// Code generated by "stringer -type=batchJobMetric -trimprefix=batchJobMetric batch-handlers.go"; DO NOT EDIT.

package cmd

import "strconv"

func _() {
	// An "invalid array index" compiler error signifies that the constant values have changed.
	// Re-run the stringer command to generate them again.
	var x [1]struct{}
	_ = x[batchJobMetricReplication-0]
	_ = x[batchJobMetricKeyRotation-1]
	_ = x[batchJobMetricExpire-2]
}

有些场景下要为 HTTP 错误添加自定义响应头。例如，出于某些类型的安全需要。

一般情况下你可能不会在代码中直接使用它。

但在某些高级场景中需要时，你可以添加自定义响应头：

{* ../../docs_src/handling_errors/tutorial002_py310.py hl[14] *}

## 安装自定义异常处理器 { #install-custom-exception-handlers }

可以使用[与 Starlette 相同的异常处理工具](https://www.starlette.dev/exceptions/)添加自定义异常处理器。

假设有一个自定义异常 `UnicornException`（你自己或你使用的库可能会 `raise` 它）。

并且你希望用 FastAPI 在全局处理该异常。

此时，可以用 `@app.exception_handler()` 添加自定义异常处理器：

in v1.36). When enabled, the API server proxies WebSocket exec/attach/portforward requests directly to the kubelet rather than translating or tunneling them at the API server. The kubelet now handles WebSocket-to-SPDY stream translation (exec/attach) and WebSocket tunneling (portforward) using the same handlers previously used at the API server. The kubelet advertises support for this feature to the API server via the NodeDeclaredFeatures mechanism; the API server only proxies directly to a kubelet...

{* ../../docs_src/handling_errors/tutorial002_py310.py hl[14] *}

## Instalar manejadores de excepciones personalizados { #install-custom-exception-handlers }

Puedes agregar manejadores de excepciones personalizados con [las mismas utilidades de excepciones de Starlette](https://www.starlette.dev/exceptions/).

{* ../../docs_src/handling_errors/tutorial002_py310.py hl[14] *}

## Instale manipuladores de exceções customizados { #install-custom-exception-handlers }

Você pode adicionar manipuladores de exceção customizados com [a mesma seção de utilidade de exceções presentes no Starlette](https://www.starlette.dev/exceptions/).

// Code generated by "stringer -type=HandlerID -output=handlers_string.go -trimprefix=Handler msg.go handlers.go"; DO NOT EDIT.

package grid

import "strconv"

func _() {
	// An "invalid array index" compiler error signifies that the constant values have changed.
	// Re-run the stringer command to generate them again.
	var x [1]struct{}
	_ = x[handlerInvalid-0]
	_ = x[HandlerLockLock-1]
	_ = x[HandlerLockRLock-2]
	_ = x[HandlerLockUnlock-3]

아마 코드에서 직접 사용할 일은 거의 없을 것입니다.

하지만 고급 시나리오에서 필요하다면 커스텀 헤더를 추가할 수 있습니다:

{* ../../docs_src/handling_errors/tutorial002_py310.py hl[14] *}

## 커스텀 예외 핸들러 설치하기 { #install-custom-exception-handlers }

[Starlette의 동일한 예외 유틸리티](https://www.starlette.dev/exceptions/)를 사용해 커스텀 예외 핸들러를 추가할 수 있습니다.

여러분(또는 사용하는 라이브러리)이 `raise`할 수 있는 커스텀 예외 `UnicornException`이 있다고 가정해 봅시다.

그리고 이 예외를 FastAPI에서 전역적으로 처리하고 싶다고 해봅시다.

event.replace(stripNameRegex, '')\n  return customEvents[event] || event\n}\n\nconst EventHandler = {\n  on(element, event, handler, delegationFunction) {\n    addHandler(element, event, handler, delegationFunction, false)\n  },\n\n  one(element, event, handler, delegationFunction) {\n    addHandler(element, event, handler, delegationFunction, true)\n  },\n\n  off(element, originalTypeEvent, handler, delegationFunction) {\n    if (typeof originalTypeEvent !== 'string' || !element) {\n      return\n    }\n\n ...

Bu tasarımın ana sebeplerinden biri, background task'lerin içinde dependency'lerin "yield ettiği" aynı objeleri kullanmaya izin vermekti; çünkü çıkış kodu, background task'ler bittikten sonra çalıştırılıyordu.

participant client as Client
participant handler as Exception handler
participant dep as Dep with yield
participant operation as Path Operation
participant tasks as Background tasks

    Note over client,operation: Can raise exceptions, including HTTPException
    client ->> dep: Start request
    Note over dep: Run code up to yield
    opt raise Exception
        dep -->> handler: Raise Exception