Method _make_request

scrapy/core/downloader/handlers/_httpx.py:113–145

(
        self, request: Request, timeout: float
    )

    @asynccontextmanager
    async def _make_request(
        self, request: Request, timeout: float
    ) -> AsyncIterator[httpx.Response]:
        client = self._get_client(self._extract_proxy_url_with_creds(request))
        try:
            async with client.stream(
                request.method,
                request.url,
                content=request.body,
                headers=request.headers.to_tuple_list(),
                timeout=timeout,
            ) as response:
                yield response
        except httpx.TimeoutException as e:
            raise DownloadTimeoutError(
                f"Getting {request.url} took longer than {timeout} seconds."
            ) from e
        except httpx.UnsupportedProtocol as e:
            raise UnsupportedURLSchemeError(str(e)) from e
        except httpx.ConnectError as e:
            error_message = str(e)
            if (
                "Name or service not known" in error_message
                or "getaddrinfo failed" in error_message
                or "nodename nor servname" in error_message
                or "Temporary failure in name resolution" in error_message
            ):
                raise CannotResolveHostError(error_message) from e
            raise DownloadConnectionRefusedError(str(e)) from e
        except httpx.ProxyError as e:
            raise DownloadConnectionRefusedError(str(e)) from e
        except (httpx.NetworkError, httpx.RemoteProtocolError) as e:
            raise DownloadFailedError(str(e)) from e

    @staticmethod
    def _extract_headers(response: httpx.Response) -> Headers: