import requests import random import os# 查找字符串 def findSubstrings(substrings,destString):res =destString.find(substrings)if res:return resslist=[] s2 =[] ############################################### ## filename = '直播' ## 變量 ## ############################################### if not os.path.exists(filename):os.makedirs(filename)print(filename + " 目錄創建成功！")fi =open( filename + ".txt",'r')# 從文本文件中取的下載地址存入列表 for line in fi:url = line.strip()endpos =findSubstrings('.ts',url)+3slist.append(url[:endpos])# 去重復 for i in slist:if i not in s2:s2.append(i)#下載 for i in s2:print(i)print(i[-5:])## 1找到urlurl=i#url ="http://v.stu.126.net/mooc-video/nos/mp4/2017/02/28/1005853348_f171329df9a543528f1d3661025dafb4_shd.mp4"headers ={"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_0) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11"} user_agent = ["Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; en) Presto/2.8.131 Version/11.11","Opera/9.80 (Windows NT 6.1; U; en) Presto/2.8.131 Version/11.11","MQQBrowser/26 Mozilla/5.0 (Linux; U; Android 2.3.7; zh-cn; MB200 Build/GRJ22; CyanogenMod-7) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1","Opera/9.80 (Android 2.3.4; Linux; Opera Mobi/build-1107180945; U; en-GB) Presto/2.8.149 Version/11.10","NOKIA5700/ UCWEB7.0.2.37/28/999","Openwave/ UCWEB7.0.2.37/28/999",]headers = {'User-Agent': random.choice(user_agent)}## 2解析urlr = requests.get(url,headers =headers)## 3提取數據ret =r.content #這個url的二進制數據## 4保存數據with open('./{0}/{1}'.format(filename,url[-5:]),'wb') as f:f.write(ret)print(" 下載完成")fi.close()

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