o tf @sXdZddlmZddlZddlmZGdddeZdd Zd d Z d d Z ddZ dS)z/API for reading notebooks of different versions) annotationsN)ValidationErrorc@seZdZdZdS) NotJSONErrorz1An error raised when an object is not valid JSON.N)__name__ __module__ __qualname____doc__r r X/var/www/html/software/conda/envs/catlas/lib/python3.10/site-packages/nbformat/reader.pyr src Ksbz tj|fi|}W|Sty0}zd|}t|dkr'|ddd}t||d}~ww)z Parse a JSON string into a dict.z%Notebook does not appear to be JSON: PNMz...)jsonloads ValueErrorlenr)skwargsnb_dictemessager r r parse_jsons   rcCs |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 ZnbformatrZnbformat_minorr)get)nbmajorminorr r r get_version s rc Ksddlm}m}t|fi|}t|\}}||vr;z ||j||dWSty:}z d|}t|dd}~ww|d|)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)rz8The notebook is invalid and is missing an expected key: NzUnsupported nbformat version %s)rrrrZto_notebook_jsonAttributeErrorr) rrrrrrrrmsgr r r reads1s    r"cKst|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)fprr r r r#Wsr#) r __future__rr validatorrrrrrr"r#r r r r s   &