def play(self, block=False, finished_cb=None):
""" downloads and plays this song. if the song is already paused, it
just resumes. if block is True, the song will download and play entirely
before this function returns. if block is False, the song will download
and play in a greenthread, so this function will return immediately """
# do we need to just resume?
if self.paused:
logging.info("resuming %s" % self)
_pandora.resume()
self.paused = False
return
def load_and_play():
self._play_lock.acquire()
# stop anything that is currently playing
_pandora.stop()
self.length = _pandora.play(self.load(block=True), self.gain)
logging.info("playing %s" % self)
self.publish_message("playing %s" % self)
finished_naturally = False
preloading_next = False
while True:
stats = _pandora.stats()
if stats:
total, pos = stats
self.progress = pos
if pos + self.station.PRELOAD_OFFSET >= total and not preloading_next:
preloading_next = True
self.station.preload_next()
if pos == total:
self.done = True
finished_naturally = True
break
try:
self._stop_playing.get(block=True, timeout=.25)
logging.debug(
"got a stop signal for %s, breaking out of play loop" %
self)
break
except eventlet.queue.Empty, e:
pass
logging.info("finished playing %s" % self)
self.publish_message("finished playing %s" % self)
self._play_lock.release()
if finished_naturally and callable(finished_cb):
# call the callback
logging.debug("calling callback %r" % finished_cb)
eventlet.spawn_n(finished_cb, self.station.account,
self.station, self)
def play(self, block=False, finished_cb=None):
""" downloads and plays this song. if the song is already paused, it
just resumes. if block is True, the song will download and play entirely
before this function returns. if block is False, the song will download
and play in a greenthread, so this function will return immediately """
# do we need to just resume?
if self.paused:
logging.info("resuming %s" % self)
_pandora.resume()
self.paused = False
return
def load_and_play():
self._play_lock.acquire()
# stop anything that is currently playing
_pandora.stop()
self.length = _pandora.play(self.load(block=True), self.gain)
logging.info("playing %s" % self)
self.publish_message("playing %s" % self)
finished_naturally = False
preloading_next = False
while True:
_pandora.update()
stats = _pandora.stats()
if stats:
total, pos = stats
self.progress = pos
if pos + self.station.PRELOAD_OFFSET >= total and not preloading_next:
preloading_next = True
self.station.preload_next()
if pos == total:
self.done = True
finished_naturally = True
break
try:
self._stop_playing.get(block=True, timeout=.25)
logging.debug("got a stop signal for %s, breaking out of play loop" % self)
break
except eventlet.queue.Empty, e: pass
logging.info("finished playing %s" % self)
self.publish_message("finished playing %s" % self)
self._play_lock.release()
if finished_naturally and callable(finished_cb):
# call the callback
logging.debug("calling callback %r" % finished_cb)
eventlet.spawn_n(finished_cb, self.station.account, self.station, self)
if block: load_and_play()
else: eventlet.spawn_n(load_and_play)
def play(self, block=False):
if self.paused:
_pandora.resume()
self.paused = False
return
def load_and_play():
self.length = _pandora.play(self._download())
self.publish_message("playing %s" % self)
while True:
stats = _pandora.stats()
if stats:
total, pos = stats
if pos == total and account.current_station: break
time.sleep(1)
self.publish_message("finished playing %s" % self)
if block: load_and_play()
else: eventlet.spawn_n(load_and_play)
