defa - Code Search

docs_src/response_model/tutorial001_py39.py

    price: float
    tax: Union[float, None] = None
    tags: list[str] = []


@app.post("/items/", response_model=Item)
async def create_item(item: Item) -> Any:
    return item


@app.get("/items/", response_model=list[Item])
async def read_items() -> Any:
    return [
        {"name": "Portal Gun", "price": 42.0},
        {"name": "Plumbus", "price": 32.0},

Registered: Sun Dec 28 07:19:09 UTC 2025

- Last Modified: Sat Jan 07 13:45:48 UTC 2023

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github.com/tiangolo/fastapi

docs_src/dependencies/tutorial004_py39.py


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: CommonQueryParams = Depends()):
    response = {}
    if commons.q:
        response.update({"q": commons.q})

Registered: Sun Dec 28 07:19:09 UTC 2025

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github.com/tiangolo/fastapi

tests/test_tutorial/test_advanced_middleware/test_tutorial003.py

from fastapi.testclient import TestClient

from docs_src.advanced_middleware.tutorial003_py39 import app


@app.get("/large")
async def large():
    return PlainTextResponse("x" * 4000, status_code=200)


client = TestClient(app)


def test_middleware():
    response = client.get("/large", headers={"accept-encoding": "gzip"})
    assert response.status_code == 200, response.text

Registered: Sun Dec 28 07:19:09 UTC 2025

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github.com/tiangolo/fastapi

fastapi/middleware/asyncexitstack.py

# in their own AsyncExitStack
class AsyncExitStackMiddleware:
    def __init__(
        self, app: ASGIApp, context_name: str = "fastapi_middleware_astack"
    ) -> None:
        self.app = app
        self.context_name = context_name

    async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None:
        async with AsyncExitStack() as stack:

Registered: Sun Dec 28 07:19:09 UTC 2025

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github.com/tiangolo/fastapi

tests/test_tutorial/test_settings/test_tutorial001.py

from pytest import MonkeyPatch


@pytest.fixture(name="app", params=[pytest.param("tutorial001_py39")])
def get_app(request: pytest.FixtureRequest, monkeypatch: MonkeyPatch):
    monkeypatch.setenv("ADMIN_EMAIL", "******@****.***")
    mod = importlib.import_module(f"docs_src.settings.{request.param}")
    return mod.app


def test_settings(app):
    client = TestClient(app)
    response = client.get("/info")

Registered: Sun Dec 28 07:19:09 UTC 2025

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github.com/tiangolo/fastapi

docs_src/dependencies/tutorial004_an_py39.py


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: Annotated[CommonQueryParams, Depends()]):
    response = {}
    if commons.q:

Registered: Sun Dec 28 07:19:09 UTC 2025

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github.com/tiangolo/fastapi

tests/test_tutorial/test_behind_a_proxy/test_tutorial001.py

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
    assert response.json() == {

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github.com/tiangolo/fastapi

docs_src/dependencies/tutorial008c_an_py39.py

from fastapi import Depends, FastAPI, HTTPException

app = FastAPI()


class InternalError(Exception):
    pass


def get_username():
    try:
        yield "Rick"
    except InternalError:
        print("Oops, we didn't raise again, Britney 😱")


@app.get("/items/{item_id}")
def get_item(item_id: str, username: Annotated[str, Depends(get_username)]):
    if item_id == "portal-gun":
        raise InternalError(

Registered: Sun Dec 28 07:19:09 UTC 2025

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github.com/tiangolo/fastapi

tests/test_openapi_model_description_trim_on_formfeed.py

class MyModel(BaseModel):
    """
    A model with a form feed character in the title.
    \f
    Text after form feed character.
    """


@app.get("/foo")
def foo(v: MyModel):  # pragma: no cover
    pass


client = TestClient(app)


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

Registered: Sun Dec 28 07:19:09 UTC 2025

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github.com/tiangolo/fastapi

tests/test_tutorial/test_websockets/test_tutorial001.py

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):
        with client.websocket_connect("/ws") as websocket:

Registered: Sun Dec 28 07:19:09 UTC 2025

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