]c@s@dZddlmZddlmZdefdYZdS(sBase class for preprocessorsi(t NbConvertBasei(tBoolt PreprocessorcBsJeZdZeejdeZdZdZ dZ dZ RS(s7 A configurable preprocessor Inherit from this class if you wish to have configurability for your preprocessor. Any configurable traitlets this class exposed will be configurable in profiles using c.SubClassName.attribute = value you can overwrite :meth:`preprocess_cell` to apply a transformation independently on each cell or :meth:`preprocess` if you prefer your own logic. See corresponding docstring for information. Disabled by default and can be enabled via the config by 'c.YourPreprocessorName.enabled = True' tconfigcKstt|j|dS(s Public constructor Parameters ---------- config : Config Configuration file structure `**kw` Additional keyword arguments passed to parent N(tsuperRt__init__(tselftkw((s;lib/python2.7/site-packages/nbconvert/preprocessors/base.pyRs cCs@|jr2|jjd|jj|j||S||fSdS(NsApplying preprocessor: %s(tenabledtlogtdebugt __class__t__name__t preprocess(Rtnbt resources((s;lib/python2.7/site-packages/nbconvert/preprocessors/base.pyt__call__+s    cCsLx?t|jD].\}}|j|||\|j|<}qW||fS(s Preprocessing to apply on each notebook. Must return modified nb, resources. If you wish to apply your preprocessing to each cell, you might want to override preprocess_cell method instead. Parameters ---------- nb : NotebookNode Notebook being converted resources : dictionary Additional resources used in the conversion process. Allows preprocessors to pass variables into the Jinja engine. (t enumeratetcellstpreprocess_cell(RRRtindextcell((s;lib/python2.7/site-packages/nbconvert/preprocessors/base.pyR 3s&cCstd||fS(s Override if you want to apply some preprocessing to each cell. Must return modified cell and resource dictionary. Parameters ---------- cell : NotebookNode cell Notebook cell being processed resources : dictionary Additional resources used in the conversion process. Allows preprocessors to pass variables into the Jinja engine. index : int Index of the cell being processed s!should be implemented by subclass(tNotImplementedError(RRRR((s;lib/python2.7/site-packages/nbconvert/preprocessors/base.pyRHs ( R t __module__t__doc__RtFalsettagtTrueRRRR R(((s;lib/python2.7/site-packages/nbconvert/preprocessors/base.pyR s    N(Rt utils.baseRt traitletsRR(((s;lib/python2.7/site-packages/nbconvert/preprocessors/base.pyts