upstream/ipython Files · IPython/kernel/inprocess/client.py

allow keyboard interrupt to break out of ipdb...

allow keyboard interrupt to break out of ipdb @takluyver @minrk and I discussed this issue in person. It's currently problematic that there is no way, short of restarting a kernel, to get out of an ipdb session if you've deleted the output of the cell in the notebook which started it (by e.g. re-executing that cell). This patch makes Ctrl-C behave the same as Ctrl-D inside of ipdb - it exits the ipdb session. This also makes it possible to stop ipdb sessions from another client. I polled @katyhuff, @scopatz, and some other pyne/pyne hackers and they were surprised to hear that this was not the behavior already.

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             client.py
        
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        MinRK
    
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      """A client for in-process kernels."""

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      #-----------------------------------------------------------------------------

      #  Copyright (C) 2012  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

      #-----------------------------------------------------------------------------

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      # IPython imports

      from IPython.utils.traitlets import Type, Instance

      from IPython.kernel.clientabc import KernelClientABC

      from IPython.kernel.client import KernelClient

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      # Local imports

      from .channels import (

          InProcessShellChannel,

          InProcessIOPubChannel,

          InProcessHBChannel,

          InProcessStdInChannel,

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      )

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      #-----------------------------------------------------------------------------

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      # Main kernel Client class

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      #-----------------------------------------------------------------------------

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      class InProcessKernelClient(KernelClient):

          """A client for an in-process kernel.

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          This class implements the interface of

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          `IPython.kernel.clientabc.KernelClientABC` and allows

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          (asynchronous) frontends to be used seamlessly with an in-process kernel.

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          See `IPython.kernel.client.KernelClient` for docstrings.

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          """

          # The classes to use for the various channels.

          shell_channel_class = Type(InProcessShellChannel)

          iopub_channel_class = Type(InProcessIOPubChannel)

          stdin_channel_class = Type(InProcessStdInChannel)

          hb_channel_class = Type(InProcessHBChannel)

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          kernel = Instance('IPython.kernel.inprocess.ipkernel.Kernel')

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          #--------------------------------------------------------------------------

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          # Channel management methods

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          #--------------------------------------------------------------------------

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          def start_channels(self, *args, **kwargs):

              super(InProcessKernelClient, self).start_channels(self)

              self.kernel.frontends.append(self)

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          @property

          def shell_channel(self):

              if self._shell_channel is None:

                  self._shell_channel = self.shell_channel_class(self)

              return self._shell_channel

          @property

          def iopub_channel(self):

              if self._iopub_channel is None:

                  self._iopub_channel = self.iopub_channel_class(self)

              return self._iopub_channel

          @property

          def stdin_channel(self):

              if self._stdin_channel is None:

                  self._stdin_channel = self.stdin_channel_class(self)

              return self._stdin_channel

          @property

          def hb_channel(self):

              if self._hb_channel is None:

                  self._hb_channel = self.hb_channel_class(self)

              return self._hb_channel

      #-----------------------------------------------------------------------------

      # ABC Registration

      #-----------------------------------------------------------------------------

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      KernelClientABC.register(InProcessKernelClient)

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MinRK update inprocess kernel to new layout...	r10298	"""A client for in-process kernels."""
MinRK split in process Manager and Client	r10297
		#-----------------------------------------------------------------------------
		# Copyright (C) 2012 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
		#-----------------------------------------------------------------------------

MinRK update inprocess kernel to new layout...	r10298	# IPython imports
		from IPython.utils.traitlets import Type, Instance
		from IPython.kernel.clientabc import KernelClientABC
		from IPython.kernel.client import KernelClient
MinRK split in process Manager and Client	r10297
MinRK update inprocess kernel to new layout...	r10298	# Local imports
		from .channels import (
		InProcessShellChannel,
		InProcessIOPubChannel,
		InProcessHBChannel,
		InProcessStdInChannel,
MinRK split in process Manager and Client	r10297
MinRK update inprocess kernel to new layout...	r10298	)
MinRK split in process Manager and Client	r10297
		#-----------------------------------------------------------------------------
MinRK update inprocess kernel to new layout...	r10298	# Main kernel Client class
MinRK split in process Manager and Client	r10297	#-----------------------------------------------------------------------------

MinRK update inprocess kernel to new layout...	r10298	class InProcessKernelClient(KernelClient):
		"""A client for an in-process kernel.
MinRK split in process Manager and Client	r10297
		This class implements the interface of
MinRK update inprocess kernel to new layout...	r10298	`IPython.kernel.clientabc.KernelClientABC` and allows
MinRK split in process Manager and Client	r10297	(asynchronous) frontends to be used seamlessly with an in-process kernel.

MinRK update inprocess kernel to new layout...	r10298	See `IPython.kernel.client.KernelClient` for docstrings.
MinRK split in process Manager and Client	r10297	"""

		# The classes to use for the various channels.
		shell_channel_class = Type(InProcessShellChannel)
		iopub_channel_class = Type(InProcessIOPubChannel)
		stdin_channel_class = Type(InProcessStdInChannel)
		hb_channel_class = Type(InProcessHBChannel)

MinRK update inprocess kernel to new layout...	r10298	kernel = Instance('IPython.kernel.inprocess.ipkernel.Kernel')
MinRK split in process Manager and Client	r10297
		#--------------------------------------------------------------------------
MinRK update inprocess kernel to new layout...	r10298	# Channel management methods
MinRK split in process Manager and Client	r10297	#--------------------------------------------------------------------------

MinRK update inprocess kernel to new layout...	r10298	def start_channels(self, args, *kwargs):
		super(InProcessKernelClient, self).start_channels(self)
		self.kernel.frontends.append(self)
MinRK split in process Manager and Client	r10297
		@property
		def shell_channel(self):
		if self._shell_channel is None:
		self._shell_channel = self.shell_channel_class(self)
		return self._shell_channel

		@property
		def iopub_channel(self):
		if self._iopub_channel is None:
		self._iopub_channel = self.iopub_channel_class(self)
		return self._iopub_channel

		@property
		def stdin_channel(self):
		if self._stdin_channel is None:
		self._stdin_channel = self.stdin_channel_class(self)
		return self._stdin_channel

		@property
		def hb_channel(self):
		if self._hb_channel is None:
		self._hb_channel = self.hb_channel_class(self)
		return self._hb_channel


		#-----------------------------------------------------------------------------
		# ABC Registration
		#-----------------------------------------------------------------------------

MinRK update inprocess kernel to new layout...	r10298	KernelClientABC.register(InProcessKernelClient)