Add middleware.py

middleware.py

@@ -0,0 +1,37 @@
+import logging
+from typing import Awaitable, Callable
+
+class SimpleMiddleware:
+    """A minimal ASGI middleware that logs incoming request paths.
+
+    This middleware is deliberately lightweight and does not depend on
+    any external libraries. It can be wrapped around any ASGI application
+    (e.g., FastAPI, Starlette) to provide basic request logging.
+    """
+
+    def __init__(self, app: Callable):
+        self.app = app
+        self.logger = logging.getLogger(__name__)
+
+    async def __call__(self, scope, receive, send):
+        if scope.get("type") == "http":
+            path = scope.get("path", "<unknown>")
+            self.logger.info(f"Incoming request: {path}")
+        await self.app(scope, receive, send)
+
+# Helper function for convenience
+
+def get_middleware(app: Callable) -> SimpleMiddleware:
+    """Return an instance of :class:`SimpleMiddleware` wrapped around *app*.
+
+    Parameters
+    ----------
+    app: Callable
+        The ASGI application to wrap.
+
+    Returns
+    -------
+    SimpleMiddleware
+        The middleware instance.
+    """
+    return SimpleMiddleware(app)