σ (TQc@@sdZddlmZmZddlZddlmZddlm Z m Z m Z ej ddkZ dZejZd ejfd „ƒYZd ejfd „ƒYZeƒZejZeed „Zddeed„Zddeed„ZeZd„ZdS(s`Example code for lxml.etree protection The code has NO protection against decompression bombs. i(tprint_functiontabsolute_importN(tetreei(t DTDForbiddentEntitiesForbiddentNotSupportedErroris lxml.etreetRestrictedElementcB@szeZdZd ZejZd„Zd„Zd e d„Z d d„Z d d„Z d e d„Zd„Zd d„ZRS( sJA restricted Element class that filters out instances of some classes cc@s8|j}x(|D] }t||ƒr+qn|VqWdS(N(t blacklistt isinstance(tselftiteratorRtchild((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyt_filters   cC@s"tt|ƒjƒ}|j|ƒS(N(tsuperRt__iter__R (R R ((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyR&scC@s.tt|ƒjd|d|ƒ}|j|ƒS(Nttagtreversed(R Rt iterchildrenR (R RRR ((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyR*s!cG@s+tt|ƒjd||Œ}|j|ƒS(NR(R RtiterR (R RttagsR ((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyR.scG@s+tt|ƒjd||Œ}|j|ƒS(NR(R RtiterdescendantsR (R RRR ((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyR2scC@s.tt|ƒjd|d|ƒ}|j|ƒS(NRt preceding(R Rt itersiblingsR (R RRR ((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyR6s!cC@s(tt|ƒjƒ}t|j|ƒƒS(N(R RRtlistR (R R ((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyt getchildren:scC@s%tt|ƒj|ƒ}|j|ƒS(N(R Rt getiteratorR (R RR ((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyR>s(N(t__name__t __module__t__doc__t __slots__t_etreet_EntityRR RtNonetFalseRRRRRR(((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyRs      tGlobalParserTLScB@s<eZdZied6ZeZd„Zd„Zd„Z RS(s5Thread local context for custom parser instances tresolve_entitiescC@sPtj|j}|j}|jdk rLtjd|ƒ}|j|ƒn|S(Ntelement(Rt XMLParsert parser_configt element_classR tElementDefaultClassLookuptset_element_class_lookup(R tparserR'tlookup((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pytcreateDefaultParserNs  cC@s ||_dS(N(t_default_parser(R R*((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pytsetDefaultParserVscC@s>t|ddƒ}|dkr:|jƒ}|j|ƒn|S(NR-(tgetattrR R,R.(R R*((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pytgetDefaultParserYs   ( RRRR!R&RR'R,R.R0(((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyR"Cs   c C@sΙ|j}|jrU|r6t|j|j|jƒ‚n|rUt rUtdƒ‚qUn|rΕxg|j|jfD]P}|dkr†qnnx5|j ƒD]'}t |j |j ddddƒ‚q“WqnWndS(s΅Check docinfo of an element tree for DTD and entity declarations The check for entity declarations needs lxml 3 or newer. lxml 2.x does not support dtd.iterentities(). s3Unable to check for entity declarations in lxml 2.xN(tdocinfotdoctypeRt system_urlt public_idtLXML3Rt internalDTDt externalDTDR t iterentitiesRtnametcontent(t elementtreet forbid_dtdtforbid_entitiesR1tdtdtentity((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyt check_docinfoes     cC@sD|dkrtƒ}ntj||d|ƒ}t|||ƒ|S(Ntbase_url(R R0RtparseR@(tsourceR*RAR<R=R;((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyRBs   cC@sP|dkrtƒ}ntj||d|ƒ}|jƒ}t|||ƒ|S(NRA(R R0Rt fromstringt getroottreeR@(ttextR*RAR<R=t rootelementR;((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyRDˆs    cO@stdƒ‚dS(Ns*defused lxml.etree.iterparse not available(R(targstkwargs((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyt iterparse”s(Rt __future__RRt threadingtlxmlRRtcommonRRRt LXML_VERSIONR5t __origin__ttostringt ElementBaseRtlocalR"t _parser_tlsR0R!tTrueR@R RBRDtXMLRJ(((s3/usr/lib/python2.7/dist-packages/defusedxml/lxml.pyt s$  +