本文整理汇总了Python中zmq.eventloop.ioloop.IOLoop.initialized方法的典型用法代码示例。如果您正苦于以下问题：Python IOLoop.initialized方法的具体用法？Python IOLoop.initialized怎么用？Python IOLoop.initialized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zmq.eventloop.ioloop.IOLoop的用法示例。
在下文中一共展示了IOLoop.initialized方法的3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: _setup_pipe_in
# 需要导入模块: from zmq.eventloop.ioloop import IOLoop [as 别名]
# 或者: from zmq.eventloop.ioloop.IOLoop import initialized [as 别名]
def _setup_pipe_in(self):
"""setup listening pipe for subprocesses"""
ctx = self.pub_socket.context
# use UUID to authenticate pipe messages
self._pipe_uuid = uuid.uuid4().bytes
self._pipe_in = ctx.socket(zmq.PULL)
self._pipe_in.linger = 0
try:
self._pipe_port = self._pipe_in.bind_to_random_port("tcp://127.0.0.1")
except zmq.ZMQError as e:
warn("Couldn't bind IOStream to 127.0.0.1: %s" % e +
"\nsubprocess output will be unavailable."
)
self._pipe_flag = False
self._pipe_in.close()
del self._pipe_in
return
self._pipe_poller = zmq.Poller()
self._pipe_poller.register(self._pipe_in, zmq.POLLIN)
if IOLoop.initialized():
# subprocess flush should trigger flush
# if kernel is idle
IOLoop.instance().add_handler(self._pipe_in,
lambda s, event: self.flush(),
IOLoop.READ,
)示例2: _schedule_flush
# 需要导入模块: from zmq.eventloop.ioloop import IOLoop [as 别名]
# 或者: from zmq.eventloop.ioloop.IOLoop import initialized [as 别名]
def _schedule_flush(self):
"""schedule a flush in the main thread
only works with a tornado/pyzmq eventloop running
"""
if IOLoop.initialized():
IOLoop.instance().add_callback(self.flush)
else:
# no async loop, at least force the timer
self._start = 0示例3: _publish_msg
# 需要导入模块: from zmq.eventloop.ioloop import IOLoop [as 别名]
# 或者: from zmq.eventloop.ioloop.IOLoop import initialized [as 别名]
def _publish_msg(self, msg_type, data=None, metadata=None, buffers=None, **keys):
"""Helper for sending a comm message on IOPub"""
if threading.current_thread().name != 'MainThread' and IOLoop.initialized():
# make sure we never send on a zmq socket outside the main IOLoop thread
IOLoop.instance().add_callback(lambda : self._publish_msg(msg_type, data, metadata, buffers, **keys))
return
data = {} if data is None else data
metadata = {} if metadata is None else metadata
content = json_clean(dict(data=data, comm_id=self.comm_id, **keys))
self.session.send(self.iopub_socket, msg_type,
content,
metadata=json_clean(metadata),
parent=self.kernel._parent_header,
ident=self.topic,
buffers=buffers,
)