get_route_handler() — fastapi Function Reference

Architecture documentation for the get_route_handler() function in tutorial003_py310.py from the fastapi codebase.

Function python FastAPI Responses calls 1

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FastAPI→ Responses→ get_route_handler() — fastapi Function Reference

Dependency Diagram

graph TD
  76b9112c_e10c_9fec_0fa2_a748d4271bb6["get_route_handler()"]
  2152a884_3ef1_bb8b_7208_01baaa0fdc45["TimedRoute"]
  76b9112c_e10c_9fec_0fa2_a748d4271bb6 -->|defined in| 2152a884_3ef1_bb8b_7208_01baaa0fdc45
  2b3c8ec5_f007_7808_7e6a_0e94569b6a17["get_route_handler()"]
  76b9112c_e10c_9fec_0fa2_a748d4271bb6 -->|calls| 2b3c8ec5_f007_7808_7e6a_0e94569b6a17
  style 76b9112c_e10c_9fec_0fa2_a748d4271bb6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

docs_src/custom_request_and_route/tutorial003_py310.py lines 9–22

    def get_route_handler(self) -> Callable:
        original_route_handler = super().get_route_handler()

        async def custom_route_handler(request: Request) -> Response:
            before = time.time()
            response: Response = await original_route_handler(request)
            duration = time.time() - before
            response.headers["X-Response-Time"] = str(duration)
            print(f"route duration: {duration}")
            print(f"route response: {response}")
            print(f"route response headers: {response.headers}")
            return response

        return custom_route_handler