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� �m�ec @ s7 d Z d Z d Z d d l Z d d l m Z m Z e e f Z d d l Td d l m Z m Z d d l m Z m Z m Z m Z m Z m Z m Z m Z m Z m Z e j d � d Z d � Z y d d l Z Wn# e k r� Z e d e � � n Xd e j f d � � YZ d e j f d � � YZ d � Z! d S( s� 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 <sbi@skynet.be>s 0.3i����N( t StringTypet UnicodeType( t *( t xmlreadert saxutils( t feature_namespacest feature_namespace_prefixest feature_string_interningt feature_validationt feature_external_gest feature_external_pest property_lexical_handlert property_declaration_handlert property_dom_nodet property_xml_stringt utf8i c C s" | d k r | St | � d Sd S( Ni ( t Nonet _decoder( t s( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt _d< s s+ libxml2 not available: import error was: %st Locatorc B s; e Z d Z d � Z d � Z d � Z d � Z d � Z RS( s4 SAX Locator adapter for libxml2.xmlTextReaderLocatorc C s | | _ d S( N( t _Locator__locator( t selft locator( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt __init__K s c C s d S( s6 Return the column number where the current event ends.i����( ( R ( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt getColumnNumberN s c C s | j j � S( s4 Return the line number where the current event ends.( R t LineNumber( R ( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt getLineNumberR s c C s d S( s3 Return the public identifier for the current event.N( R ( R ( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt getPublicIdV s c C s | j j � S( s3 Return the system identifier for the current event.( R t BaseURI( R ( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt getSystemIdZ s ( t __name__t __module__t __doc__R R R R R ( ( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyR H s t LibXml2Readerc B sb e Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( c C s\ t j j | � d | _ d | _ d | _ d | _ d | _ d | _ d | _ d | _ d S( Ni i ( R t XMLReaderR t _LibXml2Reader__nst _LibXml2Reader__nspfxt _LibXml2Reader__validatet _LibXml2Reader__extparamst _LibXml2Reader__parsingR t _LibXml2Reader__lex_handlert _LibXml2Reader__decl_handlert _LibXml2Reader__errors( R ( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyR ` s c C sG | j d k r g | _ n | j j | t | d t | � � f � d S( N( R+ R t appendt SAXParseExceptionR ( R t argt msgt severityR ( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt _errorHandlero s c C s� x� | j D]w \ } } | t j t j f k rA | j j | � q | rq | | j d d k rq | j j | � q | j j | � q Wd | _ d S( Ni����i ( R+ t libxml2t PARSER_SEVERITY_VALIDITY_WARNINGt PARSER_SEVERITY_WARNINGt _err_handlert warningt fatalErrort errorR ( R t fatalR0 t exception( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt _reportErrorsv s c C s% d | _ z t | � t k r0 t j | � } n9 t j | � } t j | j � � } | j | j � � } | j | j d � | j r� | j t j d � | j t j d � | j t j d � | j t j | j � n | j t j d � | j rt j i i � } n t j i � } g } | j j � x�| j � } | d k rg| j d k r�| j d � q�ne | d k r�| j d k r�| j d � n Pn6 | j d k r�| j d � n | j j t d � � P| j! � } | d k r$| j r�t" | j# � � t" | j$ � � f } t" | j% � � } i | _& } i | _' } g } x� | j( � rt" | j% � � } t" | j) � � } | j* d � r�t+ | � d k r�| d } n d } | j, | � | j j- | | � | j. s�qFq�n t" | j# � � t" | j$ � � f } | | | <| | | <qFW| j/ � | j j0 | | | � | j1 � r{| j j2 | | � x. | D] } | j j3 | � q^Wq!| j, | � q�t" | j% � � } i | _& } x8 | j( � r�t" | j% � � } t" | j) � � | | <q�W| j/ � | j j4 | | � | j1 � r�| j j5 | � q�q-| d k r�| j r�| j j2 t" | j# � � t" | j$ � � f t" | j% � � � xC | j6 � D] } | j j3 | � q�Wq�| j j5 t" | j% � � � q-| d k r�| j j7 t" | j) � � � q-| d k r| j j8 t" | j) � � � q-| d k r@| j j7 t" | j) � � � q-| d k r�| j9 d k rk| j9 j: � n | j j7 t" | j) � � � | j9 d k r�| j9 j; � q�q-| d k r�| j9 d k r�| j< t" | j% � � � n | j= � q-| d k r'| j9 d k r�| j> t" | j% � � � q�q-| d k ra| j j? t" | j% � � t" | j) � � � q-| d k r�| j9 d k r�| j9 j@ t" | j) � � � q�q-| d k r�q-| d k r�q-| d k r�q-| d k r�q-t d | � � q-| d k r | j jA � n | jB � Wd d | _ Xd S( Ni i s" Read failed (no details available)t xmlnsi i i i i i i i i i i i i s Unexpected node type %d(C R( t typet StringTypesR2 t newTextReaderFilenameR t prepare_input_sourcet inputBuffert getByteStreamt newTextReaderR t SetErrorHandlerR1 R R' t SetParserPropt PARSER_LOADDTDt PARSER_DEFAULTATTRSt PARSER_SUBST_ENTITIESt PARSER_VALIDATER& R$ R t AttributesNSImplt AttributesImplt _cont_handlert startDocumentt ReadR+ R; R5 R7 t SAXExceptiont NodeTypeR t NamespaceUrit LocalNamet Namet _attrst _qnamest MoveToNextAttributet Valuet startswitht lenR, t startPrefixMappingR% t MoveToElementt startElementNSt IsEmptyElementt endElementNSt endPrefixMappingt startElementt endElementt popt characterst ignorableWhitespaceR) t startCDATAt endCDATAt startEntityt ResolveEntityt endEntityt processingInstructiont commentt endDocumentt Close( R t sourcet readert inputt attributesNSImplt attributesImplt prefixest rt nodeTypet eltNamet eltQNamet attrst qnamest newPrefixest qnamet valuet newPrefixt attNamet prefix( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt parse� s� ! % " c C s t d � � d S( Ns DTDHandler not supported( t SAXNotSupportedException( R t handler( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt setDTDHandler0 s c C s t d � � d S( Ns EntityResolver not supported( R� ( R t resolver( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt setEntityResolver4 s c C sp | t k r | j S| t k r& | j S| t k r9 | j S| t k rI d S| t k r\ | j St d | � � d S( Ni s Feature '%s' not recognized( R R$ R R% R R& R R R' t SAXNotRecognizedException( R t name( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt getFeature8 s c C s� | j r t d | � � n | t k r4 | | _ n� | t k rL | | _ nn | t k rd | | _ nV | t k r� | d k r� t d | � � q� n( | t k r� | | _ n t d | � � d S( Ns# Cannot set feature %s while parsingi s Feature '%s' not supporteds Feature '%s' not recognized( R( R� R R$ R R% R R& R R R' R� ( R R� t state( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt setFeatureG s" c C s: | t k r | j S| t k r& | j St d | � � d S( Ns Property '%s' not recognized( R R) R R* R� ( R R� ( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt getProperty\ s c C sT | t k r | | _ n8 | t k r@ t d | � � | | _ n t d | � � d S( Ns Property '%s' not supporteds Property '%s' not recognized( R R) R R� R* R� ( R R� R| ( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt setPropertye s ( R R R R1 R; R� R� R� R� R� R� R� ( ( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyR" ^ s � c C s t � S( N( R" ( ( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt create_parserq s (" R! t __author__t __version__t codecst typesR R R> t xml.sax._exceptionst xml.saxR R t xml.sax.handlerR R R R R R R R R R t lookupR R R2 t ImportErrort et SAXReaderNotAvailableR R# R" R� ( ( ( s1 /usr/lib64/python2.7/site-packages/drv_libxml2.pyt <module># s& F �