python批量爬取文档

 1 import urllib.request
 2 import os
 3 
 4 def getFile(url):
 5     file_name = url.split(‘/‘)[-1]
 6     u = urllib.request.urlopen(url)
 7     f = open(file_name, ‘wb‘)
 8     block_sz = 8192
 9     while True:
10         buffer = u.read(block_sz)
11         if not buffer:
12             break
13         f.write(buffer)
14     f.close()
15     print("Sucessful to download" + " " + file_name)
16 
17 os.chdir(os.path.join(os.getcwd(), ‘pdf_download‘))
18 
19 f=open(‘E:/VGID_Text/url_list.txt‘)
20 url_list=f.readlines()
21 url_lst=[]
22 for line in url_list:
23     line=line.rstrip("\n")
24     getFile(line)