python3.5 beautiful4.4 扣扣国内新闻 爬虫

#!/usr/bin/python3
# -*- coding: UTF-8 -*- 
'''
Created on 2016年11月18日

@author:  baoyou curiousby@163.com
'''

 
   
#http://ssdfz001.iteye.com/blog/2228685  
   
import  urllib.request
import urllib.parse
import os, sys 
import codecs 
import bs4 
from bs4 import BeautifulSoup  
import re
import urllib.request, urllib.parse, http.cookiejar 

     
#跟网址 http://news.qq.com/c/816guonei_1.htm  
base_url='http://news.qq.com/'
url='http://news.qq.com/c/816guonei_1.htm'  
#存储路径  
save_path='C:/Users/cmcc-B100036/Desktop/'  
save_img='img'  
save_txt='text'  
#抽取正则  
reg = '<a target=\"_blank\" class=\"pic\" href=\"([^\"]*)\"><img class=\"picto\" src=\"([^\"]*)\"></a><em class=\"f14 l24\"><a target=\"_blank\" class=\"linkto\" href=\"[^\"]*\">([^</a>]*)</a></em><p class=\"l22\">([^</p>]*)</p>'  
#request消息头  
heads = {   
'Accept':'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',  
'Accept-Encoding':'gzip, deflate, sdch',  
'Accept-Language':'zh-CN,zh;q=0.8',  
'Cache-Control':'max-age=0',  
'Host':'news.qq.com',  
'Proxy-Connection':'keep-alive',  
'Upgrade-Insecure-Requests':'1',  
'User-Agent':'Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36'  
}  
  
#获取网页信息  
def getHtml(url):  
    fp = urllib.request.urlopen(url)
    bytes = fp.read()
    respAllHtml = bytes.decode('gbk')
    fp.close();
    #print('---- respAllHtml----',respAllHtml);
    return respAllHtml;  
  
#获取新闻列表  
def getList(url):   
    respHtml = getHtml(url);
    #print('---- respHtml----',respHtml);
    soup = BeautifulSoup(respHtml ,'html.parser');  
    list = soup.find_all('div',class_='Q-tpList');
#    print('-----------list .len------------',len(list));
    contents=[]   
    for x in list:  
        contents.append(x)  
    return contents  
#获取文本信息到本地  
def loadText(contents):  
    for content in contents :  
        load(content)  
#下载资源  
def load(content):   
#    print(content.prettify());  
#    
#    print(content.find('a',class_='pic'))
#    print(content.find('a',class_='pic')['href'])
#    print(content.find('a',class_='pic').img)
#    print(content.find('a',class_='pic').img['src'])
#    print( content.find('a',class_='linkto'))
#    print( content.find('a',class_='linkto').get_text())
#    print(content.find('p')) 
    urlsuffix=content.find('a',class_='pic')['href'];
    detailurl=base_url + urlsuffix; 
    detailimg= content.find('a',class_='pic').img['src'];   
    detailtitle = content.find('a',class_='linkto').get_text();   
    detailcontent = content.find('p').get_text();
    
    save_path='C:/Users/cmcc-B100036/Desktop/'
    save_path   =  save_path+urlsuffix.replace(".htm","");  
    if not os.path.exists(save_path):  
        os.makedirs( save_path, 0o755 );   
    newstext = save_path+'/%s'%save_txt  
    newsimg= save_path+'/%s'%save_img  
    if not os.path.exists(newstext):  
        os.makedirs( newstext, 0o755 );  
    if not os.path.exists(newsimg):  
        os.makedirs( newsimg, 0o755 );     
    urllib.request.urlretrieve(detailimg,newsimg+"/img.png"  );
    with codecs.open(newstext+"/text.txt",'w+','utf-8') as fp:  
        fp.write(detailurl+'\t'+detailimg+'\t'+detailtitle+'\t'+detailcontent)    
    #print ('------------------------------------------------------------ end one news')   
        
if __name__=="__main__":  
#     url=raw_input("""输入目标网址\n       按回车键结束\n""")  
    print ('---------------------start--------------------------------------')
    url='http://news.qq.com/c/816guonei_1.htm'; 
    contents = getList(url);
    loadText(contents);
    print ('---------------------end---------------------------------------') 

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