ERROR: Could not find a version that satisfies the requirement Twisted>=13.1.0 (from Scrapy) (from versions: none) ERROR: No matching distribution found for T...
scrapy源码中修改日志时间显示方式, from scrapy.extensions import corestats 重写 corestats中 的 spider_opened 和 spider_closed。
1.在Scrapy工程下新建“middlewares.py”Importing base64 library because we'll need it ONLY in case if the proxy we are going to use requires authenticationimport base6...