python 3.5 解析器代码问题
name 'new_urls' is not defined
这个怎么解决
name 'new_urls' is not defined
这个怎么解决
2016-12-01
#调度程序
import url_manager, html_downloader, html_parser, html_outputer
class 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_url,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 Exception as err:
                print(err)
        self.outputer.output_html()
if __name__ == "__main__":
    root_url = "http://baike.baidu.com/view/21087.htm"
    obj_spider = SpiderMain()
    obj_spider.craw(root_url)举报