get_route_handler() — fastapi Function Reference

Architecture documentation for the get_route_handler() function in tutorial002_an_py310.py from the fastapi codebase.

Function python FastAPI Responses calls 2

Entity Profile

FastAPI→ Responses→ get_route_handler() — fastapi Function Reference

Dependency Diagram

graph TD
  4e083208_d1cb_8c30_4934_6afea76257ab["get_route_handler()"]
  9dda2b47_091e_da54_5562_3b05e7817133["ValidationErrorLoggingRoute"]
  4e083208_d1cb_8c30_4934_6afea76257ab -->|defined in| 9dda2b47_091e_da54_5562_3b05e7817133
  2b3c8ec5_f007_7808_7e6a_0e94569b6a17["get_route_handler()"]
  4e083208_d1cb_8c30_4934_6afea76257ab -->|calls| 2b3c8ec5_f007_7808_7e6a_0e94569b6a17
  7702da8c_3f6b_a8bb_d4ca_61939c372354["errors()"]
  4e083208_d1cb_8c30_4934_6afea76257ab -->|calls| 7702da8c_3f6b_a8bb_d4ca_61939c372354
  style 4e083208_d1cb_8c30_4934_6afea76257ab fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

docs_src/custom_request_and_route/tutorial002_an_py310.py lines 10–21

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

        async def custom_route_handler(request: Request) -> Response:
            try:
                return await original_route_handler(request)
            except RequestValidationError as exc:
                body = await request.body()
                detail = {"errors": exc.errors(), "body": body.decode()}
                raise HTTPException(status_code=422, detail=detail)

        return custom_route_handler