o
    ag7                     @   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 ddlmZmZ ddl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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 )&z~
Anything related to Extensible Metadata Platform (XMP) metadata.

https://en.wikipedia.org/wiki/Extensible_Metadata_Platform
    N)AnyCallableDictIteratorListOptionalTypeVarUnion)DocumentparseString)Element)
ExpatError   )
StreamTypedeprecate_no_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   c/var/www/eduai.edurigo.com/doc_train/edurigo_ai/Puru/venv/lib/python3.10/site-packages/pypdf/xmp.py	_identityM   s   r   c              	   C   s$  t | }|d u rtd|  t|d}t|dpd}t|dp'd}t|dp0d}t|dp9d}t|d	pCd}|tj}|| d
 }	t|}
t|	}|dp_d}t		||||||
|}|dkrdd |
dD \}}|d9 }|dk r|d9 }|t	j||d }|S )NzInvalid date format: yearmonth1dayhour0minutesecondi@B tzdZc                 s   s    | ]}t |V  qd S r   )int).0xr   r   r   	<genexpr>d   s    z"_converter_date.<locals>.<genexpr>:r   )hoursminutes)iso8601match
ValueErrorr%   groupdecimalDecimalto_integralROUND_FLOORdatetimesplit	timedelta)r   matchesr   r   r   r   r!   r"   seconds_decmilliseconds_decsecondsmillisecondsr#   dt	tzd_hourstzd_minutesr   r   r   _converter_dateQ   s,   
r@   	namespacenameXmpInformationc                    s$   dddt tt  f fdd}|S )NselfrC   r   c           	         s   | j i  }|r|S g }| d D ]$}|td}t|r;|D ]}|tdD ]}| |}|| q-q%q| j i }|| < |S )N Bagli	cachegetget_elementgetElementsByTagNameNSRDF_NAMESPACElen	_get_textappend
setdefault)	rD   cachedretvalelementbagsbagitemr   ns_cacherB   rA   r   r   rJ   o   s    
z_getter_bag.<locals>.get)r   r   strrA   rB   rJ   r   rY   r   _getter_bagl   s    r\   	converterc                    s&   dddt tt  f fdd}|S )NrD   rC   r   c           	         s   | j i }|r|S g }| dD ]5}|td}t|r@|D ]}|tdD ]}| |} |}|| q-q%q | |}|| q| j i }||< |S )NrE   SeqrG   rH   )	rD   rR   rS   rT   seqsseqrW   r   rX   r]   rB   rA   r   r   rJ      s&   
z_getter_seq.<locals>.get)r   r   r   rA   rB   r]   rJ   r   ra   r   _getter_seq   s   "rc   c                    s(   dddt tttf  f fdd}|S )NrD   rC   r   c           	         s   | j i  }|r|S i }| d D ].}|td}t|r>|D ]}|tdD ]}| |}|||d< q-q%q| ||d< q| j i }|| < |S )NrE   AltrG   zxml:langz	x-default)	rI   rJ   rK   rL   rM   rN   rO   getAttributerQ   )	rD   rR   rS   rT   altsaltrW   r   rX   rY   r   r   rJ      s"   
z_getter_langalt.<locals>.get)r   r   r   r[   r   rY   r   _getter_langalt   s   $rh   c                    s"   dddt t f fdd}|S )NrD   rC   r   c                    s|   | j i }|r|S d }| dD ]}|j|jkr#|j}n| |} |d ur1 |}| j i }||< |S NrE   )rI   rJ   rK   nodeTypeATTRIBUTE_NODE	nodeValuerO   rQ   )rD   rR   r   rT   rX   ra   r   r   rJ      s   
z_getter_single.<locals>.get)r   r   rb   r   ra   r   _getter_single   s   rm   c                	   @   s2  e Zd ZdZdeddfddZ	d.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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Z,	 eee+d'eZ-	 eee+d(eZ.	 eee+d)Z/	 eee0d*Z1	 eee0d+Z2	 ede3eef fd,d-Z4dS )/rC   z
    An object that represents Extensible Metadata Platform (XMP) metadata.
    Usually accessed by :py:attr:`xmp_metadata()<pypdf.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   )	rn   get_datar   r   r   rL   rM   rdf_rootrI   )rD   rn   datadoc_rooter   r   r   __init__   s   

zXmpInformation.__init__encryption_keyc                 C   s"   |d ur	t dd | j| d S )Nz/the encryption_key parameter of write_to_streamz5.0.0)r   rn   write_to_stream)rD   rn   rv   r   r   r   rw      s
   zXmpInformation.write_to_stream	about_urirA   rB   c                 c   sV    | j tdD ] }|td|kr(|||}|d ur|V  |||E d H  qd S NDescriptionabout)rq   rL   rM   getAttributeNSgetAttributeNodeNS)rD   rx   rA   rB   descattrr   r   r   rK      s   zXmpInformation.get_elementc                 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 ry   )
rq   rL   rM   r|   range
attributeslengthrW   namespaceURI
childNodes)rD   rx   rA   r~   ir   childr   r   r   get_nodes_in_namespace   s   


z%XmpInformation.get_nodes_in_namespacerT   c                 C   s*   d}|j D ]}|j|jkr||j7 }q|S ri   )r   rj   	TEXT_NODErr   )rD   rT   textr   r   r   r   rO      s   

zXmpInformation._get_textcontributorcoveragecreatordatedescriptionformat
identifierlanguage	publisherrelationrightssourcesubjecttitletypeKeywords
PDFVersionProducer
CreateDate
ModifyDateMetadataDateCreatorTool
DocumentID
InstanceIDc                 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.

        Returns:
            A dictionary of key/value items for custom metadata properties.

        _custom_propertiesrE   Tu   ↂr*   Nr         )base)hasattrr   r   PDFX_NAMESPACE	localNamefindchrr%   rj   rk   rl   rO   )rD   nodekeyidxr   r   r   r   custom_propertiesm  s(   





z XmpInformation.custom_propertiesr   )5__name__
__module____qualname____doc__r   ru   r   r	   rZ   bytesrw   r   r   rK   r   
XmlElementrO   propertyr\   DC_NAMESPACEdc_contributorrm   dc_coveragerc   
dc_creatorr@   dc_daterh   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_NAMESPACExmp_create_datexmp_modify_datexmp_metadata_datexmp_creator_toolXMPMM_NAMESPACExmpmm_document_idxmpmm_instance_idr   r   r   r   r   r   rC      s    	
	


).r   r5   r1   retypingr   r   r   r   r   r   r   r	   xml.dom.minidomr
   r   r   r   xml.parsers.expatr   _utilsr   r   errorsr   genericr   r   rM   r   r   r   r   r   compileVERBOSEr-   r   r   rZ   r@   r\   rc   rh   rm   rC   r   r   r   r   <module>   sv    (




