
.c`<                 @   s8  d  Z  d Z d d l Td 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 Wn! e k
 r e d d	   Yn  Xe e d  re d d	   d d l m Z m Z m Z e j Z e j Z y d d	 l Z Wn e k
 rdd d   Z Yn Xd d	 l Z e j Z [ [ Gd d   d  Z Gd d   d e j  Z Gd d   d e j  e j  Z! d d   Z" e# d k r4d d	 l$ Z% e"   Z& e& j' e% j( j j)    e& j* e% j( j+    e& j, 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   Zjavazexpat not available in Java)expatzexpat not supportedParserCreate)	xmlreadersaxutilshandlerc             C   s   |  S)N )or   r   )/usr/lib/python3.5/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               @   sR   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 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 j   S)N)r   r$   getSystemId)r   r   r   r   r   r&   N   s    	zExpatLocator.getSystemIdN)	r   r   r   __doc__r   r    r#   r%   r&   r   r   r   r   r   3   s   r   c               @   s  e  Z d  Z d Z d dD d d  Z d d	   Z d
 d   Z d d   Z d d   Z d d   Z	 d d   Z
 d d   Z d d d  Z d d   Z d d   Z d d   Z d d   Z d  d!   Z d" d#   Z d$ d%   Z d& d'   Z d( d)   Z d* d+   Z d, d-   Z d. d/   Z d0 d1   Z d2 d3   Z d4 d5   Z d6 d7   Z d8 d9   Z d: d;   Z d< d=   Z d> d?   Z  d@ dA   Z! dB S)EExpatParserz$SAX driver for the pyexpat C module.r            c             C   se   t  j j |  |  t  j   |  _ d  |  _ | |  _ d  |  _ d |  _ g  |  _	 d |  _
 d  |  _ d  S)Nr   r!   )r   IncrementalParserr   ZInputSourcer$   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   sO   t  j |  } | |  _ |  j   |  j j t |    t j j	 |  |  d S)z3Parse an XML document from a URL or an InputSource.N)
r   prepare_input_sourcer$   reset_cont_handlerZsetDocumentLocatorr   r   r,   parse)r   sourcer   r   r   r7   g   s
    	
zExpatParser.parsec             C   s,   | j    d  k	 r( |  j j | j     d  S)N)r&   r   ZSetBase)r   r8   r   r   r   prepareParserp   s    zExpatParser.prepareParserc             C   s*   t  j j |  |  |  j r& |  j   d  S)N)r   r,   setContentHandlerr/   _reset_cont_handler)r   r   r   r   r   r:   v   s    	zExpatParser.setContentHandlerc             C   sl   | t  k r |  j S| t k r, |  j d  k	 S| t t t f k rE d S| t k rX |  j St	 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 rE | |  _ n | t k r~ | rr |  j d  k r{ i  |  _ q d  |  _ ns | t k r | r t d   nR | t	 k r | r t d   n1 | t
 k r | r t 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   s   | t  j k r |  j S| t k r) |  j S| t k rx |  j rl t |  j d  r] |  j j   St	 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   hasattrrB   r<   r?   )r   r=   r   r   r   getProperty   s    		zExpatParser.getPropertyc             C   sy   | t  j k r. | |  _ |  j ru |  j   nG | t k rF | |  _ n/ | t k re t d |   n t	 d |   d  S)NzProperty '%s' cannot be setzProperty '%s' not recognized)
r   rC   r.   r/   _reset_lex_handler_propr
   r2   r	   r?   r<   )r   r=   valuer   r   r   setProperty   s    		zExpatParser.setPropertyc             C   s   |  j  s) |  j   d |  _  |  j j   y |  j j | |  WnV t j k
 r } z3 t t j	 | j
  | |   } |  j j |  WYd  d  } ~ Xn Xd  S)Nr!   )r/   r5   r6   ZstartDocumentr   ZParser   errorZSAXParseExceptionZErrorStringcodeZ_err_handlerZ
fatalError)r   dataisFinaleexcr   r   r   feed   s    	
	zExpatParser.feedc             C   s  |  j  s* |  j d  k s* t |  j t  r. d  Sz6 |  j d d d |  j j   d |  _ d  |  _ Wd  d |  _ |  j d  k	 r t   } |  j j | _ |  j j	 | _	 | |  _ z) |  j
 j   } | d  k	 r | j   Wd  |  j
 j   } | d  k	 r | j   XXd  S)N rL   r!   r   )r0   r   
isinstancer   rO   r6   ZendDocumentr/   r   r"   r$   ZgetCharacterStreamcloseZgetByteStream)r   r   filer   r   r   rR      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 rN d  | _ d  | _ d  | _ d  | _ d  | _ n< | j | _ | j | _ | j	 | _ |  j
 | _ | j | _ d  S)N)r.   r   ZCommentHandlerZStartCdataSectionHandlerZEndCdataSectionHandlerZStartDoctypeDeclHandlerZEndDoctypeDeclHandlerZcommentZ
startCDATAZendCDATAstart_doctype_declZendDTD)r   Zlexr   r   r   r   rF      s    						z#ExpatParser._reset_lex_handler_propc             C   sa  |  j  r] t j |  j j   d d |  j |  _ d |  j _ |  j |  j _	 |  j
 |  j _ nB t j |  j j   d |  j |  _ |  j |  j _	 |  j |  j _ |  j   |  j |  j _ |  j |  j _ |  j |  j _ |  j |  j _ d  |  _ |  j r|  j   |  j |  j _ y |  j |  j _ Wn t k
 r7Yn X|  j j t j   d |  _! g  |  _" d  S)N internr!   r   )#r-   r   r   r$   ZgetEncodingr2   r   Znamespace_prefixesstart_element_nsZStartElementHandlerend_element_nsZEndElementHandlerstart_elementend_elementr;   unparsed_entity_declZUnparsedEntityDeclHandlernotation_declZNotationDeclHandlerstart_namespace_declZStartNamespaceDeclHandlerend_namespace_declZEndNamespaceDeclHandlerZ_decl_handler_propr.   rF   external_entity_refZExternalEntityRefHandlerskipped_entity_handlerZSkippedEntityHandlerAttributeErrorZSetParamEntityParsingZ*XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONEr/   r0   )r   r   r   r   r5   	  s6    	
		
	
	zExpatParser.resetc             C   s   |  j  d  k r d  S|  j  j S)N)r   r   )r   r   r   r   r    0  s    zExpatParser.getColumnNumberc             C   s   |  j  d  k r d S|  j  j S)Nr!   )r   r"   )r   r   r   r   r#   5  s    zExpatParser.getLineNumberc             C   s   |  j  j   S)N)r$   r%   )r   r   r   r   r%   :  s    zExpatParser.getPublicIdc             C   s   |  j  j   S)N)r$   r&   )r   r   r   r   r&   =  s    zExpatParser.getSystemIdc             C   s   |  j  j | t |   d  S)N)r6   ZstartElementAttributesImpl)r   r=   attrsr   r   r   r[   A  s    zExpatParser.start_elementc             C   s   |  j  j |  d  S)N)r6   Z
endElement)r   r=   r   r   r   r\   D  s    zExpatParser.end_elementc             C   sL  | j    } t |  d k r- d  | f } n5 t |  d k rV | d | d f } n t |  } i  } i  } x | j   D] \ } } | j    } t |  }	 |	 d k r | }
 d  | f } nQ |	 d k r d | d | d f }
 | d | d f } n | d }
 t |  } | | | <|
 | | <q{ W|  j j | d  t | |   d  S)Nr!      r   z%s:%sr)   )splitlentupleitemsr6   ZstartElementNSAttributesNSImpl)r   r=   re   pairZnewattrsZqnamesZanamerG   partsZlengthZqnameZapairr   r   r   rY   G  s.    

zExpatParser.start_element_nsc             C   sy   | j    } t |  d k r- d  | f } n5 t |  d k rV | d | d f } n t |  } |  j j | d   d  S)Nr!   rf   r   )rg   rh   ri   r6   ZendElementNS)r   r=   rl   r   r   r   rZ   i  s    zExpatParser.end_element_nsc             C   s   |  j  j | |  d  S)N)r6   rT   )r   targetrK   r   r   r   processing_instructionu  s    z"ExpatParser.processing_instructionc             C   s   |  j  j |  d  S)N)r6   rU   )r   rK   r   r   r   character_datay  s    zExpatParser.character_datac             C   s   |  j  j | |  d  S)N)r6   ZstartPrefixMapping)r   prefixZurir   r   r   r_   |  s    z ExpatParser.start_namespace_declc             C   s   |  j  j |  d  S)N)r6   ZendPrefixMapping)r   rq   r   r   r   r`     s    zExpatParser.end_namespace_declc             C   s   |  j  j | | |  d  S)N)r.   ZstartDTD)r   r=   sysidpubidZhas_internal_subsetr   r   r   rV     s    zExpatParser.start_doctype_declc             C   s   |  j  j | | | |  d  S)N)_dtd_handlerZunparsedEntityDecl)r   r=   baserr   rs   Znotation_namer   r   r   r]     s    z ExpatParser.unparsed_entity_declc             C   s   |  j  j | | |  d  S)N)rt   ZnotationDecl)r   r=   ru   rr   rs   r   r   r   r^     s    zExpatParser.notation_declc          	   C   s   |  j  s d S|  j j | |  } t j | |  j j   p= d  } |  j j |  j	 |  j f  |  j	 j
 |  |  _	 | |  _ y t j j |  |  Wn d SYn X|  j d \ |  _	 |  _ |  j d =d S)Nr!   rP   r   rv   )r1   Z_ent_handlerZresolveEntityr   r4   r$   r&   r0   appendr   ZExternalEntityParserCreater   r,   r7   )r   contextru   rr   rs   r8   r   r   r   ra     s     					
zExpatParser.external_entity_refc             C   s$   | r d | } |  j  j |  d  S)N%)r6   ZskippedEntity)r   r=   Zis_per   r   r   rb     s    
z"ExpatParser.skipped_entity_handlerNi   i  )"r   r   r   r'   r   r7   r9   r:   r>   rA   rE   rH   rO   rR   r;   rF   r5   r    r#   r%   r&   r[   r\   rY   rZ   ro   rp   r_   r`   rV   r]   r^   ra   rb   r   r   r   r   r(   W   s>   	'"r(   c              O   s   t  |  |   S)N)r(   )argskwargsr   r   r   create_parser  s    r|   __main__z:http://www.ibiblio.org/xml/examples/shakespeare/hamlet.xml)-r'   versionZxml.sax._exceptionsZxml.sax.handlerr   r   r   r   r   r   r	   r
   sysplatformZSAXReaderNotAvailableZxml.parsersr   ImportErrorrD   Zxml.saxr   r   r   rd   rk   _weakrefr   weakrefproxyr   ZLocatorr   r,   r(   r|   r   Zxml.sax.saxutilsZxmlpr:   ZsaxZXMLGeneratorZsetErrorHandlerZErrorHandlerr7   r   r   r   r   <module>   sL   
			$ S	