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load the per kernel kernel.js and kernel.css...
load the per kernel kernel.js and kernel.css As per discussion, each kernel can provide a file name kernel.js that we try to load at kernel switching. If such a file exist we assume that the kernel pathches the javasscript and that this javascript cannot be unpatched, and further switching of the kernel cannot be undone without reloading the page. (separate PR for UI) if a kernel provide kernel.js, the it should consist into a AMD module definition that uses require.js the module shoudl define a function name `onload` that will be called at the appropriate moment before the kernel starts.
Thomas Kluyver - - Load All Authors

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restarter.py
54 lines | 1.7 KiB | text/x-python | PythonLexer
/ IPython / kernel / ioloop / restarter.py
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"""A basic in process kernel monitor with autorestarting.
This watches a kernel's state using KernelManager.is_alive and auto
restarts the kernel if it dies.
"""
#-----------------------------------------------------------------------------
# Copyright (C) 2013 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
#-----------------------------------------------------------------------------
from __future__ import absolute_import
from zmq.eventloop import ioloop
from IPython.kernel.restarter import KernelRestarter
from IPython.utils.traitlets import (
Instance,
)
#-----------------------------------------------------------------------------
# Code
#-----------------------------------------------------------------------------
class IOLoopKernelRestarter(KernelRestarter):
"""Monitor and autorestart a kernel."""
loop = Instance('zmq.eventloop.ioloop.IOLoop', allow_none=False)
def _loop_default(self):
return ioloop.IOLoop.instance()
_pcallback = None
def start(self):
"""Start the polling of the kernel."""
if self._pcallback is None:
self._pcallback = ioloop.PeriodicCallback(
self.poll, 1000*self.time_to_dead, self.loop
)
self._pcallback.start()
def stop(self):
"""Stop the kernel polling."""
if self._pcallback is not None:
self._pcallback.stop()
self._pcallback = None