upstream/ipython Files · IPython/kernel/clientabc.py

Use default OS shell to run system commands...

Use default OS shell to run system commands Instead of using os.system which uses /bin/sh, this uses subprocess.call (the replacement of os.system) to run the command using the default shell of the OS. With this, one can use more advanced commands for bash, zsh, ksh, ... I also edited the docstring, added comments and fixed the handling of return codes.

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             clientabc.py
        
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             / IPython / kernel / clientabc.py
          
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      """Abstract base class for kernel clients"""

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

      #  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

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

      # Standard library imports

      import abc

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

      # Main kernel client class

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

      class KernelClientABC(object):

          """KernelManager ABC.

          The docstrings for this class can be found in the base implementation:

          `IPython.kernel.client.KernelClient`

          """

          __metaclass__ = abc.ABCMeta

          @abc.abstractproperty

          def kernel(self):

              pass

          @abc.abstractproperty

          def shell_channel_class(self):

              pass

          @abc.abstractproperty

          def iopub_channel_class(self):

              pass

          @abc.abstractproperty

          def hb_channel_class(self):

              pass

          @abc.abstractproperty

          def stdin_channel_class(self):

              pass

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

          # Channel management methods

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

          @abc.abstractmethod

          def start_channels(self, shell=True, iopub=True, stdin=True, hb=True):

              pass

          @abc.abstractmethod

          def stop_channels(self):

              pass

          @abc.abstractproperty

          def channels_running(self):

              pass

          @abc.abstractproperty

          def shell_channel(self):

              pass

          @abc.abstractproperty

          def iopub_channel(self):

              pass

          @abc.abstractproperty

          def stdin_channel(self):

              pass

          @abc.abstractproperty

          def hb_channel(self):

              pass

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				"""Abstract base class for kernel clients"""

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

				# Standard library imports
				import abc

				#-----------------------------------------------------------------------------
				# Main kernel client class
				#-----------------------------------------------------------------------------

				class KernelClientABC(object):
				"""KernelManager ABC.

				The docstrings for this class can be found in the base implementation:

				`IPython.kernel.client.KernelClient`
				"""

				__metaclass__ = abc.ABCMeta

				@abc.abstractproperty
				def kernel(self):
				pass

				@abc.abstractproperty
				def shell_channel_class(self):
				pass

				@abc.abstractproperty
				def iopub_channel_class(self):
				pass

				@abc.abstractproperty
				def hb_channel_class(self):
				pass

				@abc.abstractproperty
				def stdin_channel_class(self):
				pass

				#--------------------------------------------------------------------------
				# Channel management methods
				#--------------------------------------------------------------------------

				@abc.abstractmethod
				def start_channels(self, shell=True, iopub=True, stdin=True, hb=True):
				pass

				@abc.abstractmethod
				def stop_channels(self):
				pass

				@abc.abstractproperty
				def channels_running(self):
				pass

				@abc.abstractproperty
				def shell_channel(self):
				pass

				@abc.abstractproperty
				def iopub_channel(self):
				pass

				@abc.abstractproperty
				def stdin_channel(self):
				pass

				@abc.abstractproperty
				def hb_channel(self):
				pass