j; @dZddlmZddlmZddlmZddlmZdZ dS) z.API for converting notebooks between versions.) annotations)versions) get_version)ValidationErrorct|\}}||kr|S|tvr||kr|dz}t|j}n|dz }t|j} ||}|dd|krd||fz}t |n-#t $r }d|d|d|}t|dd}~wwxYwt||St d|z) aConvert a notebook node object to a specific version. Assumes that all the versions starting from 1 to the latest major X are implemented. In other words, there should never be a case where v1 v2 v3 v5 exist without a v4. Also assumes that all conversions can be made in one step increments between major versions and ignores minor revisions. Parameters ---------- nb : NotebookNode to_version : int Major revision to convert the notebook to. Can either be an upgrade or a downgrade. Raises ------ ValueError Notebook failed to convert. ValueError The version specified is invalid or doesn't exist. ValidationError Conversion failed due to missing expected attributes. rnbformatz+Failed to convert notebook from v%d to v%d.z-Notebook could not be converted from version z to version z because it's missing a key: NzACannot convert notebook to v%d because that version doesn't exist) rrupgrade downgradeget ValueErrorAttributeErrorrconvert) nb to_versionversion version_minor step_versionconvert_function convertedmsges _/var/www/finuniver-perm.ru/html/student/venv/lib/python3.11/site-packages/nbformat/converter.pyrr sU2 +2Wm* X   "Q;L' 5=  "Q;L'0:  1((,,I}}Z++w66CwP\F]] oo%7 1 1 1F'FFWcFFCDFFC!#&&D 0 1 y*--- KzZ  s;B C B;;CN) __doc__ __future__rrreaderr validatorrrrr!sn44#"""""&&&&&&99999r