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

Fix race condition in javascript kernel message processing...

Fix race condition in javascript kernel message processing Because the binary messages are now deserialized using the asynchronous FileReader API, we need to have some way to force the messages to still be processed in the order they are received. This patch implements a simple processing queue using promises.

MinRK - - Load All Authors

File last commit:

r16571:35791903


                r20441:834cd9c4

Download file

             managerabc.py
        
                    53 lines
            
             | 1.2 KiB
            
                | text/x-python
            
             |
                PythonLexer
            
             / IPython / kernel / managerabc.py
          
                    History
                
                 |
                  Annotation
                 | Raw
                 |Copy content
                 |Copy permalink

      """Abstract base class for kernel managers."""

      # Copyright (c) IPython Development Team.

      # Distributed under the terms of the Modified BSD License.

      import abc

      from IPython.utils.py3compat import with_metaclass

      class KernelManagerABC(with_metaclass(abc.ABCMeta, object)):

          """KernelManager ABC.

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

          `IPython.kernel.kernelmanager.KernelManager`

          """

          @abc.abstractproperty

          def kernel(self):

              pass

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

          # Kernel management

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

          @abc.abstractmethod

          def start_kernel(self, **kw):

              pass

          @abc.abstractmethod

          def shutdown_kernel(self, now=False, restart=False):

              pass

          @abc.abstractmethod

          def restart_kernel(self, now=False, **kw):

              pass

          @abc.abstractproperty

          def has_kernel(self):

              pass

          @abc.abstractmethod

          def interrupt_kernel(self):

              pass

          @abc.abstractmethod

          def signal_kernel(self, signum):

              pass

          @abc.abstractmethod

          def is_alive(self):

              pass

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

				"""Abstract base class for kernel managers."""

				# Copyright (c) IPython Development Team.
				# Distributed under the terms of the Modified BSD License.

				import abc

				from IPython.utils.py3compat import with_metaclass


				class KernelManagerABC(with_metaclass(abc.ABCMeta, object)):
				"""KernelManager ABC.

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

				`IPython.kernel.kernelmanager.KernelManager`
				"""

				@abc.abstractproperty
				def kernel(self):
				pass

				#--------------------------------------------------------------------------
				# Kernel management
				#--------------------------------------------------------------------------

				@abc.abstractmethod
				def start_kernel(self, **kw):
				pass

				@abc.abstractmethod
				def shutdown_kernel(self, now=False, restart=False):
				pass

				@abc.abstractmethod
				def restart_kernel(self, now=False, **kw):
				pass

				@abc.abstractproperty
				def has_kernel(self):
				pass

				@abc.abstractmethod
				def interrupt_kernel(self):
				pass

				@abc.abstractmethod
				def signal_kernel(self, signum):
				pass

				@abc.abstractmethod
				def is_alive(self):
				pass