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Editing: expatbuilder.cpython-36.pyc
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dd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Zd'd(� Zd)d*� Zd+d,� Zd-d.� Zd/d0� Zd1d2� Zd3d4� Z d5d6� Z d7d8� Z d9d:� Z dS )<� ExpatBuilderzPDocument builder that uses Expat to build a ParsedXML.DOM document instance.Nc C sP |d krt j� }|| _| jjd k r2t| jj�| _n d | _t| _d | _| j � d S )N) r ZOptions�_options�filter�FilterVisibilityController�_filterr �_finish_start_element�_parser�reset)r �optionsr r r r � s zExpatBuilder.__init__c C s t j� S )zCreate a new parser object.)r � ParserCreate)r r r r � createParser� s zExpatBuilder.createParserc C sF | j s@| j� | _ | j jj| _d| j _d| j _d| j _| j| j � | j S )z7Return the parser object, creating a new one if needed.T) rL rP r@ � setdefaultr4 Z buffer_textZordered_attributesZspecified_attributes�install)r r r r � getParser� s zExpatBuilder.getParserc C s, t jtdd�| _| j| _| jj| _d| _dS )z6Free all data structures used during DOM construction.NF)�theDOMImplementationZcreateDocumentr �document�curNode� _elem_info�_cdata)r r r r rM � s zExpatBuilder.resetc C s� | j |_| j|_| j|_| j|_| jj r0| j |_ | j |_ | jjrH| j|_| jjrj| j|_| j|_| j|_n| j|_| j|_| j|_ | j |_ | j |_ dS )z>Install the callbacks needed to build the DOM into the parser.N)!�start_doctype_decl_handler�StartDoctypeDeclHandler�first_element_handler�StartElementHandler�end_element_handler�EndElementHandler� pi_handler� ProcessingInstructionHandlerrG r �entity_decl_handler�EntityDeclHandler�notation_decl_handler�NotationDeclHandler�comments�comment_handler�CommentHandlerZcdata_sections�start_cdata_section_handler�StartCdataSectionHandler�end_cdata_section_handler�EndCdataSectionHandler� character_data_handler_cdata�CharacterDataHandler�character_data_handler�external_entity_ref_handler�ExternalEntityRefHandler�xml_decl_handlerZXmlDeclHandler�element_decl_handlerZElementDeclHandler�attlist_decl_handlerZAttlistDeclHandler)r �parserr r r rR � s$ zExpatBuilder.installc C s� | j � }d}yLx:|jd�}|s P |j|d� |rB| jjrB| j|� d}qW |jdd� W n tk rl Y nX | j}| j� d| _|S ) zIParse a document from a file object, returning the document node.T� i r F� Ni @ ) rS �read�ParserU �documentElement� _setup_subset� ParseEscaperM rL )r �filert Z first_buffer�buffer�docr r r � parseFile� s$ zExpatBuilder.parseFilec C sP | j � }y|j|d� | j|� W n tk r6 Y nX | j}| j� d| _|S )z<Parse a document from a string, returning the document node.TN)rS rx rz r{ rU rM rL )r �stringrt r~ r r r � parseString� s zExpatBuilder.parseStringc C s. | j jr*t� }|j|� |j� }|| j j_dS )z/Load the internal subset if there might be one.N)rU �doctype�InternalSubsetExtractorr� � getSubset�internalSubset)r r} Z extractor�subsetr r r rz � s zExpatBuilder._setup_subsetc C s� | j jj|||�}| j |_t| j |� || j _| jrj| jj|�tkrjd | j _| j j d= d }d | j _ d | j _ |r�|d k r�g |j _g |j_d | j _d | j _| j| j _d S )Nr ���)rU �implementationZcreateDocumentType� ownerDocumentr r� rJ � acceptNode� FILTER_REJECT� childNodesrL rb rd r �_seq� notationsrg r` �end_doctype_decl_handler�EndDoctypeDeclHandler)r Z doctypeName�systemId�publicId�has_internal_subsetr� r r r rY � s$ z'ExpatBuilder.start_doctype_decl_handlerc C s2 | j jr| j| j_| j| j_| jp&| js.t | _ d S )N) rG re rf rL rg r_ r` rW rJ r �_finish_end_element)r r r r r� s z%ExpatBuilder.end_doctype_decl_handlerc C s@ | j j||�}t| j|� | jr<| jj|�tkr<| jj|� d S )N)rU ZcreateProcessingInstructionr rV rJ r� r� � removeChild)r �target�data�noder r r r_ s zExpatBuilder.pi_handlerc C s� | j j}| jrH| jr4|d jtkr4|d j|� d S | jj|�}d| _nD|rv|d jt krv|d }|j | }||_ d S t j � }||_ | j|_ t| j |� d S )Nr Tr� r� r� r� )rV r� rX �_cdata_continue�nodeType�CDATA_SECTION_NODEZ appendDatarU ZcreateCDATASection� TEXT_NODEr� r �Textr� r )r r� r� r� �valuer r r rl s" z)ExpatBuilder.character_data_handler_cdatac C s^ | j j}|r2|d jtkr2|d }|j| |_d S tj� }|j| |_| j|_t | j |� d S )Nr r� r� ) rV r� r� r� r� r r� rU r� r )r r� r� r� r r r rn & s z#ExpatBuilder.character_data_handlerc C s� |rd S | j jsd S | jj||||�}|d k rF| jj|�} |jj| � | jjjjj|� | j r|| j j |�t kr|| jjjjd= d S )Nr r� ) rG r rU Z_create_entityZcreateTextNoder� �appendr� r� rJ r� r� ) r Z entityNameZis_parameter_entityr� �baser� r� � notationNamer� �childr r r ra 1 s z ExpatBuilder.entity_decl_handlerc C sJ | j j|||�}| j jjjj|� | jrF| jj|�tkrF| j jjjd= d S )Nr r� ) rU Z_create_notationr� r� r� r� rJ r� � FILTER_ACCEPT)r r� r� r� r� r� r r r rc C s z"ExpatBuilder.notation_decl_handlerc C s> | j j|�}t| j|� | jr:| jj|�tkr:| jj|� d S )N)rU Z createCommentr rV rJ r� r� r� )r r� r� r r r rf I s z ExpatBuilder.comment_handlerc C s d| _ d| _d S )NTF)rX r� )r r r r rh O s z(ExpatBuilder.start_cdata_section_handlerc C s d| _ d| _d S )NF)rX r� )r r r r rj S s z&ExpatBuilder.end_cdata_section_handlerc C s dS )Nr r )r �contextr� r� r� r r r ro W s z(ExpatBuilder.external_entity_ref_handlerc C s4 | j d kr| j rt| _| j| j� _| j||� d S )N)rJ rW r r� �start_element_handlerrS r\ )r r> � attributesr r r r[ Z s z"ExpatBuilder.first_element_handlerc C s� | j j|�}t| j|� || _|rtxPtdt|�d�D ]<}tj|| td t �}||d }||_ | j |_ t ||� q4W || j j k r�| j|� d S )Nr r r )rU Z createElementr rV �ranger< r �Attrr r r� r� r ry rK )r r> r� r� �i�ar� r r r r� ` s z"ExpatBuilder.start_element_handlerc C sj | j rf|| jjkrd S | j j|�}|tkr4t| � n|tkrFt| � nd S |j| _ |jj |� |j � d S )N) rJ rU ry �startContainerr� �Rejecter� FILTER_SKIP�Skipper� parentNoderV r� �unlink)r r� Zfiltr r r rK q s z"ExpatBuilder._finish_start_elementc C s | j }|j| _ | j|� d S )N)rV r� r� )r r> rV r r r r] � s z ExpatBuilder.end_element_handlerc C s\ | j j|j�}|r | j||� | jrX|| jjkr4d S | jj|�tkrX| j j |� |j � d S )N) rW �getr �_handle_white_text_nodesrJ rU ry r� r� rV r� r� )r rV r% r r r r� � s z ExpatBuilder._finish_end_elementc C sf | j js|j� rd S g }x.|jD ]$}|jtkr"|jj� r"|j|� q"W x|D ]}|j |� qPW d S )N) rG Z whitespace_in_element_contentr, r� r� r� r� �stripr� r� )r r� r% �Lr� r r r r� � s z%ExpatBuilder._handle_white_text_nodesc C s> | j j|�}|d kr&t||�| j |< n|jd ks4t�||_d S )N)rW r� r r r: )r r> r r% r r r rr � s z!ExpatBuilder.element_decl_handlerc C sF | j j|�}|d kr&t|�}|| j |< |jjd |d d |d||g� d S )Nr )rW r� r r r� )r �elemr> r+ �defaultZrequiredr% r r r rs � s z!ExpatBuilder.attlist_decl_handlerc C s2 || j _|| j _|dkr.|r&d| j _nd| j _d S )Nr TF)rU �version�encoding� standalone)r r� r� r� r r r rq � s z ExpatBuilder.xml_decl_handler)N) r0 r1 r2 �__doc__r rP rS rM rR r r� rz rY r� r_ rl rn ra rc rf rh rj ro r[ r� rK r] r� r� rr rs rq r r r r rF � s: rF c @ s� e Zd ZdZd Zdd� Zdd� Zdd� Zej e j ej e j eje jeje jeje jeje jeje jeje jeje jej e j ej e j ej e j!i Z"d S ) rI zoWrapper around a DOMBuilderFilter which implements the checks to make the whatToShow filter attribute work.rH c C s || _ d S )N)rH )r rH r r r r � s z#FilterVisibilityController.__init__c C sT | j |j }| jj|@ rL| jj|�}|tkr0t�|tkrHtdt |� ��|S t S d S )Nz)startContainer() returned illegal value: ) �_nodetype_maskr� rH � whatToShowr� �FILTER_INTERRUPTr{ �_ALLOWED_FILTER_RETURNSr= �reprr� )r r� �mask�valr r r r� � s z)FilterVisibilityController.startContainerc C s� | j |j }| jj|@ r�| jj|�}|tkr0t�|tkrd|j}x |j d d � D ]}|j |� qNW t S |t kr|t dt|� ��|S tS d S )Nz%acceptNode() returned illegal value: )r� r� rH r� r� r� r{ r� r� r� Z appendChildr� r� r= r� r� )r r� r� r� �parentr� r r r r� � s z%FilterVisibilityController.acceptNodeN)rH )#r0 r1 r2 r� r3 r r� r� r Z ELEMENT_NODEr Z SHOW_ELEMENTZATTRIBUTE_NODEZSHOW_ATTRIBUTEr� Z SHOW_TEXTr� ZSHOW_CDATA_SECTIONZENTITY_REFERENCE_NODEZSHOW_ENTITY_REFERENCEZ ENTITY_NODEZ SHOW_ENTITYZPROCESSING_INSTRUCTION_NODEZSHOW_PROCESSING_INSTRUCTIONZ COMMENT_NODEZ SHOW_COMMENT� DOCUMENT_NODEZ SHOW_DOCUMENTZDOCUMENT_TYPE_NODEZSHOW_DOCUMENT_TYPEZDOCUMENT_FRAGMENT_NODEZSHOW_DOCUMENT_FRAGMENTZ NOTATION_NODEZ SHOW_NOTATIONr� r r r r rI � s" rI c @ s e Zd ZdZdd� ZdS ) � FilterCrutch�_builder�_level� _old_start�_old_endc C s6 d| _ || _|j}|j| _|j| _| j|_| j|_d S )Nr ) r� r� rL r\ r� r^ r� r� r] )r r5 rt r r r r s zFilterCrutch.__init__N)r� r� r� r� )r0 r1 r2 r3 r r r r r r� s r� c @ s( e Zd Zf Zdd� Zdd� Zdd� ZdS )r� c C s0 t j| |� |j}xdD ]}t||d � qW d S )Nr` rg rm ri rk rp )r` rg rm ri rk rp )r� r rL �setattr)r r5 rt r> r r r r s zRejecter.__init__c G s | j d | _ d S )Nr )r� )r �argsr r r r� s z Rejecter.start_element_handlerc G s@ | j dkr0| jj}| jj|� | j|_| j|_n | j d | _ d S )Nr r )r� r� rL rR r� r\ r� r^ )r r� rt r r r r] s z Rejecter.end_element_handlerN)r0 r1 r2 r3 r r� r] r r r r r� s r� c @ s e Zd Zf Zdd� Zdd� ZdS )r� c G s. | j j}| j|� | j j|k r*| jd | _d S )Nr )r� rV r� r� )r r� r� r r r r� - s z Skipper.start_element_handlerc G sD | j dkr*| j| jj_| j| jj_d | _n| j d | _ | j|� d S )Nr r )r� r� r� rL r\ r� r^ )r r� r r r r] 3 s zSkipper.end_element_handlerN)r0 r1 r2 r3 r� r] r r r r r� * s r� z8http://xml.python.org/entities/fragment-builder/internalz�<!DOCTYPE wrapper %%s [ <!ENTITY fragment-builder-internal SYSTEM "%s"> %%s ]> <wrapper %%s >&fragment-builder-internal;</wrapper>c @ sJ e Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dS )�FragmentBuilderz�Builder which constructs document fragments given XML source text and a context node. The context node is expected to provide information about the namespace declarations which are in scope at the start of the fragment. Nc C s6 |j tkr|| _|| _n|j| _|| _tj| |� d S )N)r� r� �originalDocumentr� r� rF r )r r� rN r r r r [ s zFragmentBuilder.__init__c C s t j| � d | _d S )N)rF rM �fragment)r r r r rM d s zFragmentBuilder.resetc C s | j |j� �S )zRParse a document fragment from a file object, returning the fragment node.)r� rw )r r| r r r r h s zFragmentBuilder.parseFilec C s� || _ | j� }| jj}d}|rV|jp*| j� }|jrDd|j|jf }qZ|jrZd|j }nd}| j� }t |||f }y|j |d� W n | j � � Y nX | j }| j � |S )zMParse a document fragment from a string, returning the fragment node.rv zPUBLIC "%s" "%s"z SYSTEM "%s"r ) �_sourcerS r� r� r� �_getDeclarationsr� r� � _getNSattrs�_FRAGMENT_BUILDER_TEMPLATErx rM r� ) r r� rt r� Zidentr� ZnsattrsrU r� r r r r� m s, zFragmentBuilder.parseStringc C s | j jj}d}|�rxbt|jj�D ]R}|jj|�}|r>|d }d||jf }|jrfd||j|j f }q"d||j f }q"W x�t|j j�D ]�}|j j|�}|r�|d }d||jf }|jr�d||j|j f }n&|j r�d||j f }nd ||j j f }|j �rd ||j f }|d }q�W |S ) z�Re-create the internal subset from the DocumentType node. This is only needed if we don't already have the internalSubset as a string. rv z z%s<!NOTATION %sz!%s PUBLIC "%s" "%s">z%s SYSTEM "%s">z %s<!ENTITY %sz %s PUBLIC "%s" "%s"z%s SYSTEM "%s"z%s "%s"z%s NOTATION %s�>)r� r� r� r� r� Zlength�item�nodeNamer� r� r Z firstChildr� r� )r r� r6 r� Znotationr r r r r� � s6 z FragmentBuilder._getDeclarationsc C s dS )Nrv r )r r r r r� � s zFragmentBuilder._getNSattrsc C s~ |t krh| j}| j}| jj|�}| j| _| jj� | _| j| _z|j| j d� W d || _|| _d | _ X dS t j | ||||�S d S )Nr r� ) �$_FRAGMENT_BUILDER_INTERNAL_SYSTEM_IDrU rV rL ZExternalEntityParserCreater� ZcreateDocumentFragmentr� rx r� rF ro )r r� r� r� r� Z old_documentZ old_cur_nodert r r r ro � s z+FragmentBuilder.external_entity_ref_handler)N) r0 r1 r2 r� r rM r r� r� r� ro r r r r r� R s $r� c @ s@ e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dS )� Namespacesz7Mix-in class for builders; adds support for namespaces.c C s g | _ d S )N)�_ns_ordered_prefixes)r r r r �_initNamespaces� s zNamespaces._initNamespacesc C s t jdd�}d|_|S )z'Create a new namespace-handling parser.r8 )Znamespace_separatorT)r rO Znamespace_prefixes)r rt r r r rP � s zNamespaces.createParserc C s t j| |� | jjr | j|_dS )z.Insert the namespace-handlers onto the parser.N)rF rR rG Znamespace_declarations� start_namespace_decl_handlerZStartNamespaceDeclHandler)r rt r r r rR � s zNamespaces.installc C s | j j||f� dS )z/Push this namespace declaration on our storage.N)r� r� )r rC rA r r r r� � s z'Namespaces.start_namespace_decl_handlerc C s� d|kr t | |�\}}}}nt}|}d }t}tj||||�}| j|_t| j|� || _| j r�xZ| j D ]P\}}|r�tj t | d| �t |d�}ntj dt dt�}||_ | j|_t||� qdW | j d d �= |�r�|j� |j} |j} x�tdt|�d�D ]�} || } || d } d| k�rJt | | �\}}}}tj ||||�}|| |< || ||f< n$tj | t| t�}|| | < || t| f< | j|_| |_ ||_q�W d S )Nr8 zxmlns:�xmlnsr r r )rE r r r ZElementrU r� r rV r� r� r7 r r� r Z_ensure_attributes�_attrs�_attrsNSr� r< Z ownerElement)r r> r� rA rB rC rD r� r� r� r� r� r$ r� r r r r� � sP z Namespaces.start_element_handlerc C s� | j }d|krHt| |�\}}}}|j|kr>|j|kr>|j|ksltd��n$|j|ksZtd��|jtksltd��|j| _ | j |� d S )Nr8 z$element stack messed up! (namespace)z&element stack messed up - bad nodeNamez*element stack messed up - bad namespaceURI) rV rE r( r) rC r: r� r r� r� )r r> rV rA rB rC rD r r r r] s z Namespaces.end_element_handlerN) r0 r1 r2 r� r� rP rR r� r� r] r r r r r� � s 5r� c @ s e Zd ZdZdd� ZdS )�ExpatBuilderNSz*Document builder that supports namespaces.c C s t j| � | j� d S )N)rF rM r� )r r r r rM ) s zExpatBuilderNS.resetN)r0 r1 r2 r� rM r r r r r� & s r� c @ s e Zd ZdZdd� Zdd� ZdS )�FragmentBuilderNSz*Fragment builder that supports namespaces.c C s t j| � | j� d S )N)r� rM r� )r r r r rM 1 s zFragmentBuilderNS.resetc C s� d}| j }g }xv|r�t|d�r|x\|jj� D ]N\}}||kr<q*|j|� |rTd| }nd}|rld|||f }q*d||f }q*W |j}qW |S )zNReturn string of namespace attributes from this element and ancestors.rv �_ns_prefix_urizxmlns:r� z%s %s='%s'z %s='%s')r� �hasattrr� �itemsr� r� )r �attrsr� r� rC rA Zdeclnamer r r r� 5 s" z FragmentBuilderNS._getNSattrsN)r0 r1 r2 r� rM r� r r r r r� . s r� c @ s e Zd ZdZdS )r{ zEException raised to short-circuit parsing in InternalSubsetExtractor.N)r0 r1 r2 r� r r r r r{ S s r{ c @ sL e Zd ZdZdZdd� Zdd� Zdd� Zd d � Zd d � Z d d� Z dd� Z dS )r� zBXML processor which can rip out the internal document type subset.Nc C s | j S )z'Return the internal subset as a string.)r� )r r r r r� \ s z!InternalSubsetExtractor.getSubsetc C s* yt j| |� W n tk r$ Y nX d S )N)rF r r{ )r r| r r r r ` s z!InternalSubsetExtractor.parseFilec C s* yt j| |� W n tk r$ Y nX d S )N)rF r� r{ )r r� r r r r� f s z#InternalSubsetExtractor.parseStringc C s | j |_| j|_d S )N)rY rZ r� r\ )r rt r r r rR l s z InternalSubsetExtractor.installc C s0 |r&| j � }g | _| jj|_| j|_nt� �d S )N)rS r� r� ZDefaultHandlerr� r� r{ )r r> r� r� r� rt r r r rY p s z2InternalSubsetExtractor.start_doctype_decl_handlerc C s, dj | j�jdd�jdd�}|| _t� �d S )Nrv z � � )�joinr� �replacer{ )r r6 r r r r� z s z0InternalSubsetExtractor.end_doctype_decl_handlerc C s t � �d S )N)r{ )r r> r� r r r r� s z-InternalSubsetExtractor.start_element_handler) r0 r1 r2 r� r� r� r r� rR rY r� r� r r r r r� W s r� Tc C sL |r t � }nt� }t| t�r>t| d��}|j|�}W dQ R X n |j| �}|S )z{Parse a document, returning the resulting Document node. 'file' may be either a file name or an open file object. �rbN)r� rF � isinstance�str�openr )r| � namespacesr5 �fp�resultr r r �parse� s r� c C s |r t � }nt� }|j| �S )zOParse a document from a string, returning the resulting Document node. )r� rF r� )r� r� r5 r r r r� � s r� c C sP |rt |�}nt|�}t| t�rBt| d��}|j|�}W dQ R X n |j| �}|S )z�Parse a fragment of a document, given the context from which it was originally extracted. context should be the parent of the node(s) which are in the fragment. 'file' may be either a file name or an open file object. r� N)r� r� r� r� r� r )r| r� r� r5 r� r� r r r � parseFragment� s r� c C s |rt |�}nt|�}|j| �S )z�Parse a fragment of a document from a string, given the context from which it was originally extracted. context should be the parent of the node(s) which are in the fragment. )r� r� r� )r� r� r� r5 r r r �parseFragmentString� s r� c C s | j rt| �S t| �S dS )z,Create a builder based on an Options object.N)r� r� rF )rN r r r � makeBuilder� s r� )T)T)T)T)3r� Zxml.domr r r r r r Z xml.parsersr Zxml.dom.minidomr r Zxml.dom.NodeFilterr r� r� r� ZDOMBuilderFilterr� r� r� r� ZgetDOMImplementationrT ZTypeInfor" �objectr r7 rE rF r� rI r� r� r� r� r� r� r� r� r� � Exceptionr{ r� r� r� r� r� r� r r r r �<module> s^ 3 C : u_%,
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