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Editing: drv_libxml2.cpython-39.opt-1.pyc
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a �^�; � @ s d Z dZdZddlZddlZejd dk rXe�e�d ZeefZ e� d�d Z dd � Z n eZ d d � Z dd l T dd lmZmZ dd lmZmZmZmZmZmZmZmZmZmZ z ddl Z W n& e y� e de� � d ��Y n0 G dd� dej �Z G dd� dej!�Z"dd� Z#dS )a� 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>z0.3� N� �utf8� c C s | d u r | S t | �d S d S )Nr )�_decoder��s� r �1/usr/lib64/python3.9/site-packages/drv_libxml2.py�_d1 s r c C s | S �Nr r r r r r 9 s )�*)� xmlreader�saxutils) �feature_namespaces�feature_namespace_prefixes�feature_string_interning�feature_validation�feature_external_ges�feature_external_pes�property_lexical_handler� property_declaration_handler�property_dom_node�property_xml_stringz+libxml2 not available: import error was: %sc @ s8 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd S ) �Locatorz4SAX Locator adapter for libxml2.xmlTextReaderLocatorc C s || _ d S r )�_Locator__locator)�self�locatorr r r �__init__S s zLocator.__init__c C s dS )z6Return the column number where the current event ends.���r �r r r r �getColumnNumberV s zLocator.getColumnNumberc C s | j �� S )z4Return the line number where the current event ends.)r Z LineNumberr r r r � getLineNumberZ s zLocator.getLineNumberc C s dS )z3Return the public identifier for the current event.Nr r r r r � getPublicId^ s zLocator.getPublicIdc C s | j �� S )z3Return the system identifier for the current event.)r ZBaseURIr r r r � getSystemIdb s zLocator.getSystemIdN) �__name__� __module__� __qualname__�__doc__r r r! r" r# r r r r r P s r c @ s\ e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dd� Z dd� Z dS )� LibXml2Readerc C s@ t j�| � d| _d| _d| _d| _d| _d | _d | _ d | _ d S )Nr r ) r � XMLReaderr �_LibXml2Reader__ns�_LibXml2Reader__nspfx�_LibXml2Reader__validate�_LibXml2Reader__extparams�_LibXml2Reader__parsing�_LibXml2Reader__lex_handler� _LibXml2Reader__decl_handler�_LibXml2Reader__errorsr r r r r h s zLibXml2Reader.__init__c C s0 | j d u rg | _ | j �|t|d t|��f� d S r )r1 �appendZSAXParseExceptionr )r �arg�msg�severityr r r r � _errorHandlerw s ��zLibXml2Reader._errorHandlerc C sh | j D ]V\}}|tjtjfv r,| j�|� q|rP|| j d d u rP| j�|� q| j�|� qd | _ d S )Nr r )r1 �libxml2Z PARSER_SEVERITY_VALIDITY_WARNINGZPARSER_SEVERITY_WARNING� _err_handlerZwarning� fatalError�error)r Zfatalr5 � exceptionr r r � _reportErrors~ s �zLibXml2Reader._reportErrorsc C s> d| _ �z(t|t�r t�|�}n&t�|�}t�|�� �}|� |� � �}|� | j d � | j r�|�tjd� |�tjd� |�tjd� |�tj| j� n|�tjd� | jr�t�i i �}n t�i �}g }| j�� |�� }|dkr�| jd ur�| � d� nR|dk�r | jd u�r | � d� �q n,| jd u�r4| � d� n| j � t d�� �q |� � }|dk�r | j�r�t!|�"� �t!|�#� �f} t!|�$� �} i |_%} i |_&} g } |�'� �r<t!|�$� �}t!|�(� �}|�)d��rt*|�dk�r�|dd � }nd }| �+|� | j�,||� | j-�s�q�t!|�"� �t!|�#� �f}|| |< || |< �q�|�.� | j�/| | |� |�0� �r�| j�1| | � | D ]}| j�2|� �qpn |�+| � nlt!|�$� �} i |_%} |�'� �r�t!|�$� �}t!|�(� �| |< �q�|�.� | j�3| |� |�0� �r | j�4| � q�|dk�rp| j�rZ| j�1t!|�"� �t!|�#� �ft!|�$� �� |�5� D ]}| j�2|� �qDn| j�4t!|�$� �� q�|dk�r�| j�6t!|�(� �� q�|d k�r�| j�7t!|�(� �� q�|d k�r�| j�6t!|�(� �� q�|d k�r | j8d u�r�| j8�9� | j�6t!|�(� �� | j8d u�r | j8�:� q�|dk�rN| j8d u�rD| �;t!|�$� �� |�<� q�|d k�rx| j8d u�r | �=t!|�$� �� q�|d k�r�| j�>t!|�$� �t!|�(� �� q�|dk�r�| j8d u�r | j8�?t!|�(� �� q�|dk�r�q�|dk�r�q�|dk�r�q�|dk�r�q�t d| ��q�|dk�r | j�@� |�A� W d| _ nd| _ 0 d S )Nr r z"Read failed (no details available)Zxmlns� � � r � � � � � � � � � zUnexpected node type %d)Br. � isinstance� StringTypesr7 ZnewTextReaderFilenamer Zprepare_input_sourceZ inputBufferZ getByteStreamZ newTextReaderr# ZSetErrorHandlerr6 r- Z SetParserPropZPARSER_LOADDTDZPARSER_DEFAULTATTRSZPARSER_SUBST_ENTITIESZPARSER_VALIDATEr, r* r ZAttributesNSImplZAttributesImplZ _cont_handlerZ startDocumentZReadr1 r< r8 r9 Z SAXExceptionZNodeTyper Z NamespaceUriZ LocalName�NameZ_attrsZ_qnamesZMoveToNextAttributeZValue� startswith�lenr2 ZstartPrefixMappingr+ Z MoveToElementZstartElementNSZIsEmptyElementZ endElementNSZendPrefixMappingZ startElementZ endElement�popZ charactersZignorableWhitespacer/ Z startCDATAZendCDATAZ startEntityZ ResolveEntityZ endEntityZprocessingInstructionZcommentZ endDocumentZClose)r �source�reader�inputZattributesNSImplZattributesImpl�prefixes�rZnodeTypeZeltNameZeltQName�attrsZqnamesZ newPrefixesZqname�valueZ newPrefixZattName�prefixr r r �parse� s � � � � � � � � zLibXml2Reader.parsec C s t d��d S )NzDTDHandler not supported��SAXNotSupportedException)r Zhandlerr r r � setDTDHandler8 s zLibXml2Reader.setDTDHandlerc C s t d��d S )Nz EntityResolver not supportedrX )r Zresolverr r r �setEntityResolver< s z LibXml2Reader.setEntityResolverc C sT |t kr| jS |tkr | jS |tkr*| jS |tkr6dS |tkrD| jS t d| ��d S )Nr �Feature '%s' not recognized) r r* r r+ r r, r r r- �SAXNotRecognizedException�r �namer r r � getFeature@ s �zLibXml2Reader.getFeaturec C s� | j rtd| ��|tkr"|| _nZ|tkr2|| _nJ|tkrB|| _n:|tkr`|dkr|td| ��n |t krp|| _ n t d| ��d S )Nz#Cannot set feature %s while parsingr zFeature '%s' not supportedr\ ) r. rY r r* r r+ r r, r r r- r] )r r_ �stater r r � setFeatureO s( ���zLibXml2Reader.setFeaturec C s, |t kr| jS |tkr | jS td| ��d S )N� Property '%s' not recognized)r r/ r r0 r] r^ r r r � getPropertyd s �zLibXml2Reader.getPropertyc C s< |t kr|| _n(|tkr,td| ��|| _n td| ��d S )NzProperty '%s' not supportedrc )r r/ r rY r0 r] )r r_ rU r r r � setPropertym s ��zLibXml2Reader.setPropertyN) r$ r% r& r r6 r< rW rZ r[ r` rb rd re r r r r r( f s , r( c C s t � S r )r( r r r r � create_parsery s rf )$r' � __author__� __version__�sys�codecs� version_info�unicode_escape_decode�strZunicoderJ �lookupr r Zxml.sax._exceptionsZxml.saxr r Zxml.sax.handlerr r r r r r r r r r r7 � ImportErrorZSAXReaderNotAvailable�exc_infor r) r( rf r r r r �<module> s2 # 0 �
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