python爬虫换电脑不能运行_Python百度爬虫，运行只打开了一个网页，报错无法运行。实在不知道哪里错了...

# coding:utf-8

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_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 == 10:

break

count = count + 1

except:

print('craw failed')

self.outputer.output_html()

if __name__=='__main__':

root_url = 'http://baike.baidu.com/view/21087.htm'

obj_spider = SpiderMain()

obj_spider.craw(root_url)