## Einen `websocket` erstellen

Erstellen Sie in Ihrer **FastAPI**-Anwendung einen `websocket`:

{* ../../docs_src/websockets/tutorial001.py hl[1,46:47] *}

/// note | Technische Details

Sie können auch `from starlette.websockets import WebSocket` verwenden.

**FastAPI** stellt den gleichen `WebSocket` direkt zur Verfügung, als Annehmlichkeit für Sie, den Entwickler. Er kommt aber direkt von Starlette.

 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 */
package jcifs.internal.smb2.persistent;

import java.io.IOException;
import java.util.concurrent.CompletableFuture;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

                                                       items="${labelTypeItems}">
                                                <tr
                                                        data-href="${contextPath}/admin/labeltype/details/4/${f:u(data.id)}">
                                                    <td>${f:h(data.name)}</td>
                                                </tr>
                                            </c:forEach>

import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link GcFinalization}.
 *
 * @author Martin Buchholz
 * @author mike nonemacher
 */
@AndroidIncompatible // depends on details of gc

@NullUnmarked
public class GcFinalizationTest extends TestCase {

  // ----------------------------------------------------------------
  // Ordinary tests of successful method execution

 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"context"
	"errors"
	"fmt"

// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"testing"
	"time"
)

   */
  /*
   * In certain circumstances, this field might theoretically not be visible to an afterDone() call
   * triggered by cancel(). For details, see the comments on the fields of TimeoutFuture.
   */
  @LazyInit
  private @Nullable ImmutableCollection<? extends ListenableFuture<? extends InputT>> futures;

  private final boolean allMustSucceed;

///

//// tab | `venv`

Để tạo một môi trường ảo, bạn có thể sử dụng module `venv` có sẵn của Python.

<div class="termy">

```console
$ python -m venv .venv
```

</div>

/// details | Cách các lệnh hoạt động

* `python`: sử dụng chương trình `python`
* `-m`: gọi một module như một script, chúng ta sẽ nói về module đó sau
* `venv`: sử dụng module `venv` được cài đặt sẵn của Python

///

//// tab | `venv`

Python 표준 라이브러리에 포함된 venv 모듈을 사용해 가상 환경을 생성할 수 있습니다.

<div class="termy">

```console
$ python -m venv .venv
```

</div>

/// details | 명령어 상세 설명

* `python`: `python` 프로그램을 실행합니다.
* `-m`: 특정 모듈을 스크립트처럼 실행합니다. 대상 모듈을 바로 뒤에 지정합니다.
* `venv`: Python 표준 라이브러리에 포함된 `venv` 모듈을 실행합니다.
* `.venv`: 가상 환경을 `.venv` 디렉터리에 생성합니다.

///

////