o
    vh{                     @   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 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e0e)Z1G dd de2e)Z3G dd de4e)Z5G d d! d!e4e)Z6d"e4d#e2fd$d%Z7d&ed#eede*e,f  fd'd(Z8dS ))    N)	unhexlify)log10)iter_unpack)AnyCallableClassVarDictOptionalSequenceUnioncast   )   
   )	TypeGuard_pdfdoc_encoding_rev)PdfObjectProtocolPdfWriterProtocol)
StreamTypeclasspropertydeprecate_no_replacementdeprecate_with_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,   Q/var/www/html/hyperkenya/venv/lib/python3.10/site-packages/pypdf/generic/_base.pyhash_bin@   s   zPdfObject.hash_binc                 C   s
   |    S N)encoder*   r,   r,   r-   hash_value_dataL      
zPdfObject.hash_value_datac                 C   s$   | j j d| |     S )N:)r(   r)   r    r1   	hexdigestr0   r*   r,   r,   r-   
hash_valueO   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+   r6   r,   r,   r-   	replicateU   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+   r6   r:   r;   r,   r,   r-   r7   f   s   zPdfObject.cloner7   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+   r7   r6   r:   indiobjr,   r,   r-   _reference_clone   sP   
zPdfObject._reference_clonec                 C      | S )zResolve indirect references.r,   r*   r,   r,   r-   rI         zPdfObject.get_objectNstreamencryption_keyc                 C   s   t r/   )r'   r+   rR   rS   r,   r,   r-   write_to_stream      zPdfObject.write_to_streamFr,   )Fr/   )r)   
__module____qualname__hashlibsha1r    r   __annotations__r	   intr.   bytesr1   r5   r   r9   boolr
   r   strr7   r   r   rO   rI   r   rU   r,   r,   r,   r-   r   ;   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edefddZde	fddZdS )
NullObjectFr,   r6   r:   r;   r#   c                 C   s   t d| t ||S )Clone object into pdf_dest.ra   )r   rO   ra   r<   r,   r,   r-   r7      s   zNullObject.clonec                 C   s   t | jfS r%   hashr(   r*   r,   r,   r-   r.      s   zNullObject.hash_binNrR   rS   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   writerT   r,   r,   r-   rU      s
   zNullObject.write_to_streamc                 C   s    |  d}|dkrtdt S )N   rh   zCould not read Null object)readr   ra   )rR   nulltxtr,   r,   r-   read_from_stream   s   
zNullObject.read_from_streamc                 C   s   dS )Nra   r,   r*   r,   r,   r-   __repr__   s   zNullObject.__repr__otherc                 C   s
   t |tS r/   )
isinstancera   r+   ro   r,   r,   r-   __eq__   r2   zNullObject.__eq__c                 C      |   S r/   r.   r*   r,   r,   r-   __hash__      zNullObject.__hash__rW   r/   )r)   rX   rY   r   r_   r	   r
   r   r`   r]   r7   r.   r   r^   rU   staticmethodrm   rn   objectrr   ru   r,   r,   r,   r-   ra      s4    

	ra   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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 r/   rz   )r+   rz   r,   r,   r-   __init__   r2   zBooleanObject.__init__Fr,   r6   r:   r;   c                 C   s   t d| t| j||S )rb   ry   )r   rO   ry   rz   r<   r,   r,   r-   r7      s   zBooleanObject.clonec                 C      t | j| jfS rc   )re   r(   rz   r*   r,   r,   r-   r.   	     zBooleanObject.hash_binoc                C   s.   t |tr| j|jkS t |tr| j|kS dS )NF)rp   ry   rz   r_   r+   r   r,   r,   r-   rr     s
   


zBooleanObject.__eq__c                 C   rs   r/   rt   r*   r,   r,   r-   ru     rv   zBooleanObject.__hash__c                 C   s   | j rdS dS )NTrueFalser{   r*   r,   r,   r-   rn     s   zBooleanObject.__repr__rR   rS   c                 C   s4   |d ur	t dd | jr|d d S |d d S )Nrf   rg      trues   false)r   rz   ri   rT   r,   r,   r-   rU      s   zBooleanObject.write_to_streamc                 C   s<   |  d}|dkrtdS |dkr|  d tdS td)Nrj   r   Ts   falsr=   FzCould not read Boolean object)rk   ry   r   )rR   wordr,   r,   r-   rm   ,  s   

zBooleanObject.read_from_streamrW   r/   )r)   rX   rY   r   r|   r   r_   r	   r
   r   r`   r]   r7   r.   rx   rr   ru   rn   r   r^   rU   rw   rm   r,   r,   r,   r-   ry      s6    


ry   c                   @   s  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			d<dede
deeeeef   dd fddZed=d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$Zd"ede
fd%d&Zdefd'd(Zdefd)d*Zdefd+d,Zdefd-d.Zdefd/d0Zd1ede
fd2d3Zd1ede
fd4d5Z	d>d6e d7edee!f ddfd8d9Z"e#d6e dedd fd:d;Z$dS )?r!   rD   
generationr?   r#   Nc                 C   s   || _ || _|| _d S r/   )rD   r   r?   )r+   rD   r   r?   r,   r,   r-   r|   8  s   
zIndirectObject.__init__c                 C   s   t | j| jt| jfS r/   )re   rD   r   rG   r?   r*   r,   r,   r-   ru   =  s   zIndirectObject.__hash__c                 C   s   t | j| j| jt| jfS rc   )re   r(   rD   r   rG   r?   r*   r,   r,   r-   r.   @  s   zIndirectObject.hash_binr6   r   c                 C   s   t | j| j|S r/   )r!   rD   r   r8   r,   r,   r-   r9   J  s   zIndirectObject.replicateFr,   r:   r;   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svJ d|jdusJ d|jS )rb   Nmypy)r?   rG   rH   rD   rI   r"   r!   r   ra   rp   _add_objectr7   )r+   r6   r:   r;   dupidrefrN   r,   r,   r-   r7   P  s.   zIndirectObject.clonec                 C   rP   r/   r,   r*   r,   r,   r-   r"   s  rQ   z!IndirectObject.indirect_referencec                 C   s   | j | S r/   )r?   rI   r*   r,   r,   r-   rI   w     zIndirectObject.get_objectmemoc                 C   s   t | j| j| jS r/   )r!   rD   r   r?   )r+   r   r,   r,   r-   __deepcopy__z     zIndirectObject.__deepcopy__c                 C   s0   |   }t|trt|   d|  |S )Nz references an IndirectObject )rI   rp   r!   r   rn   r   r,   r,   r-   _get_object_with_check}  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   rA   r+   r   r,   r,   r-   __getattr__  s   
zIndirectObject.__getattr__keyc                 C   s   |   | S r/   r   r+   r   r,   r,   r-   __getitem__     zIndirectObject.__getitem__c                 C   s   ||   v S r/   r   r   r,   r,   r-   __contains__  r   zIndirectObject.__contains__c                 C      |    S r/   )r   __iter__r*   r,   r,   r-   r     r   zIndirectObject.__iter__c                 C   r   r/   )rI   	__float__r*   r,   r,   r-   r     r   zIndirectObject.__float__c                 C   r   r/   )rI   __int__r*   r,   r,   r-   r     r   zIndirectObject.__int__c                 C   r   r/   )rI   __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, ))rD   r   rG   r?   r*   r,   r,   r-   rn     s   "zIndirectObject.__repr__ro   c                 C   s6   |d uot |to| j|jko| j|jko| j|ju S r/   )rp   r!   rD   r   r?   rq   r,   r,   r-   rr     s   


zIndirectObject.__eq__c                 C   s   |  | S r/   )rr   rq   r,   r,   r-   __ne__  r   zIndirectObject.__ne__rR   rS   c                 C   s4   |d ur	t dd || j d| j d  d S )Nrf   rg    z R)r   ri   rD   r   r0   rT   r,   r,   r-   rU     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    Tr=      Rz0Error reading indirect object reference at byte )
rk   r   r   isspacer   r   hextellr!   r]   )rR   r?   rD   tokr   rr,   r,   r-   rm     s4   

	zIndirectObject.read_from_streamrW   )r#   r!   r/   )%r)   rX   rY   r]   r   r|   ru   r.   r   r9   r_   r	   r
   r   r`   r7   propertyr"   rI   r   r   r   r   r   r   r   r   r   rn   rx   rr   r   r   r^   rU   rw   rm   r,   r,   r,   r-   r!   7  sZ    

	
#			
	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0.0Nrz   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)   )clsrz   r   er,   r,   r-   r     s   zFloatObject.__new__Fr,   r6   r:   r;   c                 C      t d| t| ||S )rb   r   )r   rO   r   r<   r,   r,   r-   r7        zFloatObject.clonec                 C   r}   rc   re   r(   
as_numericr*   r,   r,   r-   r.     r~   zFloatObject.hash_binc                 C   sB   | dkrdS t ttt|  }| dtd| dddS )Nr   r   .r=   f0)FLOAT_WRITE_PRECISIONr]   r   absmaxrstrip)r+   nbr,   r,   r-   myrepr  s   "zFloatObject.myreprc                 C   rs   r/   )r   r*   r,   r,   r-   rn     rv   zFloatObject.__repr__c                 C   s   t | S r/   )r   r*   r,   r,   r-   r   
  rv   zFloatObject.as_numericrR   rS   c                 C   s*   |d ur	t dd ||  d d S Nrf   rg   utf8)r   ri   r   r0   rT   r,   r,   r-   rU     
   zFloatObject.write_to_stream)r   NrW   r/   )r)   rX   rY   r   r	   r   r_   r
   r   r`   r]   r7   r.   r   rn   r   r   r   r^   rU   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]rz   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   )r]   r   
ValueErrorr   r)   )r   rz   r,   r,   r-   r     s   zNumberObject.__new__Fr,   r6   r:   r;   c                 C   r   )rb   r   )r   rO   r   r<   r,   r,   r-   r7   !  r   zNumberObject.clonec                 C   s   t | j|  fS rc   r   r*   r,   r,   r-   r.   -     zNumberObject.hash_binc                 C   s   t t| dS )Nr   )r]   reprr0   r*   r,   r,   r-   r   7  r   zNumberObject.as_numericNrR   rS   c                 C   s*   |d ur	t dd |t| d d S r   )r   ri   r   r0   rT   r,   r,   r-   rU   :  r   zNumberObject.write_to_stream)r   r   c                 C   s$   t | tj}d|v rt|S t|S )N   .)r   r   NumberPatternr   )rR   numr,   r,   r-   rm   C  s   zNumberObject.read_from_streamrW   r/   )r)   rX   rY   recompiler   r   r   r_   r	   r
   r   r`   r]   r7   r.   r   r   r^   rU   rw   rm   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e	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,   r6   r:   r;   r#   c                 C   s   t d| tt| ||S )rb   r   )r   rO   r   r^   r<   r,   r,   r-   r7   T  s   zByteStringObject.clonec                 C   s   t | jt| fS rc   )re   r(   r^   r*   r,   r,   r-   r.   b  r   zByteStringObject.hash_binc                 C   rP   )z7For compatibility with TextStringObject.original_bytes.r,   r*   r,   r,   r-   original_bytesl  rV   zByteStringObject.original_bytesNrR   rS   c                 C   s:   |d ur	t dd |d |t|  |d d S )Nrf   rg      <   >)r   ri   binasciihexlifyrT   r,   r,   r-   rU   q  s   
z ByteStringObject.write_to_streamc              	   C   sD   dgt tj}|D ]}z| |W   S  ty   Y q
w td)Nutf-16zCannot decode ByteStringObject.)list
NameObjectCHARSETSdecodeUnicodeDecodeErrorr   )r+   charset_to_tryencr,   r,   r-   r   |  s   zByteStringObject.__str__rW   r/   )r)   rX   rY   __doc__r   r_   r	   r
   r   r`   r]   r7   r.   r   r^   r   r   rU   r   r,   r,   r,   r-   r   K  s2    


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_bytesrz   r#   c              
   C   s   d }t |tr|}|d}t| |}||_d|_d|_d|_|	drt|d us-J dzt| |d}W n, t
yd } 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   ÿþr   r   z
initial string:Tr   )rp   r^   r   r`   r   r   r   r   r   
startswithr   r   rx   r)   startencode_pdfdocencodingUnicodeEncodeErrorcodecsBOM_UTF16_BE)r   rz   orgr   excr,   r,   r-   r     sD   


*
zTextStringObject.__new__Fr,   r6   r:   r;   c                 C   s<   t | }| j|_| j|_| j|_| j|_td| |||S )rb   r   )r   r   r   r   r   r   rO   )r+   r6   r:   r;   rN   r,   r,   r-   r7     s   zTextStringObject.clonec                 C   r}   rc   )re   r(   r   r*   r,   r,   r-   r.     r~   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$| jtjkrtj| d S | jtjkrtj| d S | dS | jr+t| S td)Nutf-16leutf-16bez#no information about original bytes)	r   r   r   BOM_UTF16_LEr0   r   r   r   r@   r*   r,   r,   r-   r     s   
z#TextStringObject.get_original_bytesc                 C   s   z| j d ur
| j W S | jrtdddddt| }W |S  tyL   | jtjkr3tj| d }Y |S | jtjkrDtj| d }Y |S | d}Y |S w )N forcedr   r   )	r   r   r   r   r   r   r   r0   r   )r+   bytearrr,   r,   r-   get_encoded_bytes  s"   

z"TextStringObject.get_encoded_bytesrR   rS   c                 C   s~   |d ur	t dd |  }|d td|D ] }tt|d }| s2|dkr2|dt|  q|| q|d d S )	Nrf   rg      (cr       s   \%03o   ))r   r   ri   r   r   r^   isalnumord)r+   rR   rS   r   c_r   r,   r,   r-   rU     s   
z TextStringObject.write_to_streamrW   r/   )r)   rX   rY   r   r_   r\   r^   r   r	   r   r   r
   r   r`   r]   r7   r.   r   r   r   r   r   rU   r,   r,   r,   r-   r     s>   
 #

r   c                   @   s  e Zd ZU edZdZi dd dD dd edD Ze	e
eef  ed< 			
d%dededeeeeef   dd fddZdefddZ	d&dededeef ddfddZdefddZd'ddZedefddZededefdd Zd!Zeded"edd fd#d$ZdS )(r   s   \s+|[\(\)<>\[\]{}/%]   /c                 C   "   i | ]}t |d |d qS #02Xchrr0   .0rM   r,   r,   r-   
<dictcomp>     " zNameObject.<dictcomp>s   #()<>[]{}/%c                 C   r   r   r   r   r,   r,   r-   r     r  !   renumber_tableFr,   r6   r:   r;   r#   c                 C   r   )rb   r   )r   rO   r   r<   r,   r,   r-   r7     r   zNameObject.clonec                 C   s   t | j| fS rc   rd   r*   r,   r,   r-   r.   '  s   zNameObject.hash_binNrR   rS   c                 C   s$   |d ur	t dd ||   d S )Nrf   rg   )r   ri   renumberrT   r,   r,   r-   rU   1  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   6.0.0r=   ~r   r   )r0   r   r  KeyError)r+   outr   xr,   r,   r-   r  :  s"   
zNameObject.renumberc                 C   s8   t | dd }tdd|}tdd|}td| S )a0  
        Sanitize the NameObject's name to be a valid PDF name part
        (alphanumeric, underscore, hyphen). The _sanitize method replaces
        spaces and any non-alphanumeric/non-underscore/non-hyphen with
        underscores.

        Returns:
            NameObject with sanitized name.
        r=   Nz\ _z[^a-zA-Z0-9_-]/)r`   r   subr   r   r,   r,   r-   	_sanitizeL  s   
zNameObject._sanitizec                 C   s   t ddd dS )Nsurfixprefixr  r   )r   )r   r,   r,   r-   r  [  s   zNameObject.surfix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   r=   r   )findr   r   )r  rM   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 )
Nr=   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.)rk   r   r  r   r   delimiter_patternr  r   r   r@   r   r   strictr   r)   )rR   r?   r   r   retr   r,   r,   r-   rm   o  s8   






zNameObject.read_from_streamrW   r/   )r#   r   ) r)   rX   rY   r   r   r  r  ranger  r   r   r`   r^   r\   r   r_   r	   r
   r   r]   r7   r.   r   rU   r  r  r   r  rw   r  r   rm   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>  s    z)encode_pdfdocencoding.<locals>.<listcomp>pdfdocencodingr   z#does not exist in translation table)r^   r  r   )r  r,   r,   r-   r     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)rp   r   rI   ra   )r
  r,   r,   r-   is_null_or_none  s   
r  )9r   r   rZ   r   sysr   mathr   structr   typingr   r   r   r   r	   r
   r   r   version_infor   typing_extensions_codecsr   
_protocolsr   r   _utilsr   r   r   r   r   r   r   errorsr   r   r   
__author____author_email__r   ra   ry   r!   r   r   r   r]   r   r^   r   r`   r   r   r   r  r,   r,   r,   r-   <module>   sB   ($	 0> #;4; {$