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Backport PR #7106: Changed the display order of rich output in nbconvert html...
Backport PR #7106: Changed the display order of rich output in nbconvert html The notebook rich output display order now matches that of nbconvert. This makes more sense than the other way around due to the need for the that are notebooks already shared on the web to remain consistent. Conversely local notebooks can simply be edited to match the new order.

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restarter.py
54 lines | 1.7 KiB | text/x-python | PythonLexer
"""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