middlewares.py 文件源码

def __init__(self, crawler):
        super(RandomUserAgentMiddleware, self).__init__()

        self.ua = UserAgent()
        self.per_proxy = crawler.settings.get('RANDOM_UA_PER_PROXY', False)
        self.ua_type = crawler.settings.get('RANDOM_UA_TYPE', 'random')
        self.proxy2ua = {}