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(

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: str = Depends(get_username)):
    if item_id == "portal-gun":
        raise InternalError(

from fastapi import Depends, FastAPI, HTTPException

app = FastAPI()


class InternalError(Exception):
    pass


def get_username():
    try:
        yield "Rick"
    except InternalError:
        print("We don't swallow the internal error here, we raise again 😎")
        raise


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

from typing import Annotated

from fastapi import Depends, FastAPI, HTTPException

app = FastAPI()


class InternalError(Exception):
    pass


def get_username():
    try:
        yield "Rick"
    except InternalError:
        print("We don't swallow the internal error here, we raise again 😎")
        raise


@app.get("/items/{item_id}")
def get_item(item_id: str, username: Annotated[str, Depends(get_username)]):

		HTTPStatusCode: http.StatusServiceUnavailable,
	},
	ErrSTSUpstreamError: {
		Code:           "InternalError",
		Description:    "An upstream service required for this operation failed - please try again or contact an administrator.",
		HTTPStatusCode: http.StatusInternalServerError,
	},
	ErrSTSInternalError: {
		Code:           "InternalError",
		Description:    "We encountered an internal error generating credentials, please try again.",

    assert response.status_code == 200, response.text
    assert response.json() == "plumbus"


def test_internal_error(mod: ModuleType):
    client = TestClient(mod.app)
    with pytest.raises(mod.InternalError) as exc_info:
        client.get("/items/portal-gun")
    assert (
        exc_info.value.args[0] == "The portal gun is too dangerous to be owned by Rick"
    )


def test_internal_server_error(mod: ModuleType):

{* ../../docs_src/dependencies/tutorial008d_an_py39.py hl[17] *}

Ahora el cliente obtendrá el mismo response *HTTP 500 Internal Server Error*, pero el servidor tendrá nuestro `InternalError` personalizado en los registros. 😎

## Ejecución de dependencias con `yield` { #execution-of-dependencies-with-yield }

你可以使用 `raise` 再次抛出捕获到的异常。

{* ../../docs_src/dependencies/tutorial008d_an_py39.py hl[17] *}

现在客户端同样会得到 *HTTP 500 Internal Server Error* 响应，但是服务器日志会记录下我们自定义的 `InternalError`。

##  使用 `yield` 的依赖项的执行

执行顺序大致如下时序图所示。时间轴从上到下，每一列都代表交互或者代码执行的一部分。

```mermaid
sequenceDiagram

participant client as Client
participant handler as Exception handler

{* ../../docs_src/dependencies/tutorial008d_an_py39.py hl[17] *}

Теперь клиент получит тот же *HTTP 500 Internal Server Error*, но на сервере в логах будет наше пользовательское `InternalError`. 😎

## Выполнение зависимостей с `yield` { #execution-of-dependencies-with-yield }

{* ../../docs_src/dependencies/tutorial008d_an_py39.py hl[17] *}

Jetzt erhält der Client dieselbe *HTTP 500 Internal Server Error*-Response, aber der Server enthält unseren benutzerdefinierten `InternalError` in den Logs. 😎

## Ausführung von Abhängigkeiten mit `yield` { #execution-of-dependencies-with-yield }