upstream/ipython Files · IPython/zmq/__init__.py

Remove print statements in ZMQ parent pollers....

Remove print statements in ZMQ parent pollers. These statements were originally inserted for debugging purposes. However, if the parent process owns the child's stdout and the parent dies, the print statements will deadlock, preventing the poller from terminating its process and thereby utterly breaking it.

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             __init__.py
        
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      #-----------------------------------------------------------------------------

      #  Copyright (C) 2010  The IPython Development Team

      #

      #  Distributed under the terms of the BSD License.  The full license is in

      #  the file COPYING.txt, distributed as part of this software.

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

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

      # Verify zmq version dependency >= 2.0.10-1

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

      minimum_pyzmq_version = "2.0.10-1"

      try:

          import zmq

      except ImportError:

          raise ImportError("IPython.zmq requires pyzmq >= %s"%minimum_pyzmq_version)

      pyzmq_version = zmq.__version__

      if pyzmq_version < minimum_pyzmq_version:

          raise ImportError("IPython.zmq requires pyzmq >= %s, but you have %s"%(

                          minimum_pyzmq_version, pyzmq_version))

      del pyzmq_version

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				#-----------------------------------------------------------------------------
				# Copyright (C) 2010 The IPython Development Team
				#
				# Distributed under the terms of the BSD License. The full license is in
				# the file COPYING.txt, distributed as part of this software.
				#-----------------------------------------------------------------------------

				#-----------------------------------------------------------------------------
				# Verify zmq version dependency >= 2.0.10-1
				#-----------------------------------------------------------------------------

				minimum_pyzmq_version = "2.0.10-1"

				try:
				import zmq
				except ImportError:
				raise ImportError("IPython.zmq requires pyzmq >= %s"%minimum_pyzmq_version)

				pyzmq_version = zmq.__version__

				if pyzmq_version < minimum_pyzmq_version:
				raise ImportError("IPython.zmq requires pyzmq >= %s, but you have %s"%(
				minimum_pyzmq_version, pyzmq_version))

				del pyzmq_version