python2 爬虫 爬取微博用户的原创微博，和图片以及图片的链接
爬取微博用户的原创微博，和图片以及图片的链接(防止图片有下载不成功的，爬下来链接可以手动去下载不成功的）
爬的是weibo.cn 手机版微博
更改要爬取的用户的id，和你登录的Cookie
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#-*-coding:utf8-*-
#-------------------------------------
# 张琼 西北农林科技大学 计算机141
# 2017年1月31日 20:09:08
# ------------------------------------
import re
import string
import sys
import os
import urllib
import urllib2
from bs4 import BeautifulSoup
import requests
import shutil
import time
from lxml import etree
reload(sys)
sys.setdefaultencoding('utf-8')
# if(len(sys.argv)>=2):
# user_id = (int)(sys.argv[1])
# else:
# user_id = (int)(raw_input(u"please_input_id: "))
user_id = #用户ID #微博用户ID
cookie = {"Cookie": "#你的Cookie"}
url = 'http://weibo.cn/u/%d?filter=1&page=1'%user_id
html = requests.get(url, cookies = cookie).content
print u'user_id和cookie读入成功'
selector = etree.HTML(html)
pageNum = (int)(selector.xpath('//input[@name="mp"]')[0].attrib['value'])
result = ""
urllist_set = set()
word_count = 1
image_count = 1
print u'ready'
print pageNum
sys.stdout.flush()
times = 5
one_step = pageNum/times
for step in range(times):
if step < times - 1:
i = step * one_step + 1
j =(step + 1) * one_step + 1
else:
i = step * one_step + 1
j =pageNum + 1
for page in range(i, j):
#获取lxml页面
try:
url = 'http://weibo.cn/u/%d?filter=1&page=%d'%(user_id,page)
lxml = requests.get(url, cookies = cookie).content
#文字爬取
selector = etree.HTML(lxml)
content = selector.xpath('//span[@class="ctt"]')
for each in content:
text = each.xpath('string(.)')
if word_count >= 3:
text = "%d: "%(word_count - 2) +text+"\n"
else :
text = text+"\n\n"
result = result + text
word_count += 1
print page,'word ok'
sys.stdout.flush()
soup = BeautifulSoup(lxml, "lxml")
urllist = soup.find_all('a',href=re.compile(r'^http://weibo.cn/mblog/oripic',re.I))
urllist1 = soup.find_all('a',href=re.compile(r'^http://weibo.cn/mblog/picAll',re.I))
for imgurl in urllist:
imgurl['href'] = re.sub(r"amp;", '', imgurl['href'])
# print imgurl['href']
urllist_set.add(requests.get(imgurl['href'], cookies = cookie).url)
image_count +=1
for imgurl_all in urllist1:
html_content = requests.get(imgurl_all['href'], cookies = cookie).content
soup = BeautifulSoup(html_content, "lxml")
urllist2 = soup.find_all('a',href=re.compile(r'^/mblog/oripic',re.I))
for imgurl in urllist2:
imgurl['href'] = 'http://weibo.cn' + re.sub(r"amp;", '', imgurl['href'])
urllist_set.add(requests.get(imgurl['href'], cookies = cookie).url)
image_count +=1
image_count -= 1
print page,'picurl ok'
except:
print page,'error'
# print page, 'sleep'
sys.stdout.flush()
#time.sleep(60)
# print u'正在进行第', step + 1, u'次停顿，防止访问次数过多'
#time.sleep(300)
try:
isExists=os.path.exists(os.getcwd()+"/%s"%user_id)
if not isExists:
os.mkdir(os.getcwd()+"/%s"%user_id)
# userpath=os.getcwd()+"/%s"%user_id
else:
print "目录存在"
userpath=os.getcwd()+"/%s"%user_id
fo = open(userpath+"/%s"% user_id, "wb")
fo.write(result)
# word_path=os.getcwd()+'/%s'% user_id
print u'文字微博爬取完毕'
link = ""
fo2 = open(userpath+"/%s_imageurls"% user_id, "wb")
for eachlink in urllist_set:
link = link + eachlink +"\n"
fo2.write(link)
print u'图片链接爬取完毕'
except:
print u'存放数据地址有误'
sys.stdout.flush()
if not urllist_set:
print u'该用户原创微博中不存在图片'
else:
#下载图片,保存在当前目录的pythonimg文件夹下
image_path=userpath+'/weibo_image'
if os.path.exists(image_path) is False:
os.mkdir(image_path)
x = 1
for imgurl in urllist_set:
temp= image_path + '/%s.jpg' % x
print u'正在下载第%s张图片' % x
try:
# urllib.urlretrieve(urllib2.urlopen(imgurl).geturl(),temp)
r = requests.get(imgurl, stream=True)
if r.status_code == 200:
with open(temp, 'wb') as f:
r.raw.decode_content = True
shutil.copyfileobj(r.raw, f)
except:
print u"该图片下载失败:%s"%imgurl
x += 1
print u'原创微博爬取完毕，共%d条，保存路径%s'%(word_count - 3,userpath)
print u'微博图片爬取完毕，共%d张，保存路径%s'%(image_count - 1,image_path)