def _not_found()

in aws_lambda_powertools/event_handler/api_gateway.py [0:0]

• 20 lines of code
• 4 McCabe index (conditional complexity)

    def _not_found(self, method: str) -> ResponseBuilder:
        """Called when no matching route was found and includes support for the cors preflight response"""
        headers = {}
        if self._cors:
            logger.debug("CORS is enabled, updating headers.")
            headers.update(self._cors.to_dict())

            if method == "OPTIONS":
                logger.debug("Pre-flight request detected. Returning CORS with null response")
                headers["Access-Control-Allow-Methods"] = ",".join(sorted(self._cors_methods))
                return ResponseBuilder(Response(status_code=204, content_type=None, headers=headers, body=None))

        handler = self._lookup_exception_handler(NotFoundError)
        if handler:
            return ResponseBuilder(handler(NotFoundError()))

        return ResponseBuilder(
            Response(
                status_code=HTTPStatus.NOT_FOUND.value,
                content_type=content_types.APPLICATION_JSON,
                headers=headers,
                body=self._json_dump({"statusCode": HTTPStatus.NOT_FOUND.value, "message": "Not found"}),
            )
        )