Sync fastapi docs from b5ca1324 on 2025-12-07

fastapi/middleware/__init__.py

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+from starlette.middleware import Middleware as Middleware

fastapi/middleware/asyncexitstack.py

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+from contextlib import AsyncExitStack
+
+from starlette.types import ASGIApp, Receive, Scope, Send
+
+
+# Used mainly to close files after the request is done, dependencies are closed
+# in their own AsyncExitStack
+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
+            await self.app(scope, receive, send)

fastapi/middleware/cors.py

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+from starlette.middleware.cors import CORSMiddleware as CORSMiddleware  # noqa

fastapi/middleware/gzip.py

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+from starlette.middleware.gzip import GZipMiddleware as GZipMiddleware  # noqa

fastapi/middleware/httpsredirect.py

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+from starlette.middleware.httpsredirect import (  # noqa
+    HTTPSRedirectMiddleware as HTTPSRedirectMiddleware,
+)

fastapi/middleware/trustedhost.py

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+from starlette.middleware.trustedhost import (  # noqa
+    TrustedHostMiddleware as TrustedHostMiddleware,
+)

fastapi/middleware/wsgi.py

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+from starlette.middleware.wsgi import WSGIMiddleware as WSGIMiddleware  # noqa