#sinavideo.py
#coding=utf-8
import os
import re
import urllib2
import urllib
from common import Common
class SinaVideo():URL_PIRFIX = "http://us.sinaimg.cn/"def getM3u8(self,html):reg = re.compile(r'list=([\s\S]*?)&fid')result = reg.findall(html)return result[0]def getName(self,url):return url.split('=')[1]def getSinavideoUrl(self,filepath):f = open(filepath,'r')lines = f.readlines()f.close()for line in lines:if line[0] !='#':return linedef download(self,url,filepath):#获取名称name = self.getName(url)html = Common.getHtml(url)m3u8 = self.getM3u8(html)Common.download(urllib.unquote(m3u8),filepath,name + '.m3u8')url = self.URL_PIRFIX + self.getSinavideoUrl(filepath+name+'.m3u8')Common.download(url,filepath,name+'.mp4')

#common.py
#coding=utf-8
import urllib2
import os
import reclass Common():#  获取网页源码
    @staticmethoddef getHtml(url):html = urllib2.urlopen(url).read()print  "[+]获取网页源码:"+urlreturn html# 下载文件
    @staticmethoddef download(url,filepath,filename):headers = {'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8','Accept-Charset': 'UTF-8,*;q=0.5','Accept-Encoding': 'gzip,deflate,sdch','Accept-Language': 'en-US,en;q=0.8','User-Agent': 'Mozilla/5.0 (Linux; Android 4.4.2; Nexus 4 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.114 Mobile Safari/537.36'}request = urllib2.Request(url,headers = headers);response = urllib2.urlopen(request)path = filepath + filenamewith open(path,'wb') as output:while True:buffer = response.read(1024*256);if not buffer:break# received += len(buffer)
                output.write(buffer)print "[+]下载文件成功:"+path@staticmethoddef isExist(filepath):return os.path.exists(filepath)@staticmethoddef createDir(filepath):os.makedirs(filepath,0777)

 url = "http://video.weibo.com/show?fid=1034:0988e59a12e5178acb7f23adc3fe5e97"
sinavideo = SinaVideo()         sinavideo.download(url,""/Users/cheng/Documents/PyScript/res/"")