Python 크롤러가 동영상을 크롤링할 수 있나요?

#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 line def 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 re class Common(): # 获取网页源码 @staticmethod def getHtml(url): html = urllib2.urlopen(url).read() print "[+]获取网页源码:"+url return html # 下载文件 @staticmethod def 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 + filename with 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 @staticmethod def isExist(filepath): return os.path.exists(filepath) @staticmethod def 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/"")