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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 - 1.9K bytes - Viewed (0) -
tests/test_dependency_partial.py
class CallableDependency: def __call__(self, value: str) -> str: return value class CallableGenDependency: def __call__(self, value: str) -> Generator[str, None, None]: yield value class AsyncCallableDependency: async def __call__(self, value: str) -> str: return value class AsyncCallableGenDependency: async def __call__(self, value: str) -> AsyncGenerator[str, None]:Registered: Sun Dec 28 07:19:09 UTC 2025 - Last Modified: Wed Dec 17 21:25:59 UTC 2025 - 6.3K bytes - Viewed (0) -
fastapi/dependencies/models.py
dunder_call = getattr(_impartial(self.call), "__call__", None) # noqa: B004 if dunder_call is None: return False # pragma: no cover if inspect.isgeneratorfunction( _impartial(dunder_call) ) or inspect.isgeneratorfunction(_unwrapped_call(dunder_call)): return True dunder_unwrapped_call = getattr(_unwrapped_call(self.call), "__call__", None) # noqa: B004
Registered: Sun Dec 28 07:19:09 UTC 2025 - Last Modified: Wed Dec 17 21:25:59 UTC 2025 - 7.1K bytes - Viewed (0) -
tests/test_dependency_class.py
class CallableDependency: def __call__(self, value: str) -> str: return value class CallableGenDependency: def __call__(self, value: str) -> Generator[str, None, None]: yield value class AsyncCallableDependency: async def __call__(self, value: str) -> str: return value class AsyncCallableGenDependency: async def __call__(self, value: str) -> AsyncGenerator[str, None]:Registered: Sun Dec 28 07:19:09 UTC 2025 - Last Modified: Wed Dec 17 21:25:59 UTC 2025 - 4.4K bytes - Viewed (0) -
docs_src/dependencies/tutorial011_py39.py
from fastapi import Depends, FastAPI app = FastAPI() class FixedContentQueryChecker: def __init__(self, fixed_content: str): self.fixed_content = fixed_content def __call__(self, q: str = ""): if q: return self.fixed_content in q return False checker = FixedContentQueryChecker("bar") @app.get("/query-checker/")
Registered: Sun Dec 28 07:19:09 UTC 2025 - Last Modified: Wed Dec 17 20:41:43 UTC 2025 - 504 bytes - Viewed (0) -
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 - 9.6K bytes - Viewed (1) -
docs_src/dependencies/tutorial011_an_py39.py
from typing import Annotated from fastapi import Depends, FastAPI app = FastAPI() class FixedContentQueryChecker: def __init__(self, fixed_content: str): self.fixed_content = fixed_content def __call__(self, q: str = ""): if q: return self.fixed_content in q return False checker = FixedContentQueryChecker("bar") @app.get("/query-checker/")
Registered: Sun Dec 28 07:19:09 UTC 2025 - Last Modified: Sat Mar 18 12:29:59 UTC 2023 - 544 bytes - Viewed (0) -
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 - 545 bytes - Viewed (0) -
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] = stackRegistered: Sun Dec 28 07:19:09 UTC 2025 - Last Modified: Mon Sep 29 03:29:38 UTC 2025 - 637 bytes - Viewed (0) -
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 - 2.9K bytes - Viewed (0)