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expatreader.cpython-36.pyc
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This uses a weak reference to the parser object to avoid creating a circular reference between the parser and the content handler. c C s t |�| _d S )N)r �_ref)�self�parserr r r �__init__9 s zExpatLocator.__init__c C s | j }|jd krd S |jjS )N)r �_parser�ErrorColumnNumber)r r r r r �getColumnNumber< s z ExpatLocator.getColumnNumberc C s | j }|jd krdS |jjS )N� )r r �ErrorLineNumber)r r r r r � getLineNumberB s zExpatLocator.getLineNumberc C s | j }|d krd S |jj� S )N)r �_source� getPublicId)r r r r r r& H s zExpatLocator.getPublicIdc C s | j }|d krd S |jj� S )N)r r% � getSystemId)r r r r r r' N s zExpatLocator.getSystemIdN) r r r �__doc__r r! r$ r& r' r r r r r 3 s r c @ s e Zd ZdZdGdd�Zdd � Zd d � Zd d � Zdd� Zdd� Z dd� Z dd� Z dHdd�Z dd� Z dd� Zd d � Zd d � Zd d!� Zd"d#� Zd$d%� Zd&d'� Zd(d)� Zd*d+� Zd,d-� Zd.d/� Zd0d1� Zd2d3� Zd4d5� Zd6d7� Z d8d9� Z d:d;� Z d<d=� Z d>d?� Z d@dA� Z!dBdC� Z"dDS )I� ExpatParserz$SAX driver for the pyexpat C module.r � � � c C sF t jj| |� t j� | _d | _|| _d | _d| _g | _ d| _ d | _ d S )Nr ) r �IncrementalParserr Z InputSourcer% r � _namespaces�_lex_handler_prop�_parsing� _entity_stack� _external_ges� _interning)r ZnamespaceHandling�bufsizer r r r Z s zExpatParser.__init__c C sV t j|�}|| _y*| j� | jjt| �� tjj | |� W n | j � � Y nX dS )z3Parse an XML document from a URL or an InputSource.N) r �prepare_input_sourcer% �reset� _cont_handlerZsetDocumentLocatorr r r- �parse� _close_source)r �sourcer r r r8 g s zExpatParser.parsec C s |j � d k r | jj|j � � d S )N)r' r ZSetBase)r r: r r r � prepareParserw s zExpatParser.prepareParserc C s t jj| |� | jr | j� d S )N)r r- �setContentHandlerr0 �_reset_cont_handler)r r r r r r< } s z ExpatParser.setContentHandlerc C sP |t kr| jS |tkr | jd k S |tttfkr2dS |tkr@| jS t d| ��d S )Nr zFeature '%s' not recognized) r r. r r3 r r r r r2 �SAXNotRecognizedException)r �namer r r � getFeature� s zExpatParser.getFeaturec C s� | j rtd��|tkr || _n�|tkr.|| _nt|tkrT|rL| jd krRi | _q�d | _nN|tkrj|r�td��n8|t kr�|r�td��n"|t kr�|r�td��n t d| ��d S )Nz!Cannot set features while parsingz!expat does not support validationz/expat does not read external parameter entitiesz(expat does not report namespace prefixeszFeature '%s' not recognized) r0 �SAXNotSupportedExceptionr r. r r2 r r3 r r r r> )r r? �stater r r � setFeature� s2 zExpatParser.setFeaturec C sd |t jkr| jS |tkr | jS |tkrT| jrLt| jd�rB| jj� S t d��nt d��t d| ��d S )N�GetInputContextz=This version of expat does not support getting the XML stringz.XML string cannot be returned when not parsingz Property '%s' not recognized) r �property_lexical_handlerr/ r r3 r r �hasattrrD r> rA )r r? r r r � getProperty� s zExpatParser.getPropertyc C sV |t jkr || _| jrR| j� n2|tkr0|| _n"|tkrFtd| ��n t d| ��d S )NzProperty '%s' cannot be setz Property '%s' not recognized) r rE r/ r0 �_reset_lex_handler_propr r3 r rA r> )r r? �valuer r r � setProperty� s zExpatParser.setPropertyc C sz | j s | j� d| _ | jj� y| jj||� W nD tjk rt } z&ttj |j �|| �}| j j |� W Y d d }~X nX d S )Nr" ) r0 r6 r7 Z startDocumentr ZParser �errorZSAXParseExceptionZ ErrorString�codeZ _err_handlerZ fatalError)r �data�isFinal�e�excr r r �feed� s zExpatParser.feedc C sB | j }z |j� }|d k r |j� W d |j� }|d k r<|j� X d S )N)r% ZgetCharacterStream�closeZ getByteStream)r r: �filer r r r9 � s zExpatParser._close_sourcec C s� | j s | jd ks t| jt�r d S z(| jddd� | jj� d| _d | _W d d| _| jd k rzt� }| jj|_| jj |_ || _| j � X d S )N� r" )rN r ) r1 r � isinstancer rQ r7 Z endDocumentr0 r r# r9 )r r r r r rR � s zExpatParser.closec C s | j j| j_| j j| j_d S )N)r7 �processingInstructionr Z ProcessingInstructionHandler� charactersZCharacterDataHandler)r r r r r= � s z ExpatParser._reset_cont_handlerc C s` | j }| j}|d kr4d |_d |_d |_d |_d |_n(|j|_|j|_|j |_| j |_|j |_d S )N) r/ r ZCommentHandlerZStartCdataSectionHandlerZEndCdataSectionHandlerZStartDoctypeDeclHandlerZEndDoctypeDeclHandlerZcommentZ startCDATAZendCDATA�start_doctype_declZendDTD)r Zlexr r r r rH s z#ExpatParser._reset_lex_handler_propc C s� | j r>tj| jj� d| jd�| _d| j_| j| j_ | j | j_ n,tj| jj� | jd�| _| j | j_ | j | j_ | j� | j| j_| j| j_| j| j_| j| j_d | _| jr�| j� | j| j_y| j | j_ W n t k r� Y nX | jj tj � d| _!g | _"d S )N� )�internr" r )#r. r r r% Z getEncodingr3 r Znamespace_prefixes�start_element_nsZStartElementHandler�end_element_nsZEndElementHandler� start_element� end_elementr= �unparsed_entity_declZUnparsedEntityDeclHandler� notation_declZNotationDeclHandler�start_namespace_declZStartNamespaceDeclHandler�end_namespace_declZEndNamespaceDeclHandlerZ_decl_handler_propr/ rH �external_entity_refZExternalEntityRefHandler�skipped_entity_handlerZSkippedEntityHandler�AttributeErrorZSetParamEntityParsingZ*XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONEr0 r1 )r r r r r6 s6 zExpatParser.resetc C s | j d krd S | j jS )N)r r )r r r r r! ; s zExpatParser.getColumnNumberc C s | j d krdS | j jS )Nr" )r r# )r r r r r$ @ s zExpatParser.getLineNumberc C s | j j� S )N)r% r& )r r r r r& E s zExpatParser.getPublicIdc C s | j j� S )N)r% r' )r r r r r' H s zExpatParser.getSystemIdc C s | j j|t|�� d S )N)r7 Z startElement�AttributesImpl)r r? �attrsr r r r] L s zExpatParser.start_elementc C s | j j|� d S )N)r7 Z endElement)r r? r r r r^ O s zExpatParser.end_elementc C s� |j � }t|�dkr d |f}n&t|�dkr<|d |d f}nt|�}i }i }x�|j� D ]|\}}|j � }t|�} | dkr�|} d |f} n>| dkr�d|d |d f } |d |d f} n|d } t|�} ||| < | || < qVW | jj|d t||�� d S )Nr" � r z%s:%sr* )�split�len�tuple�itemsr7 ZstartElementNS�AttributesNSImpl) r r? rg �pairZnewattrsZqnamesZanamerI �partsZlengthZqnameZapairr r r r[ R s. z ExpatParser.start_element_nsc C sV |j � }t|�dkr d |f}n&t|�dkr<|d |d f}nt|�}| jj|d � d S )Nr" rh r )ri rj rk r7 Z endElementNS)r r? rn r r r r\ t s zExpatParser.end_element_nsc C s | j j||� d S )N)r7 rV )r �targetrM r r r �processing_instruction� s z"ExpatParser.processing_instructionc C s | j j|� d S )N)r7 rW )r rM r r r �character_data� s zExpatParser.character_datac C s | j j||� d S )N)r7 ZstartPrefixMapping)r �prefixZurir r r ra � s z ExpatParser.start_namespace_declc C s | j j|� d S )N)r7 ZendPrefixMapping)r rs r r r rb � s z ExpatParser.end_namespace_declc C s | j j|||� d S )N)r/ ZstartDTD)r r? �sysid�pubidZhas_internal_subsetr r r rX � s z ExpatParser.start_doctype_declc C s | j j||||� d S )N)� _dtd_handlerZunparsedEntityDecl)r r? �basert ru Z notation_namer r r r_ � s z ExpatParser.unparsed_entity_declc C s | j j|||� d S )N)rv Z notationDecl)r r? rw rt ru r r r r` � s zExpatParser.notation_declc C s� | j s dS | jj||�}tj|| jj� p*d�}| jj| j | jf� | j j |�| _ || _yt j j | |� W n dS | jd \| _ | _| jd= dS )Nr" rT r ���rx )r2 Z _ent_handlerZ resolveEntityr r5 r% r' r1 �appendr ZExternalEntityParserCreater r- r8 )r �contextrw rt ru r: r r r rc � s z ExpatParser.external_entity_refc C s |r d| }| j j|� d S )N�%)r7 Z skippedEntity)r r? Zis_per r r rd � s z"ExpatParser.skipped_entity_handlerNi �� )r r| )r )#r r r r( r r8 r; r< r@ rC rG rJ rQ r9 rR r= rH r6 r! r$ r& r' r] r^ r[ r\ rq rr ra rb rX r_ r` rc rd r r r r r) W s@ '" r) c O s t | |�S )N)r) )�args�kwargsr r r � create_parser� s r �__main__z:http://www.ibiblio.org/xml/examples/shakespeare/hamlet.xml)-r( �versionZxml.sax._exceptionsZxml.sax.handlerr r r r r r r r �sys�platformZSAXReaderNotAvailableZ xml.parsersr � ImportErrorrF Zxml.saxr r r rf rm �_weakrefr �weakref�proxyr ZLocatorr r- r) r r Zxml.sax.saxutilsZxml�pr< ZsaxZ XMLGeneratorZsetErrorHandlerZ ErrorHandlerr8 r r r r �<module> sN $ _
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