ó ‹'=[c@sdZddlZddlZddlmZmZmZddlmZddlm Z d„Z dd d „Z d „Z d „Z id d6dd6dd6dd6dd6dd6dd6dd6Zd„Zd„Zd„Zd „Zd!„Zd"„Zd#„ZdS($s-Code for converting notebooks to and from v3.i˙˙˙˙Ni(tnbformattnbformat_minort NotebookNode(tv3(t get_loggercCsZddlm}m}y||d|ƒWn)|k rU}tƒjd||ƒnXdS(s(Log validation errors, if there are any.i˙˙˙˙(tvalidatetValidationErrortversions"Notebook JSON is not valid v%i: %sN(RRRRterror(tnbRRRte((s2lib/python2.7/site-packages/nbformat/v4/convert.pyt_warn_if_invalids iicCsE|dkrýt||ƒ|jdd ƒ}|jdd ƒ}|pFd|j_|pXd|j_t|_t|_g|d<}xB|jdgƒD].}x%|dD]}|jt |ƒƒqĽWq”W|jjddƒ|jjd dƒt|tƒ|S|d kr1|tkr$||j_nt|_|St d |ƒ‚d S( sPConvert a notebook to v4. Parameters ---------- nb : NotebookNode The Python representation of the notebook to convert. from_version : int The original version of the notebook to convert. from_minor : int The original minor version of the notebook to convert (only relevant for v >= 3). it orig_nbformattorig_nbformat_minoritcellst worksheetstnamett signatureisZCannot convert a notebook directly from v%s to v4. Try using the nbformat.convert module.N( R tpoptNonetmetadataR R RRtappendt upgrade_cellt ValueError(R t from_versiont from_minorR R Rtwstcell((s2lib/python2.7/site-packages/nbformat/v4/convert.pytupgrades.        cCs|jdtƒƒ|jdkr–|jddƒd|krW|jdƒ|jd markdown heading code cell: - remove language metadata - cell.input -> cell.source - cell.prompt_number -> cell.execution_count - update outputs RtcodetlanguageRt collapsedtinputt prompt_numbertheadingtmarkdowntleveliu{hashes} {single_line}thashest#t single_linet tsourcethtmlN(t setdefaultRt cell_typeRRR*Rtexecution_counttupgrade_outputstoutputstformattjointgett splitlines(RR%((s2lib/python2.7/site-packages/nbformat/v4/convert.pyRLs"     * cCs|jdkrod|_|jddƒ|_|jdd ƒ|_|jjdtƒ|_t |j ƒ|_ n|jdkrđ|j ddƒ}d|krđ|j d ƒrđt jd |ƒjƒ\}}d |_||_t|ƒ|_qđn|jd d ƒ|S(sdowngrade a cell from v4 to v3 code cell: - set cell.language - cell.input <- cell.source - cell.prompt_number <- cell.execution_count - update outputs markdown cell: - single-line heading -> heading cell RtpythonR*RR.R R$s R's (#+)\s*(.*)R#t attachmentsN(R-RRR!RR"RtFalseR tdowngrade_outputsR0R3t startswithtretmatchtgroupsR*tlenR%(RR*tprefixttext((s2lib/python2.7/site-packages/nbformat/v4/convert.pytdowngrade_cellks    s text/plainR?s text/htmlR+s image/svg+xmltsvgs image/pngtpngs image/jpegtjpegs text/latextlatexsapplication/jsontjsonsapplication/javascriptt javascriptcCsCx<tjƒD].\}}||kr |j|ƒ|| execute_result - pyerr -> error - output.type -> output.data.mime/type - mime-type keys - stream.stream -> stream.name t output_typetpyoutt display_dataRtexecute_resultR"R.tdatasapplication/jsons image/pngs image/jpegtasciitpyerrRtstreamtstdoutRN(s image/pngs image/jpeg( R,RRRtlistRLRREtloadst isinstancetbytestdecode(toutputRStkey((s2lib/python2.7/site-packages/nbformat/v4/convert.pytupgrade_output s.       ! cCsú|dddhkrł|ddkrId|d<|jddƒ|d output.type - un-mime-type keys - stream.stream <- stream.name RORRRQRPR.R"RSsapplication/jsonRRRURVRN(RRREtdumpsRNtupdateR3(R]RS((s2lib/python2.7/site-packages/nbformat/v4/convert.pytdowngrade_outputÄs      cCsg|D]}t|ƒ^qS(s,upgrade outputs of a code cell from v3 to v4(R_(R0top((s2lib/python2.7/site-packages/nbformat/v4/convert.pyR/ßscCsg|D]}t|ƒ^qS(s.downgrade outputs of a code cell to v3 from v4(Rb(R0Rc((s2lib/python2.7/site-packages/nbformat/v4/convert.pyR8ăscCsĎ|jtkr|St|tƒtj|_tj|_g|jdƒD]}t|ƒ^qH}tjd|ƒg|_|jj ddƒt|tjƒ|jjdtƒ|_ |jjdtƒ|_ |S(s”Convert a v4 notebook to v3. Parameters ---------- nb : NotebookNode The Python representation of the notebook to convert. RRRR R ( RR RRRR@t new_worksheetRRR,R R (R RR((s2lib/python2.7/site-packages/nbformat/v4/convert.pyt downgradeçs   ((t__doc__RER:tnbbaseRRRRt traitlets.logRR RRR@RGRLRNR_RbR/R8Re(((s2lib/python2.7/site-packages/nbformat/v4/convert.pyts2   3      $