ó ù2¢\c@sÊdZddlZddlZddlmZddlmZmZddlm Z ddl m Z ddl m Z dd lmZdd lmZd e efd „ƒYZd eefd„ƒYZdS(s) File-based Checkpoints implementations. iÿÿÿÿN(t HTTPErrori(t CheckpointstGenericCheckpointsMixin(tFileManagerMixin(tensure_dir_exists(tgetcwd(tUnicode(t_tztFileCheckpointscBs†eZdZeddeddƒZedeƒZd„Zd„Zd„Z d„Z d „Z d „Z d „Z d „Zd „ZRS(sá A Checkpoints that caches checkpoints for files in adjacent directories. Only works with FileContentsManager. Use GenericFileCheckpoints if you want file-based checkpoints with another ContentsManager. s.ipynb_checkpointstconfigthelps©The directory name in which to keep file checkpoints This is a path relative to the file's own directory. By default, it is .ipynb_checkpoints cCs*y|jjSWntk r%tƒSXdS(N(tparenttroot_dirtAttributeErrorR(tself((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pyt_root_dir_default,s cCsGd}|j|ƒ}|j||ƒ}|j||ƒ|j||ƒS(sCreate a checkpoint.u checkpoint(t _get_os_pathtcheckpoint_patht_copytcheckpoint_model(Rt contents_mgrtpatht checkpoint_idtsrc_patht dest_path((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pytcreate_checkpoint3s cCs5|j||ƒ}|j|ƒ}|j||ƒdS(sRestore a checkpoint.N(RRR(RRRRRR((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pytrestore_checkpoint;scCsv|j||ƒ}|j||ƒ}tjj|ƒrr|jjd||ƒ|jƒtj||ƒWdQXndS(s.Rename a checkpoint from old_path to new_path.sRenaming checkpoint %s -> %sN( RtosRtisfiletlogtdebugt perm_to_403tshutiltmove(RRtold_pathtnew_patht old_cp_patht new_cp_path((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pytrename_checkpointBs  cCs}|jdƒ}|j||ƒ}tjj|ƒsF|j||ƒn|jjd|ƒ|jƒtj |ƒWdQXdS(sdelete a file's checkpointt/s unlinking %sN( tstripRRRRtno_such_checkpointRRRtunlink(RRRtcp_path((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pytdelete_checkpointOs cCsT|jdƒ}d}|j||ƒ}tjj|ƒs=gS|j||ƒgSdS(s~list the checkpoints for a given file This contents manager currently only supports one checkpoint per file. R't checkpointN(R(RRRRR(RRRtos_path((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pytlist_checkpointsZs c CsÐ|jdƒ}d|jddƒ\}}|jdƒ}tjj|ƒ\}}djd|d|d|ƒ}|jd|ƒ}tjj||jƒ} |j ƒt | ƒWdQXtjj| |ƒ} | S( sfind the path to a checkpointR'iu{name}-{checkpoint_id}{ext}tnameRtextRN( R(trsplitRRtsplitexttformatRtjointcheckpoint_dirRR( RRRR R0tbasenameR1tfilenameR.tcp_dirR+((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pyRhs   cCs:tj|ƒ}tj|jƒ}td|d|ƒ}|S(s.construct the info dict for a given checkpointtidt last_modified(Rtstatttztutcfromtimestamptst_mtimetdict(RRR.tstatsR;tinfo((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pyRzs  cCstdd||fƒ‚dS(Ni”u Checkpoint does not exist: %s@%s(R(RRR((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pyR)…s(t__name__t __module__t__doc__RtTrueR6R RRRR&R,R/RRR)(((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pyRs       tGenericFileCheckpointscBs2eZdZd„Zd„Zd„Zd„ZRS(sZ Local filesystem Checkpoints that works with any conforming ContentsManager. c Css|jdƒ}d}|j||ƒ}|jjd|ƒ|jƒ|j||d|ƒWdQX|j||ƒS(s7Create a checkpoint from the current content of a file.R'u checkpointscreating checkpoint for %sR4N(R(RRRRt _save_fileR(RtcontentR4RRtos_checkpoint_path((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pytcreate_file_checkpoint‘s cCsm|jdƒ}d}|j||ƒ}|jjd|ƒ|jƒ|j||ƒWdQX|j||ƒS(s;Create a checkpoint from the current content of a notebook.R'u checkpointscreating checkpoint for %sN(R(RRRRt_save_notebookR(RtnbRRRJ((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pytcreate_notebook_checkpointžs cCs}|jdƒ}|jjd||ƒ|j||ƒ}tjj|ƒs\|j||ƒnidd6|j|ddƒd6S(s Get a checkpoint for a notebook.R'srestoring %s from checkpoint %stnotebookttypet as_versioniRI( R(RRBRRRRR)t_read_notebook(RRRRJ((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pytget_notebook_checkpoint«scCs|jdƒ}|jjd||ƒ|j||ƒ}tjj|ƒs\|j||ƒn|j|ddƒ\}}idd6|d6|d6S(sGet a checkpoint for a file.R'srestoring %s from checkpoint %sR4tfileRPRIN( R(RRBRRRRR)t _read_filetNone(RRRRJRIR4((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pytget_file_checkpoint¼s(RCRDRERKRNRSRW(((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pyRGŒs  (RERR t tornado.webRt checkpointsRRtfileioRtjupyter_core.utilsRtipython_genutils.py3compatRt traitletsRRORR=RRG(((sIlib/python2.7/site-packages/notebook/services/contents/filecheckpoints.pyts  v