本文整理汇总了Python中redis.StrictRedis.brpop方法的典型用法代码示例。如果您正苦于以下问题：Python StrictRedis.brpop方法的具体用法？Python StrictRedis.brpop怎么用？Python StrictRedis.brpop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redis.StrictRedis的用法示例。
在下文中一共展示了StrictRedis.brpop方法的2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: main
# 需要导入模块: from redis import StrictRedis [as 别名]
# 或者: from redis.StrictRedis import brpop [as 别名]
def main():
logging.basicConfig(level=logging.INFO)
r = StrictRedis()
while True:
logging.info("Waiting for a screenshot...")
# block if no screenshots
r.brpop('pending_screenshot_blocked_list')[1]
# get a pending screenshot
url = r.spop('pending_screenshots')
if url:
pipeline = r.pipeline()
pipeline.get('pending_screenshot_{}'.format(url))
pipeline.delete('pending_screenshot_{}'.format(url))
filename, _ = pipeline.execute()
logging.info("Taking screenshot of {} to {}".format(url, filename))
screenshot_path = os.path.join('/Users/dhumbert/Code/Projects/Misc/clementia/public/user/screenshots', filename)
subprocess.Popen(['/usr/local/bin/phantomjs', 'screenshot.js', url, screenshot_path], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()示例2: RedisQueue
# 需要导入模块: from redis import StrictRedis [as 别名]
# 或者: from redis.StrictRedis import brpop [as 别名]
class RedisQueue(object):
_cli = None
_connection_parameters = dict()
_queue = None
logger = getLogger()
def __init__(self, **kwargs):
self._queue = kwargs.pop('queue', None)
self._connection_parameters.update(kwargs)
def connect(self, **kwargs):
if self._cli and not kwargs:
return self
self._queue = kwargs.pop('queue') if kwargs.get('queue') else self._queue
self._connection_parameters.update(kwargs)
if not self._connection_parameters:
raise QueueConnectionError
self._cli = StrictRedis(**self._connection_parameters)
return self
def put(self, message, **kwargs):
self.connect() if not self._cli else None
queue = kwargs.pop('queue') if kwargs.get('queue') else self._queue
publisher = kwargs.pop('publisher') if kwargs.get('publisher') else 'default'
pipe = self._cli.pipeline()
return pipe.lpush(queue, dumps(message)).publish(publisher, queue).execute()
def get(self, **kwargs):
self.connect() if not self._cli else None
queue = kwargs.pop('queue') if kwargs.get('queue') else self._queue
timeout = kwargs.pop('timeout') if isinstance(kwargs.get('timeout'), int) else 1
try:
return loads(self._cli.brpop(queue, timeout)[1])
except TypeError:
return None
except ValueError:
return None
def length(self, queue=None):
self.connect() if not self._cli else None
queue = queue if queue else self._queue
return self._cli.llen('{0}'.format(queue))
@property
def queue(self):
return self._queue
@queue.setter
def queue(self, value):
self._queue = value
@queue.deleter
def queue(self):
self._queue = None