U ku f @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]P}|jdkrBt|d|dd}n|jdkr^td|dd}|j|q|j||St d|d S) 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 textZmarkdown)sourcez(Cannot convert a notebook from v%s to v2N) rrcellsZ cell_typergetrappendZ worksheets ValueError)nbZ from_versionZnewnbwscellZnewcellr7/tmp/pip-unpacked-wheel-zj9qk9v2/nbformat/v2/convert.pyupgrades     rcCsd}t|dS)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.N) Exception)rmsgrrr downgrade7srN)r) __doc__ __future__rZnbbaserrrrrrrrrrs