e* :dZddlmZmZdZd dZdZdZd Zd S) z8Code for converting notebooks to and from the v2 format.)nbformatnbformat_minorcXt|tr-|D]\}}t|||<ngt|tr(t |D]\}}t|||<n*t|t r|d}|S)z^There should be no bytes objects in a notebook v2 stores png/jpeg as b64 ascii bytes ascii) isinstancedictitems_unbyteslist enumeratebytesdecode)objkvis 3lib/python3.11/site-packages/nbformat/v3/convert.pyr r s #t"IIKK ! !DAqa[[CFF ! C  "cNN ! !DAqa[[CFF ! C  "jj!! Jc:|dkr\t|_t|_d|_t|}|dD]#}|dD]}|di$|S|dkr |tkr||_t|_|Sd|z}t |)aPConvert a notebook to v3. Parameters ---------- nb : NotebookNode The Python representation of the notebook to convert. from_version : int The original version of the notebook to convert. from_minor : int The original minor version of the notebook to convert (only relevant for v >= 3). r worksheetscellsmetadatazZCannot convert a notebook directly from v%s to v3. Try using the nbformat.convert module.)rr orig_nbformatr setdefaultorig_nbformat_minor ValueError)nb from_version from_minorwscellmsgs rupgrader&sq * b\\\" 0 0B7  0 0 B//// 0     ' '%/B "*  57C D oorcjd|_|dd}d|zdz|jz|_dS)z-turn heading cell into corresponding markdownmarkdownlevelr# N) cell_typepopsource)r$r)s r heading_to_mdr/>s7DN HHWa E+#dk1DKKKrcd|_dS)zlet raw passthrough as markdownr(N)r,)r$s r raw_to_mdr1Es DNNNrc|jdkr|Sd|_|jD]A}|jD]7}|jdkrt ||jdkrt |8B|S)zConvert a v3 notebook to v2. Parameters ---------- nb : NotebookNode The Python representation of the notebook to convert. rrheadingraw)rrrr,r/r1)r r#r$s r downgrader5Js {a BKm  H  D~**d####5(($  IrN)rr) __doc__nbbaserrr r&r/r1r5rrr9s>> -,,,,,,,"!!!!H222   r