[爬虫]统计豆瓣读书中每个标签下的前两百本书

先说下结果吧，结果就是我的IP被豆瓣封了。。。

 1 from bs4 import BeautifulSoup
 2 import requests
 3 import csv
 4 
 5 def storeorder(book):
 6     ibook = open(book+'.csv', 'w+', newline='')
 7     writer = csv.writer(ibook)
 8     for urlnum in range(0, 200, 20):
 9         url = 'https://book.douban.com/tag/{book}?start={urlnum}&type=T'.format(book=book,urlnum=urlnum)
10         headers = {'User-Agent':'Mozilla/5.0 (X11; Linux x86_64)'
11                                 ' AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.64 Safari/537.11'}
12         html = requests.get(url,headers=headers)
13         obj = BeautifulSoup(html.text)
14         try:
15             for item in obj.find('ul', {'class': 'subject-list'}).findAll('a'):
16                 if 'title' in item.attrs:
17                     print(item.attrs['href'])
18                     writer.writerow((item.attrs['title'], item.attrs['href']))
19         except AttributeError:
20             print("哈哈哈，你的ip被封了！！！")
21             raise AttributeError
22 
23 
24 booklist = ['科学','互联网','算法','通信','程序','神经网络','经济学','金融','经济','历史','小说']
25 for v in booklist:
26     storeorder(v)

 

posted @ 2017-03-17 19:10  wilderness  阅读(354)  评论(0)  编辑  收藏  举报