ó ÙmÓec@s7dZdZdZddlZddlmZmZeefZddlTddl m Z m Z ddl m Z mZmZmZmZmZmZmZmZmZejd ƒd Zd „ZyddlZWn#ek r÷Zed eƒ‚nXd e jfd„ƒYZde jfd„ƒYZ d„Z!dS(sí A SAX2 driver for libxml2, on top of it's XmlReader API USAGE # put this file (drv_libxml2.py) in PYTHONPATH import xml.sax reader = xml.sax.make_parser(["drv_libxml2"]) # ...and the rest is standard python sax. CAVEATS - Lexical handlers are supported, except for start/endEntity (waiting for XmlReader.ResolveEntity) and start/endDTD - Error callbacks are not exactly synchronous, they tend to be invoked before the corresponding content callback, because the underlying reader interface parses data by chunks of 512 bytes TODO - search for TODO - some ErrorHandler events (warning) - some ContentHandler events (setDocumentLocator, skippedEntity) - EntityResolver (using libxml2.?) - DTDHandler (if/when libxml2 exposes such node types) - DeclHandler (if/when libxml2 exposes such node types) - property_xml_string? - feature_string_interning? - Incremental parser - additional performance tuning: - one might cache callbacks to avoid some name lookups - one might implement a smarter way to pass attributes to startElement (some kind of lazy evaluation?) - there might be room for improvement in start/endPrefixMapping - other? u Stéphane Bidoul s0.3iÿÿÿÿN(t StringTypet UnicodeType(t*(t xmlreadertsaxutils( tfeature_namespacestfeature_namespace_prefixestfeature_string_interningtfeature_validationtfeature_external_gestfeature_external_pestproperty_lexical_handlertproperty_declaration_handlertproperty_dom_nodetproperty_xml_stringtutf8icCs"|dkr|St|ƒdSdS(Ni(tNonet_decoder(ts((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyt_d<s s+libxml2 not available: import error was: %stLocatorcBs;eZdZd„Zd„Zd„Zd„Zd„ZRS(s4SAX Locator adapter for libxml2.xmlTextReaderLocatorcCs ||_dS(N(t_Locator__locator(tselftlocator((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyt__init__KscCsdS(s6Return the column number where the current event ends.iÿÿÿÿ((R((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pytgetColumnNumberNscCs |jjƒS(s4Return the line number where the current event ends.(Rt LineNumber(R((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyt getLineNumberRscCsdS(s3Return the public identifier for the current event.N(R(R((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyt getPublicIdVscCs |jjƒS(s3Return the system identifier for the current event.(RtBaseURI(R((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyt getSystemIdZs(t__name__t __module__t__doc__RRRRR(((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyRHs     t LibXml2ReadercBsbeZd„Zd„Zd„Zd„Zd„Zd„Zd„Zd„Z d„Z d „Z RS( cCs\tjj|ƒd|_d|_d|_d|_d|_d|_ d|_ d|_ dS(Nii( Rt XMLReaderRt_LibXml2Reader__nst_LibXml2Reader__nspfxt_LibXml2Reader__validatet_LibXml2Reader__extparamst_LibXml2Reader__parsingRt_LibXml2Reader__lex_handlert_LibXml2Reader__decl_handlert_LibXml2Reader__errors(R((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyR`s       cCsG|jdkrg|_n|jj|t|dt|ƒƒfƒdS(N(R+RtappendtSAXParseExceptionR(RtargtmsgtseverityR((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyt _errorHandleros    cCs’x‚|jD]w\}}|tjtjfkrA|jj|ƒq |rq||jddkrq|jj|ƒq |jj|ƒq Wd|_dS(Niÿÿÿÿi( R+tlibxml2t PARSER_SEVERITY_VALIDITY_WARNINGtPARSER_SEVERITY_WARNINGt _err_handlertwarningt fatalErrorterrorR(RtfatalR0t exception((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyt _reportErrorsvs cCs%d|_z t|ƒtkr0tj|ƒ}n9tj|ƒ}tj|jƒƒ}|j |j ƒƒ}|j |j dƒ|jr×|jtjdƒ|jtjdƒ|jtjdƒ|jtj|jƒn|jtjdƒ|jrtjiiƒ}ntjiƒ}g}|jjƒxÀ|jƒ}|dkrg|jdk rÌ|jdƒqÌne|dkr–|jdk r’|jdƒnPn6|jdk rµ|jdƒn|jjt dƒƒP|j!ƒ}|dkr$|jr‹t"|j#ƒƒt"|j$ƒƒf} t"|j%ƒƒ} i|_&} i|_'} g} xÒ|j(ƒrt"|j%ƒƒ}t"|j)ƒƒ}|j*dƒrÜt+|ƒdkr¤|d}nd}| j,|ƒ|jj-||ƒ|j.sÜqFqÜnt"|j#ƒƒt"|j$ƒƒf}|| |<|| |t"|j%ƒƒƒqêq-|d kra|jj?t"|j%ƒƒt"|j)ƒƒƒq-|dkrž|j9dk rê|j9j@t"|j)ƒƒƒqêq-|dkr­q-|dkr¼q-|dkrËq-|dkrÚq-t d|ƒ‚q-|dkr |jjAƒn|jBƒWdd|_XdS(Niis"Read failed (no details available)txmlnsiiiii iiiiii ii sUnexpected node type %d(CR(ttypet StringTypesR2tnewTextReaderFilenameRtprepare_input_sourcet inputBuffert getByteStreamt newTextReaderRtSetErrorHandlerR1RR't SetParserProptPARSER_LOADDTDtPARSER_DEFAULTATTRStPARSER_SUBST_ENTITIEStPARSER_VALIDATER&R$RtAttributesNSImpltAttributesImplt _cont_handlert startDocumenttReadR+R;R5R7t SAXExceptiontNodeTypeRt NamespaceUrit LocalNametNamet_attrst_qnamestMoveToNextAttributetValuet startswithtlenR,tstartPrefixMappingR%t MoveToElementtstartElementNStIsEmptyElementt endElementNStendPrefixMappingt startElementt endElementtpopt characterstignorableWhitespaceR)t startCDATAtendCDATAt startEntityt ResolveEntityt endEntitytprocessingInstructiontcommentt endDocumenttClose(RtsourcetreadertinputtattributesNSImpltattributesImpltprefixestrtnodeTypeteltNameteltQNametattrstqnamest newPrefixestqnametvaluet newPrefixtattNametprefix((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pytparse…sô                                  !         % "     cCstdƒ‚dS(NsDTDHandler not supported(tSAXNotSupportedException(Rthandler((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyt setDTDHandler0scCstdƒ‚dS(NsEntityResolver not supported(R(Rtresolver((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pytsetEntityResolver4scCsp|tkr|jS|tkr&|jS|tkr9|jS|tkrIdS|tkr\|jSt d|ƒ‚dS(NisFeature '%s' not recognized( RR$RR%RR&R R R'tSAXNotRecognizedException(Rtname((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyt getFeature8s     cCs¾|jrtd|ƒ‚n|tkr4||_n†|tkrL||_nn|tkrd||_nV|tkr’|dkrºtd|ƒ‚qºn(|t krª||_ nt d|ƒ‚dS(Ns#Cannot set feature %s while parsingisFeature '%s' not supportedsFeature '%s' not recognized( R(RRR$RR%RR&R R R'R†(RR‡tstate((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyt setFeatureGs"            cCs:|tkr|jS|tkr&|jStd|ƒ‚dS(NsProperty '%s' not recognized(R R)R R*R†(RR‡((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyt getProperty\s   cCsT|tkr||_n8|tkr@td|ƒ‚||_ntd|ƒ‚dS(NsProperty '%s' not supportedsProperty '%s' not recognized(R R)R RR*R†(RR‡R|((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyt setPropertyes     ( RR RR1R;R€RƒR…RˆRŠR‹RŒ(((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyR"^s    «     cCstƒS(N(R"(((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyt create_parserqs("R!t __author__t __version__tcodecsttypesRRR>txml.sax._exceptionstxml.saxRRtxml.sax.handlerRRRRR R R R R RtlookupRRR2t ImportErrortetSAXReaderNotAvailableRR#R"R(((s1/usr/lib64/python2.7/site-packages/drv_libxml2.pyt#s&   F  ÿ