##// END OF EJS Templates
Backport PR #2261: Fix: longest_substr([]) -> ''...
Backport PR #2261: Fix: longest_substr([]) -> '' Previously the algorithm used to find the longest common starting substring unintentionally raised an error when it was called on an empty list. This should fix the issue of an error being raised when running %paste on an empty clipboard (#2252).

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nbjson.py
54 lines | 1.5 KiB | text/x-python | PythonLexer
"""Read and write notebooks in JSON format.
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
from .rwbase import NotebookReader, NotebookWriter
from .nbbase import from_dict
import json
#-----------------------------------------------------------------------------
# Code
#-----------------------------------------------------------------------------
class JSONReader(NotebookReader):
def reads(self, s, **kwargs):
nb = json.loads(s, **kwargs)
return self.to_notebook(nb, **kwargs)
def to_notebook(self, d, **kwargs):
"""Convert from a raw JSON dict to a nested NotebookNode structure."""
return from_dict(d)
class JSONWriter(NotebookWriter):
def writes(self, nb, **kwargs):
kwargs['indent'] = 4
return json.dumps(nb, **kwargs)
_reader = JSONReader()
_writer = JSONWriter()
reads = _reader.reads
read = _reader.read
to_notebook = _reader.to_notebook
write = _writer.write
writes = _writer.writes