FastAPIの依存性注入とリクエスト処理：DependsとGet Requestの活用

FastAPIと依存性注入システムの概要

FastAPIは、Pythonの非常に高速（高性能）、使いやすい、モダンな、高速（クイック）なWebフレームワークです。FastAPIは、Python 3.6以降の型ヒントを使用してAPIのパラメータを宣言します。これにより、エディタのサポート（補完、型チェックなど）が大幅に向上し、直感的なコーディング体験が提供されます。

FastAPIの一部として、依存性注入システムが提供されています。依存性注入は、コードの再利用性とテストの容易さを向上させるソフトウェア設計のパターンです。FastAPIの依存性注入システムは、Depends関数を使用して依存性を宣言します。これにより、FastAPIは自動的に依存性を解決し、必要なパラメータを提供します。

FastAPIの依存性注入システムは、以下のような特性を持っています：
– 再利用性：同じ依存性を異なる場所で再利用できます。
– テストの容易さ：依存性をモックに置き換えることで、単体テストを容易に行うことができます。
– 分離性：依存性はそれ自体が独立したユニットであり、他の部分から分離して考えることができます。

FastAPIとその依存性注入システムは、高速で効率的なWeb開発を可能にします。依存性注入を理解し、適切に使用することで、コードの品質と保守性を向上させることができます。: https://fastapi.tiangolo.com/; https://fastapi.tiangolo.com/tutorial/path-params/; https://fastapi.tiangolo.com/features/; https://fastapi.tiangolo.com/tutorial/dependencies/; https://en.wikipedia.org/wiki/Dependency_injection; https://fastapi.tiangolo.com/tutorial/dependencies/first-steps/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/reusable-dependencies/; https://fastapi.tiangolo.com/tutorial/testing/; https://fastapi.tiangolo.com/tutorial/dependencies/classes-as-dependencies/

Dependsの基本的な使い方とその利点

FastAPIのDependsは、依存性注入システムの中心的な部分です。依存性とは、ある機能が正常に動作するために必要なもの（例えば、データベース接続や設定値など）を指します。Dependsを使用することで、これらの依存性を効率的に管理し、再利用することができます。

基本的な使い方

FastAPIのDependsは、関数のパラメータとして使用されます。以下に基本的な使い方を示します：

from fastapi import Depends, FastAPI

def get_db():
    db = "database_connection"
    return db

@app.get("/items/")
async def read_items(db = Depends(get_db)):
    return {"db": db}

上記の例では、get_db関数がデータベース接続（ここでは文字列の”database_connection”）を提供します。そして、read_items関数は、そのデータベース接続を必要とします。Depends(get_db)を使用することで、FastAPIは自動的にget_db関数を呼び出し、その結果をread_items関数に渡します。

その利点

Dependsを使用することには、以下のような利点があります：

再利用性：同じ依存性を複数の場所で再利用することができます。これにより、コードの重複を避け、保守性を向上させることができます。
テストの容易さ：依存性をモックに置き換えることで、単体テストを容易に行うことができます。これにより、テスト駆動開発（TDD）を効率的に行うことができます。
分離性：依存性はそれ自体が独立したユニットであり、他の部分から分離して考えることができます。これにより、コードの理解とデバッグが容易になります。

FastAPIのDependsは、これらの利点を活かしながら、高速で効率的なWeb開発を可能にします。: https://fastapi.tiangolo.com/tutorial/dependencies/; https://fastapi.tiangolo.com/tutorial/dependencies/first-steps/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/reusable-dependencies/; https://fastapi.tiangolo.com/tutorial/testing/; https://fastapi.tiangolo.com/tutorial/dependencies/classes-as-dependencies/

リクエストオブジェクトの直接使用

FastAPIでは、リクエストオブジェクトを直接使用することができます。これにより、リクエストに含まれる様々な情報にアクセスすることが可能になります。

リクエストオブジェクトの取得

FastAPIのRequestクラスを使用してリクエストオブジェクトを取得することができます。以下に基本的な使い方を示します：

from fastapi import Depends, FastAPI, Request

app = FastAPI()

@app.get("/items/")
async def read_items(request: Request):
    client_host = request.client.host
    return {"client_host": client_host}

上記の例では、read_items関数のパラメータとしてRequestクラスを使用しています。FastAPIは自動的にリクエストオブジェクトを作成し、それを関数に渡します。このリクエストオブジェクトから、クライアントのホスト情報を取得しています。

リクエストオブジェクトからの情報の取得

リクエストオブジェクトは、リクエストに関する様々な情報を含んでいます。以下に、リクエストオブジェクトから取得できる主な情報をいくつか示します：

request.client：クライアントの情報（例：IPアドレス、ポート番号）を含むオブジェクト。
request.headers：リクエストヘッダーを含む辞書。
request.query_params：クエリパラメータを含む辞書。
request.cookies：クッキーを含む辞書。

これらの情報を利用することで、より詳細なリクエスト処理やカスタムのレスポンス生成などが可能になります。: https://fastapi.tiangolo.com/tutorial/request-models/; https://fastapi.tiangolo.com/tutorial/request-forms/; https://fastapi.tiangolo.com/tutorial/request-files/; https://fastapi.tiangolo.com/tutorial/request-response-model/; https://fastapi.tiangolo.com/tutorial/request-forms-and-files/; https://fastapi.tiangolo.com/tutorial/extra-models/; https://fastapi.tiangolo.com/tutorial/path-params-numeric-validations/; https://fastapi.tiangolo.com/tutorial/query-params-str-validations/; https://fastapi.tiangolo.com/tutorial/header-params/; https://fastapi.tiangolo.com/tutorial/cookie-params/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested-models/; https://fastapi.tiangolo.com/tutorial/body-updates/; https://fastapi.tiangolo.com/tutorial/response-model/; https://fastapi.tiangolo.com/tutorial/extra-data-types/; https://fastapi.tiangolo.com/tutorial/body-nested

DependsとGet Requestを組み合わせた実例

FastAPIのDependsとRequestを組み合わせることで、リクエストに含まれる情報を依存性として扱うことができます。以下に具体的な例を示します：

from fastapi import Depends, FastAPI, Request

def get_client_host(request: Request):
    return request.client.host

@app.get("/items/")
async def read_items(client_host = Depends(get_client_host)):
    return {"client_host": client_host}

上記の例では、get_client_host関数がリクエストオブジェクトを受け取り、クライアントのホスト情報を返しています。そして、read_items関数は、そのクライアントのホスト情報を必要とします。Depends(get_client_host)を使用することで、FastAPIは自動的にget_client_host関数を呼び出し、その結果をread_items関数に渡します。

このように、DependsとRequestを組み合わせることで、リクエストに含まれる情報を依存性として扱い、再利用性とテストの容易さを向上させることができます。: https://fastapi.tiangolo.com/tutorial/dependencies/; https://fastapi.tiangolo.com/tutorial/dependencies/first-steps/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/reusable-dependencies/; https://fastapi.tiangolo.com/tutorial/testing/; https://fastapi.tiangolo.com/tutorial/dependencies/classes-as-dependencies/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies

FastAPIにおける依存性管理のベストプラクティス

FastAPIの依存性管理は、アプリケーションの構造と品質を向上させるための強力なツールです。以下に、FastAPIにおける依存性管理のベストプラクティスをいくつか紹介します：

1. 再利用可能な依存性の作成

依存性は再利用可能であるべきです。同じ依存性を複数の場所で使用することで、コードの重複を避け、保守性を向上させることができます。

2. 依存性の分離

依存性はそれ自体が独立したユニットであり、他の部分から分離して考えることができます。これにより、コードの理解とデバッグが容易になります。

3. テスト可能な依存性の作成

依存性はテスト可能であるべきです。依存性をモックに置き換えることで、単体テストを容易に行うことができます。

4. 依存性の注入

FastAPIのDependsを使用して依存性を注入します。これにより、FastAPIは自動的に依存性を解決し、必要なパラメータを提供します。

5. 依存性の明示的な宣言

依存性は明示的に宣言されるべきです。これにより、コードの読みやすさと保守性が向上します。

これらのベストプラクティスを適用することで、FastAPIを使用した開発がより効率的で保守性の高いものになります。: https://fastapi.tiangolo.com/tutorial/dependencies/; https://fastapi.tiangolo.com/tutorial/dependencies/first-steps/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/reusable-dependencies/; https://fastapi.tiangolo.com/tutorial/testing/; https://fastapi.tiangolo.com/tutorial/dependencies/classes-as-dependencies/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-path-operation-decorators/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-with-yield/; https://fastapi.tiangolo.com/tutorial/dependencies/dependencies-in-security-operations/; https://fastapi.tiangolo.com