Method _lookup_path

fastapi/routing.py:1923–1933

(self, path: str)

        raise HTTPException(status_code=404)

    async def _lookup_path(self, path: str) -> tuple[str, os.stat_result | None]:
        try:
            return await run_in_threadpool(self.lookup_path, path)
        except PermissionError:
            raise HTTPException(status_code=401) from None
        except OSError as exc:
            if exc.errno == errno.ENAMETOOLONG:
                raise HTTPException(status_code=404) from None
            raise exc
        except ValueError:
            raise HTTPException(status_code=404) from None

    async def _lookup_static_resource(
        self, path: str