def init(self, app_id, address, port, user_name, password, use_cache, epg_of_days):
helper.log_info('DataProvider.init. %s %s %s %s %s %s %s' % (app_id, address, port, user_name, password, use_cache, epg_of_days))
self.use_cache_ = use_cache
self.app_id_ = app_id
self.address_ = address
self.epg_of_days_ = epg_of_days
self.http_data_provider_ = HttpDataProvider(address, port, user_name, password)
self.reset_()
class DataProvider(object):
UPDATE_PERIOD_SEC_ = 0.5
IDLE_PERIOD_SEC_ = 3600
UPDATE_CHANNELS_AND_EPG_PERIOD_SEC_ = 43200
UPDATE_CHANNELS_DELAY_SEC_ = 15
UPDATE_EPG_DELAY_SEC_ = 15
def init(self, app_id, address, port, user_name, password, use_cache, epg_of_days):
helper.log_info('DataProvider.init. %s %s %s %s %s %s %s' % (app_id, address, port, user_name, password, use_cache, epg_of_days))
self.use_cache_ = use_cache
self.app_id_ = app_id
self.address_ = address
self.epg_of_days_ = epg_of_days
self.http_data_provider_ = HttpDataProvider(address, port, user_name, password)
self.reset_()
def get_channels(self):
if not self.channels_ or not self.use_cache_:
self.channels_ = self.http_data_provider_.get_channels()
return self.channels_
def get_tv_channels(self):
self.get_channels()
return [channel for channel in self.channels_ \
if ChannelType.CHANNEL_TV == channel.channel_type]
def get_radio_channels(self):
self.get_channels()
return [channel for channel in self.channels_ \
if ChannelType.CHANNEL_RADIO == channel.channel_type]
def get_stream_info(self):
if not self.channels_:
self.channels_ = self.http_data_provider_.get_channels()
if not self.stream_infos_ or not self.use_cache_:
self.stream_infos_ = self.get_channels_stream_info_(self.channels_)
return dict((stream_info.dvblink_channel_id, stream_info.channel_url) \
for stream_info in self.stream_infos_)
def get_channel_epg(self, channel_id):
if self.channels_id_with_programs_dict_.has_key(channel_id):
return self.channels_id_with_programs_dict_[channel_id]
else:
programs = self.search_epg_(channel_id)
if self.use_cache_:
self.channels_id_with_programs_dict_[channel_id] = programs
return programs
def get_actual_programs(self, requested_count):
if self.is_update_completed_ and self.use_cache_:
return self.get_actual_programs_locally_(requested_count)
else:
return self.get_actual_programs_remotely_(requested_count)
def search_epg_by_keywords(self, keywords):
searcher = EpgSearcher(keywords=keywords)
return self.http_data_provider_.search_epg(searcher)
def search_epg_by_genre(self, genre_mask):
searcher = EpgSearcher(genre_mask=genre_mask)
return self.http_data_provider_.search_epg(searcher)
def play_channel(self, request_stream):
return self.http_data_provider_.play_channel(request_stream)
def stop_channel(self, stop_stream):
return self.http_data_provider_.stop_channel(stop_stream)
def get_recordings(self, is_forced = True):
if is_forced or self.recordings_ == None or not self.use_cache_:
self.recordings_ = self.http_data_provider_.get_recordings()
return self.recordings_
def get_schedules(self):
return self.http_data_provider_.get_schedules()
def add_schedule(self, schedule):
return self.http_data_provider_.add_schedule(schedule)
def update_schedule(self, schedule_updater):
return self.http_data_provider_.update_schedule(schedule_updater)
def remove_schedule(self, schedule_remover):
return self.http_data_provider_.remove_schedule(schedule_remover)
def remove_recording(self, recording_remover):
return self.http_data_provider_.remove_recording(recording_remover)
def get_object(self, object_requester):
return self.http_data_provider_.get_object(object_requester)
def remove_object(self, object_remover):
return self.http_data_provider_.remove_object(object_remover)
def stop_recording(self, stop_recording):
return self.http_data_provider_.stop_recording(stop_recording)
def set_parental_lock(self):
parental_lock = ParentalLock(client_id=self.app_id_, is_enable=True)
return self.http_data_provider_.set_parental_lock(parental_lock)
def reset_parental_lock(self, lock_code):
parental_lock = ParentalLock(client_id=self.app_id_, is_enable=False, code=lock_code)
return self.http_data_provider_.set_parental_lock(parental_lock)
def schedule_processing(self):
if (long(time.time()) - self.last_channels_update_) > self.UPDATE_CHANNELS_AND_EPG_PERIOD_SEC_:
try:
self.channels_ = self.http_data_provider_.get_channels()
self.stream_infos_ = self.get_channels_stream_info_(self.channels_)
if not self.channels_ or not self.stream_infos_:
raise Exception()
self.recordings_ = self.http_data_provider_.get_recordings()
self.channels_without_epg_ = self.channels_[:]
self.last_channels_update_ = long(time.time())
except:
self.last_channels_update_ = long(time.time()) - self.UPDATE_CHANNELS_AND_EPG_PERIOD_SEC_ + self.UPDATE_CHANNELS_DELAY_SEC_
else:
if self.channels_without_epg_ and ((long(time.time()) - self.last_error_time_) > self.UPDATE_EPG_DELAY_SEC_):
try:
channel = self.channels_without_epg_[0]
self.channels_id_with_programs_dict_[channel.channel_id] = self.search_epg_(channel.channel_id)
del self.channels_without_epg_[0]
if not len(self.channels_without_epg_):
self.is_update_completed_ = True
return self.IDLE_PERIOD_SEC_
except Exception, error:
self.last_error_time_ = long(time.time())
return self.UPDATE_PERIOD_SEC_
