U nu f~ @s8dZddlZddlmZddlmZGdddeZdS)zThis preprocessor detect cells using a different language through magic extensions such as `%%R` or `%%octave`. Cell's metadata is marked so that the appropriate highlighter can be used in the `highlight` filter. N)Dict) Preprocessorc sdeZdZdZedddddddd d d d d ZeddjddZdfdd ZddZ ddZ Z S)HighlightMagicsPreprocessorzQ Detects and tags code cells that use a different languages than Python. rZbashZcythonZ javascriptZjuliaZlatexZoctaveZperlrubyshZsql) z%%Rz%%bashz%%cythonz %%javascriptz%%juliaz%%latexz%%octavez%%perlz%%rubyz%%shz%%sqlzSyntax highlighting for magic's extension languages. Each item associates a language magic extension such as %%R, with a pygments lexer such as r.)helpT)configNc sLtjfd|i||j|jd|j}td|d|_ dS)zPublic constructorr |z^\s*(z)\s+N) super__init__default_languagesupdate languagesjoinkeysrecompilere_magic_language)selfr kwZ any_language __class__K/tmp/pip-unpacked-wheel-nxpdnluh/nbconvert/preprocessors/highlightmagics.pyr 1sz$HighlightMagicsPreprocessor.__init__cCs$|j|}|r |j|dSdS)a( When a cell uses another language through a magic extension, the other language is returned. If no language magic is detected, this function returns None. Parameters ---------- source: str Source code of the cell to highlight rN)rmatchrgroup)rsourcemrrrwhich_magic_language>s z0HighlightMagicsPreprocessor.which_magic_languagecCs.|jdkr&||j}|r&||dd<||fS)a Tags cells using a magic extension language 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. cell_index : int Index of the cell being processed (see base.py) codemetadataZmagics_language)Z cell_typer r)rcell resourcesZ cell_indexZmagic_languagerrrpreprocess_cellRs    z+HighlightMagicsPreprocessor.preprocess_cell)N) __name__ __module__ __qualname____doc__rrtagrr r r% __classcell__rrrrrs. r)r)rZ traitletsrbaserrrrrrs