B
    18\X=                 @   s  d Z dZddlT ddlmZmZ ddlmZ ddlmZmZ ddlm	Z	 ddlm
Z
mZ dd	lZejd	d
 dkr|edd	[yddlmZ W n ek
r   edd	Y nX eedsedd	ddlmZmZmZ ejZejZydd	lZW n ek
r   dd ZY nX dd	lZejZ[[G dd dZG dd dejZG dd dej ejZ!dd Z"e#dkrdd	l$Z%e" Z&e&'e%j(j)  e&*e%j(+  e&,d d	S )z]
SAX driver for the pyexpat C module.  This driver works with
pyexpat.__version__ == '2.22'.
z0.20    )*)feature_validationfeature_namespaces)feature_namespace_prefixes)feature_external_gesfeature_external_pes)feature_string_interning)property_xml_stringproperty_interning_dictN   javazexpat not available in Java)expatzexpat not supportedParserCreate)	xmlreadersaxutilshandlerc             C   s   | S )N )or   r   W/oak/stanford/groups/akundaje/marinovg/programs/Python-3.7.3/Lib/xml/sax/expatreader.py_mkproxy'   s    r   c               @   s   e Zd ZdS )_ClosedParserN)__name__
__module____qualname__r   r   r   r   r   .   s   r   c               @   s8   e Zd ZdZdd Zdd Zdd Zdd	 Zd
d ZdS )ExpatLocatorzLocator for use with the ExpatParser class.

    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    zExpatLocator.__init__c             C   s   | j }|jd krd S |jjS )N)r   _parserErrorColumnNumber)r   r   r   r   r   getColumnNumber<   s    
zExpatLocator.getColumnNumberc             C   s   | j }|jd krdS |jjS )N   )r   r   ErrorLineNumber)r   r   r   r   r   getLineNumberB   s    
zExpatLocator.getLineNumberc             C   s   | j }|d krd S |j S )N)r   _sourcegetPublicId)r   r   r   r   r   r&   H   s    zExpatLocator.getPublicIdc             C   s   | j }|d krd S |j S )N)r   r%   getSystemId)r   r   r   r   r   r'   N   s    zExpatLocator.getSystemIdN)	r   r   r   __doc__r   r!   r$   r&   r'   r   r   r   r   r   3   s   r   c               @   s  e Zd ZdZdCddZdd Zdd	 Zd
d Zdd Zdd Z	dd Z
dd ZdDddZdd Zdd Zdd Zdd Zdd Zd d! Zd"d# Zd$d% Zd&d' Zd(d) Zd*d+ Zd,d- Zd.d/ Zd0d1 Zd2d3 Zd4d5 Zd6d7 Zd8d9 Zd:d; Zd<d= Z d>d? Z!d@dA Z"dBS )EExpatParserz$SAX driver for the pyexpat C module.r     c             C   sF   t j| | t  | _d | _|| _d | _d| _g | _	d| _
d | _d S )Nr   )r   IncrementalParserr   InputSourcer%   r   _namespaces_lex_handler_prop_parsing_entity_stack_external_ges
_interning)r   ZnamespaceHandlingbufsizer   r   r   r   Z   s    
zExpatParser.__init__c             C   sV   t |}|| _y*|   | jt|  tj	| | W n   | 
   Y nX dS )z3Parse an XML document from a URL or an InputSource.N)r   prepare_input_sourcer%   reset_cont_handlersetDocumentLocatorr   r   r+   parse_close_source)r   sourcer   r   r   r8   g   s    
zExpatParser.parsec             C   s    |  d k	r| j|   d S )N)r'   r   SetBase)r   r:   r   r   r   prepareParserw   s    zExpatParser.prepareParserc             C   s    t j| | | jr|   d S )N)r   r+   setContentHandlerr/   _reset_cont_handler)r   r   r   r   r   r=   }   s    zExpatParser.setContentHandlerc             C   sP   |t kr| jS |tkr | jd k	S |tttfkr2dS |tkr@| jS t	d| d S )Nr   zFeature '%s' not recognized)
r   r-   r   r2   r   r   r   r   r1   SAXNotRecognizedException)r   namer   r   r   
getFeature   s    
zExpatParser.getFeaturec             C   s   | j rtd|tkr|| _n|tkr.|| _nt|tkrT|rL| jd krRi | _qd | _nN|tkrj|rtdn8|t	kr|rtdn"|t
kr|rtd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 prefixeszFeature '%s' not recognized)r/   SAXNotSupportedExceptionr   r-   r   r1   r   r2   r   r   r   r?   )r   r@   stater   r   r   
setFeature   s2    
zExpatParser.setFeaturec             C   sd   |t jkr| jS |tkr| jS |tkrT| jrLt| jdrB| j S t	dnt
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
   r2   r	   r   hasattrrE   r?   rB   )r   r@   r   r   r   getProperty   s    

zExpatParser.getPropertyc             C   sV   |t jkr || _| jrR|   n2|tkr0|| _n"|tkrFtd| nt	d| d S )NzProperty '%s' cannot be setzProperty '%s' not recognized)
r   rF   r.   r/   _reset_lex_handler_propr
   r2   r	   rB   r?   )r   r@   valuer   r   r   setProperty   s    


zExpatParser.setPropertyc          
   C   sz   | j s|   d| _ | j  y| j|| W nD tjk
rt } z$tt	|j
|| }| j| W d d }~X Y nX d S )Nr"   )r/   r5   r6   startDocumentr   Parser   errorSAXParseExceptionErrorStringcode_err_handler
fatalError)r   dataisFinaleexcr   r   r   feed   s    
zExpatParser.feedc             C   sB   | j }z| }|d k	r |  W d | }|d k	r<|  X d S )N)r%   getCharacterStreamclosegetByteStream)r   r:   filer   r   r   r9      s    zExpatParser._close_sourcec             C   s   | j s| jd kst| jtr d S z(| jddd | j  d| _d | _W d d| _| jd k	rzt }| jj|_| jj	|_	|| _| 
  X d S )N r"   )rU   r   )r0   r   
isinstancer   rX   r6   endDocumentr/   r    r#   r9   )r   r   r   r   r   rZ      s    




zExpatParser.closec             C   s   | j j| j_| j j| j_d S )N)r6   processingInstructionr   ZProcessingInstructionHandler
charactersZCharacterDataHandler)r   r   r   r   r>      s    zExpatParser._reset_cont_handlerc             C   s`   | j }| j}|d kr4d |_d |_d |_d |_d |_n(|j|_|j|_|j	|_| j
|_|j|_d S )N)r.   r   ZCommentHandlerZStartCdataSectionHandlerZEndCdataSectionHandlerZStartDoctypeDeclHandlerZEndDoctypeDeclHandlercommentZ
startCDATAZendCDATAstart_doctype_declZendDTD)r   Zlexr   r   r   r   rI     s    z#ExpatParser._reset_lex_handler_propc             C   s   | j r>tj| j d| jd| _d| j_| j| j_	| j
| j_n,tj| j | jd| _| j| j_	| j| j_|   | j| j_| j| j_| j| j_| j| j_d | _| jr|   | j| j_y| j| j_W n tk
r   Y nX | jtj  d| _!g | _"d S )N )internr"   r   )#r-   r   r   r%   getEncodingr2   r   Znamespace_prefixesstart_element_nsZStartElementHandlerend_element_nsZEndElementHandlerstart_elementend_elementr>   unparsed_entity_declZUnparsedEntityDeclHandlernotation_declZNotationDeclHandlerstart_namespace_declZStartNamespaceDeclHandlerend_namespace_declZEndNamespaceDeclHandlerZ_decl_handler_propr.   rI   external_entity_refZExternalEntityRefHandlerskipped_entity_handlerZSkippedEntityHandlerAttributeErrorSetParamEntityParsing*XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONEr/   r0   )r   r   r   r   r5     s6    







zExpatParser.resetc             C   s   | j d krd S | j jS )N)r   r    )r   r   r   r   r!   ;  s    
zExpatParser.getColumnNumberc             C   s   | j d krdS | j jS )Nr"   )r   r#   )r   r   r   r   r$   @  s    
zExpatParser.getLineNumberc             C   s
   | j  S )N)r%   r&   )r   r   r   r   r&   E  s    zExpatParser.getPublicIdc             C   s
   | j  S )N)r%   r'   )r   r   r   r   r'   H  s    zExpatParser.getSystemIdc             C   s   | j |t| d S )N)r6   startElementAttributesImpl)r   r@   attrsr   r   r   ri   L  s    zExpatParser.start_elementc             C   s   | j | d S )N)r6   
endElement)r   r@   r   r   r   rj   O  s    zExpatParser.end_elementc             C   s   |  }t|dkrd |f}n&t|dkr<|d |d f}nt|}i }i }x| D ]|\}}|  }t|}	|	dkr|}
d |f}n>|	dkrd|d |d f }
|d |d f}n|d }
t|}|||< |
||< qVW | j|d t|| d S )Nr"      r   z%s:%s   )splitlentupleitemsr6   startElementNSAttributesNSImpl)r   r@   rv   pairZnewattrsqnamesanamerJ   partslengthqnameZapairr   r   r   rg   R  s.    


zExpatParser.start_element_nsc             C   sV   |  }t|dkrd |f}n&t|dkr<|d |d f}nt|}| j|d  d S )Nr"   rx   r   )rz   r{   r|   r6   endElementNS)r   r@   r   r   r   r   rh   t  s    
zExpatParser.end_element_nsc             C   s   | j || d S )N)r6   r`   )r   targetrT   r   r   r   processing_instruction  s    z"ExpatParser.processing_instructionc             C   s   | j | d S )N)r6   ra   )r   rT   r   r   r   character_data  s    zExpatParser.character_datac             C   s   | j || d S )N)r6   startPrefixMapping)r   prefixurir   r   r   rm     s    z ExpatParser.start_namespace_declc             C   s   | j | d S )N)r6   endPrefixMapping)r   r   r   r   r   rn     s    zExpatParser.end_namespace_declc             C   s   | j ||| d S )N)r.   ZstartDTD)r   r@   sysidpubidZhas_internal_subsetr   r   r   rc     s    zExpatParser.start_doctype_declc             C   s   | j |||| d S )N)_dtd_handlerunparsedEntityDecl)r   r@   baser   r   Znotation_namer   r   r   rk     s    z ExpatParser.unparsed_entity_declc             C   s   | j ||| d S )N)r   notationDecl)r   r@   r   r   r   r   r   r   rl     s    zExpatParser.notation_declc             C   s   | j s
dS | j||}t|| j p*d}| j| j	| jf | j	
|| _	|| _ytj| | W n
   dS | jd \| _	| _| jd= dS )Nr"   r]   r   )r1   _ent_handlerresolveEntityr   r4   r%   r'   r0   appendr   ExternalEntityParserCreater   r+   r8   )r   contextr   r   r   r:   r   r   r   ro     s     
zExpatParser.external_entity_refc             C   s   |rd| }| j | d S )N%)r6   skippedEntity)r   r@   Zis_per   r   r   rp     s    z"ExpatParser.skipped_entity_handlerN)r   r*   )r   )#r   r   r   r(   r   r8   r<   r=   rA   rD   rH   rK   rX   r9   rZ   r>   rI   r5   r!   r$   r&   r'   ri   rj   rg   rh   r   r   rm   rn   rc   rk   rl   ro   rp   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(   versionZxml.sax._exceptionsZxml.sax.handlerr   r   r   r   r   r   r	   r
   sysplatformSAXReaderNotAvailableZxml.parsersr   ImportErrorrG   xml.saxr   r   r   ru   r   _weakrefr   weakrefproxyr   Locatorr   r+   r)   r   r   Zxml.sax.saxutilsxmlpr=   saxZXMLGeneratorsetErrorHandlerErrorHandlerr8   r   r   r   r   <module>   sN   


$  _
