Ng$K UdZdZdZddlZddlZddlZddlZddlZddlm Z ddl m Z m Z ddl m Z ddlmZdd lmZmZmZmZmZmZmZmZmZejdd d krdd lmZndd lmZd dlmZmZm Z eee!e!e!fee!e!e!fee!e!e!ffZ"ee#d<ee!e!e!e!e!e!fZ$ee#d<eeZ%ee&e%fZ'dee&dee fdZ(de&de&de&fdZ)dNde%dee*de+fdZ,de%de+fdZ-de%de.fdZ/de+de.fdZ0de%ddfdZ1de%dee+de+fd Z2de%d!e*de+fd"Z3de%de+fd#Z4d$e"d%e"de"fd&Z5de%ddfd'Z6ed%e&de*fd(Z7ed%e+de+fd)Z7ed%e*de*fd*Z7d%ee*e&e+fdee*e+ffd+Z7d,Z8d-9e8Z:d.e:zd/zZ;dOd1e&d2e*ddfd3Zd5e&d6e&d7e&ddfd9Z?d:e&d7e&ddfd;Z@d:e&d7e&ddfd<ZAd1e&d=e&ddfd>ZBd1e&d=e&ddfd?ZC dPdAe&dBee&efdCee&e&fdDe.ddf dEZDdFe*de&fdGZEGdHdIZFe GdJdKZGejHGdLdMZIdS)Qz"Utility functions for PDF library.zMathieu Fenniakzbiziqe@mathieu.fenniak.netN) dataclass)datetimetimezone)DEFAULT_BUFFER_SIZE)SEEK_CUR) IOAnyDictListOptionalPatternTupleUnionoverload) ) TypeAlias)STREAM_TRUNCATED_PREMATURELYDeprecationErrorPdfStreamErrorTransformationMatrixTypeCompressedTransformationMatrixtextreturnc|}|dS|drd|z}|dr|dz }|dddddd }t|d|d }|dkr|t |d z kr|d z }d D]`} t j||}|dr |tj }|cS#t$rY]wxYwtd|)NrzD:)Zz0000r+r'-00)zD:%YzD:%Y%mzD:%Y%m%dz D:%Y%m%d%Hz D:%Y%m%d%H%MzD:%Y%m%d%H%M%SzD:%Y%m%d%H%M%S%zz+0000)tzinfozCan not convert date: ) isdigitendswithreplacemaxfindlenrstrptimerutc ValueError)rorgtextifds H/var/www/html/ai-engine/env/lib/python3.11/site-packages/pypdf/_utils.pyparse_iso8824_dater6Ls`G |t Awd{ }}Z    <<S ! ! ) )#s 3 3 ; ;C D DD DIIcNNDIIcNN++A1uuc$ii!m##   !$**A}}W%% 3IIX\I22HHH     H  7g77 8 88sD(( D54D5header1header2c6d}g}||vr(|||||vr(|||t|dkrtd|d|d|t |S)N)z%PDF-1.3z%PDF-1.4z%PDF-1.5z%PDF-1.6z%PDF-1.7z%PDF-2.0rzNeither z nor z are proper headers)appendindexr-r0r+)r7r8versionspdf_header_indicess r5_get_max_pdf_version_headerr>lsH(!!(.."9"9:::(!!(.."9"9::: !##RGRRGRRRSSS C*++ ,,streammaxcharscd} |d}|s|sn||z }t||krnF|S)a< Read non-whitespace characters and return them. Stops upon encountering whitespace or when maxchars is reached. Args: stream: The data stream from which was read. maxchars: The maximum number of bytes returned; by default unlimited. Returns: The data which was read. r?Tr)readisspacer-)r@rAtxttoks r5read_until_whitespacerGs` Ckk!nn ;;==    s  s88x     Jr?c~|d}|tvr|d}|tv|S)z Find and read the next non-whitespace character (ignores whitespace). Args: stream: The data stream from which was read. Returns: The data which was read. r)rC WHITESPACESr@rFs r5read_non_whitespacerKs? ++a..C   kk!nn    Jr?ctd}d}|tvr#|d}|dz }|tv#|dkS)a Similar to read_non_whitespace, but return a boolean if more than one whitespace character was read. Args: stream: The data stream from which was read. Returns: True if more than one whitespace was skipped, otherwise return False. rr)rIrC)r@rFcnts r5skip_over_whitespacerNsM a.C C   kk!nn q    7Nr?valuecvtt|D]}|||dz}|tvrdSdS)z Check if the given value consists of whitespace characters only. Args: value: The bytes to check. Returns: True if the value only has whitespace characters, otherwise return False. rFT)ranger-rI)rOr;currents r5check_if_whitespace_onlyrSsPs5zz"" )* + % %55 & 4r?c|d}|dd|dkr4|dvr2|d}|dkrtd|dv.dSdSdS)Nr%)  r?zFile ended unexpectedly.)rCseekrrJs r5skip_over_commentrZs ++a..C KKA d{{''++a..Cczz$%?@@@''''{''r?regexcNd} |d}|s|S|||z}|h||t |t |zz d||zd|}n||z }|S)z Read until the regular expression pattern matched (ignore the match). Treats EOF on the underlying stream as the end of the token to be matched. Args: regex: re.Pattern Returns: The read bytes. r?TNr)rCsearchrYstartr-)r@r[namerFms r5read_until_regexrbs D kk"oo K LL $ $ = KK SYYS%9:A > > >3J !'')) ,D     Kr?to_readc||krtd|| t||}|| t|S)a Given a stream at position X, read a block of size to_read ending at position X. This changes the stream's position to the beginning of where the block was read. Args: stream: to_read: Returns: The data which was read. z!Could not read malformed PDF file)tellrrYrrC)r@rcrCs r5read_block_backwardsrfsh{{}}w@AAA KK(### ;;w  D KK(### Kr?cg}d}|dkrtt tt|}|dkrnt ||}t |dz }|s-|dkr||dvr|dz}|dkr ||dv|dkrd}|rF|||dzd|dkr||dvr|dz}|dkr ||dvn|||dkr||dztnd |dddS) a Given a byte stream with current position X, return the previous line. All characters between the first CR/LF byte found before X (or, the start of the file, if no such byte is found) and position X After this call, the stream will be positioned one byte after the first non-CRLF character found beyond the first CR/LF byte before X, or, if no such byte is found, at the beginning of the stream. Args: stream: StreamType: Returns: The data which was read. FrTrs Nr?rU) rerrminrrfr-r:rYrjoin)r@ line_content found_crlfrcblockidxs r5read_previous_linern s"LJ {{}}9::: )6;;==99 a<< %VW55%jj1n "((uSz88q((uSz88axx!  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That allows people to overwrite it more easily. ## Exception, warnings.warn, logger_warning - Exceptions should be used if the user should write code that deals with an error case, e.g. the PDF being completely broken. - warnings.warn should be used if the user needs to fix their code, e.g. DeprecationWarnings - logger_warning should be used if the user needs to know that an issue was handled by pypdf, e.g. a non-compliant PDF being read in a way that pypdf could apply a robustness fix to still read it. This applies mainly to strict=False mode. N)rrwarningrs r5logger_warningrs)  c""3'''''r?F func_namekwargsaliasesfailc &|D]{\}}||vrr|rt|d|d||vrt|d|d|d|d|d ||||<t j|d|dt |d S) z Helper function to deprecate arguments. Args: func_name: Name of the function to be deprecated kwargs: aliases: fail: z# is deprecated as an argument. Use z insteadz received both z and z as an argument. z is deprecated. Use r)messagecategoryN)itemsr TypeErrorpoprrr)rrrrold_termnew_terms r5 rename_kwargsrs&mmoo( v   &VVHVVV6!! //////$,//#/// &zz(33F8  MVVHVVV+     r?bytescf|dkr|dS|dkr |dz ddS|dkr |dz ddS|dz ddS) Niz Bytei@Bz.1fz kBiʚ;z MBz GBr)rs r5_human_readable_bytesrsk u}} %-((((( %-(((((%-(((((r?c.eZdZdZddZddefdZdZdS) classpropertyz Decorator that converts a method with a single cls argument into a property that can be accessed directly from the class. 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