Uploaded Test files

venv/Lib/site-packages/nbformat/v2/convert.py

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+"""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.")