class Client(object):
LOG = logging.getLogger(__name__)
def __init__(self, config):
self.executor = AsynchExecutor(2)
self.status_monitor = StatusMonitor(config)
self.pl_manager = PlaylistManager(config)
self.POLL_TIME = config.getfloat('Client', 'playlist_poll_time')
self.scheduler = Scheduler()
def schedule_playlist(self, playlist, playlist_id, playlist_update_time):
self.LOG.debug('Client scheduling playlist %s' % playlist)
if len(playlist) == 0:
self.LOG.debug('No media to schedule')
return
def replace_playlist(scheduled_pl):
del scheduled_pl[:]
for media in playlist:
scheduled_pl.append(media)
self.scheduler.modify_playlist_atomically(replace_playlist)
self.status_monitor.confirm_new_playlist(playlist_id,
playlist_update_time)
if not self.scheduler.running:
self.scheduler.start()
self.status_monitor.submit_collected_events()
def start(self):
# Get the first playlist from file. If there is no ready playlist,
# this returns an empty playlist
playlist = self.pl_manager.fetch_local_playlist()
self.schedule_playlist(playlist, None, None)
# Run by AsynchExecutor
def get_new_playlist_and_free_up_space_if_necessary():
return self.pl_manager.fetch_playlist()
# Called by AsynchExecutor when there was an error
def pl_fetch_error(error):
if isinstance(error, PlaylistNotChanged):
self.LOG.info(
'Playlist has not been changed on the server. Asynch task was aborted.'
)
self.status_monitor.submit_collected_events()
return
self.LOG.error('Exception fetching playlist: {0}'.format(
error.message))
self.status_monitor.add_status(StatusMonitor.EventTypes.ERROR,
StatusMonitor.Categories.CONNECTION,
str(error.message))
self.LOG.debug('Creating status obj')
self.status_monitor.submit_collected_events()
self.executor.start()
try:
while True:
if not self.executor.is_full():
self.executor.submit(
get_new_playlist_and_free_up_space_if_necessary,
on_success=self.schedule_playlist,
on_error=pl_fetch_error)
else:
self.LOG.debug('Executor task queue is full')
time.sleep(self.POLL_TIME)
except KeyboardInterrupt:
self.executor.shutdown()
if self.scheduler:
self.scheduler.shutdown()
def __init__(self, config):
self.executor = AsynchExecutor(2)
self.status_monitor = StatusMonitor(config)
self.pl_manager = PlaylistManager(config)
self.POLL_TIME = config.getfloat('Client', 'playlist_poll_time')
self.scheduler = Scheduler()
def __init__(self, config):
self.executor = AsynchExecutor(2)
self.status_monitor = StatusMonitor(config)
self.pl_manager = PlaylistManager(config)
self.POLL_TIME = config.getfloat('Client', 'playlist_poll_time')
self.scheduler = Scheduler()
class Client(object):
LOG = logging.getLogger(__name__)
def __init__(self, config):
self.executor = AsynchExecutor(2)
self.status_monitor = StatusMonitor(config)
self.pl_manager = PlaylistManager(config)
self.POLL_TIME = config.getfloat('Client', 'playlist_poll_time')
self.scheduler = Scheduler()
def schedule_playlist(self, playlist, playlist_id, playlist_update_time):
self.LOG.debug('Client scheduling playlist %s' % playlist)
if len(playlist) == 0:
self.LOG.debug('No media to schedule')
return
def replace_playlist(scheduled_pl):
del scheduled_pl[:]
for media in playlist:
scheduled_pl.append(media)
self.scheduler.modify_playlist_atomically(replace_playlist)
self.status_monitor.confirm_new_playlist(playlist_id, playlist_update_time)
if not self.scheduler.running:
self.scheduler.start()
self.status_monitor.submit_collected_events()
def start(self):
# Get the first playlist from file. If there is no ready playlist,
# this returns an empty playlist
playlist = self.pl_manager.fetch_local_playlist()
self.schedule_playlist(playlist, None, None)
# Run by AsynchExecutor
def get_new_playlist_and_free_up_space_if_necessary():
return self.pl_manager.fetch_playlist()
# Called by AsynchExecutor when there was an error
def pl_fetch_error(error):
if isinstance(error, PlaylistNotChanged):
self.LOG.info('Playlist has not been changed on the server. Asynch task was aborted.')
self.status_monitor.submit_collected_events()
return
self.LOG.error('Exception fetching playlist: {0}'.format(error.message))
self.status_monitor.add_status(
StatusMonitor.EventTypes.ERROR,
StatusMonitor.Categories.CONNECTION,
str(error.message)
)
self.LOG.debug('Creating status obj')
self.status_monitor.submit_collected_events()
self.executor.start()
try:
while True:
if not self.executor.is_full():
self.executor.submit(
get_new_playlist_and_free_up_space_if_necessary,
on_success=self.schedule_playlist,
on_error=pl_fetch_error
)
else:
self.LOG.debug('Executor task queue is full')
time.sleep(self.POLL_TIME)
except KeyboardInterrupt:
self.executor.shutdown()
if self.scheduler:
self.scheduler.shutdown()
def __init__(self):
self.executor = AsynchExecutor(2)
self.status_monitor = StatusMonitor()
self.pl_manager = PlaylistManager()
self.scheduler = Scheduler()