info.py

#!/usr/bin/env python

import pygst
pygst.require('0.10')
import os
import gst
from gobject import timeout_add, MainLoop

mainloop = MainLoop()
pipeline = gst.element_factory_make('playbin')

def on_eos(gst_bus, message):
    timeout_add(0, get_tag)

def on_error(gst_bus, message):
    timeout_add(0, get_tag)

def on_tag(gst_bus, message):
    tags = message.parse_tag()
    for key in tags.keys():
        print tags[key]
    timeout_add(0, get_tag)
    
gst_bus = pipeline.get_bus()
gst_bus.add_signal_watch()
gst_bus.connect('message::eos', on_eos)
gst_bus.connect('message::error', on_error)
gst_bus.connect('message::tag', on_tag)

def files():
    for root, dirs, files in os.walk("/home/josch/Music/"):
        for name in files:
            yield os.path.join(root, name)

f = files()

def get_tag():
    pipeline.set_state(gst.STATE_NULL)
    try:
        track = f.next()
    except StopIteration:
        mainloop.quit()
    else:
        print "--", track
        pipeline.set_property('uri','file://'+track)
        pipeline.set_state(gst.STATE_PLAYING)

timeout_add(0, get_tag)
mainloop.run()