import requests
from bs4 import BeautifulSoup
import os
STATUS_OK,STATUS_ERROR,STATUS_EXITS=1,-1,0
class CloudMusic:header = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 SE 2.X MetaSr 1.0'}def Down(self, down_url, filePath, NowIndex, TotalCount, FileDir):if not os.path.isdir(FileDir):  os.makedirs(FileDir)if os.path.isfile(FileDir + "/" + filePath + ".mp3"):print(filePath+"，本地已存在")return STATUS_EXITSresponse = requests.get(down_url, headers=CloudMusic.header, allow_redirects=False)try:r = requests.get(response.headers['Location'], stream=True)size=int(r.headers['content-length'])print('\033[0;31m'+str(NowIndex) + "/" + str(TotalCount) + "  当前下载-" + filePath + "  文件大小:" + str(size) + "字节"+"\033[0m")CurTotal=0with open(FileDir + "/" + filePath + ".mp3", "wb") as f:for chunk in r.iter_content(chunk_size=512*1024):if chunk:f.write(chunk)CurTotal += len(chunk)print("\r" + filePath + "--下载进度:" + '%3s' % (str(CurTotal*100//size)) + "%", end='')print()r.close()return STATUS_OKexcept Exception as e:print(filePath + " 下载出错!" + " 错误信息" + str(e.args))if os.path.isfile(FileDir + "/" + filePath + ".mp3"):  os.remove(FileDir + "/" + filePath + ".mp3")return STATUS_ERRORdef ParsingPlayList(self, url):response=requests.get(url=url, headers=CloudMusic.header)soup=BeautifulSoup(response.text, "html.parser")alist=soup.select("a")Songs=[]for music in alist:if music.has_attr("href"):if str(music.attrs["href"]).startswith("/song?id="):id=str(music.attrs["href"]).replace("/song?id=", "")try:Songs.append({"id": id,"url": "http://music.163.com/song/media/outer/url?id=" + id + ".mp3","name": music.text})except:passreturn Songsdef Start(self, MusicList, Dd):total=len(MusicList)CurIndex=OkCount=FalseCount=ExitCount=0print("歌单共计:" + str(len(MusicList)) + "首")for data in MusicList:CurIndex+=1status=self.Down(data["url"],data["name"].replace("/",""),CurIndex,total,Dd)if status==1:   OkCount+=1elif status==0: ExitCount+=1else:           FalseCount+=1print("下载成功"+str(OkCount)+"首"+"\n下载失败"+str(FalseCount)+"首"+"\n本地已存在"+str(ExitCount)+"首")if __name__=="__main__":CrawlerClient= CloudMusic()# CrawlerClient.Start(CrawlerClient.ParsingPlayList("https://music.163.com/playlist?id=1992662269&userid=315893058"), "广场舞")# CrawlerClient.Start(CrawlerClient.ParsingPlayList("https://music.163.com/playlist?id=2584781662"),"治愈")CrawlerClient.Start(CrawlerClient.ParsingPlayList("https://music.163.com/playlist?id=2243470689&userid=315893058"),"mp3")