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"""The IPython ZMQ-based parallel computing interface.
Authors:
* MinRK
"""
#-----------------------------------------------------------------------------
# Copyright (C) 2011 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
import os
import warnings
import zmq
from IPython.config.configurable import MultipleInstanceError
from IPython.utils.zmqrelated import check_for_zmq
min_pyzmq = '2.1.11'
check_for_zmq(min_pyzmq, 'IPython.parallel')
from IPython.utils.pickleutil import Reference
from .client.asyncresult import *
from .client.client import Client
from .client.remotefunction import *
from .client.view import *
from .controller.dependency import *
from .error import *
from .util import interactive
#-----------------------------------------------------------------------------
# Functions
#-----------------------------------------------------------------------------
def bind_kernel(**kwargs):
"""Bind an Engine's Kernel to be used as a full IPython kernel.
This allows a running Engine to be used simultaneously as a full IPython kernel
with the QtConsole or other frontends.
This function returns immediately.
"""
from IPython.kernel.zmq.kernelapp import IPKernelApp
from IPython.parallel.apps.ipengineapp import IPEngineApp
# first check for IPKernelApp, in which case this should be a no-op
# because there is already a bound kernel
if IPKernelApp.initialized() and isinstance(IPKernelApp._instance, IPKernelApp):
return
if IPEngineApp.initialized():
try:
app = IPEngineApp.instance()
except MultipleInstanceError:
pass
else:
return app.bind_kernel(**kwargs)
raise RuntimeError("bind_kernel be called from an IPEngineApp instance")
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