到python 3.5报错： AttributeError: 'SpiderMain' object has no attribute 'urls'

Question

import url_manager, html_downloader, html_parser,html_outputerclass SpiderMain(object): def _init_(self): self.urls = url_manager.UrlManager() self.downloader = html_downloader.htmlDownloader() self.parser = html_parser.HtmlParser() self.outputer = html_outputer.HtmlOutputer() def craw(self, root_url): count = 1 self.urls.add_new_url(root_url) while self.urls.has_new_url(): try: new_url = self.urls.get_new_url() print('craw %d :  %s' % (count, new_url)) html_cont = self.downloader.download(new_url) new_urls, new_data = self.parser.parse(new_url, html_cont) self.urls.add_new_urls(new_urls) self.outputer.collect_data(new_data) if count == 1000: break count = count + 1 except: print ('craw failed') self.outputer.output_html(new_data)if __name__ == '__main__': root_url = "http://baike.baidu.com/item/Python/407313?fr=aladdin" obj_spider = SpiderMain() obj_spider.craw(root_url)找了很久也没找到原因，谢谢！

Answer 1

12行报错 你查看下 你UrlManager这个类中,urls变量是不是写对了  感觉可能是你add_new_url()参数写错了