def setUp(self):
# Create contexts
self._context1 = c1 = yoton.Context()
self._context2 = c2 = yoton.Context()
self._context3 = c3 = yoton.Context()
# Create pub sub channels
self._channel_pub1 = yoton.PubChannel(c1, "foo")
self._channel_pub2 = yoton.PubChannel(c2, "foo")
self._channel_pub3 = yoton.PubChannel(c3, "foo")
#
self._channel_sub1 = yoton.SubChannel(c1, "foo")
self._channel_sub2 = yoton.SubChannel(c2, "foo")
self._channel_sub3 = yoton.SubChannel(c3, "foo")
# Create req rep channels
self._channel_req1 = yoton.ReqChannel(c1, "bar")
self._channel_req2 = yoton.ReqChannel(c2, "bar")
self._channel_req3 = yoton.ReqChannel(c3, "bar")
#
self._channel_rep1 = yoton.RepChannel(c1, "bar")
self._channel_rep2 = yoton.RepChannel(c2, "bar")
self._channel_rep3 = yoton.RepChannel(c3, "bar")
# Create state channels
self._channel_state1 = yoton.StateChannel(c1, "spam")
self._channel_state2 = yoton.StateChannel(c2, "spam")
self._channel_state3 = yoton.StateChannel(c3, "spam")
def connectToKernel(self, info):
""" connectToKernel()
Create kernel and connect to it.
"""
# Create yoton context
self._context = ct = yoton.Context()
# Create stream channels
self._strm_out = yoton.SubChannel(ct, 'strm-out')
self._strm_err = yoton.SubChannel(ct, 'strm-err')
self._strm_raw = yoton.SubChannel(ct, 'strm-raw')
self._strm_echo = yoton.SubChannel(ct, 'strm-echo')
self._strm_prompt = yoton.SubChannel(ct, 'strm-prompt')
self._strm_broker = yoton.SubChannel(ct, 'strm-broker')
self._strm_action = yoton.SubChannel(ct, 'strm-action', yoton.OBJECT)
# Set channels to sync mode. This means that if the IEP cannot process
# the messages fast enough, the sending side is blocked for a short
# while. We don't want our users to miss any messages.
for c in [self._strm_out, self._strm_err]:
c.set_sync_mode(True)
# Create control channels
self._ctrl_command = yoton.PubChannel(ct, 'ctrl-command')
self._ctrl_code = yoton.PubChannel(ct, 'ctrl-code', yoton.OBJECT)
self._ctrl_broker = yoton.PubChannel(ct, 'ctrl-broker')
# Create status channels
self._stat_interpreter = yoton.StateChannel(ct, 'stat-interpreter')
self._stat_debug = yoton.StateChannel(ct, 'stat-debug', yoton.OBJECT)
self._stat_startup = yoton.StateChannel(ct, 'stat-startup',
yoton.OBJECT)
self._stat_startup.received.bind(self._onReceivedStartupInfo)
# Create introspection request channel
self._request = yoton.ReqChannel(ct, 'reqp-introspect')
# Connect! The broker will only start the kernel AFTER
# we connect, so we do not miss out on anything.
slot = iep.localKernelManager.createKernel(finishKernelInfo(info))
self._brokerConnection = ct.connect('localhost:%i' % slot)
self._brokerConnection.closed.bind(self._onConnectionClose)
def _create_channels(self):
ct = self._context
# Close any existing channels first
self._context.close_channels()
# Create stream channels.
# Stdout is for the C-level stdout/stderr streams.
self._strm_broker = yoton.PubChannel(ct, 'strm-broker')
self._strm_raw = yoton.PubChannel(ct, 'strm-raw')
self._strm_prompt = yoton.PubChannel(ct, 'strm-prompt')
# Create control channel so that the IDE can control restarting etc.
self._ctrl_broker = yoton.SubChannel(ct, 'ctrl-broker')
# Status channel to pass startup parameters to the kernel
self._stat_startup = yoton.StateChannel(ct, 'stat-startup', yoton.OBJECT)
# We use the stat-interpreter to set the status to dead when kernel dies
self._stat_interpreter = yoton.StateChannel(ct, 'stat-interpreter')
# Create introspect channel so we can interrupt and terminate
self._reqp_introspect = yoton.ReqChannel(ct, 'reqp-introspect')
# -*- coding: utf-8 -*-
## Connect two context
import yoton
import time
# Context 1
ct1 = yoton.Context()
pub1 = yoton.StateChannel(ct1, "state A")
pub1.send("READY")
# Context 2
ct2 = yoton.Context()
pub2 = yoton.StateChannel(ct2, "state A")
# Context 3
ct3 = yoton.Context()
sub1 = yoton.StateChannel(ct3, "state A")
# Connect
ct1.bind("localhost:test1")
ct2.connect("localhost:test1")
ct2.bind("localhost:test2")
ct3.connect("localhost:test2")
# Get status (but wait first)
time.sleep(0.3)
print(sub1.recv())
# New status
# Create a yoton context. All channels are stored at the context.
ct = yoton.Context()
# Create control channels
ct._ctrl_command = yoton.SubChannel(ct, 'ctrl-command')
ct._ctrl_code = yoton.SubChannel(ct, 'ctrl-code', yoton.OBJECT)
# Create stream channels
ct._strm_out = yoton.PubChannel(ct, 'strm-out')
ct._strm_err = yoton.PubChannel(ct, 'strm-err')
ct._strm_echo = yoton.PubChannel(ct, 'strm-echo')
ct._strm_prompt = yoton.PubChannel(ct, 'strm-prompt')
ct._strm_action = yoton.PubChannel(ct, 'strm-action', yoton.OBJECT)
# Create status channels
ct._stat_interpreter = yoton.StateChannel(ct, 'stat-interpreter')
ct._stat_debug = yoton.StateChannel(ct, 'stat-debug', yoton.OBJECT)
ct._stat_startup = yoton.StateChannel(ct, 'stat-startup', yoton.OBJECT)
ct._stat_breakpoints = yoton.StateChannel(ct, 'stat-breakpoints', yoton.OBJECT)
# Connect (port number given as command line argument)
# Important to do this *before* replacing the stdout etc, because if an
# error occurs here, it will be printed in the shell.
port = int(sys.argv[1])
ct.connect('localhost:'+str(port), timeout=1.0)
# Create file objects for stdin, stdout, stderr
sys.stdin = yoton.FileWrapper( ct._ctrl_command, echo=ct._strm_echo, isatty=True)
sys.stdout = yoton.FileWrapper( ct._strm_out, 256, isatty=True)
sys.stderr = yoton.FileWrapper( ct._strm_err, 256, isatty=True)
# / ct3
# ct1 - ct2
# \ ct4 - ct5
ct1.bind('localhost:split1')
ct2.connect('localhost:split1')
#
ct2.bind('localhost:split2')
ct3.connect('localhost:split2')
#
ct2.bind('localhost:split3')
ct4.connect('localhost:split3')
#
ct4.bind('localhost:split4')
ct5.connect('localhost:split4')
# Create channels
if True:
pub1 = yoton.PubChannel(ct1, 'splittest')
sub1 = yoton.SubChannel(ct3, 'splittest')
sub2 = yoton.SubChannel(ct5, 'splittest')
else:
pub1 = yoton.StateChannel(ct1, 'splittest')
sub1 = yoton.StateChannel(ct3, 'splittest')
sub2 = yoton.StateChannel(ct5, 'splittest')
# Go!
pub1.send('Hello you two!')
time.sleep(0.5)
print(sub1.recv())
print(sub2.recv())
# -*- coding: utf-8 -*-
## Connect two context
import yoton
import time
# Context 1
ct1 = yoton.Context()
pub1 = yoton.StateChannel(ct1, 'state A')
pub1.send('READY')
# Context 2
ct2 = yoton.Context()
pub2 = yoton.StateChannel(ct2, 'state A')
# Context 3
ct3 = yoton.Context()
sub1 = yoton.StateChannel(ct3, 'state A')
# Connect
ct1.bind('localhost:test1')
ct2.connect('localhost:test1')
ct2.bind('localhost:test2')
ct3.connect('localhost:test2')
# Get status (but wait first)
time.sleep(0.3)
print(sub1.recv())
# New status
# / ct3
# ct1 - ct2
# \ ct4 - ct5
ct1.bind("localhost:split1")
ct2.connect("localhost:split1")
#
ct2.bind("localhost:split2")
ct3.connect("localhost:split2")
#
ct2.bind("localhost:split3")
ct4.connect("localhost:split3")
#
ct4.bind("localhost:split4")
ct5.connect("localhost:split4")
# Create channels
if True:
pub1 = yoton.PubChannel(ct1, "splittest")
sub1 = yoton.SubChannel(ct3, "splittest")
sub2 = yoton.SubChannel(ct5, "splittest")
else:
pub1 = yoton.StateChannel(ct1, "splittest")
sub1 = yoton.StateChannel(ct3, "splittest")
sub2 = yoton.StateChannel(ct5, "splittest")
# Go!
pub1.send("Hello you two!")
time.sleep(0.5)
print(sub1.recv())
print(sub2.recv())
# Create a yoton context. All channels are stored at the context.
ct = yoton.Context()
# Create control channels
ct._ctrl_command = yoton.SubChannel(ct, "ctrl-command")
ct._ctrl_code = yoton.SubChannel(ct, "ctrl-code", yoton.OBJECT)
# Create stream channels
ct._strm_out = yoton.PubChannel(ct, "strm-out")
ct._strm_err = yoton.PubChannel(ct, "strm-err")
ct._strm_echo = yoton.PubChannel(ct, "strm-echo")
ct._strm_prompt = yoton.PubChannel(ct, "strm-prompt")
ct._strm_action = yoton.PubChannel(ct, "strm-action", yoton.OBJECT)
# Create status channels
ct._stat_interpreter = yoton.StateChannel(ct, "stat-interpreter")
ct._stat_cd = yoton.StateChannel(ct, "stat-cd")
ct._stat_debug = yoton.StateChannel(ct, "stat-debug", yoton.OBJECT)
ct._stat_startup = yoton.StateChannel(ct, "stat-startup", yoton.OBJECT)
ct._stat_breakpoints = yoton.StateChannel(ct, "stat-breakpoints", yoton.OBJECT)
# Connect (port number given as command line argument)
# Important to do this *before* replacing the stdout etc, because if an
# error occurs here, it will be printed in the shell.
port = int(sys.argv[1])
ct.connect("localhost:" + str(port), timeout=1.0)
# Create file objects for stdin, stdout, stderr
sys.stdin = yoton.FileWrapper(ct._ctrl_command,
echo=ct._strm_echo,
isatty=True)
