def send()

in botocore/httpsession.py [0:0]
52 lines of code
11 McCabe index (conditional complexity)

    def send(self, request):
        try:
            proxy_url = self._proxy_config.proxy_url_for(request.url)
            manager = self._get_connection_manager(request.url, proxy_url)
            conn = manager.connection_from_url(request.url)
            self._setup_ssl_cert(conn, request.url, self._verify)
            if ensure_boolean(
                os.environ.get('BOTO_EXPERIMENTAL__ADD_PROXY_HOST_HEADER', '')
            ):
                # This is currently an "experimental" feature which provides
                # no guarantees of backwards compatibility. It may be subject
                # to change or removal in any patch version. Anyone opting in
                # to this feature should strictly pin botocore.
                host = urlparse(request.url).hostname
                conn.proxy_headers['host'] = host

            request_target = self._get_request_target(request.url, proxy_url)
            urllib_response = conn.urlopen(
                method=request.method,
                url=request_target,
                body=request.body,
                headers=request.headers,
                retries=Retry(False),
                assert_same_host=False,
                preload_content=False,
                decode_content=False,
                chunked=self._chunked(request.headers),
            )

            http_response = botocore.awsrequest.AWSResponse(
                request.url,
                urllib_response.status,
                urllib_response.headers,
                urllib_response,
            )

            if not request.stream_output:
                # Cause the raw stream to be exhausted immediately. We do it
                # this way instead of using preload_content because
                # preload_content will never buffer chunked responses
                http_response.content

            return http_response
        except URLLib3SSLError as e:
            raise SSLError(endpoint_url=request.url, error=e)
        except (NewConnectionError, socket.gaierror) as e:
            raise EndpointConnectionError(endpoint_url=request.url, error=e)
        except ProxyError as e:
            raise ProxyConnectionError(proxy_url=mask_proxy_url(proxy_url), error=e)
        except URLLib3ConnectTimeoutError as e:
            raise ConnectTimeoutError(endpoint_url=request.url, error=e)
        except URLLib3ReadTimeoutError as e:
            raise ReadTimeoutError(endpoint_url=request.url, error=e)
        except ProtocolError as e:
            raise ConnectionClosedError(
                error=e,
                request=request,
                endpoint_url=request.url
            )
        except Exception as e:
            message = 'Exception received when sending urllib3 HTTP request'
            logger.debug(message, exc_info=True)
            raise HTTPClientError(error=e)