ó ‹'=[c@sGdZddlmZmZmZmZmZdd„Zd„ZdS(shCode for converting notebooks to and from the v2 format. Authors: * Brian Granger * Jonathan Frederic i(t new_code_cellt new_text_cellt new_worksheett new_notebookt new_outputcCsÐ|dkr¼tƒ}tƒ}x‡|jD]|}|jdkrgtd|jdƒd|jdƒƒ}n-|jdkr”tdd|jd ƒƒ}n|jj|ƒq(W|jj|ƒ|St d |ƒ‚d S( sèConvert 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. iucodetinputtcodet prompt_numberutextumarkdowntsourcettexts(Cannot convert a notebook from v%s to v2N( RRtcellst cell_typeRtgetRtappendt worksheetst ValueError(tnbt from_versiontnewnbtwstcelltnewcell((s2lib/python2.7/site-packages/nbformat/v2/convert.pytupgrades   *cCstdƒ‚dS(s”Convert a v2 notebook to v1. Parameters ---------- nb : NotebookNode The Python representation of the notebook to convert. s2Downgrade from notebook v2 to v1 is not supported.N(t Exception(R((s2lib/python2.7/site-packages/nbformat/v2/convert.pyt downgrade5sN( t__doc__tnbbaseRRRRRRR(((s2lib/python2.7/site-packages/nbformat/v2/convert.pyts (