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#-----------------------------------------------------------------------------
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# Copyright (C) 2010 The IPython Development Team
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#
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# Distributed under the terms of the BSD License. The full license is in
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# the file COPYING.txt, distributed as part of this software.
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Verify zmq version dependency >= 2.1.11
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#-----------------------------------------------------------------------------
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import warnings
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from IPython.utils.version import check_version
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def patch_pyzmq():
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"""backport a few patches from newer pyzmq
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These can be removed as we bump our minimum pyzmq version
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"""
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import zmq
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# fallback on stdlib json if jsonlib is selected, because jsonlib breaks things.
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# jsonlib support is removed from pyzmq >= 2.2.0
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from zmq.utils import jsonapi
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if jsonapi.jsonmod.__name__ == 'jsonlib':
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import json
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jsonapi.jsonmod = json
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def check_for_zmq(minimum_version, module='IPython.kernel.zmq'):
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try:
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import zmq
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except ImportError:
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raise ImportError("%s requires pyzmq >= %s"%(module, minimum_version))
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pyzmq_version = zmq.__version__
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if not check_version(pyzmq_version, minimum_version):
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raise ImportError("%s requires pyzmq >= %s, but you have %s"%(
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module, minimum_version, pyzmq_version))
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check_for_zmq('2.1.11')
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patch_pyzmq()
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from .session import Session
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