doubanFM.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import json, requests, os.path, subprocess
class DoubanFM():
    def __init__(self):
        self.logined = False
        self.history = []
        self.song_list = []
        self.channel = 1
        self.cur_song = {'sid':''}
#        self.proxy = {'http':'http://127.0.0.1:9341'}
        self.proxy = None
    def login(self,email,passwd):
        payload={'email':email,'password':passwd,'app_name':'radio_desktop_win','version':100}
        url = 'http://www.douban.com/j/app/login'
        r = requests.post(url, data=payload,proxies=self.proxy)
        data = r.json()
        if data['err']!='ok':
            print('login failed')
            return False
        self.user_id = data['user_id']
        self.expire = data['expire']
        self.token = data['token']
        self.logined = True
        return True
    def changeChannel(self,channel):
        self.channel = channel
    def playSong(self):
        if len(self.song_list) < 2:
            self.song_list.extend(self.getSongList(self.channel))
        song = self.song_list.pop(0)
        self.history.append(song)
        if len(self.history) > 15:
            self.history.pop(0)
        self.cur_song = song
        print('%s %s'%(song['artist'],song['title']))
        return song
    def getParams(self,channel):
        type = 'n'
        h = ''
        if len(self.history)>0:
            type = 'p'
            h = '|'+':p|'.join([x['sid'] for x in self.history])+':p'
            self.history = []
        if self.logined:
            params = {'app_name':'radio_desktop_win','version':100,'user_id':self.user_id,
                'expire':self.expire,'token':self.token,'type':type,'sid':self.cur_song['sid'],'h':h,'channel':channel}
        else:
            params = {'app_name':'radio_desktop_win','version':100,'type':type,'sid':self.cur_song['sid'],'h':h,'channel':channel}
        return params
    def getSongList(self,channel):
        url = 'http://www.douban.com/j/app/radio/people'
        payload = self.getParams(channel)
        r = requests.get(url,params=payload,proxies=self.proxy)
        return r.json()['song']
    def getChannels(self):
        url = 'http://www.douban.com/j/app/radio/channels'
        r = requests.get(url,proxies=self.proxy)
        return r.json()['channels']
    def printChannels(self):
        self.channels = ''
        if not self.channels:
            self.channels = self.getChannels()
        for channel in self.channels:
            print('%s\t%s\t%s'%(channel['channel_id'],channel['name'],channel['name_en']))
class MusicPlayer():
    def running(self):
        doubanFM = DoubanFM()
        channels = doubanFM.printChannels()
        c = raw_input('channel:')
        doubanFM.changeChannel(int(c))
        if c=='0':
            email = raw_input("email:") 
            import getpass
            password = getpass.getpass("password:") 
            if not doubanFM.login(email,password):
                doubanFM.changeChannel(1)
        while True:
            song = doubanFM.playSong()
            self.playing(url=song['url'])
    def playing(self,url):
        cmd = ['ffplay',url,'-nodisp','-autoexit']
        pro = subprocess.Popen(cmd,stdout=subprocess.PIPE,stderr=subprocess.PIPE)
        try:
            pro.communicate()
        except Exception,e:
            pro.terminate()
def main():
    player = MusicPlayer()
    player.running()
if __name__=='__main__':
    main()