o
    `^hG                     @   s  d Z ddlZddlZddlZddlmZmZmZmZm	Z	m
Z
mZmZmZ ddlmZ ddlmZ ddlmZ ddlmZ dd	lmZmZmZ dd
lmZ ddlmZmZ dZdZdZ dZ!dZ"dZ#e$dej%Z&edZ'de'de'fddZ(de)dejfddZ*de)de)dedge
e	e)  f fddZ+e(fde)de)deegef dedge
e	e  f fd d!Z,de)de)dedge
eeef  f fd"d#Z-e(fde)de)dee)gef dedge
e f fd$d%Z.G d&d deZ/dS )'zc
Anything related to XMP metadata.

See https://en.wikipedia.org/wiki/Extensible_Metadata_Platform
    N)	AnyCallableDictIteratorListOptionalTypeVarUnioncast)Document)Element)parseString)
ExpatError   )
StreamTypedeprecate_with_replacementdeprecation_with_replacement)PdfReadError)ContentStream	PdfObjectz+http://www.w3.org/1999/02/22-rdf-syntax-ns#z http://purl.org/dc/elements/1.1/zhttp://ns.adobe.com/xap/1.0/zhttp://ns.adobe.com/pdf/1.3/zhttp://ns.adobe.com/xap/1.0/mm/zhttp://ns.adobe.com/pdfx/1.3/a{  
        (?P<year>[0-9]{4})
        (-
            (?P<month>[0-9]{2})
            (-
                (?P<day>[0-9]+)
                (T
                    (?P<hour>[0-9]{2}):
                    (?P<minute>[0-9]{2})
                    (:(?P<second>[0-9]{2}(.[0-9]+)?))?
                    (?P<tzd>Z|[-+][0-9]{2}:[0-9]{2})
                )?
            )?
        )?
        Kvaluereturnc                 C   s   | S N )r   r   r   H/home/air/shanriGPT/back/venv/lib/python3.10/site-packages/PyPDF2/xmp.py	_identityU   s   r   c              	   C   s$  t | }|d u rtd|  t|d}t|dpd}t|dp'd}t|dp0d}t|dp9d}t|d	pCd}|tj}|| d
 }	t|}
t|	}|dp_d}t		||||||
|}|dkrdd |
dD \}}|d9 }|dk r|d9 }|t	j||d }|S )NzInvalid date format: yearmonth1dayhour0minutesecondi@B tzdZc                 s   s    | ]}t |V  qd S r   )int).0xr   r   r   	<genexpr>l   s    z"_converter_date.<locals>.<genexpr>:r   )hoursminutes)iso8601match
ValueErrorr'   groupdecimalDecimalto_integralROUND_FLOORdatetimesplit	timedelta)r   matchesr   r   r    r!   r#   r$   seconds_decmilliseconds_decsecondsmillisecondsr%   dt	tzd_hourstzd_minutesr   r   r   _converter_dateY   s,   
rB   	namespacenameXmpInformationc                    s$   dddt tt  f fdd}|S )NselfrE   r   c           	         s   | j i  }|r|S g }| d D ]$}|td}t|r;|D ]}|tdD ]}| |}|| q-q%q| j i }|| < |S )N Bagli	cachegetget_elementgetElementsByTagNameNSRDF_NAMESPACElen	_get_textappend
setdefault)	rF   cachedretvalelementbagsbagitemr   ns_cacherD   rC   r   r   rL   w   s    
z_getter_bag.<locals>.get)r   r   strrC   rD   rL   r   r[   r   _getter_bagt   s    r^   	converterc                    s&   dddt tt  f fdd}|S )NrF   rE   r   c           	         s   | j i }|r|S g }| dD ]5}|td}t|r@|D ]}|tdD ]}| |} |}|| q-q%q | |}|| q| j i }||< |S )NrG   SeqrI   rJ   )	rF   rT   rU   rV   seqsseqrY   r   rZ   r_   rD   rC   r   r   rL      s&   
z_getter_seq.<locals>.get)r   r   r   rC   rD   r_   rL   r   rc   r   _getter_seq   s   "re   c                    s(   dddt tttf  f fdd}|S )NrF   rE   r   c           	         s   | j i  }|r|S i }| d D ].}|td}t|r>|D ]}|tdD ]}| |}|||d< q-q%q| ||d< q| j i }|| < |S )NrG   AltrI   zxml:langz	x-default)	rK   rL   rM   rN   rO   rP   rQ   getAttributerS   )	rF   rT   rU   rV   altsaltrY   r   rZ   r[   r   r   rL      s"   
z_getter_langalt.<locals>.get)r   r   r   r]   r   r[   r   _getter_langalt   s   $rj   c                    s"   dddt t f fdd}|S )NrF   rE   r   c                    s|   | j i }|r|S d }| dD ]}|j|jkr#|j}n| |} |d ur1 |}| j i }||< |S NrG   )rK   rL   rM   nodeTypeATTRIBUTE_NODE	nodeValuerQ   rS   )rF   rT   r   rV   rZ   rc   r   r   rL      s   
z_getter_single.<locals>.get)r   r   rd   r   rc   r   _getter_single   s   ro   c                	   @   s  e Zd ZdZdeddfddZedefddZde	d	e
deef ddfd
dZde	d	e
deef ddfddZdedededee fddZdedededee fddZdededee fddZdededee fddZdedefddZeeedZ	 eeedZ	 eeedZ	 eeed eZ	 eeed!Z 	 eeed"Z!	 eeed#Z"	 eeed$Z#	 eeed%Z$	 eeed&Z%	 eeed'Z&	 eeed(Z'	 eeed)Z(	 eeed*Z)	 eeed+Z*	 eee+d,Z,	 eee+d-Z-	 eee+d.Z.	 eee/d/eZ0	 ede1j1fd0d1Z2e2j3d2e1j1ddfd3d1Z2eee/d4eZ4	 ede1j1fd5d6Z5e5j3d2e1j1ddfd7d6Z5eee/d8eZ6	 ede1j1fd9d:Z7e7j3d2e1j1ddfd;d:Z7eee/d<Z8	 edefd=d>Z9e9j3d2eddfd?d>Z9eee:d@Z;	 edefdAdBZ<e<j3d2eddfdCdBZ<eee:dDZ=	 edefdEdFZ>e>j3d2eddfdGdFZ>ede?eef fdHdIZ@dS )JrE   z
    An object that represents Adobe XMP metadata.
    Usually accessed by :py:attr:`xmp_metadata()<PyPDF2.PdfReader.xmp_metadata>`

    :raises PdfReadError: if XML is invalid
    streamr   Nc              
   C   s`   || _ z| j  }t|}W n ty! } ztd| d }~ww |tdd | _i | _d S )Nz#XML in XmpInformation was invalid: RDFr   )	rp   get_datar   r   r   rN   rO   rdf_rootrK   )rF   rp   datadoc_rooter   r   r   __init__   s   

zXmpInformation.__init__c                 C      t ddd | jS )NrdfRootrs   4.0.0)r   rs   rF   r   r   r   ry         zXmpInformation.rdfRootencryption_keyc                 C   s   | j || d S r   )rp   write_to_streamrF   rp   r}   r   r   r   r~      s   zXmpInformation.write_to_streamc                 C   s   t ddd | || dS )zZ
        .. deprecated:: 1.28.0

            Use :meth:`write_to_stream` instead.
        writeToStreamr~   3.0.0N)r   r~   r   r   r   r   r      s   zXmpInformation.writeToStream	about_urirC   rD   c                 c   sV    | j tdD ] }|td|kr(|||}|d ur|V  |||E d H  qd S NDescriptionabout)rs   rN   rO   getAttributeNSgetAttributeNodeNS)rF   r   rC   rD   descattrr   r   r   rM      s   zXmpInformation.get_elementaboutUric                 C   s   t ddd | |||S )zV
        .. deprecated:: 1.28.0

            Use :meth:`get_element` instead.
        
getElementrM   r   )r   rM   )rF   r   rC   rD   r   r   r   r     s   zXmpInformation.getElementc                 c   st    | j tdD ]/}|td|kr7t|jjD ]}|j|}|j|kr(|V  q|j	D ]
}|j|kr6|V  q,qd S r   )
rs   rN   rO   r   range
attributeslengthrY   namespaceURI
childNodes)rF   r   rC   r   ir   childr   r   r   get_nodes_in_namespace  s   


z%XmpInformation.get_nodes_in_namespacec                 C   s   t ddd | ||S )za
        .. deprecated:: 1.28.0

            Use :meth:`get_nodes_in_namespace` instead.
        getNodesInNamespacer   r   )r   r   )rF   r   rC   r   r   r   r     s   z"XmpInformation.getNodesInNamespacerV   c                 C   s*   d}|j D ]}|j|jkr||j7 }q|S rk   )r   rl   	TEXT_NODErt   )rF   rV   textr   r   r   r   rQ   '  s   

zXmpInformation._get_textcontributorcoveragecreatordatedescriptionformat
identifierlanguage	publisherrelationrightssourcesubjecttitletypeKeywords
PDFVersionProducer
CreateDatec                 C   rx   Nxmp_createDatexmp_create_daterz   r   r   r{   r   r   r   r     r|   zXmpInformation.xmp_createDater   c                 C      t ddd || _d S r   r   rF   r   r   r   r   r        

ModifyDatec                 C   rx   Nxmp_modifyDatexmp_modify_daterz   r   r   r{   r   r   r   r     r|   zXmpInformation.xmp_modifyDatec                 C   r   r   r   r   r   r   r   r     r   MetadataDatec                 C   rx   Nxmp_metadataDatexmp_metadata_daterz   r   r   r{   r   r   r   r     r|   zXmpInformation.xmp_metadataDatec                 C   r   r   r   r   r   r   r   r     r   CreatorToolc                 C   rx   Nxmp_creatorToolxmp_creator_toolr   r   r   r{   r   r   r   r     r|   zXmpInformation.xmp_creatorToolc                 C   r   r   r   r   r   r   r   r     r   
DocumentIDc                 C   rx   Nxmpmm_documentIdxmpmm_document_idr   r   r   r{   r   r   r   r     r|   zXmpInformation.xmpmm_documentIdc                 C   r   r   r   r   r   r   r   r     r   
InstanceIDc                 C   s   t ddd tt| jS Nxmpmm_instanceIdxmpmm_instance_idr   )r   r
   r\   r   r{   r   r   r   r     s   zXmpInformation.xmpmm_instanceIdc                 C   r   r   )r   r   r   r   r   r   r     r   c                 C   s   t | dsRi | _| dtD ]C}|j}	 |d}|dkrn|d| tt||d |d  d	d
 ||d d  }q|j|j	krG|j
}n| |}|| j|< q| jS )z
        Retrieve custom metadata properties defined in the undocumented pdfx
        metadata schema.

        :return: a dictionary of key/value items for custom metadata properties.
        _custom_propertiesrG   Tu   ↂr,   Nr         )base)hasattrr   r   PDFX_NAMESPACE	localNamefindchrr'   rl   rm   rn   rQ   )rF   nodekeyidxr   r   r   r   custom_properties  s(   




z XmpInformation.custom_properties)A__name__
__module____qualname____doc__r   rw   property
XmlElementry   r   r	   r\   bytesr~   r   r   r   rM   r   r   r   rQ   r^   DC_NAMESPACEdc_contributorro   dc_coveragere   
dc_creatorrB   dc_daterj   dc_description	dc_formatdc_identifierdc_languagedc_publisherdc_relation	dc_rights	dc_source
dc_subjectdc_titledc_typePDF_NAMESPACEpdf_keywordspdf_pdfversionpdf_producerXMP_NAMESPACEr   r7   r   setterr   r   r   r   r   r   XMPMM_NAMESPACEr   r   r   r   r   r   r   r   r   r   rE      s    






)0r   r7   r3   retypingr   r   r   r   r   r   r   r	   r
   xml.dom.minidomr   r   r   r   xml.parsers.expatr   _utilsr   r   r   errorsr   genericr   r   rO   r   r   r   r   r   compileVERBOSEr/   r   r   r\   rB   r^   re   rj   ro   rE   r   r   r   r   <module>   sx    ,



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