本文整理汇总了Python中rediscluster.StrictRedisCluster.rpush方法的典型用法代码示例。如果您正苦于以下问题：Python StrictRedisCluster.rpush方法的具体用法？Python StrictRedisCluster.rpush怎么用？Python StrictRedisCluster.rpush使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类rediscluster.StrictRedisCluster的用法示例。
在下文中一共展示了StrictRedisCluster.rpush方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: RedisQueue
# 需要导入模块: from rediscluster import StrictRedisCluster [as 别名]
# 或者: from rediscluster.StrictRedisCluster import rpush [as 别名]
class RedisQueue(object):
"""
A Queue like message built over redis
"""
Empty = BaseQueue.Empty
Full = BaseQueue.Full
max_timeout = 0.3
def __init__(self, name, host='localhost', port=6379, db=0,
maxsize=0, lazy_limit=True, password=None, cluster_nodes=None):
"""
Constructor for RedisQueue
maxsize: an integer that sets the upperbound limit on the number of
items that can be placed in the queue.
lazy_limit: redis queue is shared via instance, a lazy size limit is used
for better performance.
"""
self.name = name
if(cluster_nodes is not None):
from rediscluster import StrictRedisCluster
self.redis = StrictRedisCluster(startup_nodes=cluster_nodes)
else:
self.redis = redis.StrictRedis(host=host, port=port, db=db, password=password)
self.maxsize = maxsize
self.lazy_limit = lazy_limit
self.last_qsize = 0
def qsize(self):
self.last_qsize = self.redis.llen(self.name)
return self.last_qsize
def empty(self):
if self.qsize() == 0:
return True
else:
return False
def full(self):
if self.maxsize and self.qsize() >= self.maxsize:
return True
else:
return False
def put_nowait(self, obj):
if self.lazy_limit and self.last_qsize < self.maxsize:
pass
elif self.full():
raise self.Full
self.last_qsize = self.redis.rpush(self.name, umsgpack.packb(obj))
return True
def put(self, obj, block=True, timeout=None):
if not block:
return self.put_nowait(obj)
start_time = time.time()
while True:
try:
return self.put_nowait(obj)
except self.Full:
if timeout:
lasted = time.time() - start_time
if timeout > lasted:
time.sleep(min(self.max_timeout, timeout - lasted))
else:
raise
else:
time.sleep(self.max_timeout)
def get_nowait(self):
ret = self.redis.lpop(self.name)
if ret is None:
raise self.Empty
return umsgpack.unpackb(ret)
def get(self, block=True, timeout=None):
if not block:
return self.get_nowait()
start_time = time.time()
while True:
try:
return self.get_nowait()
except self.Empty:
if timeout:
lasted = time.time() - start_time
if timeout > lasted:
time.sleep(min(self.max_timeout, timeout - lasted))
else:
raise
else:
time.sleep(self.max_timeout)