No End of Stream message when playing has finished

[Tom Hanson]

I am using gstreamer with python to play some music and need to trigger an
event when playback has finished. I have tried this using the method
provided in the tutorial but it simply does nothing when the track
finishes. Here is the code I'm using:

class Slave(object):
  """Provides methods for playback on slave devices"""
  def __init__(self):
    self.playlist = []
    self.playlist_index = 0
    self.playlist_length = 0
    self.player = gst.element_factory_make('playbin2', 'player')
    fakesink = gst.element_factory_make('fakesink', 'fakesink')
    self.player.set_property('video-sink', fakesink)
    bus = self.player.get_bus()
    bus.add_signal_watch()
    bus.connect('message', self.on_message)

  def play_list(self, playlist):
    """Starts playing the playlist provided"""
    self.playlist = playlist
    self.playlist_index = 0
    self.playlist_length = len(self.playlist)
    self.player.set_property('uri', self.playlist[self.playlist_index])
    self.player.set_state(gst.STATE_PLAYING)

def on_message(self, bus, message):
    t = message.type
    if t == gst.MESSAGE_EOS:
      self.skip_forward()
    elif t == gst.MESSAGE_ERROR:
      self.skip_forward()
      #TODO: Log this

Either I'm doing something wrong or there's a bug somewhere. Anyone got any
ideas?
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