U
    <g7                  	   @   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$edZ%e%e%dddZ&e'ejdddZ(e'e'edge
e	e'  f dddZ)e&fe'e'eegef edge
e	e  f dddZ*e'e'edge
eeef  f ddd Z+e&fe'e'ee'gef edge
e f dd!d"Z,G d#d deZ-dS )$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   -/tmp/pip-unpacked-wheel-wu2fni14/pypdf/xmp.py	_identityM   s    r   c              	   C   s(  t | }|d kr td|  t|d}t|dp<d}t|dpNd}t|dp`d}t|dprd}t|d	pd}|tj}|| d
 }	t|}
t|	}|dpd}t		||||||
|}|dkr$dd |
dD \}}|d9 }|dk r|d9 }|t	j||d }|S )NzInvalid date format: yearmonth1dayhour0minutesecondi@B tzdZc                 s   s   | ]}t |V  qd S r   )int).0xr   r   r   	<genexpr>d   s     z"_converter_date.<locals>.<genexpr>:r   )hoursminutes)iso8601match
ValueErrorr%   groupdecimalDecimalto_integralROUND_FLOORdatetimesplit	timedelta)r   matchesr   r   r   r   r!   r"   Zseconds_decZmilliseconds_decsecondsZmillisecondsr#   dtZ	tzd_hoursZtzd_minutesr   r   r   _converter_dateQ   s,    


r;   XmpInformation)	namespacenamer   c                    s"   dt tt  d fdd}|S )Nr<   selfr   c           	         s   | j i  }|r|S g }| d D ]H}|td}t|r.|D ]*}|tdD ]}| |}|| qZqJq.| j i }|| < |S )N ZBagli	cachegetget_elementgetElementsByTagNameNSRDF_NAMESPACElen	_get_textappend
setdefault)	r@   cachedretvalelementZbagsZbagitemr   ns_cacher>   r=   r   r   rE   o   s    
z_getter_bag.<locals>.get)r   r   strr=   r>   rE   r   rR   r   _getter_bagl   s    rU   )r=   r>   	converterr   c                    s$   dt tt  d fdd}|S )Nr<   r?   c           	         s   | j i }|r|S g }| dD ]j}|td}t|r|D ]2}|tdD ] }| |} |}|| qZqJq. | |}|| q.| j i }||< |S )NrA   ZSeqrB   rC   )	r@   rM   rN   rO   ZseqsseqrP   r   rQ   rV   r>   r=   r   r   rE      s"    
z_getter_seq.<locals>.get)r   r   r   r=   r>   rV   rE   r   rX   r   _getter_seq   s     rZ   c                    s&   dt tttf  d fdd}|S )Nr<   r?   c           	         s   | j i  }|r|S i }| d D ]\}|td}t|r||D ].}|tdD ]}| |}|||d< qZqJq.| ||d< q.| j i }|| < |S )NrA   ZAltrB   zxml:langz	x-default)	rD   rE   rF   rG   rH   rI   rJ   getAttributerL   )	r@   rM   rN   rO   ZaltsZaltrP   r   rQ   rR   r   r   rE      s    
z_getter_langalt.<locals>.get)r   r   r   rT   r   rR   r   _getter_langalt   s    "r\   c                    s    dt t d fdd}|S )Nr<   r?   c                    s   | j i }|r|S d }| dD ]&}|j|jkrF|j}n
| |} qVq.|d k	rf |}| j i }||< |S NrA   )rD   rE   rF   nodeTypeATTRIBUTE_NODE	nodeValuerJ   rL   )r@   rM   r   rO   rQ   rX   r   r   rE      s    
z_getter_single.<locals>.get)r   r   rY   r   rX   r   _getter_single   s    ra   c                   @   s  e Zd ZdZeddddZd-eedee	f ddddZ
eeeee d	d
dZeeee dddZeed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(Z1eee0d)Z2ee3eef d*d+d,Z4dS ).r<   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

    N)streamr   c              
   C   sj   || _ z| j  }t|}W n0 tk
rL } ztd| W 5 d }~X Y nX |tdd | _i | _d S )Nz#XML in XmpInformation was invalid: ZRDFr   )	rb   get_datar   r   r   rG   rH   rdf_rootrD   )r@   rb   dataZdoc_rooter   r   r   __init__   s    
  zXmpInformation.__init__)rb   encryption_keyr   c                 C   s"   |d k	rt dd | j| d S )Nz/the encryption_key parameter of write_to_streamz5.0.0)r   rb   write_to_stream)r@   rb   rh   r   r   r   ri      s     zXmpInformation.write_to_stream)	about_urir=   r>   r   c                 c   sT   | j tdD ]@}|td|kr|||}|d k	r<|V  |||E d H  qd S NDescriptionZabout)rd   rG   rH   getAttributeNSZgetAttributeNodeNS)r@   rj   r=   r>   descattrr   r   r   rF      s    zXmpInformation.get_element)rj   r=   r   c                 c   sr   | j tdD ]^}|td|krt|jjD ] }|j|}|j|kr.|V  q.|j	D ]}|j|krV|V  qVqd S rk   )
rd   rG   rH   rm   range
attributeslengthrP   ZnamespaceURI
childNodes)r@   rj   r=   rn   iro   childr   r   r   get_nodes_in_namespace   s    


z%XmpInformation.get_nodes_in_namespace)rO   r   c                 C   s*   d}|j D ]}|j|jkr
||j7 }q
|S r]   )rs   r^   Z	TEXT_NODEre   )r@   rO   textru   r   r   r   rJ      s
    
zXmpInformation._get_textZcontributorZcoverageZcreatordatedescriptionformat
identifierlanguageZ	publisherZrelationZrightssourcesubjecttitletypeZKeywordsZ
PDFVersionZProducerZ
CreateDateZ
ModifyDateZMetadataDateZCreatorToolZ
DocumentIDZ
InstanceID)r   c                 C   s   t | dsi | _| dtD ]}|j}|d}|dkr:qx|d| tt||d |d  dd	 ||d d  }q&|j|j	kr|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_propertiesrA   u   ↂr*   Nr         )base)hasattrr   rv   PDFX_NAMESPACEZ	localNamefindchrr%   r^   r_   r`   rJ   )r@   nodekeyidxr   r   r   r   custom_propertiesm  s$    




z XmpInformation.custom_properties)N)5__name__
__module____qualname____doc__r   rg   r   r	   rS   bytesri   r   r   rF   rv   
XmlElementrJ   propertyrU   DC_NAMESPACEZdc_contributorra   Zdc_coveragerZ   Z
dc_creatorr;   Zdc_dater\   Zdc_descriptionZ	dc_formatZdc_identifierZdc_languageZdc_publisherZdc_relationZ	dc_rightsZ	dc_sourceZ
dc_subjectZdc_titleZdc_typePDF_NAMESPACEZpdf_keywordsZpdf_pdfversionZpdf_producerXMP_NAMESPACEZxmp_create_dateZxmp_modify_dateZxmp_metadata_dateZxmp_creator_toolXMPMM_NAMESPACEZxmpmm_document_idZxmpmm_instance_idr   r   r   r   r   r   r<      sV   	  	
	
	
	).r   r5   r1   retypingr   r   r   r   r   r   r   r	   Zxml.dom.minidomr
   r   r   r   xml.parsers.expatr   _utilsr   r   errorsr   Zgenericr   r   rH   r   r   r   r   r   compileVERBOSEr-   r   r   rS   r;   rU   rZ   r\   ra   r<   r   r   r   r   <module>   s\   (
      