from?baike_spider?import?html_downloader,?url_manager,?html_parser,\
????html_outputer
????
????
class?SpiderMian(object):
????def?__inti__(self):
????????self.urls=url_manager.UrlManager()
????????self.downloader=html_downloader.HtmlDownloader()
????????self.parser=html_parser.HtmlParse()
????????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()????
????
????
if?__name__=="__main__":
????root_url="https://baike.baidu.com/item/Python/407313"
????obj_spider=SpiderMian()
????obj_spider.craw(root_url)

上面是碼

下面是錯誤提示

Traceback (most recent call last):

? File "D:\Python codes\python3\baike_spider\spider_main.py", line 37, in <module>

? ? obj_spider.craw(root_url)

? File "D:\Python codes\python3\baike_spider\spider_main.py", line 14, in craw

? ? self.urls.add_new_url(root_url)

AttributeError: 'SpiderMian' object has no attribute 'urls'