U 7hQ@sdZddlmZddlZddlZddlmZddlTdZdZ d Z d Z d Z d Z Gd ddeZGdddeZddZGdddeZdddZejfddZdS)z Implements the minimal functionality required to extract a "Workbook" or "Book" stream (as one big string) from an OLE2 Compound Document file. )print_functionN)unpack)*sࡱc@s eZdZdS) CompDocErrorN)__name__ __module__ __qualname__rrF/var/www/formularioweb/env/lib/python3.8/site-packages/xlrd/compdoc.pyr sr c@s&eZdZdejfddZdddZdS) DirNodercCs||_||_td|dd\}|_|_|_|_|_td|dd\|_|_ |dkrbt d|_ nt |d|d d |_ g|_ d |_td |d d|_|r||dS)Nz|_}d|>|_|jdks|jdkrtd|j|jf|d td|dd\} |_ } |_ } } } }t |d}t ||\}}|rv|d7}tdt ||f|d ||_ ||_tddg|}|_|r td||||j|d td||f|d td| |j |j f|d td| | f|d td| |f|d |d }d!|}d}ttd"|dd}||d|}td|d#|d$|d}d}|dkr| ttdfkrn | }|tttfkr|dkrtd%||f|d ||krd&||f}|dkrt||d qt|n|dkrtd'|||r&td(|||fd||<|d7}|r\||kr\td)||||||d d||}|t||||||}q|r||krtd*||||||d |rtd+t ||d t|d,|g|_d}d}tt |D]}||} | ttfkrq| |krX|sFtd-|d td.| |f|d d}t||<d}qn| d/krntd0| || rtd1| || fd$|| <|d7}|r||krtd2||||||| |d d|| }|jt|||||q|r&td3t |j|d t|jd,|t|d |r|rtd+t ||d t|d,|t|t |jD]}!t|j|!<q`td3t |j|d t|jd,||j|jd|j|j|j d4d5d6}"g}#d7}$tdt |"d8D].}%|$d7}$|#t|$|"|%|%d8d|q|#|_t |#d|#dj!|r0|#D]}&|&"|q|jd}'|'j#d9ksJt$|'j%dksb|'j&dkrjd:|_'n$|j|jd|j||'j%|'j&d;d d6|_'g|_(| dkr|'j&dkrtd<|d |'j&dkr~| }| }(|dkrL|(dkrL||rtd=|||fd9||<|(d8}(d||})tt|||)|)|}*|j(|*|j|}q|rftd>||(f|d |(dkrz|tks~t$|rtd?|d t|j(d,||rtd@|d t|d |dS)ANrzNot an OLE2 compound documentsz)Expected "little-endian" marker, found %rz>>z [2]===>>>z MSAT: len = z8WARNING *** File is truncated, or OLE2 MSAT is corrupt!!z6INFO: Trying to access sector %d but only %d availablerzMSAT: invalid sector id: %dz)MSAT extension corruption: seen[%d] == %dz [3]===>>>z SAT: len = directoryr#seen_idrrSSCSzHWARNING *** OLE2 inconsistency: SSCS size is 0 but SSAT size is non-zerozSSAT corruption: seen[%d] == %dz&SSAT last sid %d; remaining sectors %dSSATseen))rr* SIGNATUREr rr/memsec_sizeshort_sec_sizeZdir_first_sec_sidmin_size_std_streamlendivmod mem_data_secs mem_data_lenarrayrMlistmaxEOCSIDFREESIDMSATSIDextendpop dump_listSATxrangeEVILSID _get_streamr3rr4r2r r(rAssertionErrorr!r"rKrL)+r)rOrr*revisionversionZsszZssszrPZ SAT_tot_secsZ_unusedZSSAT_first_sec_sidZ SSAT_tot_secsZMSATX_first_sec_sidZMSATX_tot_secsrVrUZ left_overrMZnentfmtZ trunc_warnedZMSATZSAT_sectors_reqdZexpected_MSATX_sectorsZactual_MSATX_sectorsZsidmsgoffsetZactual_SAT_sectorsZ dump_againZmsidxZmsidZsatxZdbytesr4ZdidposdZsscs_dirZnsecs start_posnewsrrrr+Ts                      "   $        zCompDoc.__init__Nrc Csg} |} |dkr| dkr|dk rL|j| rBtd|| |j| f||j| <|| |} | || | |z || } Wqtk rtd|| fYqXq| tkstn|} | dkrd|dk r|j| rtd|| |j| f||j| <|| |} |} | | kr| } | | 8} | || | | z || } Wqtk r`td|| fYqXq| tksrt| dkrt|jd|||| d| S)Nr%s corruption: seen[%d] == %dz:OLE2 stream %r: sector allocation table invalid entry (%d)z=WARNING *** OLE2 stream %r: expected size %d, actual size %d ) rMr r3 IndexErrorrZrdr.rjoin)r)rObasesatrP start_sidsizer#rHZsectorssrltodoZgrabrrrrcs`             zCompDoc._get_streamcCs|d}|dd}|j}||jD]r}||j|kr$||j}|dkr\||S|dkr|sptd|||S||dtdq$dS)Nrrrz"Requested component is a 'storage'z'Requested stream is not a 'user stream')r4r%r#lowerrr _dir_searchr()r)pathZ storage_DIDheadtaildlchildetrrrryMs    zCompDoc._dir_searchc Cs~||d}|dkrdS|j|jkrR|j|jd|j|j|j|j||j ddS|j|j d|j |j |j|j|dddSdS)a Interrogate the compound document's directory; return the stream as a string if found, otherwise return ``None``. :param qname: Name of the desired stream e.g. ``'Workbook'``. 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Should be in Unicode or convertible thereto. rN)Nrrz7%r stream length (%d bytes) > file data size (%d bytes)r>r=z seenr,r;rr)ryrr"rVr rR_locate_streamrOr`rPr!rr*r/rr_rMrcrKrLrQ)r)rrkresultrrrlocate_named_streamusF   zCompDoc.locate_named_streamc s^|} | dkrtd|d} d} d} g} d}||d|}| dkr|j| rtd||jdt|jd |jtd || |j| f||j| <|d7}||krtd |||f| | dkr| |7} n*| dkr| | | f|| |} | |} | } || } q<| tkst||ks"t| s2| |fS| | | fd fd d| Dd|fS)Nrz%_locate_stream: start_sid (%d) is -veiiiHrz_locate_stream(%s): seenr,r;rnz,%s: size exceeds expected %d bytes; corrupt?roc3s|]\}}||VqdS)Nr).0rlend_posrOrr sz)CompDoc._locate_stream..) r rMr/rr_r3rZrdrq)r)rOrrrsrPrtZexpected_stream_sizerrHrvprlrZslicesZ tot_foundZ found_limitrrrrsH          zCompDoc._locate_stream)NrN)r) r r r__doc__r0r1r+rcryrrrrrrrr5Js I 1 (r5cCsPtd|d|fd|d||||D]}tt|d|dq*t|ddSNz%5d%sz = )endr-r,r/str)aliststridefdposequalvaluerrr x_dump_linesrcsdfdd }d}d}tdtD]b}|dkrD|||}q*||||kr*||kr||dd|||}q*|dk r|dk r||kr||dddS)NrcsPtd|d|fdd||D]}tt|ddq*tddSrr)rrrrrrrr _dump_lineszdump_list.._dump_liner)r)r)rarS)rrrrrjoldposrrrr_s  r_)r)r __future__rrWr0structrZ timemachinerNrZr[ZSATSIDr\rb Exceptionr objectrr2r5rr1r_rrrrs(