def _retry(self, request, reason, spider):
proxy = request.meta.get('proxy')
if proxy:
priority = get_priority(proxy)
if priority:
add_or_update(proxy, priority + PRIORITY_RATE)
proxy = get_proxy()
if proxy:
request.meta['proxy'] = proxy
spider.log('RetryMiddleware used proxy: %s, new proxy: %s' %
(request.meta['proxy'], proxy), logging.DEBUG)
super(ProxyRetryMiddleware, self)._retry(request, reason, spider)
def _response_downloaded(self, response, request, spider):
key, slot = self._get_slot(request, spider)
latency = request.meta.get('download_latency') * 1000
proxy = request.meta.get('proxy')
if latency is None or slot is None or proxy is None:
return
if self.debug:
size = len(response.body)
conc = len(slot.transferring)
msg = "slot: %s | conc: %2d | latency:%5d ms | size: %6d bytes | proxy:%s" \
% (key, conc, latency, size, proxy)
spider.log(msg, level=logging.DEBUG)
add_or_update(proxy, latency)
def process_item(self, item, spider):
add_or_update(item["proxy"], item["priority"])
return item
