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Merge pull request #1856 from mcelrath/master...
Merge pull request #1856 from mcelrath/master Fix 1px jumping of cells and menus in Notebook as selection moves around, by careful creation of 1px outlines.

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__init__.py
68 lines | 2.2 KiB | text/x-python | PythonLexer
#-----------------------------------------------------------------------------
# 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 patch_pyzmq():
"""backport a few patches from newer pyzmq
These can be removed as we bump our minimum pyzmq version
"""
import zmq
# ioloop.install, introduced in pyzmq 2.1.7
from zmq.eventloop import ioloop
def install():
import tornado.ioloop
tornado.ioloop.IOLoop = ioloop.IOLoop
if not hasattr(ioloop, 'install'):
ioloop.install = install
# 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
# fallback on stdlib json if jsonlib is selected, because jsonlib breaks things.
# jsonlib support is removed from pyzmq >= 2.2.0
from zmq.utils import jsonapi
if jsonapi.jsonmod.__name__ == 'jsonlib':
import json
jsonapi.jsonmod = json
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))
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')
patch_pyzmq()