本文整理汇总了Python中cassandra.cluster.Cluster.connect_timeout方法的典型用法代码示例。如果您正苦于以下问题：Python Cluster.connect_timeout方法的具体用法？Python Cluster.connect_timeout怎么用？Python Cluster.connect_timeout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cassandra.cluster.Cluster的用法示例。
在下文中一共展示了Cluster.connect_timeout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: open_db
# 需要导入模块: from cassandra.cluster import Cluster [as 别名]
# 或者: from cassandra.cluster.Cluster import connect_timeout [as 别名]
def open_db(self, keyspace_init=None, reuse_keyspace=True):
cluster = Cluster() # Cluster([self.host], port=self.port)
cluster.connect_timeout = 20
try:
self.session = cluster.connect()
except cassandra.cluster.NoHostAvailable:
print "Ensure an instantiation of Cassandra is running."
sys.exit()
if reuse_keyspace:
try:
self.session.execute("USE {}".format(self.keyspace))
except (cassandra.InvalidRequest, ConfigurationException):
print "Keyspace: '{}' does not exists, creating the keyspace.".format(self.keyspace)
self.create_keyspace(keyspace_init)
time.sleep(0.5) # Sleep half a second.
self.session.execute("USE {}".format(self.keyspace))
else:
try:
self.session.execute("DROP KEYSPACE {};".format(self.keyspace), timeout=60)
except (cassandra.InvalidRequest, ConfigurationException):
print "Keyspace: '{}' does not exists, creating the keyspace.".format(self.keyspace)
self.create_keyspace(keyspace_init)
time.sleep(0.5) # Sleep half a second.
self.session.execute("USE {}".format(self.keyspace))
return self.session