def on_playlist_changed(self, changed_val):
changed_dict = changed_val.get_dict()
type = changed_dict["type"]
if type not in (xmmsclient.PLAYLIST_CHANGED_INSERT,
xmmsclient.PLAYLIST_CHANGED_MOVE,
xmmsclient.PLAYLIST_CHANGED_REMOVE,
xmmsclient.PLAYLIST_CHANGED_REPLACE):
return True
if type == xmmsclient.PLAYLIST_CHANGED_REPLACE:
logging.debug("playlist replaced, resetting")
self.reset_playlist_cache()
return True
pos = changed_dict["position"]
if type == xmmsclient.PLAYLIST_CHANGED_REMOVE:
logging.debug("removal dict: %s", changed_dict)
if pos > 0:
recommend.negative(self.playlist_entries_cache[pos-1],
self.playlist_entries_cache[pos],
recommend.FEEDBACK_WEIGHT_HIGH)
del self.playlist_entries_cache[pos]
elif type == xmmsclient.PLAYLIST_CHANGED_INSERT:
logging.debug("insert dict: %s", changed_dict)
mid = changed_dict["id"]
if self.check_own_insertion(pos, mid):
weight = recommend.FEEDBACK_WEIGHT_LOW
else:
weight = recommend.FEEDBACK_WEIGHT_HIGH
if pos > 0:
recommend.positive(self.playlist_entries_cache[pos-1],
mid, weight)
self.playlist_entries_cache.insert(pos, mid)
elif type == xmmsclient.PLAYLIST_CHANGED_MOVE:
logging.debug("move dict: %s", changed_dict)
mid = changed_dict["id"]
newpos = changed_dict["newposition"]
del self.playlist_entries_cache[pos]
self.playlist_entries_cache.insert(newpos, mid)
if newpos > 0:
recommend.positive(self.playlist_entries_cache[newpos-1],
self.playlist_entries_cache[newpos],
recommend.FEEDBACK_WEIGHT_HIGH)
self.fill_playlist()
return True
def on_current_id(self, id_val):
if len(self.last_mids) == 2:
previous, skipped = self.last_mids
infos = self.query_infos_for_mid(skipped, ("duration", "laststarted"))
playtime = time.time() - infos["laststarted"]
duration = infos["duration"] / 1000.0 # ms -> s
if playtime < duration*self.FAST_SONG_CHANGE_FACTOR:
logging.debug("fast song change, giving negative feedback")
recommend.negative(previous,
skipped,
recommend.FEEDBACK_WEIGHT_LOW)
self.last_mids.append(id_val.get_int())
self.fill_playlist(id_val.get_int())
return True
