## Prerequisites

Configure and install casdoor server by following [Casdoor Server Installation](https://casdoor.org/docs/basic/server-installation).

但是如果你需要，你也可以在依赖项中做到这一点。🤓

///

{* ../../docs_src/dependencies/tutorial008b_an_py39.py hl[18:22,31] *}

你还可以创建一个 [自定义异常处理器](../handling-errors.md#install-custom-exception-handlers){.internal-link target=_blank} 用于捕获异常（同时也可以抛出另一个 `HTTPException`）。

## 包含 `yield` 和 `except` 的依赖项

如果你在包含 `yield` 的依赖项中使用 `except` 捕获了一个异常，然后你没有重新抛出该异常（或抛出一个新异常），与在普通的Python代码中相同，FastAPI不会注意到发生了异常。

 * obtain an {@link java.net.InetAddress} for a host one might do:
 *
 * <pre>
 *
 * InetAddress addr = NbtAddress.getByName("jmorris2").getInetAddress();
 * </pre>
 *
 *  * From a UNIX platform with Samba installed you can perform similar
 * diagnostics using the <code>nmblookup</code> utility.
 *
 * @author Michael B. Allen
 * @see java.net.InetAddress
 * @since jcifs-0.1
 */

      }
      logger.log(requestStartMessage)

      if (logHeaders) {
        val headers = request.headers

        if (requestBody != null) {
          // Request body headers are only present when installed as a network interceptor. When not
          // already present, force them to be included (if available) so their values are known.
          requestBody.contentType()?.let {
            if (headers["Content-Type"] == null) {

* Data tarafı için <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a>.

## Kurulum

<div class="termy">

```console
$ pip install fastapi

---> 100%
```

</div>

# WebSockets

您可以在 **FastAPI** 中使用 [WebSockets](https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API)。

## 安装 `WebSockets`

首先，您需要安装 `WebSockets`：

```console
$ pip install websockets

---> 100%
```

## WebSockets 客户端

### 在生产环境中

在您的生产系统中，您可能使用现代框架（如React、Vue.js或Angular）创建了一个前端。

要使用 WebSockets 与后端进行通信，您可能会使用前端的工具。

或者，您可能有一个原生移动应用程序，直接使用原生代码与 WebSocket 后端通信。

或者，您可能有其他与 WebSocket 终端通信的方式。

Follow below steps to enable and use AlertManager.

## Deploy and start AlertManager
Install Prometheus AlertManager from https://prometheus.io/download/ and create configuration as below

```yaml
route:
  group_by: ['alertname']
  group_wait: 30s
  group_interval: 5m
  repeat_interval: 1h

                            throw ex;
                        }

                        uid = response.uid;

                        if (request.digest != null) {
                            /* success - install the signing digest */
                            transport.digest = request.digest;
                        }

                        connectionState = 2;

                        state = 0;

## When using self-signed certificates, remember to include MinIO's own certificate in the bundle with key public.crt.
## If certSecret is left empty and tls is enabled, this chart installs the public certificate from .Values.tls.certSecret.
trustedCertsSecret: ""

## Enable persistence using Persistent Volume Claims
## ref: http://kubernetes.io/docs/user-guide/persistent-volumes/
##
persistence:

    catch { Write-Warning "Cannot remove $TMP_DOWNLOAD_DIR" }
  }
}

New-Item -Itemtype Directory -Path "$MAVEN_HOME_PARENT" -Force | Out-Null

# Download and Install Apache Maven
Write-Verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
Write-Verbose "Downloading from: $distributionUrl"
Write-Verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"