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  1. docs/zh/docs/tutorial/dependencies/index.md

    当你在**大型代码库**中,在**很多*路径操作***里反复使用**相同的依赖**时,这会特别有用。
    
    ## 要不要使用 `async`? { #to-async-or-not-to-async }
    
    由于依赖项也会由 **FastAPI** 调用(与*路径操作函数*相同),因此定义函数时同样的规则也适用。
    
    你可以使用 `async def` 或普通的 `def`。
    
    你可以在普通的 `def` *路径操作函数*中声明 `async def` 的依赖项;也可以在异步的 `async def` *路径操作函数*中声明普通的 `def` 依赖项,等等。
    
    都没关系,**FastAPI** 知道该怎么处理。
    
    /// note | 注意
    
    如果不了解异步,请参阅文档中关于 `async` 和 `await` 的章节:[异步:*“着急了?”*](../../async.md#in-a-hurry)。
    
    ///
    
    Created: Sun Apr 05 07:19:11 GMT 2026
    - Last Modified: Fri Mar 20 17:06:37 GMT 2026
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  2. docs_src/custom_request_and_route/tutorial002_py310.py

    from fastapi.routing import APIRoute
    
    
    class ValidationErrorLoggingRoute(APIRoute):
        def get_route_handler(self) -> Callable:
            original_route_handler = super().get_route_handler()
    
            async def custom_route_handler(request: Request) -> Response:
                try:
                    return await original_route_handler(request)
                except RequestValidationError as exc:
                    body = await request.body()
    Created: Sun Apr 05 07:19:11 GMT 2026
    - Last Modified: Wed Dec 10 08:55:32 GMT 2025
    - 935 bytes
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  3. docs_src/path_params/tutorial003_py310.py

    from fastapi import FastAPI
    
    app = FastAPI()
    
    
    @app.get("/users/me")
    async def read_user_me():
        return {"user_id": "the current user"}
    
    
    @app.get("/users/{user_id}")
    async def read_user(user_id: str):
    Created: Sun Apr 05 07:19:11 GMT 2026
    - Last Modified: Thu Feb 12 13:19:43 GMT 2026
    - 236 bytes
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  4. docs_src/body_updates/tutorial002_py310.py

        "baz": {"name": "Baz", "description": None, "price": 50.2, "tax": 10.5, "tags": []},
    }
    
    
    @app.get("/items/{item_id}", response_model=Item)
    async def read_item(item_id: str):
        return items[item_id]
    
    
    @app.patch("/items/{item_id}")
    async def update_item(item_id: str, item: Item) -> Item:
        stored_item_data = items[item_id]
        stored_item_model = Item(**stored_item_data)
    Created: Sun Apr 05 07:19:11 GMT 2026
    - Last Modified: Wed Feb 04 12:07:26 GMT 2026
    - 1009 bytes
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  5. tests/test_strict_content_type_app_level.py

    from fastapi import FastAPI
    from fastapi.testclient import TestClient
    
    app_default = FastAPI()
    
    
    @app_default.post("/items/")
    async def app_default_post(data: dict):
        return data
    
    
    app_lax = FastAPI(strict_content_type=False)
    
    
    @app_lax.post("/items/")
    async def app_lax_post(data: dict):
        return data
    
    
    client_default = TestClient(app_default)
    client_lax = TestClient(app_lax)
    
    
    Created: Sun Apr 05 07:19:11 GMT 2026
    - Last Modified: Mon Feb 23 17:45:20 GMT 2026
    - 1.1K bytes
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  6. docs/ru/docs/advanced/events.md

    ```Python
    with open("file.txt") as file:
        file.read()
    ```
    
    В последних версиях Python есть также асинхронный менеджер контекста. Его используют с `async with`:
    
    ```Python
    async with lifespan(app):
        await do_stuff()
    ```
    
    Created: Sun Apr 05 07:19:11 GMT 2026
    - Last Modified: Thu Mar 19 17:56:20 GMT 2026
    - 12.6K bytes
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  7. docs_src/events/tutorial001_py310.py

    from fastapi import FastAPI
    
    app = FastAPI()
    
    items = {}
    
    
    @app.on_event("startup")
    async def startup_event():
        items["foo"] = {"name": "Fighters"}
        items["bar"] = {"name": "Tenders"}
    
    
    @app.get("/items/{item_id}")
    async def read_items(item_id: str):
    Created: Sun Apr 05 07:19:11 GMT 2026
    - Last Modified: Thu Feb 12 13:19:43 GMT 2026
    - 283 bytes
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  8. docs/es/docs/advanced/dataclasses.md

    8. Nota que esta *path operation function* usa `def` regular en lugar de `async def`.
    
        Como siempre, en FastAPI puedes combinar `def` y `async def` según sea necesario.
    
        Si necesitas un repaso sobre cuándo usar cuál, revisa la sección _"¿Con prisa?"_ en la documentación sobre [`async` y `await`](../async.md#in-a-hurry).
    
    Created: Sun Apr 05 07:19:11 GMT 2026
    - Last Modified: Thu Mar 19 18:15:55 GMT 2026
    - 4.3K bytes
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  9. docs/pt/docs/advanced/dataclasses.md

    8. Note que esta *função de operação de rota* usa `def` regular em vez de `async def`.
    
        Como sempre, no FastAPI você pode combinar `def` e `async def` conforme necessário.
    
        Se você precisar de uma atualização sobre quando usar qual, confira a seção _"Com pressa?"_ na documentação sobre [`async` e `await`](../async.md#in-a-hurry).
    
    Created: Sun Apr 05 07:19:11 GMT 2026
    - Last Modified: Thu Mar 19 18:20:43 GMT 2026
    - 4.3K bytes
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  10. docs/pt/docs/advanced/events.md

    ```Python
    with open("file.txt") as file:
        file.read()
    ```
    
    Em versões mais recentes do Python, há também um **gerenciador de contexto assíncrono**. Você o usaria com `async with`:
    
    ```Python
    async with lifespan(app):
        await do_stuff()
    ```
    
    Created: Sun Apr 05 07:19:11 GMT 2026
    - Last Modified: Thu Mar 19 18:20:43 GMT 2026
    - 8.7K bytes
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