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

First version of cluster web service....

First version of cluster web service. This exposes ipcluster's over the web. The current implementation uses IPClusterLauncher to run ipcluster in a separate process. Here is the URL scheme we are using: GET /clusters => list available clusters GET /cluster/profile => list info for cluster with profile POST /cluster/profile/start => start a cluster POST /cluster/profile/stop => stop a cluster

Fernando Perez - - Load All Authors

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

      #  Copyright (C) 2010-2011  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 warnings

      from distutils.version import LooseVersion as V

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

          try:

              import zmq

          except ImportError:

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

          pyzmq_version = zmq.__version__

          if 'dev' not in pyzmq_version and V(pyzmq_version) < V(minimum_version):

              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 V(zmq.zmq_version()) >= V('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) 2010-2011 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 warnings
				from distutils.version import LooseVersion as V

				def check_for_zmq(minimum_version, module='IPython.zmq'):
				try:
				import zmq
				except ImportError:
				raise ImportError("%s requires pyzmq >= %s"%(module, minimum_version))

				pyzmq_version = zmq.__version__

				if 'dev' not in pyzmq_version and V(pyzmq_version) < V(minimum_version):
				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 V(zmq.zmq_version()) >= V('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')