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Make traitlets notify check more robust against classes redefining equality and bool...
Make traitlets notify check more robust against classes redefining equality and bool Before this change, numpy arrays caused problems since comparing two numpy arrays returns an array of truth values, rather than a single truth value. This change guards against redefining the semantics of comparison by notifying on a trait change if the equality comparison returns anything other than an explicit True value.

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base.py
56 lines | 1.7 KiB | text/x-python | PythonLexer
"""
Contains writer base class.
"""
#-----------------------------------------------------------------------------
#Copyright (c) 2013, the IPython Development Team.
#
#Distributed under the terms of the Modified BSD License.
#
#The full license is in the file COPYING.txt, distributed with this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
from IPython.utils.traitlets import List
from ..utils.base import NbConvertBase
#-----------------------------------------------------------------------------
# Classes
#-----------------------------------------------------------------------------
class WriterBase(NbConvertBase):
"""Consumes output from nbconvert export...() methods and writes to a
useful location. """
files = List([], config=True, help="""
List of the files that the notebook references. Files will be
included with written output.""")
def __init__(self, config=None, **kw):
"""
Constructor
"""
super(WriterBase, self).__init__(config=config, **kw)
def write(self, output, resources, **kw):
"""
Consume and write Jinja output.
Parameters
----------
output : string
Conversion results. This string contains the file contents of the
converted file.
resources : dict
Resources created and filled by the nbconvert conversion process.
Includes output from preprocessors, such as the extract figure
preprocessor.
"""
raise NotImplementedError()