σ §‰]c@@sλdZddlmZmZddlZddlZddlZddlmZm Z ddl m Z ddl m Z mZddlmZd Zd Zdd d „Zd „Zd„Zde_defd„ƒYZd„ZdadS(sUtility for calling pandoci(tprint_functiontabsolute_importN(t TextIOWrappertBytesIO(t check_version(t cast_bytestwhichi(tConversionExceptions1.12.1s3.0.0sutf-8c C@sœdd|d|g}|r+|j|ƒntƒtj|dtjdtjƒ}|jt||ƒƒ\}}tt|ƒ|dƒj ƒ}|j dƒS(sGConvert an input string using pandoc. Pandoc converts an input string `from` a format `to` a target format. Parameters ---------- source : string Input string, assumed to be valid format `from`. fmt : string The name of the input format (markdown, etc.) to : string The name of the output format (html, etc.) Returns ------- out : unicode Output as returned by pandoc. Raises ------ PandocMissing If pandoc is not installed. Any error messages generated by pandoc are printed to stderr. tpandocs-fs-ttstdintstdouttreplaces ( textendtcheck_pandoc_versiont subprocesstPopentPIPEt communicateRRRtreadtrstrip( tsourcetfmtttot extra_argstencodingtcmdtptoutt_((s5lib/python2.7/site-packages/nbconvert/utils/pandoc.pyRs!cC@s›tdkr—tdƒs$tƒ‚ntjddgƒ}|jƒ}tjdƒ}x@|dj ddƒj ƒD]}|j |ƒrq|aPqqqqWntS(s{Gets the Pandoc version if Pandoc is installed. If the minimal version is not met, it will probe Pandoc for its version, cache it and return that value. If the minimal version is met, it will return the cached version and stop probing Pandoc (unless :func:`clean_cache()` is called). Raises ------ PandocMissing If pandoc is unavailable. Rs-vs^\d+(\.\d+){1,}$itasciiR N( t __versiontNoneRt PandocMissingRt check_outputt splitlinestretcompiletdecodetsplittmatch(Rt out_linestversion_patternttok((s5lib/python2.7/site-packages/nbconvert/utils/pandoc.pytget_pandoc_version>s    # cC@sžtjd k rtjStƒ}|d krEtjdtddƒtSt|t dt ƒ}|t_|sštjd|dt dt dtddƒn|S( sŽReturns True if pandoc's version meets at least minimal version. Raises ------ PandocMissing If pandoc is unavailable. sSorry, we cannot determine the version of pandoc. Please consider reporting this issue and include theoutput of pandoc --version. Continuing...t stacklevelitmax_vs5You are using an unsupported version of pandoc (%s). s#Your version must be at least (%s) sbut less than (%s). sERefer to http://pandoc.org/installing.html. Continuing with doubts...N( R t_cachedRR+twarningstwarntRuntimeWarningtFalseRt_minimal_versiont_maximal_version(tvtok((s5lib/python2.7/site-packages/nbconvert/utils/pandoc.pyR Zs     R cB@seZdZd„ZRS(s(Exception raised when Pandoc is missing.cO@s"tt|ƒjdddƒdS(NsPandoc wasn't found. s'Please check that pandoc is installed: s!http://pandoc.org/installing.html(tsuperR t__init__(tselftargstkwargs((s5lib/python2.7/site-packages/nbconvert/utils/pandoc.pyR8~s(t__name__t __module__t__doc__R8(((s5lib/python2.7/site-packages/nbconvert/utils/pandoc.pyR |scC@s dadS(N(RR(((s5lib/python2.7/site-packages/nbconvert/utils/pandoc.pyt clean_cache†s(R>t __future__RRRR/R#tioRRtnbconvert.utils.versionRtipython_genutils.py3compatRRt exceptionsRR3R4RRR+R R.R R?R(((s5lib/python2.7/site-packages/nbconvert/utils/pandoc.pyts"   )