def advance_station(sid):
playlist.prepare_cooldown_algorithm(sid)
playlist.clear_updated_albums(sid)
# TODO LATER: Make sure we can "pause" the station here to handle DJ interruptions
# Requires controlling the streamer itself to some degree and will take more
# work on the API than the back-end.
current[sid].finish()
last_song = current[sid].get_song()
if last_song:
history[sid].insert(0, last_song)
db.c.update("INSERT INTO r4_song_history (sid, song_id) VALUES (%s, %s)", (sid, last_song.id))
while len(history[sid]) > 3:
history[sid].pop()
# TODO: IMPORTANT: Block currently playing song/album from being selected so there's no "hole"
integrate_new_events(sid)
sort_next(sid)
if len(next[sid]) == 0:
_create_elections(sid)
current[sid] = next[sid].pop(0)
current[sid].start_event()
def advance_station(sid):
# This has been necessary during development and debugging.
# Do we want to add an "if config.get("developer_mode")" here so it crashes in production and we hunt down the bug?
# next[sid] = filter(None, next[sid])
start_time = time.time()
playlist.prepare_cooldown_algorithm(sid)
playlist.clear_updated_albums(sid)
log.debug("advance",
"Playlist prepare time: %.6f" % (time.time() - start_time, ))
start_time = time.time()
current[sid].finish()
log.debug("advance",
"Current finish time: %.6f" % (time.time() - start_time, ))
start_time = time.time()
last_song = current[sid].get_song()
if last_song:
db.c.update(
"INSERT INTO r4_song_history (sid, song_id) VALUES (%s, %s)",
(sid, last_song.id))
log.debug("advance",
"Last song insertion time: %s" % (time.time() - start_time, ))
start_time = time.time()
history[sid].insert(0, current[sid])
while len(history[sid]) > 5:
history[sid].pop()
log.debug("advance",
"History management: %.6f" % (time.time() - start_time, ))
start_time = time.time()
integrate_new_events(sid)
# If we need some emergency elections here
if len(next[sid]) == 0:
next[sid].append(_create_election(sid))
else:
sort_next(sid)
log.debug("advance",
"Next event management: %.6f" % (time.time() - start_time, ))
start_time = time.time()
current[sid] = next[sid].pop(0)
current[sid].start_event()
log.debug("advance",
"Current management: %.6f" % (time.time() - start_time, ))
tornado.ioloop.IOLoop.instance().add_timeout(
datetime.timedelta(milliseconds=100), lambda: post_process(sid))
def _update_memcache(sid): cache.set_station(sid, "sched_current", current[sid], True) cache.set_station(sid, "sched_next", next[sid], True) cache.set_station(sid, "sched_history", history[sid], True) cache.set_station(sid, "sched_current_dict", current[sid].to_dict(), True) next_dict_list = [] for event in next[sid]: next_dict_list.append(event.to_dict()) cache.set_station(sid, "sched_next_dict", next_dict_list, True) history_dict_list = [] for event in history[sid]: history_dict_list.append(event.to_dict()) cache.set_station(sid, "sched_history_dict", history_dict_list, True) cache.prime_rating_cache_for_events([ current[sid] ] + next[sid] + history[sid]) cache.set_station(sid, "listeners_current", listeners.get_listeners_dict(sid), True) cache.set_station(sid, "album_diff", playlist.get_updated_albums_dict(sid), True) playlist.clear_updated_albums(sid) cache.set_station(sid, "all_albums", playlist.get_all_albums_list(sid), True) cache.set_station(sid, "all_artists", playlist.get_all_artists_list(sid), True)
def advance_station(sid):
# This has been necessary during development and debugging.
# Do we want to add an "if config.get("developer_mode")" here so it crashes in production and we hunt down the bug?
# next[sid] = filter(None, next[sid])
start_time = time.time()
playlist.prepare_cooldown_algorithm(sid)
playlist.clear_updated_albums(sid)
log.debug("advance", "Playlist prepare time: %.6f" % (time.time() - start_time,))
start_time = time.time()
current[sid].finish()
log.debug("advance", "Current finish time: %.6f" % (time.time() - start_time,))
start_time = time.time()
last_song = current[sid].get_song()
if last_song:
db.c.update("INSERT INTO r4_song_history (sid, song_id) VALUES (%s, %s)", (sid, last_song.id))
log.debug("advance", "Last song insertion time: %s" % (time.time() - start_time,))
start_time = time.time()
history[sid].insert(0, current[sid])
while len(history[sid]) > 5:
history[sid].pop()
log.debug("advance", "History management: %.6f" % (time.time() - start_time,))
start_time = time.time()
integrate_new_events(sid)
# If we need some emergency elections here
if len(next[sid]) == 0:
next[sid].append(_create_election(sid))
else:
sort_next(sid)
log.debug("advance", "Next event management: %.6f" % (time.time() - start_time,))
start_time = time.time()
current[sid] = next[sid].pop(0)
current[sid].start_event()
log.debug("advance", "Current management: %.6f" % (time.time() - start_time,))
tornado.ioloop.IOLoop.instance().add_timeout(datetime.timedelta(milliseconds=100), lambda: post_process(sid))
def _update_memcache(sid):
cache.set_station(sid, "sched_current", current[sid], True)
cache.set_station(sid, "sched_next", next[sid], True)
cache.set_station(sid, "sched_history", history[sid], True)
cache.set_station(sid, "sched_current_dict", current[sid].to_dict(), True)
next_dict_list = []
for event in next[sid]:
next_dict_list.append(event.to_dict())
cache.set_station(sid, "sched_next_dict", next_dict_list, True)
history_dict_list = []
for event in history[sid]:
history_dict_list.append(event.to_dict())
cache.set_station(sid, "sched_history_dict", history_dict_list, True)
cache.prime_rating_cache_for_events([current[sid]] + next[sid] +
history[sid])
cache.set_station(sid, "listeners_current",
listeners.get_listeners_dict(sid), True)
cache.set_station(sid, "album_diff", playlist.get_updated_albums_dict(sid),
True)
playlist.clear_updated_albums(sid)
cache.set_station(sid, "all_albums", playlist.get_all_albums_list(sid),
True)
cache.set_station(sid, "all_artists", playlist.get_all_artists_list(sid),
True)
