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

Merge pull request from ipython/flatten...

Merge pull request from ipython/flatten Flatten IPython.frontend, moving all its components to the top-level of IPython. This includes a shim module that allows older projects to maintain backwards compatibility while warning them loudly about the change, so they can adapt to the new API.

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             socket.py
        
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             | 2.1 KiB
            
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                PythonLexer
            
             / IPython / kernel / inprocess / socket.py
          
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        epatters
    
Implement EmbeddedKernel.

              r8411
            
      """ Defines a dummy socket implementing (part of) the zmq.Socket interface. """

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

      #  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

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

      # Standard library imports.

        epatters
    
Add abstract base class (ABC) for sockets used in kernel.

              r8418
            
      import abc

        epatters
    
Implement EmbeddedKernel.

              r8411
            
      import Queue

      # System library imports.

      import zmq

      # Local imports.

      from IPython.utils.traitlets import HasTraits, Instance, Int

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

        epatters
    
Add abstract base class (ABC) for sockets used in kernel.

              r8418
            
      # Generic socket interface

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

      class SocketABC(object):

          __metaclass__ = abc.ABCMeta

          @abc.abstractmethod

          def recv_multipart(self, flags=0, copy=True, track=False):

              raise NotImplementedError

          @abc.abstractmethod

          def send_multipart(self, msg_parts, flags=0, copy=True, track=False):

              raise NotImplementedError

      SocketABC.register(zmq.Socket)

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

        epatters
    
Implement EmbeddedKernel.

              r8411
            
      # Dummy socket class

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

      class DummySocket(HasTraits):

          """ A dummy socket implementing (part of) the zmq.Socket interface. """

          queue = Instance(Queue.Queue, ())

          message_sent = Int(0) # Should be an Event

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

        epatters
    
Add abstract base class (ABC) for sockets used in kernel.

              r8418
            
          # Socket interface

        epatters
    
Implement EmbeddedKernel.

              r8411
            
          #-------------------------------------------------------------------------

          def recv_multipart(self, flags=0, copy=True, track=False):

              return self.queue.get_nowait()

          def send_multipart(self, msg_parts, flags=0, copy=True, track=False):

              msg_parts = map(zmq.Message, msg_parts)

              self.queue.put_nowait(msg_parts)

              self.message_sent += 1

        epatters
    
Add abstract base class (ABC) for sockets used in kernel.

              r8418
            
      SocketABC.register(DummySocket)

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epatters Implement EmbeddedKernel.	r8411	""" Defines a dummy socket implementing (part of) the zmq.Socket interface. """

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

		# Standard library imports.
epatters Add abstract base class (ABC) for sockets used in kernel.	r8418	import abc
epatters Implement EmbeddedKernel.	r8411	import Queue

		# System library imports.
		import zmq

		# Local imports.
		from IPython.utils.traitlets import HasTraits, Instance, Int

		#-----------------------------------------------------------------------------
epatters Add abstract base class (ABC) for sockets used in kernel.	r8418	# Generic socket interface
		#-----------------------------------------------------------------------------

		class SocketABC(object):
		__metaclass__ = abc.ABCMeta

		@abc.abstractmethod
		def recv_multipart(self, flags=0, copy=True, track=False):
		raise NotImplementedError

		@abc.abstractmethod
		def send_multipart(self, msg_parts, flags=0, copy=True, track=False):
		raise NotImplementedError

		SocketABC.register(zmq.Socket)

		#-----------------------------------------------------------------------------
epatters Implement EmbeddedKernel.	r8411	# Dummy socket class
		#-----------------------------------------------------------------------------

		class DummySocket(HasTraits):
		""" A dummy socket implementing (part of) the zmq.Socket interface. """

		queue = Instance(Queue.Queue, ())
		message_sent = Int(0) # Should be an Event

		#-------------------------------------------------------------------------
epatters Add abstract base class (ABC) for sockets used in kernel.	r8418	# Socket interface
epatters Implement EmbeddedKernel.	r8411	#-------------------------------------------------------------------------

		def recv_multipart(self, flags=0, copy=True, track=False):
		return self.queue.get_nowait()

		def send_multipart(self, msg_parts, flags=0, copy=True, track=False):
		msg_parts = map(zmq.Message, msg_parts)
		self.queue.put_nowait(msg_parts)
		self.message_sent += 1
epatters Add abstract base class (ABC) for sockets used in kernel.	r8418
		SocketABC.register(DummySocket)