B Z[E @s0dZddlmZddlmZGdddeZdS)zBase class for preprocessors) NbConvertBase)BoolcsHeZdZdZedjddZfddZddZd d Z d d Z Z S) Preprocessora7 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' FT)Zconfigc stt|jf|dS)z Public constructor Parameters ---------- config : Config Configuration file structure `**kw` Additional keyword arguments passed to parent N)superr__init__)selfkw) __class__;lib/python3.7/site-packages/nbconvert/preprocessors/base.pyrs zPreprocessor.__init__cCs0|jr$|jd|jj|||S||fSdS)NzApplying preprocessor: %s)enabledlogdebugr __name__ preprocess)rnb resourcesr r r __call__+s   zPreprocessor.__call__cCs8x.t|jD] \}}||||\|j|<}q W||fS)a 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. ) enumerateZcellspreprocess_cell)rrrindexcellr r r r3szPreprocessor.preprocesscCstd||fS)a 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 z!should be implemented by subclass)NotImplementedError)rrrrr r r rHszPreprocessor.preprocess_cell) r __module__ __qualname____doc__rtagr rrrr __classcell__r r )r r r s  rN)rZ utils.baserZ traitletsrrr r r r s