Pydantic, ❔ ⚫️❔ 🏋️ 🌐 💽 🔬 &amp; 🛠️ FastAPI, ✔️ 🎁 🎭 🕐❔ 👆 ⚙️ `Optional` ⚖️ `Union[Something, None]` 🍵 🔢 💲, 👆 💪 ✍ 🌅 🔃 ⚫️ Pydantic 🩺 🔃 <a href="https://docs.pydantic.dev/latest/concepts/models/#required-optional-fields" class="external-link" target="_blank">✔ 📦 🏑</a>.

///

## 🔢 🔢 📇 / 💗 💲

🕐❔ 👆 🔬 🔢 🔢 🎯 ⏮️ `Query` 👆 💪 📣 ⚫️ 📨 📇 💲, ⚖️ 🙆‍♀ 🎏 🌌, 📨 💗 💲.

🖼, 📣 🔢 🔢 `q` 👈 💪 😑 💗 🕰 📛, 👆 💪 ✍:

To see all the options you have, checkout <a href="https://docs.pydantic.dev/latest/concepts/types/" class="external-link" target="_blank">Pydantic's Type Overview</a>. You will see some examples in the next chapter.

For example, as in the `Image` model we have a `url` field, we can declare it to be an instance of Pydantic's `HttpUrl` instead of a `str`:

Чтобы увидеть все варианты, которые у вас есть, ознакомьтесь с документацией <a href="https://docs.pydantic.dev/latest/concepts/types/" class="external-link" target="_blank">по необычным типам Pydantic</a>. Вы увидите некоторые примеры в следующей главе.

Например, так как в модели `Image` у нас есть поле `url`, то мы можем объявить его как тип `HttpUrl` из модуля Pydantic вместо типа `str`:

しかし、高度なシナリオのために必要な場合には、カスタムヘッダーを追加することができます:

{* ../../docs_src/handling_errors/tutorial002.py hl[14] *}

## カスタム例外ハンドラのインストール

カスタム例外ハンドラは<a href="https://www.starlette.io/exceptions/" class="external-link" target="_blank">Starletteと同じ例外ユーティリティ</a>を使用して追加することができます。

あなた（または使用しているライブラリ）が`raise`するかもしれないカスタム例外`UnicornException`があるとしましょう。

そして、この例外をFastAPIでグローバルに処理したいと思います。

カスタム例外ハンドラを`@app.exception_handler()`で追加することができます:

     */
    @Config(type = "java.lang.Boolean", defaultValue = "false")
    public static final String MAVEN_LOGGER_SHOW_SHORT_LOG_NAME = MAVEN_LOGGER_PREFIX + "showShortLogName";

    /**
     * The output target which can be the path to a file, or the special values "System.out" and "System.err".
     * Default is "System.err".
     *
     * @since 4.0.0
     */
    @Config

  pip install twine==3.6.0
fi

# When cross-compiling with RBE, we need to copy the macOS sysroot to be
# inside the TensorFlow root directory. We then define them as a filegroup
# target inside "tensorflow/tools/toolchains/cross_compile/cc" so that Bazel
# can register it as an input to compile/link actions and send it to the remote
# VMs when needed.

 * such as index, size, tags, roles, fields, languages, and exclusion words.
 *
 * <p>Key functionalities include:</p>
 * <ul>
 *   <li>Setting the target index for the search.</li>
 *   <li>Limiting the number of results (size).</li>
 *   <li>Filtering by tags, roles, fields, and languages.</li>
 *   <li>Excluding specific words from the results.</li>

 *  Breaking: Rename `RecordedRequest.path` to `RecordedRequest.target`. (This property is
    _sometimes_ a path, but it can also be a path and query, or a full URL.)

 *  Breaking: Decompose the `RecordedRequest.requestLine` into three properties, `method`, `target`,
    and `version`. This better suits HTTP/2 where the request line had to be synthesized from
    component headers.

     * Supports conversion to String, Date, Long, Integer, Double, Float, and Boolean types.
     *
     * @param <T> the type to convert the value to
     * @param value the value to convert
     * @param clazz the target class type
     * @return the converted value or null if conversion is not supported
     */
    @SuppressWarnings("unchecked")
    private static <T> T convertObj(final Object value, final Class<T> clazz) {

e=d[b]||"";a.errorMessageKey="",a.errorMessage=e.replace("%s",c)},f=function(c,d,e){var f=new FileReader,g=new Image;f.readAsDataURL(c),f.onload=function(c){g.onload=function(){a(b).trigger("imageValidation",[this]),d(this)},g.onerror=function(){e()},g.src=c.target.result}};a.formUtils.addValidator({name:"mime",validatorFunction:function(b,f,g,h){if(c){var i=!0,j=f.get(0).files||[],k="",l=d(f);return j.length&&(a.each(j,function(b,c){return i=!1,k=c.type||c.name.substring(c.name.lastIndexOf(".")+1),a.each(l...