHeader("Cookie: a=android")

Created: Fri Dec 26 11:42:13 GMT 2025

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github.com/tiangolo/fastapi

docs_src/response_cookies/tutorial002_py39.py

from fastapi import FastAPI, Response

app = FastAPI()


@app.post("/cookie-and-object/")
def create_cookie(response: Response):
    response.set_cookie(key="fakesession", value="fake-cookie-session-value")

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Wed Dec 17 20:41:43 GMT 2025

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github.com/tiangolo/fastapi

docs_src/dependencies/tutorial005_an_py39.py

from typing import Annotated, Union

from fastapi import Cookie, Depends, FastAPI

app = FastAPI()


def query_extractor(q: Union[str, None] = None):
    return q


def query_or_cookie_extractor(
    q: Annotated[str, Depends(query_extractor)],
    last_query: Annotated[Union[str, None], Cookie()] = None,
):
    if not q:
        return last_query
    return q


@app.get("/items/")
async def read_query(

Created: Sun Dec 28 07:19:09 GMT 2025

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github.com/tiangolo/fastapi

docs_src/cookie_param_models/tutorial002_an_py310.py

from typing import Annotated

from fastapi import Cookie, FastAPI
from pydantic import BaseModel

app = FastAPI()


class Cookies(BaseModel):
    model_config = {"extra": "forbid"}

    session_id: str
    fatebook_tracker: str | None = None
    googall_tracker: str | None = None


@app.get("/items/")
async def read_items(cookies: Annotated[Cookies, Cookie()]):

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Tue Sep 17 18:54:10 GMT 2024

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github.com/tiangolo/fastapi

docs_src/cookie_param_models/tutorial002_an_py39.py

from typing import Annotated, Union

from fastapi import Cookie, FastAPI
from pydantic import BaseModel

app = FastAPI()


class Cookies(BaseModel):
    model_config = {"extra": "forbid"}

    session_id: str
    fatebook_tracker: Union[str, None] = None
    googall_tracker: Union[str, None] = None


@app.get("/items/")
async def read_items(cookies: Annotated[Cookies, Cookie()]):

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Tue Sep 17 18:54:10 GMT 2024

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github.com/tiangolo/fastapi

docs_src/dependencies/tutorial005_py310.py

from fastapi import Cookie, Depends, FastAPI

app = FastAPI()


def query_extractor(q: str | None = None):
    return q


def query_or_cookie_extractor(
    q: str = Depends(query_extractor), last_query: str | None = Cookie(default=None)
):
    if not q:
        return last_query
    return q


@app.get("/items/")
async def read_query(query_or_default: str = Depends(query_or_cookie_extractor)):

Created: Sun Dec 28 07:19:09 GMT 2025

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github.com/tiangolo/fastapi

docs_src/dependencies/tutorial005_an_py310.py

from typing import Annotated

from fastapi import Cookie, Depends, FastAPI

app = FastAPI()


def query_extractor(q: str | None = None):
    return q


def query_or_cookie_extractor(
    q: Annotated[str, Depends(query_extractor)],
    last_query: Annotated[str | None, Cookie()] = None,
):
    if not q:
        return last_query
    return q


@app.get("/items/")
async def read_query(

Created: Sun Dec 28 07:19:09 GMT 2025

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github.com/tiangolo/fastapi

tests/test_param_include_in_schema.py

from typing import Optional

import pytest
from fastapi import Cookie, FastAPI, Header, Path, Query
from fastapi.testclient import TestClient

app = FastAPI()


@app.get("/hidden_cookie")
async def hidden_cookie(
    hidden_cookie: Optional[str] = Cookie(default=None, include_in_schema=False),
):
    return {"hidden_cookie": hidden_cookie}


@app.get("/hidden_header")
async def hidden_header(

Created: Sun Dec 28 07:19:09 GMT 2025

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github.com/tiangolo/fastapi

docs/zh/docs/advanced/response-cookies.md

你可以在 *路径函数* 中定义一个类型为 `Response`的参数，这样你就可以在这个临时响应对象中设置cookie了。

{* ../../docs_src/response_cookies/tutorial002.py hl[1,8:9] *}

而且你还可以根据你的需要响应不同的对象，比如常用的 `dict`，数据库model等。

如果你定义了 `response_model`，程序会自动根据`response_model`来过滤和转换你响应的对象。

**FastAPI** 会使用这个 *临时* 响应对象去装在这些cookies信息 (同样还有headers和状态码等信息), 最终会将这些信息和通过`response_model`转化过的数据合并到最终的响应里。

你也可以在depend中定义`Response`参数，并设置cookie和header。

## 直接响应 `Response`

Created: Sun Dec 28 07:19:09 GMT 2025

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github.com/tiangolo/fastapi

docs_src/websockets/tutorial002_py39.py

from typing import Union

from fastapi import (
    Cookie,
    Depends,
    FastAPI,
    Query,
    WebSocket,
    WebSocketException,
    status,
)
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)">

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Wed Dec 17 20:41:43 GMT 2025

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