我的第一个python爬虫程序

#-*-coding:utf-8-*-

'''
Created on 2016年10月20日

@author: audi
'''

import urllib2
import re
from bs4 import BeautifulSoup

import sys
reload(sys)
sys.setdefaultencoding('utf-8')

count = 0
path = "pic/tupian"
headers = {
'User-Agent':'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6'
}
for x in range(1,10):
temp_url = "http://www.qiushibaike.com/imgrank/page/%d"%x
req = urllib2.Request(
url = temp_url,
headers = headers
)
try:
data = urllib2.urlopen(req,timeout=10).read()
except:
print "打开页面链接超时！！！！"
continue
else:
print "打开页面成功，开始解析数据。。"
soup=BeautifulSoup(data,'html.parser',from_encoding='utf-8')
#         图片链接的div标签格式
#         <div class="thumb">
#             <a href="/article/117795261" target="_blank">
#                 <img src="http://pic.qiushibaike.com/system/pictures/11779/117795261/medium/app117795261.jpg" alt="我想变成妈妈的眼睛，这样我就可以一直粘在妈妈的身上">
#             </a>
#         </div>
#         查询所有图片所在的div标签内容
content = soup.find_all('div',class_ = 'thumb')   #(jpg|JPG|jpeg)
#         links集合存放最终的图片的链接
links = set()
#         再次过滤以获得图片的链接
for i in content:
temp_link = i.find_all('a',href=re.compile(r"/article/\d"))
temp_linnk = temp_link[0].find('img',src=re.compile(r"\.(jpg|JPG|jpeg)"))
temp_linnk = temp_linnk['src']
links.add(temp_linnk)

for link in links:
try:
picData = urllib2.urlopen(link,timeout=3).read()
except:
print "当前子链接打开失败。。"
continue
else:
file_name = path + str(count) + '.jpg'
count +=1
f = file(file_name,"wb")
f.write(picData)
f.close()
print "爬取第" + str(count) + "个链接" + link

print "恭喜你，爬取图片结束！！！！！！！！！！！！"