def get_channels_with_sort(self):
key = RedisKeys.channels_with_sort()
channels = self.cache.get(key)
if channels is not None:
return channels
raw_channels = self.redis.hgetall(key)
clean_channels = dict()
if raw_channels is None or len(raw_channels) == 0:
return None
for channel_id, channel_sort_channel_name in raw_channels.items():
try:
channel_sort_channel_name = str(channel_sort_channel_name,
'utf8')
channel_sort, channel_tags, channel_name = channel_sort_channel_name.split(
'|', maxsplit=2)
channel_sort = int(channel_sort)
channel_id = str(channel_id, 'utf8')
if channel_tags == 'None':
channel_tags = ''
clean_channels[channel_id] = (channel_name, channel_sort,
channel_tags)
except Exception as e:
logger.error(
'invalid channel name in redis with key {}, value was "{}": {}'
.format(key, channel_sort_channel_name, str(e)))
self.cache.set(key, clean_channels, ttl=ONE_MINUTE)
return clean_channels
def set_channels_with_sort(self, channels):
if len(channels) == 0:
return
key = RedisKeys.channels_with_sort()
self.cache.set(key, channels, ttl=ONE_MINUTE)
redis_channels = dict()
for channel_id, (channel_name, channel_sort, tags) in channels.items():
redis_channels[channel_id] = '{}|{}|{}'.format(str(channel_sort), tags, channel_name)
self.redis.hmset(key, redis_channels)
self.redis.expire(key, ONE_MINUTE)
def reset_channels_with_sort(self):
key = RedisKeys.channels_with_sort()
self.cache.delete(key)
self.redis.delete(key)
def set_channels_with_sort(self, channels):
key = RedisKeys.channels_with_sort()
self.cache.set(key, channels, ttl=TEN_MINUTES)
def get_channels_with_sort(self):
key = RedisKeys.channels_with_sort()
return self.cache.get(key)