j ^dZddlmZddlZddlmZGddeZdZd Z d Z d Z dS) z/API for reading notebooks of different versions) annotationsN)ValidationErrorceZdZdZdS) NotJSONErrorz1An error raised when an object is not valid JSON.N)__name__ __module__ __qualname____doc__\/var/www/finuniver-perm.ru/html/student/venv/lib/python3.11/site-packages/nbformat/reader.pyrr s;;;;r rc  tj|fi|}nG#t$r:}d|}t|dkr |dddz}t ||d}~wwxYw|S)z Parse a JSON string into a dict.z%Notebook does not appear to be JSON: PNMz...)jsonloads ValueErrorlenr)skwargsnb_dictemessages r parse_jsonrs+*Q))&)) +++?!?? w<<"  crclU*G7##* + Ns A5AAcb|dd}|dd}||fS)zGet the version of a notebook. Parameters ---------- nb : dict NotebookNode or dict containing notebook data. Returns ------- Tuple containing major (int) and minor (int) version numbers nbformatrnbformat_minorr)get)nbmajorminors r get_versionr# s5 FF:q ! !E FF#Q ' 'E 5>r c ddlm}m}t|fi|}t |\}}||vrE ||||S#t $r}d|}t|dd}~wwxYw|d|z)aQRead a notebook from a json string and return the NotebookNode object. This function properly reads notebooks of any version. No version conversion is performed. Parameters ---------- s : unicode | bytes The raw string or bytes object to read the notebook from. Returns ------- nb : NotebookNode The notebook that was read. Raises ------ ValidationError Notebook JSON for a given version is missing an expected key and cannot be read. NBFormatError Specified major version is invalid or unsupported. r) NBFormatErrorversions)r"z8The notebook is invalid and is missing an expected key: NzUnsupported nbformat version %s)r%r&rr#to_notebook_jsonAttributeErrorr) rrr%r&rr!r"rmsgs rreadsr+1s0*)))))))%%f%%G ))NUE  1E?33G53II I 1 1 1PQPPC!#&&D 0 1m=EFFFsA A.A))A.c @t|fi|S)aZRead a notebook from a file and return the NotebookNode object. This function properly reads notebooks of any version. No version conversion is performed. Parameters ---------- fp : file Any file-like object with a read method. Returns ------- nb : NotebookNode The notebook that was read. )r+read)fprs rr-r-Ws"  % %f % %%r ) r __future__rr validatorrrrrr#r+r-r r rr1s55#""""" &&&&&&<<<<<:<<<    "#G#G#GL&&&&&r