Pour cela, nous utilisons `security_scopes.scopes`, qui contient une `list` avec tous ces scopes en `str`.

{* ../../docs_src/security/tutorial005_an_py310.py hl[130:136] *}

## Arbre de dépendances et scopes { #dependency-tree-and-scopes }

Revoyons encore cet arbre de dépendances et les scopes.

     * Initializes a new instance with default settings.
     */
    public IndexUpdater() {
        super();
    }

    /**
     * Initializes the IndexUpdater after dependency injection.
     * Sets up the ingest factory if available in the component container.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {

 *       APIs are offered that don't).
 *   <li>Can't be passed directly to methods that expect {@code double[]} (though the most common
 *       utilities do have replacements here).
 *   <li>Dependency on {@code com.google.common} / Guava.
 * </ul>
 *
 * <p>Advantages compared to {@link com.google.common.collect.ImmutableList ImmutableList}{@code
 * <Double>}:
 *
 * <ul>

 *       APIs are offered that don't).
 *   <li>Can't be passed directly to methods that expect {@code int[]} (though the most common
 *       utilities do have replacements here).
 *   <li>Dependency on {@code com.google.common} / Guava.
 * </ul>
 *
 * <p>Advantages compared to {@link com.google.common.collect.ImmutableList ImmutableList}{@code
 * <Integer>}:
 *
 * <ul>

{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[21:22] hl[21:22] *}

### Créer une dépendance de session { #create-a-session-dependency }

Une **`Session`** est ce qui stocke les **objets en mémoire** et suit les modifications nécessaires des données, puis **utilise l'`engine`** pour communiquer avec la base.

* genericapiserver: more dependency cutoffs ([#40216](https://github.com/kubernetes/kubernetes/pull/40216), [@sttts](https://github.com/sttts))
* genericapiserver: cut off kube pkg/version dependency ([#39943](https://github.com/kubernetes/kubernetes/pull/39943), [@sttts](https://github.com/sttts))

* How to set **validation constraints** as `maximum_length` or `regex`.
* A very powerful and easy to use **<dfn title="also known as components, resources, providers, services, injectables">Dependency Injection</dfn>** system.
* Security and authentication, including support for **OAuth2** with **JWT tokens** and **HTTP Basic** auth.

            logScriptExecutionCalled = true;
            lastLoggedScript = script;
            lastLoggedResult = result;
            // Don't call super to avoid dependency on ComponentUtil
        }
    }

### 建立資料表 { #create-the-tables }

接著我們新增一個函式，使用 `SQLModel.metadata.create_all(engine)` 為所有「資料表模型」建立資料表。

{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[21:22] hl[21:22] *}

### 建立 Session 依賴 { #create-a-session-dependency }

「`Session`」會在記憶體中保存物件並追蹤資料需要的任何變更，然後透過「`engine`」與資料庫溝通。

我們會用 `yield` 建立一個 FastAPI 的「依賴」，為每個請求提供一個新的 `Session`。這可確保每個請求只使用單一的 session。🤓

接著我們建立一個 `Annotated` 的依賴 `SessionDep`，讓後續使用這個依賴的程式碼更簡潔。

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