```

////

/// info

برای اطلاعات بیشتر در مورد <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic، مستنداتش رو چک کن</a>.

///

**FastAPI** کاملاً بر پایه Pydantic هست.

توی [آموزش - راهنمای کاربر](tutorial/index.md){.internal-link target=_blank} خیلی بیشتر از اینا رو توی عمل می‌بینی.

/// tip

👆 💪 ✍ <a href="https://en.wikipedia.org/wiki/Markdown" class="external-link" target="_blank">✍</a> #️⃣ , ⚫️ 🔜 🔬 &amp; 🖥 ☑ (✊ 🔘 🏧 #️⃣ 📐).

{* ../../docs_src/path_operation_configuration/tutorial004.py hl[19:27] *}

⚫️ 🔜 ⚙️ 🎓 🩺:

### Revisa la documentación

Ahora puedes iniciar tu app e ir a <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

Verás que tu documentación tiene las *path operations* normales y ahora también algunos **webhooks**:

上で読んだように、**FastAPI** のデフォルトのレスポンスとして利用されます。

### `ORJSONResponse`

上で読んだように、<a href="https://github.com/ijl/orjson" class="external-link" target="_blank">`orjson`</a>を使った、高速な代替のJSONレスポンスです。

### `UJSONResponse`

<a href="https://github.com/ultrajson/ultrajson" class="external-link" target="_blank">`ujson`</a>を使った、代替のJSONレスポンスです。

/// warning | 注意

`ujson` は、いくつかのエッジケースの取り扱いについて、Pythonにビルトインされた実装よりも作りこまれていません。

import static java.util.Arrays.asList;

import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Set;
import junit.framework.Test;

/**
 * Tests the {@link Set} implementations of {@link java.util}, suppressing tests that trip known
 * OpenJDK 6 bugs.
 *
 * @author Kevin Bourrillion
 */
@AndroidIncompatible // test-suite builders
public class OpenJdk6SetTests extends TestsForSetsInJavaUtil {

    /**
     * Gets the problems that were encountered during the settings building. Note that only problems of severity
     * {@link BuilderProblem.Severity#WARNING} and below are reported here. Problems with a higher severity level cause
     * the settings builder to fail with a {@link SettingsBuilderException}.
     *
     * @return the problems that were encountered during the settings building, can be empty but never {@code null}

    /**
     * Gets the problems that were encountered during the settings building. Note that only problems of severity
     * {@link BuilderProblem.Severity#WARNING} and below are reported here. Problems with a higher severity level cause
     * the settings builder to fail with a {@link ToolchainsBuilderException}.
     *
     * @return the problems that were encountered during the settings building, can be empty but never {@code null}

/// info

To receive uploaded files and/or form data, first install <a href="https://github.com/Kludex/python-multipart" class="external-link" target="_blank">`python-multipart`</a>.

Make sure you create a [virtual environment](../virtual-environments.md){.internal-link target=_blank}, activate it, and then install it, for example:

```console
$ pip install python-multipart
```

///

例如：

* <a href="https://code.visualstudio.com/docs/python/environments#_select-and-activate-an-environment" class="external-link" target="_blank">VS Code</a>
* <a href="https://www.jetbrains.com/help/pycharm/creating-virtual-environment.html" class="external-link" target="_blank">PyCharm</a>

/// tip

通常你只需要在建立虛擬環境時執行此操作**一次**。

///

## 退出虛擬環境

當你完成工作後，你可以**退出**虛擬環境。

import java.util.ConcurrentModificationException;
import java.util.Iterator;
import java.util.function.Predicate;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@link Collection#removeIf}. Can't be invoked directly; please
 * see {@link com.google.common.collect.testing.CollectionTestSuiteBuilder}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible