U
,a @ s d Z ddlmZmZmZ ddlmZmZmZ ddlm Z ddl
m Z m Z ddl
mZ ejZejZejZejjZejjZejjZejjZe Zeddedd edd
edd edd edd
eddeddeddd ZG dd deZ dd Z dd Z G dd dZ eeefZ G dd deZ!G d d d eZ"G d d d e"Z#G d d! d!e"Z$d"Z%d#e% Z&G d$d% d%e Z'G d&d' d'Z(G d(d) d)e(e Z)G d*d+ d+e(e'Z*G d,d- d-e+Z,G d.d/ d/e Z-d;d1d2Z.d<d3d4Z/d=d5d6Z0d>d7d8Z1d9d: Z2dS )?zFacility to use the Expat parser to load a minidom instance
from a string or file.
This avoids all the overhead of SAX and pulldom to gain performance.
)
xmlbuilderminidomNode)EMPTY_NAMESPACE EMPTY_PREFIXXMLNS_NAMESPACE)expat)
_append_child_set_attribute_node)
NodeFilterNZcdata enumerationentityentitiesidZidrefZidrefsZnmtokenZnmtokens) ZCDATAENUMZENTITYZENTITIESIDZIDREFZIDREFSZNMTOKENZNMTOKENSc @ sZ e Zd ZdZdddZdd Zdd Zd d
Zd d Zd
d Z dd Z
dd Z dd Z dS ) ElementInfo
_attr_info_modeltagNameNc C s || _ g | _|| _d S N)r r r )selfr model r 9/opt/alt/python38/lib64/python3.8/xml/dom/expatbuilder.py__init__? s zElementInfo.__init__c C s | j | j| jfS r r r r r r __getstate__D s zElementInfo.__getstate__c C s |\| _ | _| _d S r r )r stater r r __setstate__G s zElementInfo.__setstate__c C sN | j D ]@}|d |kr|d }|d dkr6td S t|d S qtjS )N r (r )r
_typeinfo_mapr _no_type)r anameinfotr r r getAttributeTypeJ s
z ElementInfo.getAttributeTypec C s t jS r )r r% )r Z namespaceURIZ localNamer r r getAttributeTypeNST s z ElementInfo.getAttributeTypeNSc C s, | j r$| j d }|tjjtjjfkS dS d S Nr F)r r r Z
XML_CTYPE_ANYZXML_CTYPE_MIXED)r typer r r isElementContentW s
z ElementInfo.isElementContentc C s | j r| j d tjjkS dS d S r+ )r r r ZXML_CTYPE_EMPTYr r r r isEmpty_ s zElementInfo.isEmptyc C s, | j D ] }|d |kr|d dk S qdS )Nr! r" r F)r )r r& r' r r r isIde s
zElementInfo.isIdc C s | ||fS r )r/ )r ZeuriZenameZaurir& r r r isIdNSk s zElementInfo.isIdNS)N)
__name__
__module__ __qualname__ __slots__r r r r) r* r- r. r/ r0 r r r r r < s
r c C s | ||S r )_intern_setdefault)buildersr r r _interno s r8 c C s | d}| j}t|dkrR|\}}}|||}d||f }|||}|||}n4t|dkrz|\}}t}||| }}n td| ||||||fS )N z%s:%s z4Unsupported syntax: spaces in URIs not supported: %r)splitr5 lenr
ValueError)r6 namepartsinternuri localnameprefixqnamer r r _parse_ns_namer s
rF c @ s e Zd ZdZd;ddZdd Zdd Zd d
Zd d Zd
d Z dd Z
dd Z dd Z dd Z
dd Zdd Zdd Zd d Zd d Zd!d" Zd#d$ 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 }|| _| jjd k r2t| jj| _n d | _t| _d | _| d S r )
r ZOptions_optionsfilterFilterVisibilityController_filterr _finish_start_element_parserreset)r optionsr r r r s zExpatBuilder.__init__c C s t S )zCreate a new parser object.)r ParserCreater r r r createParser s zExpatBuilder.createParserc C sF | j s@| | _ | j jj| _d| j _d| j _d| j _| | j | j S )z7Return the parser object, creating a new one if needed.T) rM rQ rA
setdefaultr5 Z buffer_textZordered_attributesZspecified_attributesinstallr r r r getParser s
zExpatBuilder.getParserc C s, t tdd| _| j| _| jj| _d| _dS )z6Free all data structures used during DOM construction.NF)theDOMImplementationZcreateDocumentr documentcurNode
_elem_info_cdatar r r r rN 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_handlerStartDoctypeDeclHandlerfirst_element_handlerStartElementHandlerend_element_handlerEndElementHandler
pi_handler ProcessingInstructionHandlerrH r entity_decl_handlerEntityDeclHandlernotation_decl_handlerNotationDeclHandlercommentscomment_handlerCommentHandlerZcdata_sectionsstart_cdata_section_handlerStartCdataSectionHandlerend_cdata_section_handlerEndCdataSectionHandler character_data_handler_cdataCharacterDataHandlercharacter_data_handlerexternal_entity_ref_handlerExternalEntityRefHandlerxml_decl_handlerZXmlDeclHandlerelement_decl_handlerZElementDeclHandlerattlist_decl_handlerZAttlistDeclHandlerr parserr r r rS s$
zExpatBuilder.installc C s | }d}zH|d}|s qF||d |r@| jjr@| | d}q|dd W n tk
rh Y nX | j}| d| _|S )zIParse a document from a file object, returning the document
node.Ti @ r F N) rT readParserV documentElement
_setup_subset ParseEscaperN rM )r filerv Z first_bufferbufferdocr r r parseFile s"
zExpatBuilder.parseFilec C sP | }z||d | | W n tk
r6 Y nX | j}| d| _|S )z<Parse a document from a string, returning the document node.TN)rT ry r{ r| rV rN rM )r stringrv r r r r parseString s zExpatBuilder.parseStringc C s. | j jr*t }|| | }|| j j_dS )z/Load the internal subset if there might be one.N)rV doctypeInternalSubsetExtractorr getSubsetinternalSubset)r r~ Z extractorsubsetr r r r{ s
zExpatBuilder._setup_subsetc C s | j j|||}| j |_t| j | || j _| jrj| j|tkrjd | j _| j j d= d }d | j
_ d | j
_ |r|d k rg |j
_g |j_d | j
_d | j
_| j| j
_d S N)rV implementationZcreateDocumentType
ownerDocumentr r rK
acceptNode
FILTER_REJECT
childNodesrM rc re r _seq notationsrh ra end_doctype_decl_handlerEndDoctypeDeclHandler)r Z doctypeNamesystemIdpublicIdhas_internal_subsetr r r r rZ s*
z'ExpatBuilder.start_doctype_decl_handlerc C s2 | j jr| j| j_| j| j_| js.| js.t | _
d S r ) rH rf rg rM rh r` ra rX rK r _finish_end_elementr r r r r s
z%ExpatBuilder.end_doctype_decl_handlerc C s@ | j ||}t| j| | jr<| j|tkr<| j| d S r )rV ZcreateProcessingInstructionr rW rK r r removeChild)r targetdatanoder r r r` s zExpatBuilder.pi_handlerc C s | j j}| jrH| jr4|d jtkr4|d | d S | j|}d| _nD|rv|d jt krv|d }|j
| }||_
d S t }||_
| j|_
t| j | d S )Nr T)rW r rY _cdata_continuenodeTypeCDATA_SECTION_NODEZ
appendDatarV ZcreateCDATASection TEXT_NODEr r Textr r )r r r r valuer r r rm s$
z)ExpatBuilder.character_data_handler_cdatac C s^ | j j}|r2|d jtkr2|d }|j| |_d S t }|j| |_| j|_t | j | d S r )
rW r r r r r r rV r r )r r r r r r r ro & s z#ExpatBuilder.character_data_handlerc
C s |rd S | j jsd S | j||||}|d k rF| j|} |j| | jjjj| | j r|| j
|t kr|| jjjjd= d S r ) rH r rV Z_create_entityZcreateTextNoder appendr r rK r r )
r Z
entityNameZis_parameter_entityr baser r notationNamer childr r r rb 1 s
z ExpatBuilder.entity_decl_handlerc C sJ | j |||}| j jjj| | jrF| j|tkrF| j jjjd= d S r ) rV Z_create_notationr r r r rK r
FILTER_ACCEPT)r r r r r r r r r rd C s z"ExpatBuilder.notation_decl_handlerc C s> | j |}t| j| | jr:| j|tkr:| j| d S r )rV Z
createCommentr rW rK r r r )r r r r r r rg I s z ExpatBuilder.comment_handlerc C s d| _ d| _d S )NTFrY r r r r r ri O s z(ExpatBuilder.start_cdata_section_handlerc C s d| _ d| _d S )NFr r r r r rk S s z&ExpatBuilder.end_cdata_section_handlerc C s dS Nr! r )r contextr r r r r r rp W s z(ExpatBuilder.external_entity_ref_handlerc C s2 | j d kr| jst| _| j| _| || d S r )rK rX r r start_element_handlerrT r] )r r?
attributesr r r r\ Z s z"ExpatBuilder.first_element_handlerc C s | j |}t| j| || _|rptdt|dD ]<}t|| td t }||d }||_
| j |_ t || q2|| j j
k r| | d S )Nr r; r! )rV Z
createElementr rW ranger= r Attrr r r r r
rz rL )r r? r r iar r r r r ` s z"ExpatBuilder.start_element_handlerc C sj | j rf|| jjkrd S | j |}|tkr4t| n|tkrFt| nd S |j| _ |j
| | d S r ) rK rV rz startContainerr Rejecter FILTER_SKIPSkipper
parentNoderW r unlink)r r Zfiltr r r rL q s
z"ExpatBuilder._finish_start_elementc C s | j }|j| _ | | d S r )rW r r )r r? rW r r r r^ s z ExpatBuilder.end_element_handlerc C s\ | j |j}|r | || | jrX|| jjkr4d S | j|tkrX| j
| | d S r ) rX getr _handle_white_text_nodesrK rV rz r r rW r r )r rW r' r r r r s z ExpatBuilder._finish_end_elementc C sZ | j js| sd S g }|jD ]"}|jtkr |j s || q |D ]}| | qFd S r )
rH 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 s0 | j |}|d kr&t||| j |< n||_d S r )rX r r r )r r? r r' r r r rs s z!ExpatBuilder.element_decl_handlerc
C sF | j |}|d kr&t|}|| j |< |jd |d d |d||g d S Nr )rX r r r r )r elemr? r, defaultZrequiredr' r r r rt s
z!ExpatBuilder.attlist_decl_handlerc C s2 || j _|| j _|dkr.|r&d| j _nd| j _d S )Nr TF)rV versionencoding
standalone)r r r r r r r rr s
z ExpatBuilder.xml_decl_handler)N) r1 r2 r3 __doc__r rQ rT rN rS r r r{ rZ r r` rm ro rb rd rg ri rk rp r\ r rL r^ r r rs rt rr r r r r rG s:
rG c @ s e Zd ZdZdZdd 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 )
rJ zoWrapper around a DOMBuilderFilter which implements the checks
to make the whatToShow filter attribute work.rI c C s
|| _ d S r r )r rI r r r r s z#FilterVisibilityController.__init__c C sT | j |j }| jj|@ rL| j|}|tkr0t|tkrHtdt | |S t
S d S )Nz)startContainer() returned illegal value: ) _nodetype_maskr rI
whatToShowr FILTER_INTERRUPTr| _ALLOWED_FILTER_RETURNSr> reprr )r r maskvalr r r r s
z)FilterVisibilityController.startContainerc C s | j |j }| jj|@ r|| j|}|tkr0t|tkr`|j}|j d d D ]}|
| qLt S |t krxt
dt| |S tS d S )Nz%acceptNode() returned illegal value: )r r rI 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)#r1 r2 r3 r r4 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 rJ s<
rJ c @ s e Zd ZdZdd ZdS ) FilterCrutch)_builder_level
_old_start_old_endc C s6 d| _ || _|j}|j| _|j| _| j|_| j|_d S r ) r r rM r] r r_ r r r^ )r r6 rv r r r r s zFilterCrutch.__init__N)r1 r2 r3 r4 r r r r r r s r c @ s( e Zd ZdZdd Zdd Zdd ZdS ) r r c C s, t | | |j}dD ]}t||d qd S )N)ra rh rn rj rl rq )r r rM setattr)r r6 rv r? r r r r s zRejecter.__init__c G s | j d | _ d S r )r r argsr r r r s z Rejecter.start_element_handlerc G s@ | j dkr0| jj}| j| | j|_| j|_n | j d | _ d S Nr r! )r r rM rS r r] r r_ )r r rv r r r r^ s
z Rejecter.end_element_handlerN)r1 r2 r3 r4 r r r^ r r r r r s r c @ s e Zd ZdZdd Zdd ZdS )r r c G s. | j j}| j| | j j|k r*| jd | _d S r )r rW 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 r )r r r rM r] r r_ r r r r r^ 3 s
zSkipper.end_element_handlerN)r1 r2 r3 r4 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 ZdZdddZdd Zdd Zd d
Zd d Zd
d Z dd Z
dS )FragmentBuilderzBuilder 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| _|| _t| | d S r )r r originalDocumentr r rG r )r r rO r r r r [ s
zFragmentBuilder.__init__c C s t | d | _d S r )rG rN fragmentr r r r rN d s
zFragmentBuilder.resetc C s | | S )zRParse a document fragment from a file object, returning the
fragment node.)r rx r r} r r r r h s zFragmentBuilder.parseFilec C s || _ | }| jj}d}|rV|jp*| }|jrDd|j|jf }qZ|jrZd|j }nd}| }t |||f }z|
|d W n | Y nX | j }| |S )zMParse a document fragment from a string, returning the
fragment node.rw zPUBLIC "%s" "%s"z SYSTEM "%s"r! )
_sourcerT r r r _getDeclarationsr r _getNSattrs_FRAGMENT_BUILDER_TEMPLATEry rN r ) r r rv r Zidentr ZnsattrsrV r r r r r m s.
zFragmentBuilder.parseStringc C s | j jj}d}|rt|jjD ]R}|j|}|r<|d }d||jf }|jrdd||j|j f }q d||j f }q t|j
jD ]}|j
|}|r|d }d||jf }|jrd||j|j f }n&|j rd||j f }nd ||j j f }|j
rd
||j
f }|d }q|S ) zRe-create the internal subset from the DocumentType node.
This is only needed if we don't already have the
internalSubset as a string.
rw 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 ZlengthitemZnodeNamer r r Z
firstChildr r )r r r7 r Znotationr
r r r r s:
z FragmentBuilder._getDeclarationsc C s dS )Nrw r r r r r r s zFragmentBuilder._getNSattrsc C s~ |t krh| j}| j}| j|}| j| _| j | _| j| _z| | jd W 5 || _|| _d | _X dS t
| ||||S d S )Nr! r ) $_FRAGMENT_BUILDER_INTERNAL_SYSTEM_IDrV rW rM ZExternalEntityParserCreater ZcreateDocumentFragmentr r ry rG rp )r r r r r Z old_documentZ old_cur_noderv r r r rp s( z+FragmentBuilder.external_entity_ref_handler)N) r1 r2 r3 r r rN r r r r rp r r r r r R s
$r c @ s8 e Zd ZdZdd Zdd Zdd Zdd Zd
d Zd S )
Namespacesz7Mix-in class for builders; adds support for namespaces.c C s
g | _ d S r )_ns_ordered_prefixesr r r r _initNamespaces s zNamespaces._initNamespacesc C s t jdd}d|_|S )z'Create a new namespace-handling parser.r9 )Znamespace_separatorT)r rP Znamespace_prefixesru r r r rQ s zNamespaces.createParserc C s t | | | jjr | j|_dS )z.Insert the namespace-handlers onto the parser.N)rG rS rH Znamespace_declarations start_namespace_decl_handlerZStartNamespaceDeclHandlerru r r r rS s zNamespaces.installc C s | j ||f dS )z/Push this namespace declaration on our storage.N)r r )r rD rB r r r r s z'Namespaces.start_namespace_decl_handlerc C s d|kr t | |\}}}}nt}|}d }t}t||||}| j|_t| j| || _| j r| j D ]P\}}|rt
t | d| t |d}nt
dt dt}||_
| j|_t|| qb| j d d = |r~| |j} |j}
tdt|dD ]} || } || d }
d| krDt | | \}}}}t
||||}|| |< ||
||f< n$t
| t| t}|| | < ||
t| f< | j|_|
|_
||_qd S )Nr9 xmlns:xmlnsr r; r! )rF r r r ZElementrV r r rW r r r8 r r r
Z_ensure_attributes_attrs_attrsNSr r= Z ownerElement)r r? r rB rC rD rE r r r r r r& r r r r r s^
z Namespaces.start_element_handlerN)
r1 r2 r3 r r rQ rS 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 | | d S r )rG rN r r r r r rN ) s
zExpatBuilderNS.resetN)r1 r2 r3 r rN r r r r r & s r c @ s e Zd ZdZdd Zdd ZdS )FragmentBuilderNSz*Fragment builder that supports namespaces.c C s t | | d S r )r rN r r r r r rN 1 s
zFragmentBuilderNS.resetc C s d}| j }g }|r~t|drv|j D ]N\}}||kr8q&|| |rPd| }nd}|rhd|||f }q&d||f }q&|j}q|S )zNReturn string of namespace attributes from this element and
ancestors.rw _ns_prefix_urir r z%s
%s='%s'z %s='%s')r hasattrr itemsr r )r attrsr r rD rB Zdeclnamer r r r 5 s"
z FragmentBuilderNS._getNSattrsN)r1 r2 r3 r rN r r r r r r . s r c @ s e Zd ZdZdS )r| zEException raised to short-circuit parsing in InternalSubsetExtractor.N)r1 r2 r3 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* zt | | W n tk
r$ Y nX d S r )rG r r| r r r r r ` s z!InternalSubsetExtractor.parseFilec C s* zt | | W n tk
r$ Y nX d S r )rG r r| )r r r r r r f s z#InternalSubsetExtractor.parseStringc C s | j |_| j|_d S r )rZ r[ r r] ru r r r rS l s z InternalSubsetExtractor.installc C s0 |r&| }g | _| jj|_| j|_nt d S r )rT r r ZDefaultHandlerr r r| )r r? r r r rv r r r rZ p s
z2InternalSubsetExtractor.start_doctype_decl_handlerc C s, d | jdddd}|| _t d S )Nrw z
)joinr replacer| )r r7 r r r r z s z0InternalSubsetExtractor.end_doctype_decl_handlerc C s
t d S r )r| )r r? r r r r r s z-InternalSubsetExtractor.start_element_handler) r1 r2 r3 r r r r r rS rZ r r r r r r r W s
r Tc C sL |r t }nt }t| tr>t| d}||}W 5 Q R X n
|| }|S )z{Parse a document, returning the resulting Document node.
'file' may be either a file name or an open file object.
rb)r rG
isinstancestropenr )r}
namespacesr6 fpresultr r r parse s
r c C s |r t }nt }|| S )zOParse a document from a string, returning the resulting
Document node.
)r rG r )r r r6 r r r r s r c C sP |rt |}nt|}t| trBt| d}||}W 5 Q R X n
|| }|S )zParse 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 )r r r r r r )r} r r r6 r r r r r
parseFragment s
r c C s |rt |}nt|}|| S )zParse 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 r6 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 rG )rO 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 ZgetDOMImplementationrU ZTypeInfor$ objectr r8 rF rG r rJ r r r r r r r r r Exceptionr| r r r r r r r r r r <module> sf
3 C
:
u_%,