#!/usr/bin/env python2

import json
import socket
import os.path

def get_mpv_info():
    client = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
    client.connect("/tmp/mpvsocket")
    for i in ['media-title', 'playback-time', 'length']:
        req = '{"command": ["get_property", "%s"]}\n' %i
        client.send(req)
        res[i] = json.loads(client.recv(1024))['data']

    client.close()
    return res

d = get_mpv_info()
print(d['filename'])