///

## Check it { #check-it }

Now, every request under the path `/v1/` will be handled by the Flask application.

And the rest will be handled by **FastAPI**.

If you run it and go to [http://localhost:8000/v1/](http://localhost:8000/v1/) you will see the response from Flask:

```txt
Hello, World from Flask!
```

### [Django REST Framework](https://www.django-rest-framework.org/) { #django-rest-framework }

Django REST framework 的目標是成為一套在 Django 之上構建 Web API 的彈性工具組，以強化其 API 能力。

它被 Mozilla、Red Hat、Eventbrite 等眾多公司使用。

它是「自動 API 文件」的早期典範之一，而這正是啟發我「尋找」**FastAPI** 的第一個想法。

/// note

Django REST Framework 由 Tom Christie 創建。他同時也是 Starlette 與 Uvicorn 的作者，而 **FastAPI** 就是建立在它們之上。

# Exceptions - `HTTPException` and `WebSocketException`

These are the exceptions that you can raise to show errors to the client.

When you raise an exception, as would happen with normal Python, the rest of the execution is aborted. This way you can raise these exceptions from anywhere in the code to abort a request and show the error to the client.

You can use:

* `HTTPException`
* `WebSocketException`

import org.gradle.api.tasks.OutputDirectory
import org.gradle.api.model.ObjectFactory

import javax.inject.Inject;
import java.nio.file.Files
import java.nio.file.Path

/**
 * Generates REST tests for each snippet marked // TEST.
 */
class RestTestsFromSnippetsTask extends SnippetsTask {
    /**
     * These languages aren't supported by the syntax highlighter so we
     * shouldn't use them.
     */

   * objects in any other equivalence group added to this tester.
   */
  @CanIgnoreReturnValue
  public EquivalenceTester<T> addEquivalenceGroup(T first, T... rest) {
    addEquivalenceGroup(Lists.asList(first, rest));
    return this;
  }

  @CanIgnoreReturnValue
  public EquivalenceTester<T> addEquivalenceGroup(Iterable<T> group) {
    delegate.addRelatedGroup(group);

   * objects in any other equivalence group added to this tester.
   */
  @CanIgnoreReturnValue
  public EquivalenceTester<T> addEquivalenceGroup(T first, T... rest) {
    addEquivalenceGroup(Lists.asList(first, rest));
    return this;
  }

  @CanIgnoreReturnValue
  public EquivalenceTester<T> addEquivalenceGroup(Iterable<T> group) {
    delegate.addRelatedGroup(group);

 */
package org.codelibs.fess.app.web.api.admin.pathmap;

import org.codelibs.fess.app.web.admin.pathmap.CreateForm;

/**
 * Request body for creating path mapping via REST API.
 * Extends CreateForm to inherit validation and field definitions.
 */
public class CreateBody extends CreateForm {

    /**
     * Creates a new CreateBody instance.
     */
    public CreateBody() {

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.api.admin.user;

import org.codelibs.fess.app.web.admin.user.CreateForm;

/**
 * Request body for creating user via REST API.
 * Extends CreateForm to inherit validation and field definitions.
 */
public class CreateBody extends CreateForm {

    /**
     * Creates a new CreateBody instance.
     */
    public CreateBody() {

 */
package org.codelibs.fess.app.web.api.admin.webauth;

import org.codelibs.fess.app.web.admin.webauth.CreateForm;

/**
 * Request body for creating web authentication via REST API.
 * Extends CreateForm to inherit validation and field definitions.
 */
public class CreateBody extends CreateForm {

    /**
     * Creates a new CreateBody instance.
     */
    public CreateBody() {

 */
package org.codelibs.fess.app.web.api.admin.badword;

import org.codelibs.fess.app.web.admin.badword.CreateForm;

/**
 * Request body for creating bad word via REST API.
 * Extends CreateForm to inherit validation and field definitions.
 */
public class CreateBody extends CreateForm {

    /**
     * Creates a new CreateBody instance.
     */
    public CreateBody() {