o i@s2dZddlmZmZmZmZdddZddZdS) zhCode for converting notebooks to and from the v2 format. Authors: * Brian Granger * Jonathan Frederic ) new_code_cell new_notebook new_text_cell new_worksheetcCs|dkr>t}t}|jD](}|jdkr!t|d|dd}n|jdkr/td|dd}|j|q |j||St d|) zConvert 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. rcode prompt_number)inputrtextmarkdown)sourcez(Cannot convert a notebook from v%s to v2) rrcells cell_typergetrappend worksheets ValueError)nb from_versionnewnbwscellnewcellrN/var/www/edux/Edux_v2/venv/lib/python3.10/site-packages/nbformat/v2/convert.pyupgrades      rcCstd)zConvert a v2 notebook to v1. Parameters ---------- nb : NotebookNode The Python representation of the notebook to convert. z2Downgrade from notebook v2 to v1 is not supported.) Exception)rrrr downgrade6srN)r)__doc__nbbaserrrrrrrrrrs