When a client disconnects, a `WebSocketDisconnect` exception is raised, you can catch it.

You can import it directly form `fastapi`:

```python
from fastapi import WebSocketDisconnect
```

::: fastapi.WebSocketDisconnect

## WebSockets - additional classes

Additional classes for handling WebSockets.

Provided directly by Starlette, but you can import it from `fastapi`:

```python

////

//// tab | Windows

Digamos que instalas Python y termina en un directorio `C:\opt\custompython\bin`.

Si dices que sí para actualizar la variable de entorno `PATH`, entonces el instalador añadirá `C:\opt\custompython\bin` a la variable de entorno `PATH`.

```plaintext

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.mylasta.direction.sponsor;

import java.lang.reflect.Method;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.lastaflute.core.direction.CurtainFinallyHook;
import org.lastaflute.core.direction.FwAssistantDirector;

/**
 * The hook for curtain finally.
 *
 * @author jflute
 */

  /** Creates a new instance with the specified edge directionality. */
  private ValueGraphBuilder(boolean directed) {
    super(directed);
  }

  /** Returns a {@link ValueGraphBuilder} for building directed graphs. */
  public static ValueGraphBuilder<Object, Object> directed() {
    return new ValueGraphBuilder<>(true);
  }

  /** Returns a {@link ValueGraphBuilder} for building undirected graphs. */

  /** Creates a new instance with the specified edge directionality. */
  private NetworkBuilder(boolean directed) {
    super(directed);
  }

  /** Returns a {@link NetworkBuilder} for building directed networks. */
  public static NetworkBuilder<Object, Object> directed() {
    return new NetworkBuilder<>(true);
  }

  /** Returns a {@link NetworkBuilder} for building undirected networks. */

            invoke-rc.d fess stop || true
        else
            /etc/init.d/fess stop || true
        fi

    # older suse linux distributions do not ship with systemd
    # but do not have an /etc/init.d/ directory
    # this tries to start the fess service on these
    # as well without failing this script
    elif [ -x /etc/rc.d/init.d/fess ] ; then
        /etc/rc.d/init.d/fess stop || true
    fi
    echo " OK"
fi

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"syscall"
)

// Returns true if no error and there is no object or prefix inside this directory
func isDirEmpty(dirname string, legacy bool) bool {
	if legacy {
		// On filesystems such as btrfs, nfs this is not true, so fallback
		// to performing readdir() instead.
		entries, err := readDirN(dirname, 1)

	cli.StringFlag{
		Name:   "config-dir, C",
		Value:  defaultConfigDir.Get(),
		Usage:  "[DEPRECATED] path to legacy configuration directory",
		Hidden: true,
	},
	cli.StringFlag{
		Name:  "certs-dir, S",
		Value: defaultCertsDir.Get(),
		Usage: "path to certs directory",
	},
	cli.BoolFlag{
		Name:  "quiet",
		Usage: "disable startup and info messages",
	},
	cli.BoolFlag{
		Name:  "anonymous",

		// Test listing an empty directory in recursive mode (62)
		{"test-bucket-empty-dir", "", "", "", 10, resultCases[31], nil, true},
		// Test listing an empty directory in a non recursive mode (63)
		{"test-bucket-empty-dir", "", "", SlashSeparator, 10, resultCases[32], nil, true},
		// Test listing a directory which contains an empty directory (64)

    /**
     * File is marked a system file
     */
    int ATTR_SYSTEM = 0x04;
    /**
     * File is marked a volume
     */
    int ATTR_VOLUME = 0x08;
    /**
     * File is a directory
     */
    int ATTR_DIRECTORY = 0x10;

    /**
     * Files is marked to be archived
     */
    int ATTR_ARCHIVE = 0x20;

    // extended file attribute encoding(others same as above)
    /**