s.open = False
        yield s


SessionDep = Annotated[Session, Depends(dep_session)]
BrokenSessionDep = Annotated[Session, Depends(broken_dep_session)]

app = FastAPI()


@app.get("/data")
def get_data(session: SessionDep) -> Any:
    data = list(session)
    return data


@app.get("/stream-simple")
def get_stream_simple(session: SessionDep) -> Any:
    def iter_data():

    with acquire_session() as s:
        s.open = False
        yield s


SessionDep = Annotated[Session, Depends(dep_session)]
BrokenSessionDep = Annotated[Session, Depends(broken_dep_session)]

app = FastAPI()


@app.websocket("/ws")
async def websocket_endpoint(websocket: WebSocket, session: SessionDep):
    await websocket.accept()
    for item in session:
        await websocket.send_text(f"{item}")

Vamos criar uma **dependência** do FastAPI com `yield` que fornecerá uma nova `Session` para cada requisição. Isso é o que garante que usamos uma única sessão por requisição. 🤓

Então, criamos uma dependência `Annotated` chamada `SessionDep` para simplificar o restante do código que usará essa dependência.

{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[25:30] hl[25:27,30] *}

We will create a FastAPI **dependency** with `yield` that will provide a new `Session` for each request. This is what ensures that we use a single session per request. 🤓

Then we create an `Annotated` dependency `SessionDep` to simplify the rest of the code that will use this dependency.

{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[25:30]  hl[25:27,30] *}

Dann erstellen wir eine `Annotated`-Abhängigkeit `SessionDep`, um den Rest des Codes zu vereinfachen, der diese Abhängigkeit nutzen wird.

{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[25:30]  hl[25:27,30] *}

Мы создадим **зависимость** FastAPI с `yield`, которая будет предоставлять новую `Session` для каждого запроса. Это и обеспечивает использование одной сессии на запрос. 🤓

Затем мы создадим объявленную (`Annotated`) зависимость `SessionDep`, чтобы упростить остальной код, который будет использовать эту зависимость.

{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[25:30]  hl[25:27,30] *}

Crearemos una **dependencia de FastAPI** con `yield` que proporcionará una nueva `Session` para cada request. Esto es lo que asegura que usemos una sola session por request. 🤓

Luego creamos una dependencia `Annotated` `SessionDep` para simplificar el resto del código que usará esta dependencia.

{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[25:30]  hl[25:27,30] *}

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