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  1. tests/test_stringified_annotations_simple.py

    from __future__ import annotations
    
    from typing import Annotated
    
    from fastapi import Depends, FastAPI, Request
    from fastapi.testclient import TestClient
    
    from .utils import needs_py310
    
    
    class Dep:
        def __call__(self, request: Request):
            return "test"
    
    
    @needs_py310
    def test_stringified_annotations():
        app = FastAPI()
    
        client = TestClient(app)
    
        @app.get("/test/")
    Registered: Sun Dec 28 07:19:09 UTC 2025
    - Last Modified: Wed Dec 17 21:25:59 UTC 2025
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  2. fastapi/middleware/asyncexitstack.py

    class AsyncExitStackMiddleware:
        def __init__(
            self, app: ASGIApp, context_name: str = "fastapi_middleware_astack"
        ) -> None:
            self.app = app
            self.context_name = context_name
    
        async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None:
            async with AsyncExitStack() as stack:
                scope[self.context_name] = stack
    Registered: Sun Dec 28 07:19:09 UTC 2025
    - Last Modified: Mon Sep 29 03:29:38 UTC 2025
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  3. docs/ko/docs/advanced/advanced-dependencies.md

    ## "호출 가능한" 인스턴스
    
    Python에는 클래스의 인스턴스를 "호출 가능"하게 만드는 방법이 있습니다.
    
    클래스 자체(이미 호출 가능함)가 아니라 해당 클래스의 인스턴스에 대해 호출 가능하게 하는 것입니다.
    
    이를 위해 `__call__` 메서드를 선언합니다:
    
    {* ../../docs_src/dependencies/tutorial011_an_py39.py hl[12] *}
    
    이 경우, **FastAPI**는 추가 매개변수와 하위 의존성을 확인하기 위해 `__call__`을 사용하게 되며,
    나중에 *경로 연산 함수*에서 매개변수에 값을 전달할 때 이를 호출하게 됩니다.
    
    ## 인스턴스 매개변수화하기
    
    이제 `__init__`을 사용하여 의존성을 "매개변수화"할 수 있는 인스턴스의 매개변수를 선언할 수 있습니다:
    
    Registered: Sun Dec 28 07:19:09 UTC 2025
    - Last Modified: Mon Nov 18 02:25:44 UTC 2024
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  4. docs/zh/docs/advanced/advanced-dependencies.md

    但也可以为依赖项设置参数,避免声明多个不同的函数或类。
    
    假设要创建校验查询参数 `q` 是否包含固定内容的依赖项。
    
    但此处要把待检验的固定内容定义为参数。
    
    ## **可调用**实例
    
    Python 可以把类实例变为**可调用项**。
    
    这里说的不是类本身(类本就是可调用项),而是类实例。
    
    为此,需要声明 `__call__` 方法:
    
    {* ../../docs_src/dependencies/tutorial011.py hl[10] *}
    
    本例中,**FastAPI**  使用 `__call__` 检查附加参数及子依赖项,稍后,还要调用它向*路径操作函数*传递值。
    
    ## 参数化实例
    
    接下来,使用 `__init__` 声明用于**参数化**依赖项的实例参数:
    
    {* ../../docs_src/dependencies/tutorial011.py hl[7] *}
    
    Registered: Sun Dec 28 07:19:09 UTC 2025
    - Last Modified: Mon Nov 18 02:25:44 UTC 2024
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  5. fastapi/security/api_key.py

                location=APIKeyIn.query,
                name=name,
                scheme_name=scheme_name,
                description=description,
                auto_error=auto_error,
            )
    
        async def __call__(self, request: Request) -> Optional[str]:
            api_key = request.query_params.get(self.model.name)
            return self.check_api_key(api_key)
    
    
    class APIKeyHeader(APIKeyBase):
        """
    Registered: Sun Dec 28 07:19:09 UTC 2025
    - Last Modified: Wed Dec 17 21:25:59 UTC 2025
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  6. fastapi/security/open_id_connect_url.py

            return HTTPException(
                status_code=HTTP_401_UNAUTHORIZED,
                detail="Not authenticated",
                headers={"WWW-Authenticate": "Bearer"},
            )
    
        async def __call__(self, request: Request) -> Optional[str]:
            authorization = request.headers.get("Authorization")
            if not authorization:
                if self.auto_error:
                    raise self.make_not_authenticated_error()
    Registered: Sun Dec 28 07:19:09 UTC 2025
    - Last Modified: Wed Dec 17 21:25:59 UTC 2025
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  7. fastapi/security/oauth2.py

            """
            return HTTPException(
                status_code=HTTP_401_UNAUTHORIZED,
                detail="Not authenticated",
                headers={"WWW-Authenticate": "Bearer"},
            )
    
        async def __call__(self, request: Request) -> Optional[str]:
            authorization = request.headers.get("Authorization")
            if not authorization:
                if self.auto_error:
                    raise self.make_not_authenticated_error()
    Registered: Sun Dec 28 07:19:09 UTC 2025
    - Last Modified: Wed Dec 17 21:25:59 UTC 2025
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  8. docs/en/docs/advanced/advanced-dependencies.md

    Not the class itself (which is already a callable), but an instance of that class.
    
    To do that, we declare a method `__call__`:
    
    {* ../../docs_src/dependencies/tutorial011_an_py39.py hl[12] *}
    
    Registered: Sun Dec 28 07:19:09 UTC 2025
    - Last Modified: Thu Nov 13 07:37:15 UTC 2025
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  9. tests/test_custom_middleware_exception.py

                            "code": 999,
                            "message": "File limit exceeded",
                        },
                    )
                return message
    
            return inner
    
        async def __call__(self, scope, receive, send):
            if scope["type"] != "http" or self.max_content_size is None:
                await self.app(scope, receive, send)
                return
    
            wrapper = self.receive_wrapper(receive)
    Registered: Sun Dec 28 07:19:09 UTC 2025
    - Last Modified: Thu Aug 25 21:44:40 UTC 2022
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  10. docs/es/docs/advanced/advanced-dependencies.md

    No la clase en sí (que ya es un callable), sino una instance de esa clase.
    
    Para hacer eso, declaramos un método `__call__`:
    
    {* ../../docs_src/dependencies/tutorial011_an_py39.py hl[12] *}
    
    En este caso, este `__call__` es lo que **FastAPI** usará para comprobar parámetros adicionales y sub-dependencias, y es lo que llamará para pasar un valor al parámetro en tu *path operation function* más adelante.
    Registered: Sun Dec 28 07:19:09 UTC 2025
    - Last Modified: Tue Dec 16 16:33:45 UTC 2025
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