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httpproxymiddleware's Issues

代码有句有点想不明白

def process_request(self, request, spider):
"""
将request设置为使用代理
"""
if self.proxy_index > 0 and datetime.now() > (self.last_no_proxy_time + timedelta(minutes=self.recover_interval)):
logger.info("After %d minutes later, recover from using proxy" % self.recover_interval)
self.last_no_proxy_time = datetime.now()
self.proxy_index = 0
request.meta["dont_redirect"] = True

博主我想问下这段代码中self.proxy_index = 0是什么意思呢?如果是将request设置为使用代理的话,设置self.proxy_index = 0,不就是使用零号代理(无代理)了吗?

报错了

我使用上面的代理去抓取点评的页面,运行几分钟后发生错误<twisted.python.failure.Failure twisted.internet.error.ConnectionDone: Connection was closed cleanly,试过几次都是报同样的错误,所以想问下是代理IP不行吗?还是。。。

KeyError

HttpProxyMiddleware中request.meta["proxy_index"]会报错,KeyError:‘proxy_index'.

直连时,什么时候切换IP?

看了源码,一直好奇,代理时,什么时候切换IP,尤其是当直连时,遇到服务器返回302 或者 403时,
貌似在parse中抛出异常,在process_exception中也捕获不了,想让它切换IP,希望能明示。

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