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Merge pull request #1372 from minrk/reuse-cleanup...
Merge pull request #1372 from minrk/reuse-cleanup ipcontroller cleans up connection files unless reuse=True Connection files are not valid across sessions if reuse is False, but were previously preserved, which could cause engines to try to connect to the wrong ports if the Controller took too long to start and/or write new connection files. Also shuffles signal handling around a bit, so that a clean exit occurs, rather than calling sys.exit directly in the signal handler.

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r6080:c1c517a0 merge
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rwbase.py
47 lines | 1.4 KiB | text/x-python | PythonLexer
"""Base classes and function for readers and writers.
Authors:
* Brian Granger
"""
#-----------------------------------------------------------------------------
# Copyright (C) 2008-2011 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
from base64 import encodestring, decodestring
#-----------------------------------------------------------------------------
# Code
#-----------------------------------------------------------------------------
class NotebookReader(object):
def reads(self, s, **kwargs):
"""Read a notebook from a string."""
raise NotImplementedError("loads must be implemented in a subclass")
def read(self, fp, **kwargs):
"""Read a notebook from a file like object"""
return self.reads(fp.read(), **kwargs)
class NotebookWriter(object):
def writes(self, nb, **kwargs):
"""Write a notebook to a string."""
raise NotImplementedError("loads must be implemented in a subclass")
def write(self, nb, fp, **kwargs):
"""Write a notebook to a file like object"""
return fp.write(self.writes(nb,**kwargs))