Scrapy爬虫：代理IP配置

Scrapy设置代理IP步骤：

1、在Scrapy工程下新建"middlewares.py":

?

1

2

3

4

5

6

7

8

9

10

11

12

13

import base64 

# Start your middleware class

class ProxyMiddleware(object):

    # overwrite process request

    def process_request(self, request, spider):

        # Set the location of the proxy

        request.meta['proxy'] = "http://YOUR_PROXY_IP:PORT"

   

        # Use the following lines if your proxy requires authentication

        proxy_user_pass = "USERNAME:PASSWORD"

        # setup basic authentication for the proxy

        encoded_user_pass = base64.encodestring(proxy_user_pass)

        request.headers['Proxy-Authorization'] = 'Basic ' + encoded_user_pass

2、在项目配置文件里setting.py添加:

?

1

2

3

4

DOWNLOADER_MIDDLEWARES = {

    'scrapy.contrib.downloadermiddleware.httpproxy.HttpProxyMiddleware': 110,

    'pythontab.middlewares.ProxyMiddleware': 100,

}




转载自：http://my.oschina.net/jhao104/blog/639745