o tf @s>dZddlmZddlmZmZmZmZd ddZddZ d S) zhCode for converting notebooks to and from the v2 format. Authors: * Brian Granger * Jonathan Frederic ) annotations) 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)inputr textmarkdown)sourcez(Cannot convert a notebook from v%s to v2) rrcellsZ cell_typergetrappendZ worksheets ValueError)nbZ from_versionZnewnbwscellZnewcellr\/var/www/html/software/conda/envs/catlas/lib/python3.10/site-packages/nbformat/v2/convert.pyupgrades      rcCs d}t|)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)rmsgrrr downgrade7srN)r) __doc__ __future__rZnbbaserrrrrrrrrrs