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

use pyzmq tools where appropriate...

use pyzmq tools where appropriate ZMQStream is the right object to use for event-driven handling of messages, but instead we chose to rewrite half of it in KernelManager. This removes most of the duplicate code, in favor of using ZMQStream. also use the pyzmq install() function for using pyzmq with tornado, instead of manually pasting its contents in notebook app.

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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 >= 2.1.4

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

      import re

      import warnings

      def check_for_zmq(minimum_version, module='IPython.zmq'):

          min_vlist = [int(n) for n in minimum_version.split('.')]

          try:

              import zmq

          except ImportError:

              raise ImportError("%s requires pyzmq >= %s"%(module, minimum_version))

          pyzmq_version = zmq.__version__

          vlist = [int(n) for n in re.findall(r'\d+', pyzmq_version)]

          if 'dev' not in pyzmq_version and vlist < min_vlist:

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

                              module, minimum_version, pyzmq_version))

          # fix missing DEALER/ROUTER aliases in pyzmq < 2.1.9

          if not hasattr(zmq, 'DEALER'):

              zmq.DEALER = zmq.XREQ

          if not hasattr(zmq, 'ROUTER'):

              zmq.ROUTER = zmq.XREP

          if zmq.zmq_version() >= '4.0.0':

              warnings.warn("""libzmq 4 detected.

              It is unlikely that IPython's zmq code will work properly.

              Please install libzmq stable, which is 2.1.x or 2.2.x""",

              RuntimeWarning)

      check_for_zmq('2.1.4')

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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 >= 2.1.4
				#-----------------------------------------------------------------------------

				import re
				import warnings

				def check_for_zmq(minimum_version, module='IPython.zmq'):
				min_vlist = [int(n) for n in minimum_version.split('.')]

				try:
				import zmq
				except ImportError:
				raise ImportError("%s requires pyzmq >= %s"%(module, minimum_version))

				pyzmq_version = zmq.__version__
				vlist = [int(n) for n in re.findall(r'\d+', pyzmq_version)]

				if 'dev' not in pyzmq_version and vlist < min_vlist:
				raise ImportError("%s requires pyzmq >= %s, but you have %s"%(
				module, minimum_version, pyzmq_version))

				# fix missing DEALER/ROUTER aliases in pyzmq < 2.1.9
				if not hasattr(zmq, 'DEALER'):
				zmq.DEALER = zmq.XREQ
				if not hasattr(zmq, 'ROUTER'):
				zmq.ROUTER = zmq.XREP

				if zmq.zmq_version() >= '4.0.0':
				warnings.warn("""libzmq 4 detected.
				It is unlikely that IPython's zmq code will work properly.
				Please install libzmq stable, which is 2.1.x or 2.2.x""",
				RuntimeWarning)

				check_for_zmq('2.1.4')