o
    liv                     @   s  d dl Z d dlZd dlZd dlZd dl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mZmZmZmZmZ ejdd dkrJd dl
mZ nd dlmZ dd	lmZ dd
lmZmZ ddlmZmZmZmZm Z  ddl!m"Z"m#Z#m$Z$ dZ%dZ&G dd deZ'G dd de'Z(G dd de'Z)G dd de'Z*dZ+G dd de,e'Z-G dd de.e'Z/G dd de0e'Z1G dd de2e'Z3G d d! d!e2e'Z4d"e2d#e0fd$d%Z5d&ed#eede(e*f  fd'd(Z6dS ))    N)	unhexlify)log10)iter_unpack)AnyCallableClassVarDictOptionalSequenceUnioncast   )   
   )	TypeGuard_pdfdoc_encoding_rev)PdfObjectProtocolPdfWriterProtocol)
StreamTypedeprecate_no_replacementlogger_warningread_non_whitespaceread_until_regex)STREAM_TRUNCATED_PREMATURELYPdfReadErrorPdfStreamErrorzMathieu Fenniakzbiziqe@mathieu.fenniak.netc                   @   s   e Zd ZU ejZed ed< ed ed< de	fddZ
defdd	Zdefd
dZdedd fddZ		ddededeeeee	f   dd fddZ	d dedededefddZded  fddZ	d!dededeef ddfddZdS )"	PdfObject).zhashlib._Hash	hash_funcIndirectObjectindirect_referencereturnc                 C      t | jj d)q
        Used to detect modified object.

        Returns:
            Hash considering type and value.

        z& does not implement .hash_bin() so farNotImplementedError	__class____name__self r*   R/var/www/html/pca-backend/venv/lib/python3.10/site-packages/pypdf/generic/_base.pyhash_bin>   s   zPdfObject.hash_binc                 C   s   d|    S )Nz%s)encoder(   r*   r*   r+   hash_value_dataJ      zPdfObject.hash_value_datac                 C   s"   d| j j| |   f  S )Nz%s:%s)r&   r'   r   r.   	hexdigestr-   r(   r*   r*   r+   
hash_valueM   s   zPdfObject.hash_valuepdf_destc                 C   s
   |  |S )a/  
        Clone object into pdf_dest (PdfWriterProtocol which is an interface for PdfWriter)
        without ensuring links. This is used in clone_document_from_root with incremental = True.

        Args:
          pdf_dest: Target to clone to.

        Returns:
          The cloned PdfObject

        )cloner)   r2   r*   r*   r+   	replicateV   s   
zPdfObject.replicateFr*   force_duplicateignore_fieldsc                 C   r"   )a  
        Clone object into pdf_dest (PdfWriterProtocol which is an interface for PdfWriter).

        By default, this method will call ``_reference_clone`` (see ``_reference``).


        Args:
          pdf_dest: Target to clone to.
          force_duplicate: By default, if the object has already been cloned and referenced,
            the copy will be returned; when ``True``, a new copy will be created.
            (Default value = ``False``)
          ignore_fields: List/tuple of field names (for dictionaries) that will be ignored
            during cloning (applies to children duplication as well). If fields are to be
            considered for a limited number of levels, you have to add it as integer, for
            example ``[1,"/B","/TOTO"]`` means that ``"/B"`` will be ignored at the first
            level only but ``"/TOTO"`` on all levels.

        Returns:
          The cloned PdfObject

        z! does not implement .clone so farr$   r)   r2   r6   r7   r*   r*   r+   r3   g   s   zPdfObject.cloner3   c                 C   sx  z|s|j j|kr|W S W n	 ty   Y nw z| j }W n ty'   | Y S w |jrA|durA|j|jkrA|jt|jkrA|j}nt|jd }|durt	|j|j
vrgi |j
t	|j< |j|j
t	|j d< |s|j|j
t	|j v r||j
t	|j |j }|dusJ |S ||j
t	|j |j< z	||j|d < W n ty   |j| t|j}Y nw t|d||_ |S )aX  
        Reference the object within the _objects of pdf_dest only if
        indirect_reference attribute exists (which means the objects was
        already identified in xref/xobjstm) if object has been already
        referenced do nothing.

        Args:
          clone:
          pdf_dest:

        Returns:
          The clone

        N   	PreventGCr   )r    pdf	ExceptionAttributeErrorincremental_readeridnumlen_objectsid_id_translated
get_object
IndexErrorappendr   )r)   r3   r2   r6   indiobjr*   r*   r+   _reference_clone   sP   
zPdfObject._reference_clonec                 C      | S )zResolve indirect references.r*   r(   r*   r*   r+   rE         zPdfObject.get_objectNstreamencryption_keyc                 C   s   t N)r%   r)   rN   rO   r*   r*   r+   write_to_stream      zPdfObject.write_to_streamFr*   )FrP   )r'   
__module____qualname__hashlibsha1r   r   __annotations__r	   intr,   bytesr.   r1   r   r5   boolr
   r   strr3   r   r   rK   rE   r   rR   r*   r*   r*   r+   r   9   sR   
 	

 
:r   c                   @   s   e Zd Z		ddededeeeee	f   dd fddZ
de	fd	d
Z	ddededeef ddfddZededd fddZdefddZdS )
NullObjectFr*   r2   r6   r7   r!   c                 C   s   t d| t ||S )Clone object into pdf_dest.r^   )r   rK   r^   r8   r*   r*   r+   r3      s   zNullObject.clonec                 C   s   t | jfS r#   hashr&   r(   r*   r*   r+   r,      s   zNullObject.hash_binNrN   rO   c                 C   s    |d ur	t dd |d d S )N/the encryption_key parameter of write_to_stream5.0.0   null)r   writerQ   r*   r*   r+   rR      s
   zNullObject.write_to_streamc                 C   s    |  d}|dkrtdt S )N   re   zCould not read Null object)readr   r^   )rN   nulltxtr*   r*   r+   read_from_stream   s   
zNullObject.read_from_streamc                 C   s   dS )Nr^   r*   r(   r*   r*   r+   __repr__   s   zNullObject.__repr__rT   rP   )r'   rU   rV   r   r\   r	   r
   r   r]   rZ   r3   r,   r   r[   rR   staticmethodrj   rk   r*   r*   r*   r+   r^      s0    

	r^   c                   @   s   e Zd ZdeddfddZ		dded	ed
eee	e
ef   dd fddZdefddZdedefddZde
fddZ	ddede	de
ef ddfddZededd fddZdS )BooleanObjectvaluer!   Nc                 C   s
   || _ d S rP   rn   )r)   rn   r*   r*   r+   __init__   s   
zBooleanObject.__init__Fr*   r2   r6   r7   c                 C   s   t d| t| j||S )r_   rm   )r   rK   rm   rn   r8   r*   r*   r+   r3      s   zBooleanObject.clonec                 C      t | j| jfS r`   )rb   r&   rn   r(   r*   r*   r+   r,        zBooleanObject.hash_bin_BooleanObject__oc                 C   s.   t |tr| j|jkS t |tr| j|kS dS )NF)
isinstancerm   rn   r\   )r)   rs   r*   r*   r+   __eq__  s
   


zBooleanObject.__eq__c                 C   s   | j rdS dS )NTrueFalsero   r(   r*   r*   r+   rk     s   zBooleanObject.__repr__rN   rO   c                 C   s4   |d ur	t dd | jr|d d S |d d S )Nrc   rd      trues   false)r   rn   rf   rQ   r*   r*   r+   rR     s   zBooleanObject.write_to_streamc                 C   s<   |  d}|dkrtdS |dkr|  d tdS td)Nrg   rx   Ts   falsr9   FzCould not read Boolean object)rh   rm   r   )rN   wordr*   r*   r+   rj   %  s   

zBooleanObject.read_from_streamrT   rP   )r'   rU   rV   r   rp   r   r\   r	   r
   r   r]   rZ   r3   r,   objectru   rk   r   r[   rR   rl   rj   r*   r*   r*   r+   rm      s4    


rm   c                   @   sx  e Zd ZdedededdfddZdefdd	Zdefd
dZdeddfddZ			d6dede
deeeeef   dd fddZed7ddZded fddZdedd fddZded fddZdedefd d!Zd"edefd#d$Zdefd%d&Zdefd'd(Zdefd)d*Zd+ede
fd,d-Zd+ede
fd.d/Z	d8d0ed1edeef ddfd2d3Ze d0ededd fd4d5Z!dS )9r   r@   
generationr;   r!   Nc                 C   s   || _ || _|| _d S rP   )r@   r{   r;   )r)   r@   r{   r;   r*   r*   r+   rp   2  s   
zIndirectObject.__init__c                 C   s   t | j| jt| jfS rP   )rb   r@   r{   rC   r;   r(   r*   r*   r+   __hash__7  s   zIndirectObject.__hash__c                 C   s   t | j| j| jt| jfS r`   )rb   r&   r@   r{   rC   r;   r(   r*   r*   r+   r,   :  s   zIndirectObject.hash_binr2   r   c                 C   s   t | j| j|S rP   )r   r@   r{   r4   r*   r*   r+   r5   D  s   zIndirectObject.replicateFr*   r6   r7   c                 C   s   | j |kr	|s	| S t| j |jvri |jt| j < | j|jt| j  v rN||jt| j  | j }|rM|dus:J |jdusAJ |j}t|j|j|j S n |  }|du rdt }t	| tfsaJ | |_|
||||}|dustJ |jdus{J |jS )r_   N)r;   rC   rD   r@   rE   r    r   r{   r^   rt   _add_objectr3   )r)   r2   r6   r7   dupidrefrJ   r*   r*   r+   r3   J  s.   zIndirectObject.clonec                 C   rL   rP   r*   r(   r*   r*   r+   r    n  rM   z!IndirectObject.indirect_referencec                 C   s   | j | S rP   )r;   rE   r(   r*   r*   r+   rE   r  r/   zIndirectObject.get_objectmemoc                 C   s   t | j| j| jS rP   )r   r@   r{   r;   )r)   r   r*   r*   r+   __deepcopy__u     zIndirectObject.__deepcopy__c                 C   s0   |   }t|trt|   d|  |S )Nz references an IndirectObject )rE   rt   r   r   rk   )r)   or*   r*   r+   _get_object_with_checkx  s   
z%IndirectObject._get_object_with_checknamec                 C   s0   zt |  |W S  ty   td| dw )NzNo attribute z* found in IndirectObject or pointed object)getattrr   r=   )r)   r   r*   r*   r+   __getattr__  s   
zIndirectObject.__getattr__keyc                 C   s   |   | S rP   )r   )r)   r   r*   r*   r+   __getitem__     zIndirectObject.__getitem__c                 C      |    S rP   )rE   	__float__r(   r*   r*   r+   r     r   zIndirectObject.__float__c                 C   r   rP   )rE   __str__r(   r*   r*   r+   r     r   zIndirectObject.__str__c                 C   s"   d| j d| jdt| j dS )NzIndirectObject(z, ))r@   r{   rC   r;   r(   r*   r*   r+   rk     s   "zIndirectObject.__repr__otherc                 C   s6   |d uot |to| j|jko| j|jko| j|ju S rP   )rt   r   r@   r{   r;   r)   r   r*   r*   r+   ru     s   


zIndirectObject.__eq__c                 C   s   |  | S rP   )ru   r   r*   r*   r+   __ne__  r/   zIndirectObject.__ne__rN   rO   c                 C   s4   |d ur	t dd || j d| j d  d S )Nrc   rd    z R)r   rf   r@   r{   r-   rQ   r*   r*   r+   rR     s
   "zIndirectObject.write_to_streamc                 C   s   d}	 |  d}|stt| rn||7 }qd}	 |  d}|s&tt| r.|s-qn||7 }qt| }|dkrFtdt|   tt	|t	||S )N    Tr9      Rz0Error reading indirect object reference at byte )
rh   r   r   isspacer   r   hextellr   rZ   )rN   r;   r@   tokr{   rr*   r*   r+   rj     s4   

	zIndirectObject.read_from_streamrT   )r!   r   rP   )"r'   rU   rV   rZ   r   rp   r|   r,   r   r5   r\   r	   r
   r   r]   r3   propertyr    rE   r   r   r   r   r   r   rk   rz   ru   r   r   r[   rR   rl   rj   r*   r*   r*   r+   r   1  sT    

	
$			
	r      c                   @   s   e Zd Z	ddedee dd fddZ			dd
ededeeee	e
f   dd fddZde
fddZde	fddZde	fddZdefddZ	ddedede	ef ddfddZdS )FloatObject0.0Nrn   contextr!   c              
   C   s^   zt |}t | |W S  ty. } zt| d| dt t | dW  Y d }~S d }~ww )Nz : FloatObject (z) invalid; use 0.0 insteadg        )float__new__r<   r   r'   )clsrn   r   er*   r*   r+   r     s   zFloatObject.__new__Fr*   r2   r6   r7   c                 C      t d| t| ||S )r_   r   )r   rK   r   r8   r*   r*   r+   r3        zFloatObject.clonec                 C   rq   r`   rb   r&   
as_numericr(   r*   r*   r+   r,     rr   zFloatObject.hash_binc                 C   sF   | dkrdS t ttt|  }| dtd| ddd}|S )Nr   r   .r9   f0)FLOAT_WRITE_PRECISIONrZ   r   absmaxrstrip)r)   nbsr*   r*   r+   myrepr  s
   "zFloatObject.myreprc                 C   s   |   S rP   )r   r(   r*   r*   r+   rk        zFloatObject.__repr__c                 C   s   t | S rP   )r   r(   r*   r*   r+   r     r   zFloatObject.as_numericrN   rO   c                 C   s*   |d ur	t dd ||  d d S Nrc   rd   utf8)r   rf   r   r-   rQ   r*   r*   r+   rR     
   zFloatObject.write_to_stream)r   NrT   rP   )r'   rU   rV   r   r	   r   r\   r
   r   r]   rZ   r3   r,   r   rk   r   r   r   r[   rR   r*   r*   r*   r+   r     s@    


r   c                   @   s   e Zd ZedZdedd fddZ		dded	ed
e	e
eeef   dd fddZdefddZdefddZ	ddededeef ddfddZededed fddZdS )NumberObjects	   [^+-.0-9]rn   r!   c                 C   sD   z	t | t |W S  ty!   td| dt t | d Y S w )NzNumberObject(z) invalid; use 0 insteadr   )rZ   r   
ValueErrorr   r'   )r   rn   r*   r*   r+   r     s   zNumberObject.__new__Fr*   r2   r6   r7   c                 C   r   )r_   r   )r   rK   r   r8   r*   r*   r+   r3     r   zNumberObject.clonec                 C   s   t | j|  fS r`   r   r(   r*   r*   r+   r,        zNumberObject.hash_binc                 C   s   t t| dS )Nr   )rZ   reprr-   r(   r*   r*   r+   r   )  r   zNumberObject.as_numericNrN   rO   c                 C   s*   |d ur	t dd |t| d d S r   )r   rf   r   r-   rQ   r*   r*   r+   rR   ,  r   zNumberObject.write_to_stream)r   r   c                 C   s*   t | tj}|ddkrt|S t|S )N   .)r   r   NumberPatternfindr   )rN   numr*   r*   r+   rj   5  s   zNumberObject.read_from_streamrT   rP   )r'   rU   rV   recompiler   r   r   r\   r	   r
   r   r]   rZ   r3   r,   r   r   r[   rR   rl   rj   r*   r*   r*   r+   r   	  s4    




	r   c                   @   s   e Zd ZdZ		ddededeeee	e
f   dd fdd	Zde
fd
dZedefddZ	ddedede	ef ddfddZdS )ByteStringObjecta>  
    Represents a string object where the text encoding could not be determined.

    This occurs quite often, as the PDF spec doesn't provide an alternate way to
    represent strings -- for example, the encryption data stored in files (like
    /O) is clearly not text, but is still stored in a "String" object.
    Fr*   r2   r6   r7   r!   c                 C   s   t d| tt| ||S )r_   r   )r   rK   r   r[   r8   r*   r*   r+   r3   F  s   zByteStringObject.clonec                 C   s   t | jt| fS r`   )rb   r&   r[   r(   r*   r*   r+   r,   T  r   zByteStringObject.hash_binc                 C   rL   )z7For compatibility with TextStringObject.original_bytes.r*   r(   r*   r*   r+   original_bytes^  rS   zByteStringObject.original_bytesNrN   rO   c                 C   s:   |d ur	t dd |d |t|  |d d S )Nrc   rd      <   >)r   rf   binasciihexlifyrQ   r*   r*   r+   rR   c  s   
z ByteStringObject.write_to_streamrT   rP   )r'   rU   rV   __doc__r   r\   r	   r
   r   r]   rZ   r3   r,   r   r[   r   r   rR   r*   r*   r*   r+   r   =  s0    

r   c                   @   s   e Zd ZU dZeed< eed< eed< dZee ed< de	dd fd	d
Z
		dde	dedeeeeef   dd fddZdefddZedefddZdefddZdefddZ	ddededeef ddfddZdS ) TextStringObjectz
    A string object that has been decoded into a real unicode string.

    If read from a PDF document, this string appeared to match the
    PDFDocEncoding, or contained a UTF-16BE BOM mark to cause UTF-16 decoding
    to occur.
    autodetect_pdfdocencodingautodetect_utf16	utf16_bomN_original_bytesrn   r!   c              
   C   s  d }t |tr|}|d}t| |}||_d|_d|_d|_|	drr|d us+J zt| |d}W n, t
yb } z t|d|jt t| |jd |j d}W Y d }~nd }~ww ||_d|_|d d |_|S z
t| d|_W |S  ty   d|_tj|_Y |S w )	NcharmapFr   )u   þÿu   ÿþzutf-16z
initial string:Tr   )rt   r[   decoder]   r   r   r   r   r   
startswithUnicodeDecodeErrorr   rz   r'   startencode_pdfdocencodingUnicodeEncodeErrorcodecsBOM_UTF16_BE)r   rn   orgr   excr*   r*   r+   r   }  sD   


*
zTextStringObject.__new__Fr*   r2   r6   r7   c                 C   s<   t | }| j|_| j|_| j|_| j|_td| |||S )r_   r   )r   r   r   r   r   r   rK   )r)   r2   r6   r7   rJ   r*   r*   r+   r3     s   zTextStringObject.clonec                 C   rq   r`   )rb   r&   r   r(   r*   r*   r+   r,     rr   zTextStringObject.hash_binc                 C   s   | j dur| j S |  S )a-  
        It is occasionally possible that a text string object gets created where
        a byte string object was expected due to the autodetection mechanism --
        if that occurs, this "original_bytes" property can be used to
        back-calculate what the original encoded bytes were.
        N)r   get_original_bytesr(   r*   r*   r+   r     s   
zTextStringObject.original_bytesc                 C   s^   | j r$| jtjkrtj| d S | jtjkrtj| d S | dS | jr+t| S td)Nutf-16leutf-16bez#no information about original bytes)	r   r   r   BOM_UTF16_LEr-   r   r   r   r<   r(   r*   r*   r+   r     s   
z#TextStringObject.get_original_bytesc                 C   s   z| j d ur
| j W S | jrtdddddt| }W |S  tyL   | jtjkr3tj| d }Y |S | jtjkrDtj| d }Y |S | d}Y |S w )N forcedr   r   r   )	r   r   r   r   r   r   r   r-   r   )r)   bytearrr*   r*   r+   get_encoded_bytes  s"   

z"TextStringObject.get_encoded_bytesrN   rO   c                 C   s~   |d ur	t dd |  }|d td|D ] }tt|d }| s2|dkr2|dt|  q|| q|d d S )	Nrc   rd      (cr       s   \%03o   ))r   r   rf   r   r   r[   isalnumord)r)   rN   rO   r   c_r   r*   r*   r+   rR     s   
z TextStringObject.write_to_streamrT   rP   )r'   rU   rV   r   r\   rY   r[   r   r	   r   r   r
   r   r]   rZ   r3   r,   r   r   r   r   r   rR   r*   r*   r*   r+   r   o  s>   
 #

r   c                   @   s   e Zd ZU edZdZddddddd	d
 edD Ze	e
eef  ed< 		d%dededeeeeef   dd fddZdefddZ	d&dededeef ddfddZdefddZededefdd Zd!Zeded"edd fd#d$ZdS )'
NameObjects   \s+|[\(\)<>\[\]{}/%]   /s   #23s   #28s   #29s   #2Fs   #25)#(r   /%c                 C   s"   i | ]}t |d |d qS )r   02X)chrr-   ).0rI   r*   r*   r+   
<dictcomp>  s   " zNameObject.<dictcomp>!   renumber_tableFr*   r2   r6   r7   r!   c                 C   r   )r_   r   )r   rK   r   r8   r*   r*   r+   r3     r   zNameObject.clonec                 C   s   t | j| fS r`   ra   r(   r*   r*   r+   r,     s   zNameObject.hash_binNrN   rO   c                 C   s$   |d ur	t dd ||   d S )Nrc   rd   )r   rf   renumberrQ   r*   r*   r+   rR   !  s
   zNameObject.write_to_streamc              	   C   s   | d  d}|dkrtd|  dd | dd  D ]2}|dkr3| dD ]}|d	|d
  7 }q%qz	|| j| 7 }W q tyL   || d7 }Y qw |S )Nr   utf-8r   z<Incorrect first char in NameObject, should start with '/': (r   z6.0.0r9   ~r   r   )r-   r   r   KeyError)r)   outr   xr*   r*   r+   r   *  s"   
zNameObject.renumbersinc                 C   s   |  dd}|dkr@z$| d | t| |d |d   | |d d   } |  d|d }W n ty;   |d }Y nw |dks
| S )N   #r   r9   r   )r   r   r   )r   rI   r*   r*   r+   unnumber<  s   4zNameObject.unnumber)r   gbklatin1r;   c              
   C   s   |  d}|tjkrtd|t| tj7 }z)t|}tjD ]}z||}t|W   W S  t	y7   Y qw t
d|ddd tt
fyo } z"|jsbtd|dt t|dW  Y d }~S td|d	|d }~ww )
Nr9   zName read errorr   r   zCode Not Foundz!Illegal character in NameObject (z-), you may need to adjust NameObject.CHARSETSr   z.). You may need to adjust NameObject.CHARSETS.)rh   r   surfixr   r   delimiter_patternr   CHARSETSr   r<   r   r   strictr   r'   )rN   r;   r   encretr   r*   r*   r+   rj   K  s8   






zNameObject.read_from_streamrT   rP   )r'   rU   rV   r   r   r   r   ranger   r   r   r]   r[   rY   r   r\   r	   r
   r   rZ   r3   r,   r   rR   r   rl   r   r   rj   r*   r*   r*   r+   r     sJ   
 


	r   unicode_stringr!   c              	   C   s4   z
t dd | D W S  ty   td| dddw )Nc                 S   s   g | ]}t | qS r*   r   )r   kr*   r*   r+   
<listcomp>m  s    z)encode_pdfdocencoding.<locals>.<listcomp>pdfdocencodingr   z#does not exist in translation table)r[   r   r   )r  r*   r*   r+   r   k  s   r   r   c                 C   s,   | du pt | to|  du pt |  tS )z<
    Returns:
        True if x is None or NullObject.

    N)rt   r   rE   r^   )r   r*   r*   r+   is_null_or_nonex  s   
r  )7r   r   rW   r   sysr   mathr   structr   typingr   r   r   r   r	   r
   r   r   version_infor   typing_extensions_codecsr   
_protocolsr   r   _utilsr   r   r   r   r   errorsr   r   r   
__author____author_email__r   r^   rm   r   r   r   r   rZ   r   r[   r   r]   r   r   r   r  r*   r*   r*   r+   <module>   sB   ( *= <42 l$