62 lines
2.0 KiB
Python
62 lines
2.0 KiB
Python
|
"""Code for converting notebooks to and from the v2 format.
|
||
|
|
|
||
|
|
Authors:
|
||
|
|
|
||
|
|
* Brian Granger
|
||
|
|
* Jonathan Frederic
|
||
|
|
"""
|
||
|
|
|
||
|
|
#-----------------------------------------------------------------------------
|
||
|
|
# 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 .nbbase import (
|
||
|
|
new_code_cell, new_text_cell, new_worksheet, new_notebook, new_output
|
||
|
|
)
|
||
|
|
|
||
|
|
#-----------------------------------------------------------------------------
|
||
|
|
# Code
|
||
|
|
#-----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
def upgrade(nb, from_version=1):
|
||
|
|
"""Convert a notebook to the v2 format.
|
||
|
|
|
||
|
|
Parameters
|
||
|
|
----------
|
||
|
|
nb : NotebookNode
|
||
|
|
The Python representation of the notebook to convert.
|
||
|
|
from_version : int
|
||
|
|
The version of the notebook to convert from.
|
||
|
|
"""
|
||
|
|
if from_version == 1:
|
||
|
|
newnb = new_notebook()
|
||
|
|
ws = new_worksheet()
|
||
|
|
for cell in nb.cells:
|
||
|
|
if cell.cell_type == u'code':
|
||
|
|
newcell = new_code_cell(input=cell.get('code'),prompt_number=cell.get('prompt_number'))
|
||
|
|
elif cell.cell_type == u'text':
|
||
|
|
newcell = new_text_cell(u'markdown',source=cell.get('text'))
|
||
|
|
ws.cells.append(newcell)
|
||
|
|
newnb.worksheets.append(ws)
|
||
|
|
return newnb
|
||
|
|
else:
|
||
|
|
raise ValueError('Cannot convert a notebook from v%s to v2' % from_version)
|
||
|
|
|
||
|
|
|
||
|
|
def downgrade(nb):
|
||
|
|
"""Convert a v2 notebook to v1.
|
||
|
|
|
||
|
|
Parameters
|
||
|
|
----------
|
||
|
|
nb : NotebookNode
|
||
|
|
The Python representation of the notebook to convert.
|
||
|
|
"""
|
||
|
|
raise Exception("Downgrade from notebook v2 to v1 is not supported.")
|