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  1. docs/zh/docs/tutorial/dependencies/sub-dependencies.md

    # 子依赖项
    
    FastAPI 支持创建含**子依赖项**的依赖项。
    
    并且,可以按需声明任意**深度**的子依赖项嵌套层级。
    
    **FastAPI** 负责处理解析不同深度的子依赖项。
    
    ### 第一层依赖项
    
    下列代码创建了第一层依赖项:
    
    {* ../../docs_src/dependencies/tutorial005.py hl[8:9] *}
    
    这段代码声明了类型为 `str` 的可选查询参数 `q`,然后返回这个查询参数。
    
    这个函数很简单(不过也没什么用),但却有助于让我们专注于了解子依赖项的工作方式。
    
    ### 第二层依赖项
    
    接下来,创建另一个依赖项函数,并同时用该依赖项自身再声明一个依赖项(所以这也是一个「依赖项」):
    
    {* ../../docs_src/dependencies/tutorial005.py hl[13] *}
    
    这里重点说明一下声明的参数:
    
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  2. docs_src/async_tests/app_a_py39/main.py

    from fastapi import FastAPI
    
    app = FastAPI()
    
    
    @app.get("/")
    async def root():
    Registered: Sun Dec 28 07:19:09 UTC 2025
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  3. docs_src/first_steps/tutorial003_py39.py

    from fastapi import FastAPI
    
    app = FastAPI()
    
    
    @app.get("/")
    def root():
    Registered: Sun Dec 28 07:19:09 UTC 2025
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  4. .github/DISCUSSION_TEMPLATE/translations.yml

    labels: [lang-all]
    body:
      - type: markdown
        attributes:
          value: |
            Thanks for your interest in helping translate the FastAPI docs! 🌍
    
            Please follow these instructions carefully to propose a new language translation. 🙏
    
            This structured process helps ensure translations can be properly maintained long-term.
      - type: checkboxes
        id: checks
        attributes:
          label: Initial Checks
    Registered: Sun Dec 28 07:19:09 UTC 2025
    - Last Modified: Sat Jul 26 11:35:42 UTC 2025
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  5. tests/test_skip_defaults.py

    from typing import Optional
    
    from fastapi import FastAPI
    from fastapi.testclient import TestClient
    from pydantic import BaseModel
    
    app = FastAPI()
    
    
    class SubModel(BaseModel):
        a: Optional[str] = "foo"
    
    
    class Model(BaseModel):
        x: Optional[int] = None
        sub: SubModel
    
    
    class ModelSubclass(Model):
        y: int
        z: int = 0
        w: Optional[int] = None
    
    
    class ModelDefaults(BaseModel):
    Registered: Sun Dec 28 07:19:09 UTC 2025
    - Last Modified: Fri Jul 07 17:12:13 UTC 2023
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  6. tests/test_ws_dependencies.py

    import json
    from typing import Annotated
    
    from fastapi import APIRouter, Depends, FastAPI, WebSocket
    from fastapi.testclient import TestClient
    
    
    def dependency_list() -> list[str]:
        return []
    
    
    DepList = Annotated[list[str], Depends(dependency_list)]
    
    
    def create_dependency(name: str):
        def fun(deps: DepList):
            deps.append(name)
    
        return Depends(fun)
    
    
    Registered: Sun Dec 28 07:19:09 UTC 2025
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  7. docs_src/behind_a_proxy/tutorial001_01_py39.py

    from fastapi import FastAPI
    
    app = FastAPI()
    
    
    @app.get("/items/")
    def read_items():
    Registered: Sun Dec 28 07:19:09 UTC 2025
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  8. docs_src/sql_databases/tutorial002_py39.py

    from typing import Union
    
    from fastapi import Depends, FastAPI, HTTPException, Query
    from sqlmodel import Field, Session, SQLModel, create_engine, select
    
    
    class HeroBase(SQLModel):
        name: str = Field(index=True)
        age: Union[int, None] = Field(default=None, index=True)
    
    
    class Hero(HeroBase, table=True):
        id: Union[int, None] = Field(default=None, primary_key=True)
        secret_name: str
    
    
    class HeroPublic(HeroBase):
    Registered: Sun Dec 28 07:19:09 UTC 2025
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  9. docs/tr/docs/tutorial/path-params.md

    ```JSON
    {"item_id":3}
    ```
    
    /// check | Ek bilgi
    
    Dikkatinizi çekerim ki, fonksiyonunuzun aldığı (ve döndürdüğü) değer olan `3` bir string `"3"` değil aksine bir Python `int`'idir.
    
    Bu tanımlamayla birlikte, **FastAPI** size otomatik istek <abbr title="HTTP isteği ile birlikte gelen string'i Python verisine dönüştürme">"ayrıştırma"</abbr> özelliği sağlar.
    
    ///
    
    ## Veri Doğrulama
    
    Registered: Sun Dec 28 07:19:09 UTC 2025
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  10. docs/uk/docs/tutorial/path-params.md

    ```JSON
    {"item_id":3}
    ```
    
    /// check | Примітка
    
    Зверніть увагу, що значення, яке отримала (і повернула) ваша функція, — це `3`. Це Python `int`, а не рядок `"3"`.
    
    Отже, з таким оголошенням типу  **FastAPI**  автоматично виконує <abbr title="перетворення рядка, що надходить із HTTP-запиту, у типи даних Python">"парсинг"</abbr> запитів.
    
    ///
    
    ## <abbr title="Або валідація">Перевірка</abbr> даних
    
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