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docs_src/settings/app03_an_py310/main.py
from typing import Annotated from fastapi import Depends, FastAPI from . import config app = FastAPI() @lru_cache def get_settings(): return config.Settings() @app.get("/info") async def info(settings: Annotated[config.Settings, Depends(get_settings)]): return { "app_name": settings.app_name, "admin_email": settings.admin_email, "items_per_user": settings.items_per_user,
Created: Sun Apr 05 07:19:11 GMT 2026 - Last Modified: Thu Feb 12 13:19:43 GMT 2026 - 451 bytes - Click Count (0) -
docs/ja/docs/advanced/settings.md
Created: Sun Apr 05 07:19:11 GMT 2026 - Last Modified: Fri Mar 20 14:07:17 GMT 2026 - 12.7K bytes - Click Count (0) -
docs/ko/docs/advanced/settings.md
의존성 함수가 단순히 다음과 같다면: ```Python def get_settings(): return Settings() ``` 요청마다 객체를 생성하게 되고, 요청마다 `.env` 파일을 읽게 됩니다. ⚠️ 하지만 위에 `@lru_cache` 데코레이터를 사용하고 있으므로, `Settings` 객체는 최초 호출 시 딱 한 번만 생성됩니다. ✔️ {* ../../docs_src/settings/app03_an_py310/main.py hl[1,11] *} 그 다음 요청들에서 의존성으로 `get_settings()`가 다시 호출될 때마다, `get_settings()`의 내부 코드를 실행해서 새 `Settings` 객체를 만드는 대신, 첫 호출에서 반환된 동일한 객체를 계속 반환합니다.Created: Sun Apr 05 07:19:11 GMT 2026 - Last Modified: Fri Mar 20 14:06:26 GMT 2026 - 11.9K bytes - Click Count (0) -
docs_src/settings/app02_py310/main.py
from functools import lru_cache from fastapi import Depends, FastAPI from .config import Settings app = FastAPI() @lru_cache def get_settings(): return Settings() @app.get("/info") async def info(settings: Settings = Depends(get_settings)): return { "app_name": settings.app_name, "admin_email": settings.admin_email, "items_per_user": settings.items_per_user,
Created: Sun Apr 05 07:19:11 GMT 2026 - Last Modified: Thu Feb 12 13:19:43 GMT 2026 - 406 bytes - Click Count (0) -
docs_src/settings/app03_py310/main.py
from functools import lru_cache from fastapi import Depends, FastAPI from . import config app = FastAPI() @lru_cache def get_settings(): return config.Settings() @app.get("/info") async def info(settings: config.Settings = Depends(get_settings)): return { "app_name": settings.app_name, "admin_email": settings.admin_email, "items_per_user": settings.items_per_user,
Created: Sun Apr 05 07:19:11 GMT 2026 - Last Modified: Thu Feb 12 13:19:43 GMT 2026 - 412 bytes - Click Count (0) -
docs_src/settings/app02_an_py310/main.py
from typing import Annotated from fastapi import Depends, FastAPI from .config import Settings app = FastAPI() @lru_cache def get_settings(): return Settings() @app.get("/info") async def info(settings: Annotated[Settings, Depends(get_settings)]): return { "app_name": settings.app_name, "admin_email": settings.admin_email, "items_per_user": settings.items_per_user,
Created: Sun Apr 05 07:19:11 GMT 2026 - Last Modified: Thu Feb 12 13:19:43 GMT 2026 - 445 bytes - Click Count (0) -
docs/zh-hant/docs/advanced/settings.md
都會建立一個新的 `Settings` 物件,而且在建立時會再次讀取 `.env` 檔。 如果相依函式只是像這樣: ```Python def get_settings(): return Settings() ``` 我們就會為每個請求建立該物件,並在每個請求都讀取 `.env` 檔。⚠️ 但由於我們在上方使用了 `@lru_cache` 裝飾器,`Settings` 物件只會在第一次呼叫時建立一次。✔️ {* ../../docs_src/settings/app03_an_py310/main.py hl[1,11] *} 之後在下一批請求的相依中任何對 `get_settings()` 的呼叫,都不會再執行 `get_settings()` 的內部程式碼與建立新的 `Settings` 物件,而是會一再回傳第一次呼叫時回傳的同一個物件。Created: Sun Apr 05 07:19:11 GMT 2026 - Last Modified: Fri Mar 20 17:05:38 GMT 2026 - 10.3K bytes - Click Count (0) -
docs/en/docs/advanced/settings.md
{* ../../docs_src/settings/app03_an_py310/main.py hl[1,11] *} Then for any subsequent call of `get_settings()` in the dependencies for the next requests, instead of executing the internal code of `get_settings()` and creating a new `Settings` object, it will return the same object that was returned on the first call, again and again. #### `lru_cache` Technical Details { #lru-cache-technical-details }Created: Sun Apr 05 07:19:11 GMT 2026 - Last Modified: Thu Mar 05 18:13:19 GMT 2026 - 10.9K bytes - Click Count (0) -
docs/zh/docs/advanced/settings.md
都会创建一个新的 `Settings` 对象,并且在创建时会再次读取 `.env` 文件。 如果依赖项函数是这样的: ```Python def get_settings(): return Settings() ``` 我们就会为每个请求创建该对象,并为每个请求读取 `.env` 文件。 ⚠️ 但由于我们在顶部使用了 `@lru_cache` 装饰器,`Settings` 对象只会在第一次调用时创建一次。 ✔️ {* ../../docs_src/settings/app03_an_py310/main.py hl[1,11] *} 接着,对于后续请求中依赖项里对 `get_settings()` 的任何调用,它不会再次执行 `get_settings()` 的内部代码并创建新的 `Settings` 对象,而是会一遍又一遍地返回第一次调用时返回的那个相同对象。Created: Sun Apr 05 07:19:11 GMT 2026 - Last Modified: Fri Mar 20 17:06:37 GMT 2026 - 10.4K bytes - Click Count (0) -
docs/es/docs/advanced/settings.md
{* ../../docs_src/settings/app03_an_py310/main.py hl[1,11] *} Entonces, para cualquier llamada subsiguiente de `get_settings()` en las dependencias de los próximos requests, en lugar de ejecutar el código interno de `get_settings()` y crear un nuevo objeto `Settings`, devolverá el mismo objeto que fue devuelto en la primera llamada, una y otra vez.Created: Sun Apr 05 07:19:11 GMT 2026 - Last Modified: Thu Mar 19 18:15:55 GMT 2026 - 11.7K bytes - Click Count (0)