本文整理汇总了Python中zmq.eventloop.ioloop.IOLoop.make_current方法的典型用法代码示例。如果您正苦于以下问题：Python IOLoop.make_current方法的具体用法？Python IOLoop.make_current怎么用？Python IOLoop.make_current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.make_current方法的4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: TestFutureSocket
# 需要导入模块: from zmq.eventloop.ioloop import IOLoop [as 别名]
# 或者: from zmq.eventloop.ioloop.IOLoop import make_current [as 别名]
class TestFutureSocket(BaseZMQTestCase):
Context = future.Context
def setUp(self):
self.loop = IOLoop()
self.loop.make_current()
super(TestFutureSocket, self).setUp()
def tearDown(self):
super(TestFutureSocket, self).tearDown()
if self.loop:
self.loop.close(all_fds=True)
def test_socket_class(self):
s = self.context.socket(zmq.PUSH)
assert isinstance(s, future.Socket)
s.close()
def test_recv_multipart(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.recv_multipart()
assert not f.done()
yield a.send(b'hi')
recvd = yield f
self.assertEqual(recvd, [b'hi'])
self.loop.run_sync(test)
def test_recv(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f1 = b.recv()
f2 = b.recv()
assert not f1.done()
assert not f2.done()
yield a.send_multipart([b'hi', b'there'])
recvd = yield f2
assert f1.done()
self.assertEqual(f1.result(), b'hi')
self.assertEqual(recvd, b'there')
self.loop.run_sync(test)
def test_recv_cancel(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f1 = b.recv()
f2 = b.recv_multipart()
assert f1.cancel()
assert f1.done()
assert not f2.done()
yield a.send_multipart([b'hi', b'there'])
recvd = yield f2
assert f1.cancelled()
assert f2.done()
self.assertEqual(recvd, [b'hi', b'there'])
self.loop.run_sync(test)
@pytest.mark.skipif(not hasattr(zmq, 'RCVTIMEO'), reason="requires RCVTIMEO")
def test_recv_timeout(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
b.rcvtimeo = 100
f1 = b.recv()
b.rcvtimeo = 1000
f2 = b.recv_multipart()
with pytest.raises(zmq.Again):
yield f1
yield a.send_multipart([b'hi', b'there'])
recvd = yield f2
assert f2.done()
self.assertEqual(recvd, [b'hi', b'there'])
self.loop.run_sync(test)
@pytest.mark.skipif(not hasattr(zmq, 'SNDTIMEO'), reason="requires SNDTIMEO")
def test_send_timeout(self):
@gen.coroutine
def test():
s = self.socket(zmq.PUSH)
s.sndtimeo = 100
with pytest.raises(zmq.Again):
yield s.send(b'not going anywhere')
self.loop.run_sync(test)
@pytest.mark.now
def test_send_noblock(self):
@gen.coroutine
def test():
s = self.socket(zmq.PUSH)
with pytest.raises(zmq.Again):
yield s.send(b'not going anywhere', flags=zmq.NOBLOCK)
self.loop.run_sync(test)
@pytest.mark.now
def test_send_multipart_noblock(self):
@gen.coroutine
def test():
#.........这里部分代码省略.........
示例2: TestFutureSocket
# 需要导入模块: from zmq.eventloop.ioloop import IOLoop [as 别名]
# 或者: from zmq.eventloop.ioloop.IOLoop import make_current [as 别名]
class TestFutureSocket(BaseZMQTestCase):
Context = future.Context
def setUp(self):
self.loop = IOLoop()
self.loop.make_current()
super(TestFutureSocket, self).setUp()
def tearDown(self):
super(TestFutureSocket, self).tearDown()
self.loop.close(all_fds=True)
def test_socket_class(self):
s = self.context.socket(zmq.PUSH)
assert isinstance(s, future.Socket)
s.close()
def test_recv_multipart(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.recv_multipart()
assert not f.done()
yield a.send(b'hi')
recvd = yield f
self.assertEqual(recvd, [b'hi'])
self.loop.run_sync(test)
def test_recv(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f1 = b.recv()
f2 = b.recv()
assert not f1.done()
assert not f2.done()
yield a.send_multipart([b'hi', b'there'])
recvd = yield f2
assert f1.done()
self.assertEqual(f1.result(), b'hi')
self.assertEqual(recvd, b'there')
self.loop.run_sync(test)
def test_recv_cancel(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f1 = b.recv()
f2 = b.recv_multipart()
assert f1.cancel()
assert f1.done()
assert not f2.done()
yield a.send_multipart([b'hi', b'there'])
recvd = yield f2
assert f1.cancelled()
assert f2.done()
self.assertEqual(recvd, [b'hi', b'there'])
self.loop.run_sync(test)
def test_poll(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.poll(timeout=0)
self.assertEqual(f.result(), 0)
f = b.poll(timeout=1)
assert not f.done()
evt = yield f
self.assertEqual(evt, 0)
f = b.poll(timeout=1000)
assert not f.done()
yield a.send_multipart([b'hi', b'there'])
evt = yield f
self.assertEqual(evt, zmq.POLLIN)
recvd = yield b.recv_multipart()
self.assertEqual(recvd, [b'hi', b'there'])
self.loop.run_sync(test)示例3: IOPubThread
# 需要导入模块: from zmq.eventloop.ioloop import IOLoop [as 别名]
# 或者: from zmq.eventloop.ioloop.IOLoop import make_current [as 别名]
class IOPubThread(object):
"""An object for sending IOPub messages in a background thread
Prevents a blocking main thread from delaying output from threads.
IOPubThread(pub_socket).background_socket is a Socket-API-providing object
whose IO is always run in a thread.
"""
def __init__(self, socket, pipe=False):
"""Create IOPub thread
Parameters
----------
socket: zmq.PUB Socket
the socket on which messages will be sent.
pipe: bool
Whether this process should listen for IOPub messages
piped from subprocesses.
"""
self.socket = socket
self.background_socket = BackgroundSocket(self)
self._master_pid = os.getpid()
self._pipe_flag = pipe
self.io_loop = IOLoop(make_current=False)
if pipe:
self._setup_pipe_in()
self._local = threading.local()
self._events = deque()
self._setup_event_pipe()
self.thread = threading.Thread(target=self._thread_main)
self.thread.daemon = True
def _thread_main(self):
"""The inner loop that's actually run in a thread"""
self.io_loop.make_current()
self.io_loop.start()
self.io_loop.close(all_fds=True)
def _setup_event_pipe(self):
"""Create the PULL socket listening for events that should fire in this thread."""
ctx = self.socket.context
pipe_in = ctx.socket(zmq.PULL)
pipe_in.linger = 0
_uuid = b2a_hex(os.urandom(16)).decode('ascii')
iface = self._event_interface = 'inproc://%s' % _uuid
pipe_in.bind(iface)
self._event_puller = ZMQStream(pipe_in, self.io_loop)
self._event_puller.on_recv(self._handle_event)
@property
def _event_pipe(self):
"""thread-local event pipe for signaling events that should be processed in the thread"""
try:
event_pipe = self._local.event_pipe
except AttributeError:
# new thread, new event pipe
ctx = self.socket.context
event_pipe = ctx.socket(zmq.PUSH)
event_pipe.linger = 0
event_pipe.connect(self._event_interface)
self._local.event_pipe = event_pipe
return event_pipe
def _handle_event(self, msg):
"""Handle an event on the event pipe
Content of the message is ignored.
Whenever *an* event arrives on the event stream,
*all* waiting events are processed in order.
"""
# freeze event count so new writes don't extend the queue
# while we are processing
n_events = len(self._events)
for i in range(n_events):
event_f = self._events.popleft()
event_f()
def _setup_pipe_in(self):
"""setup listening pipe for IOPub from forked subprocesses"""
ctx = self.socket.context
# use UUID to authenticate pipe messages
self._pipe_uuid = os.urandom(16)
pipe_in = ctx.socket(zmq.PULL)
pipe_in.linger = 0
try:
self._pipe_port = pipe_in.bind_to_random_port("tcp://127.0.0.1")
except zmq.ZMQError as e:
warnings.warn("Couldn't bind IOPub Pipe to 127.0.0.1: %s" % e +
"\nsubprocess output will be unavailable."
)
self._pipe_flag = False
pipe_in.close()
return
#.........这里部分代码省略.........
示例4: TestFutureSocket
# 需要导入模块: from zmq.eventloop.ioloop import IOLoop [as 别名]
# 或者: from zmq.eventloop.ioloop.IOLoop import make_current [as 别名]
class TestFutureSocket(BaseZMQTestCase):
Context = future.Context
def setUp(self):
self.loop = IOLoop()
self.loop.make_current()
super(TestFutureSocket, self).setUp()
def tearDown(self):
super(TestFutureSocket, self).tearDown()
self.loop.close(all_fds=True)
def test_socket_class(self):
s = self.context.socket(zmq.PUSH)
assert isinstance(s, future.Socket)
s.close()
def test_recv_multipart(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.recv_multipart()
assert not f.done()
yield a.send(b'hi')
recvd = yield f
self.assertEqual(recvd, [b'hi'])
self.loop.run_sync(test)
def test_recv(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f1 = b.recv()
f2 = b.recv()
assert not f1.done()
assert not f2.done()
yield a.send_multipart([b'hi', b'there'])
recvd = yield f2
assert f1.done()
self.assertEqual(f1.result(), b'hi')
self.assertEqual(recvd, b'there')
self.loop.run_sync(test)
def test_recv_cancel(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f1 = b.recv()
f2 = b.recv_multipart()
assert f1.cancel()
assert f1.done()
assert not f2.done()
yield a.send_multipart([b'hi', b'there'])
recvd = yield f2
assert f1.cancelled()
assert f2.done()
self.assertEqual(recvd, [b'hi', b'there'])
self.loop.run_sync(test)
@pytest.mark.skipif(not hasattr(zmq, 'RCVTIMEO'), reason="requires RCVTIMEO")
def test_recv_timeout(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
b.rcvtimeo = 100
f1 = b.recv()
b.rcvtimeo = 1000
f2 = b.recv_multipart()
with pytest.raises(zmq.Again):
yield f1
yield a.send_multipart([b'hi', b'there'])
recvd = yield f2
assert f2.done()
self.assertEqual(recvd, [b'hi', b'there'])
self.loop.run_sync(test)
@pytest.mark.skipif(not hasattr(zmq, 'SNDTIMEO'), reason="requires SNDTIMEO")
def test_send_timeout(self):
@gen.coroutine
def test():
s = self.socket(zmq.PUSH)
s.sndtimeo = 100
with pytest.raises(zmq.Again):
yield s.send(b'not going anywhere')
self.loop.run_sync(test)
def test_recv_string(self):
@gen.coroutine
def test():
a, b = self.create_bound_pair(zmq.PUSH, zmq.PULL)
f = b.recv_string()
assert not f.done()
msg = u('πøøπ')
yield a.send_string(msg)
recvd = yield f
assert f.done()
self.assertEqual(f.result(), msg)
self.assertEqual(recvd, msg)
self.loop.run_sync(test)
#.........这里部分代码省略.........