#!/usr/bin/python
import socket

def get_headers(sock):
  buff = ""
  cnt = 0
  while(cnt != 4):
    byte = sock.recv(1)
    bytenum = ord(byte)
    if bytenum == 10 or bytenum == 13:
      cnt = cnt + 1
    else:
      cnt = 0
    buff += byte
  headers = {}
  lines = buff.split("\n")
  for line in lines:
    line = line.rstrip()
    lineprts = line.split(":")
    if len(lineprts) == 2:
      headers[lineprts[0]] = lineprts[1]
  return headers

def get_fixed_bytes(sock, num):
  buff = ""
  got = 0
  while(got < num):
    toget = num - got
    data = sock.recv(toget)
    got = got + len(data)
    buff = buff + data
  return buff

def parse_meta(str):
  rtv = {}
  metas = str.split(";")
  for meta in metas:
    meta = meta.rstrip()
    if len(meta) > 2:
      metaprts = meta.split("=")
      if len(metaprts) == 2:
        rtv[metaprts[0]] = metaprts[1].lstrip("'").rstrip("'").replace("\\'", "'")
  return rtv

def get_shoutcast_meta(host, port):
  sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  sock.connect((host, port))
  sock.send("GET / HTTP/1.0\nIcy-MetaData:1\n\n")
  headers = get_headers(sock)
  metaint = int(headers['icy-metaint'])
  data = get_fixed_bytes(sock, metaint)
  metalenstr = sock.recv(1)
  metalen = ord(metalenstr) * 16
  meta = get_fixed_bytes(sock, metalen)
  metas = parse_meta(meta)
  sock.close()
  sockopen = False
  return {'headers': headers, 'metas': metas}

host = "stream.example.com"
port = 8008
print get_shoutcast_meta(host, port)