利用树莓派畅享落网电台音乐体验

apt-get install mpg123

#!/usr/bin/python
# coding: utf-8
# Filename: luoFm.py
import httplib
import json
import re
import sys
import subprocess
import urllib2
import time
from select import select
reload(sys)
sys.setdefaultencoding(‘utf-8‘)
class LuoFM_CLI:
def __init__(self, channel):
self.user = None
self.username = ‘‘
self.ch = channel
self.kbps = 128
def get_songlist(self):
httpConnection = httplib.HTTPConnection(‘www.luoo.net‘)
httpConnection.request(‘GET‘, ‘/music/‘ + self.ch)
luoHtml = httpConnection.getresponse().read()
playPattern = "volPlaylist\s*=\s*(\[\s*\{[\s\S]+?\}\s*\]);"
playUrl = re.compile(playPattern).findall(luoHtml)
self.songlist = json.loads(playUrl[0])
def control(self, r):
rlist, _, _ = select([sys.stdin], [], [], 1)
if rlist:
s = sys.stdin.readline()
if s[0] == ‘n‘:
return ‘next‘
elif s[0] == ‘p‘:
return ‘prev‘
def start(self):
self.get_songlist()
n = 0
while n < len(self.songlist):
r = self.songlist[n]
song_uri = r[‘mp3‘]
self.playmode = True
request = urllib2.Request(song_uri)
response = urllib2.urlopen(request)
headers = response.info()
#获取播放时长，这里选用128kbps 的码率 时长 = mp3的大小(kb) * 8 / 128
duratiOns= int(headers[‘Content-Length‘]) * 8 / 1000 / self.kbps
starttime = time.time()
print(u‘正在播放： ‘ + r[‘title‘] + u‘ 歌手： ‘ + r[‘artist‘])
self.player = subprocess.Popen([‘mpg123‘, ‘-v‘, song_uri], shell=False, universal_newlines=True, stdin=None,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
while self.playmode:
c = self.control(r)
endtime = time.time()
usetime = endtime - starttime - durations
if c == ‘next‘ or usetime > 4:
self.player.kill()
n = n + 1
break
elif c == ‘prev‘:
self.player.kill()
n = n - 1
break
self.start
c = raw_input(‘请输入您想听的专辑数字:‘)
luoFm = LuoFM_CLI(c)
use_info = u‘‘‘
下一曲输入n
上一曲输入p
‘‘‘
print(use_info)
while 1:
luoFm.start()