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tarfile.cpython-310.pyc
o }5h@ @ s d Z dZdZdZddlmZ ddlZddlZddl Z ddl Z ddl Z ddl Z ddl Z ddlZddlZddlZzddlZW n eyG dZY nw zddlZW n eyY dZY nw eefZzeef7 ZW n eyn Y nw g dZdZd Zed Z d Z d Z d Z d Z dZ!dZ"dZ#dZ$dZ%dZ&dZ'dZ(dZ)dZ*dZ+dZ,dZ-dZ.dZ/d Z0dZ1d Z2d Z3e3Z4e"e#e$e%e(e)e*e&e'e+e,e-f Z5e"e#e*e-fZ6e+e,e-fZ7d Z8h d Z9e:e:e:e;e;e;d!Z<ej=d"krd#Z>ne? Z>d$d% Z@d&d' ZAd(d) ZBd*e4fd+d,ZCd-d. ZDdedfd/d0ZEd1d2 ZFG d3d4 d4eGZHG d5d6 d6eHZIG d7d8 d8eHZJG d9d: d:eHZKG d;d< d<eHZLG d=d> d>eHZMG d?d@ d@eMZNG dAdB dBeMZOG dCdD dDeMZPG dEdF dFeMZQG dGdH dHeMZRG dIdJ dJZSG dKdL dLZTG dMdN dNeUZVG dOdP dPeUZWG dQdR dRe jXZYG dSdT dTeHZZG dUdV dVeZZ[G dWdX dXeZZ\G dYdZ dZeZZ]G d[d\ d\eZZ^G d]d^ d^eZZ_dsd`daZ`dbdc Zaddde Zbdfdg ZceaebecdhZdeU ZeefdiZgG djdk dkeUZhG dldm dmeUZidndo ZjeijZdpdq Zkeldrkrek dS dS )tz,Read from and write to tar format archives. z0.9.0u" Lars Gustäbel (lars@gustaebel.de)u4 Gustavo Niemeyer, Niels Gustäbel, Richard Townsend. )openN)TarFileTarInfo is_tarfileTarError ReadErrorCompressionError StreamError ExtractError HeaderErrorENCODING USTAR_FORMAT GNU_FORMAT PAX_FORMATDEFAULT_FORMATr i s ustar s ustar 00d 0 1 2 3 4 5 6 7 L K S x g X )pathlinkpathsizemtimeuidgidunamegname> r% r, r+ r& )atimectimer( r) r* r' ntutf-8c C s8 | du rt d| ||} | d| |t| t S )z8Convert a string to a null-terminated bytes object. Nz metadata cannot contain None) ValueErrorencodelenNUL)slengthencodingerrors r9 /usr/lib/python3.10/tarfile.pystn s r; c C s* | d}|dkr| d| } | ||S )z8Convert a null-terminated bytes object to a string. r N)finddecode)r5 r7 r8 pr9 r9 r: nts s r@ c C s | d dv r2d}t t| d D ]}|dK }|| |d 7 }q| d dkr0dt| d | }|S zt| dd} t| p?d d}W |S tyO td w ) z/Convert a number field to a python number. r ) r# rB asciistrict0invalid header)ranger3 r@ intstripr1 InvalidHeaderError)r5 nir9 r9 r: nti s rO rC c C s | }t | } d| krd|d k r%n ntd|d | f dt }|S |tkrmd|d | kr<d|d k rmn td | dkrKtdg}n tdg}d| | } t|d D ]}|d| d@ | dL } q\|S td ) z/Convert a python number to a number field. r rC r# z%0*orE rD rA rB zoverflow in number field)rJ bytesr4 r bytearrayrI insertr1 )rM digitsformat original_nr5 rN r9 r9 r: itn s 0 rV c C s0 dt td| }dt td| }||fS )a Calculate the checksum for a member's header by summing up all characters except for the chksum field which is treated as if it was filled with spaces. According to the GNU tar sources, some tars (Sun and NeXT) calculate chksum with signed char, which will be different if there are chars in the buffer with the high bit set. So we calculate two checksums, unsigned and signed. rD 148B8x356B 148b8x356b)sumstruct unpack_from)bufunsigned_chksum signed_chksumr9 r9 r: calc_chksums s r_ c C s |pd}|dkr dS |du rt | || dS t||\}}t|D ]}| |}t||k r3|d|| q"|dkrQ| |}t||k rL|d|| dS )zjCopy length bytes from fileobj src to fileobj dst. If length is None, copy the entire content. i @ r Nunexpected end of data)shutil copyfileobjdivmodrI readr3 write) srcdstr6 exceptionbufsizeblocks remainderbr\ r9 r9 r: rb s$ rb c C s8 t tjdd }|d ur| |d|} t| dd d S )Nr7 backslashreplace )end)getattrsysstdoutr2 r> print)r5 r7 r9 r9 r: _safe_print s rt c @ e Zd ZdZdS )r zBase exception.N__name__ __module__ __qualname____doc__r9 r9 r9 r: r r c @ ru )r z%General exception for extract errors.Nrv r9 r9 r9 r: r r{ r c @ ru )r z&Exception for unreadable tar archives.Nrv r9 r9 r9 r: r r{ r c @ ru )r z.Exception for unavailable compression methods.Nrv r9 r9 r9 r: r r{ r c @ ru )r z=Exception for unsupported operations on stream-like TarFiles.Nrv r9 r9 r9 r: r r{ r c @ ru )r z!Base exception for header errors.Nrv r9 r9 r9 r: r r{ r c @ ru )EmptyHeaderErrorz Exception for empty headers.Nrv r9 r9 r9 r: r| ! r{ r| c @ ru )TruncatedHeaderErrorz Exception for truncated headers.Nrv r9 r9 r9 r: r} $ r{ r} c @ ru )EOFHeaderErrorz"Exception for end of file headers.Nrv r9 r9 r9 r: r~ ' r{ r~ c @ ru )rL z Exception for invalid headers.Nrv r9 r9 r9 r: rL * r{ rL c @ ru )SubsequentHeaderErrorz3Exception for missing and invalid extended headers.Nrv r9 r9 r9 r: r - r{ r c @ 0 e Zd ZdZdd Zdd Zdd Zdd Zd S ) _LowLevelFilezLow-level file object. Supports reading and writing. It is used instead of a regular file object for streaming access. c C sF t jt jt jB t jB d| }tt dr|t jO }t ||d| _d S )NrwO_BINARYi ) osO_RDONLYO_WRONLYO_CREATO_TRUNChasattrr r fd)selfnamemoder9 r9 r: __init__: s z_LowLevelFile.__init__c C s t | j d S N)r closer r r9 r9 r: r C s z_LowLevelFile.closec C s t | j|S r )r rd r r r' r9 r9 r: rd F z_LowLevelFile.readc C s t | j| d S r )r re r r r5 r9 r9 r: re I s z_LowLevelFile.writeN)rw rx ry rz r r rd re r9 r9 r9 r: r 4 s r c @ sr e Zd ZdZdd Zdd Zdd Zdd Zd d Zd d Z dd Z dd Z d ddZ dd Z dd Zdd ZdS ) _Streama Class that serves as an adapter between TarFile and a stream-like object. The stream-like object only needs to have a read() or write() method and is accessed blockwise. Use of gzip or bzip2 compression is possible. A stream-like object could be for example: sys.stdin, sys.stdout, a socket, a tape device etc. _Stream is intended to be used only internally. c C s d| _ |du rt||}d| _ |dkrt|}| }|p d| _|| _|| _|| _|| _d| _ d| _ d| _ z|dkrlzddl }W n t yL td dw || _ |d| _|d kre| |j| _W dS | W dS |d krzddl}W n t y td dw |d krd| _| | _t| _W dS | | _W dS |d krzddl}W n t y tddw |d krd| _| | _|j | _W dS | | _W dS |dkrtd| W dS | j s| j d| _ )z$Construct a _Stream object. TNF* r gzz zlib module is not availabler bz2bz2 module is not availablexz lzma module is not availabletarunknown compression type %r) _extfileobjr _StreamProxy getcomptyper r comptypefileobjri r\ posclosedzlib ImportErrorr crc32crc _init_read_gzerrorrh _init_write_gzr dbufBZ2DecompressorcmpOSError BZ2CompressorlzmaLZMADecompressor LZMAErrorLZMACompressorr ) r r r r r ri r r r r9 r9 r: r W st z_Stream.__init__c C s$ t | dr| js| d S d S d S )Nr )r r r r r9 r9 r: __del__ s z_Stream.__del__c C s | j d| j j| j j | j jd| _tdtt }| d| d | j dr3| j dd | _ t j| j | _ | | j d d t dS ) z6Initialize for writing with gzip compression. r <Ls s .gzNz iso-8859-1replace)r compressobjDEFLATED MAX_WBITS DEF_MEM_LEVELr rZ packrJ time_Stream__writer endswithr r% basenamer2 r4 )r timestampr9 r9 r: r s z_Stream._init_write_gzc C sR | j dkr| j|| j| _| jt|7 _| j dkr"| j|}| | dS )z&Write string s to the stream. r r N) r r r r r r3 r compressr r r9 r9 r: re s z _Stream.writec C s` | j |7 _ t| j | jkr.| j| j d| j | j | jd | _ t| j | jksdS dS )z]Write string s to the stream if a whole new block is ready to be written. N)r\ r3 ri r re r r9 r9 r: __write s z_Stream.__writec C s | j rdS d| _ zP| jdkr | jdkr | j| j 7 _| jdkrL| jrL| j| j d| _| jdkrL| jt d| j | jt d| j d@ W | j sW| j dS dS | j sb| j w w ) z[Close the _Stream object. No operation should be done on it afterwards. NTr r r r r l )r r r r\ r flushr re rZ r r r r r r r9 r9 r: r s$ z _Stream.closec C s | j | j j | _d| _| ddkrtd| ddkr#tdt| d}| d |d @ rHt| dd t| d }| | |d @ rZ | d}|rX|t krYnqM|d @ rl | d}|rj|t krknq_|d@ rw| d dS dS )z:Initialize for reading a gzip compressed fileobj. r r$ s not a gzip filer# z unsupported compression method rD rC T N) r decompressobjr r r _Stream__readr r ordrd r4 )r flagxlenr5 r9 r9 r: r s4 z_Stream._init_read_gzc C | j S )z3Return the stream's file pointer position. )r r r9 r9 r: tell z _Stream.tellr c C sV || j dkr't|| j | j\}}t|D ]}| | j q| | | j S td)zXSet the stream's file pointer to pos. Negative seeking is forbidden. r z seeking backwards is not allowed)r rc ri rI rd r )r r rj rk rN r9 r9 r: seek s z _Stream.seekc C s, |dusJ | |}| jt|7 _|S )z5Return the next size number of bytes from the stream.N)_readr r3 )r r' r\ r9 r9 r: rd s z _Stream.readc C s | j dkr | |S t| j}| jg}||k rU| jr!| j}d| _n | j| j}|s+n*z| j |}W n | j yE } zt d|d}~ww | | |t|7 }||k sd |}||d | _|d| S )z+Return size bytes from the stream. r r zinvalid compressed dataN)r r r3 r r\ r rd ri r decompressrh r appendjoin)r r' ctr\ er9 r9 r: r s. z _Stream._readc C sp t | j}| jg}||k r&| j| j}|sn|| |t |7 }||k s d|}||d | _|d| S )zsReturn size bytes from stream. If internal buffer is empty, read another block from the stream. r N)r3 r\ r rd ri r r )r r' r r r\ r9 r9 r: __read- s z_Stream.__readN)r )rw rx ry rz r r r re r r r r r rd r r r9 r9 r9 r: r L s F r c @ r ) r zsSmall proxy class that enables transparent compression detection for the Stream interface (mode 'r|*'). c C s || _ | j t| _d S r )r rd BLOCKSIZEr\ )r r r9 r9 r: r C s z_StreamProxy.__init__c C s | j j| _| jS r )r rd r\ r r9 r9 r: rd G s z_StreamProxy.readc C sL | j drdS | j dd dkr | j dd dkr d S | j d r$d S d S ) Ns r r s BZhr s 1AY&SYr )s ] s 7zXZr r )r\ startswithr r9 r9 r: r K s $ z_StreamProxy.getcomptypec C s | j d S r )r r r r9 r9 r: r U r z_StreamProxy.closeN)rw rx ry rz r rd r r r9 r9 r9 r: r > s r c @ sj e Zd ZdZdddZdd Zdd Zd d Zd d Zd d Z e j fddZ dddZ dd Zdd ZdS ) _FileInFilezA thin wrapper around an existing file object that provides a part of its data as an individual file object. Nc C s || _ || _|| _d| _t|dd | _d| _|d u r d|fg}d| _g | _d}| j}|D ]&\}}||kr>| j d||d f | j d||| |f ||7 }|| }q,|| jk re| j d|| jd f d S d S )Nr r FT) r offsetr' positionrp r r map_indexmapr )r r r r' blockinfolastposrealposr9 r9 r: r b s* z_FileInFile.__init__c C s d S r r9 r r9 r9 r: r { z_FileInFile.flushc C dS NTr9 r r9 r9 r: readable~ r z_FileInFile.readablec C r NFr9 r r9 r9 r: writable r z_FileInFile.writablec C s | j S r )r seekabler r9 r9 r: r z_FileInFile.seekablec C r )z*Return the current file position. )r r r9 r9 r: r r z_FileInFile.tellc C s |t jkrtt|d| j| _| jS |t jkr4|dk r't| j| d| _| jS t| j| | j| _| jS |t jkrItt| j| | jd| _| jS td)z(Seek to a position in the file. r zInvalid argument) ioSEEK_SETminmaxr' r SEEK_CURSEEK_ENDr1 )r r whencer9 r9 r: r s z_FileInFile.seekc C s |du r | j | j }n t|| j | j }d}|dkr | j| j \}}}}|| j kr0|k r3n nn| jd7 _| jt| jkrEd| _qt||| j }|rp| j|| j| | j|}t||krkt d||7 }n|t | 7 }||8 }| j|7 _|dks|S )z!Read data from the file. Nr r Tr# r` ) r' r r r r r3 r r rd r r4 ) r r' r\ datastartstopr r6 rl r9 r9 r: rd s2 z_FileInFile.readc C s& | t|}||d t|< t|S r )rd r3 )r rl r\ r9 r9 r: readinto s z_FileInFile.readintoc C s d| _ d S r )r r r9 r9 r: r r z_FileInFile.closer )rw rx ry rz r r r r r r r r r rd r r r9 r9 r9 r: r \ s r c e Zd Z fddZ ZS ) ExFileObjectc s& t |j|j|j|j}t | d S r )r r offset_datar' sparsesuperr )r tarfiletarinfor __class__r9 r: r s zExFileObject.__init__rw rx ry r __classcell__r9 r9 r r: r s r c @ s e Zd ZdS ) FilterErrorN)rw rx ry r9 r9 r9 r: r s r c r )AbsolutePathErrorc s || _ t d|jd d S )Nzmember z has an absolute pathr r r r r r r r9 r: r s zAbsolutePathError.__init__r r9 r9 r r: r r c r )OutsideDestinationErrorc . || _ || _t |jd|dd d S )Nz would be extracted to , which is outside the destinationr _pathr r r r r r% r r9 r: r z OutsideDestinationError.__init__r r9 r9 r r: r r r c r )SpecialFileErrorc || _ t |jd d S )Nz is a special filer r r r9 r: r zSpecialFileError.__init__r r9 r9 r r: r r r c r )AbsoluteLinkErrorc r )Nz! is a symlink to an absolute pathr r r r9 r: r r zAbsoluteLinkError.__init__r r9 r9 r r: r r r c r )LinkOutsideDestinationErrorc r )Nz would link to r r r r r r9 r: r r z$LinkOutsideDestinationError.__init__r r9 r9 r r: r r r Tc C s i }| j }tj|}|dtjfr | jdtj }|d< tj|r*t| tjtj ||}tj ||g|krDt | || j }|d ur~|d@ }|ru| sY| rf|d@ sa|dM }|dO }n| sn| rqd }nt| || j kr~||d< |r| jd urd |d< | jd urd |d < | jd urd |d < | jd urd |d < | s| rtj| jrt| tjtj || j}tj ||g|krt| ||S ) N/r i @ i r r) r* r+ r, )r r r% realpathr seplstripisabsr r commonpathr r isregislnkisdirissymr r) r* r+ r, linknamer r )member dest_pathfor_data new_attrsr target_pathr r9 r9 r: _get_filtered_attrs sN r0 c C s | S r r9 )r+ r, r9 r9 r: fully_trusted_filter) r r1 c C s, t | |d}|r| jdi |ddiS | S )NFdeepr9 r0 r r+ r, r. r9 r9 r: tar_filter, r5 c C s, t | |d}|r| jdi |ddiS | S )NTr2 Fr9 r3 r4 r9 r9 r: data_filter2 r6 r7 ) fully_trustedr r s ([0-9]{1,20}) c @ s, e Zd ZdZed|i dddddddd d d d d ddddddddddddddd d d d d d!d"d#d$d%d&d%d'd%Zd}d)d*Zed+d, Zej d-d, Zed.d/ Z e j d0d/ Z d1d2 Z e e e e e e e e d3e d4 d5d6Z d7d8 Zeed9fd:d;Zd<d= Zd>d? Zd@dA ZedBdC ZdDdE ZedFdG ZedHdI ZedJdK ZedLdM Z edNdO Z edPdQ Z dRdS Z dTdU Z dVdW Z!dXdY Z"dZd[ Z#d\d] Z$d^d_ Z%d`da Z&dbdc Z'ddde Z(dfdg Z)dhdi Z*djdk Z+dldm Z,dndo Z-dpdq Z.drds Z/dtdu Z0dvdw Z1dxdy Z2dzd{ Z3d%S )~r a Informational class which holds the details about an archive member given by a tar header block. TarInfo objects are returned by TarFile.getmember(), TarFile.getmembers() and TarFile.gettarinfo() and are usually created internally. r zName of the archive member.r zPermission bits.r) z6User ID of the user who originally stored this member.r* z7Group ID of the user who originally stored this member.r' zSize in bytes.r( zTime of last modification.chksumzHeader checksum.typezFile type. type is usually one of these constants: REGTYPE, AREGTYPE, LNKTYPE, SYMTYPE, DIRTYPE, FIFOTYPE, CONTTYPE, CHRTYPE, BLKTYPE, GNUTYPE_SPARSE.r* zcName of the target file name, which is only present in TarInfo objects of type LNKTYPE and SYMTYPE.r+ z User name.r, z Group name.devmajorzDevice major number.devminorzDevice minor number.r zThe tar header starts here.r z The file's data starts here. pax_headerszMA dictionary containing key-value pairs of an associated pax extended header.r zSparse member information.r N_sparse_structs _link_targetr c C sj || _ d| _d| _d| _d| _d| _d| _t| _d| _ d| _ d| _ d| _ d| _ d| _d| _d| _i | _dS )zXConstruct a TarInfo object. name is the optional name of the member. i r r N)r r r) r* r' r( r9 REGTYPEr: r* r+ r, r; r< r r r r= r r r9 r9 r: r k s" zTarInfo.__init__c C r )z(In pax headers, "name" is called "path".r r r9 r9 r: r% r z TarInfo.pathc C || _ d S r rB rA r9 r9 r: r% c C r )z0In pax headers, "linkname" is called "linkpath".r* r r9 r9 r: r& r zTarInfo.linkpathc C rC r rE )r r* r9 r9 r: r& rD c C s d| j j| jt| f S )Nz<%s %r at %#x>)r rw r idr r9 r9 r: __repr__ s zTarInfo.__repr__T) r r( r r* r) r* r+ r, r2 _KEEPc C s | rt | } nt | } || ur|| _|| ur|| _|| ur"|| _|| ur)|| _|| ur0|| _|| ur7|| _|| ur>|| _|| urE|| _ | S )zGReturn a deep copy of self with the given attributes replaced. ) copydeepcopyr r( r r* r) r* r+ r, ) r r r( r r* r) r* r+ r, r2 rH resultr9 r9 r: r s( zTarInfo.replacec C s | j du rd}n| j d@ }| j|| j| j| j| j| j| j| j| j | j | j | j d }|d t kr>|d ds>|d d7 < |S )z9Return the TarInfo's attributes as a dictionary. N ) r r r) r* r' r( r9 r: r* r+ r, r; r< r: r r )r r r) r* r' r( r9 r: r* r+ r, r; r< DIRTYPEr )r r infor9 r9 r: get_info s( zTarInfo.get_infosurrogateescapec C sv | }| D ]\}}|du rtd| q|tkr"| |||S |tkr-| |||S |tkr7| ||S td)z<Return a tar header as a string of 512 byte blocks. Nz%s may not be Nonezinvalid format) rO itemsr1 r create_ustar_headerr create_gnu_headerr create_pax_header)r rT r7 r8 rN r valuer9 r9 r: tobuf s z TarInfo.tobufc C sn t |d< t|d ||tkrtdt|d ||tkr/| |d ||\|d< |d< | |t||S )z3Return the object as a ustar header block. magicr* zlinkname is too longr prefix) POSIX_MAGICr3 r2 LENGTH_LINKr1 LENGTH_NAME_posix_split_name_create_headerr )r rN r7 r8 r9 r9 r: rR s zTarInfo.create_ustar_headerc C s t |d< d}t|d ||tkr || |d t||7 }t|d ||tkr6|| |d t||7 }|| |t || S )z:Return the object as a GNU header block sequence. rW r r* r ) GNU_MAGICr3 r2 rZ _create_gnu_long_headerGNUTYPE_LONGLINKr[ GNUTYPE_LONGNAMEr] r )r rN r7 r8 r\ r9 r9 r: rS s zTarInfo.create_gnu_headerc C sD t |d< | j }ddtfddtfddfD ]2\}}}||v r qz || dd W n ty8 || ||< Y qw t|| |krG|| ||< qd D ]A\}}d }|| } t| t } | r_t | n| } d | krod |d k swn d ||< d}n| r| ||< d}|r||vrt | ||< qJ|r| |t |} nd} | | |tdd S )zReturn the object as a ustar header block. If it cannot be represented this way, prepend a pax extended header sequence with supplement information. rW r r% r* r& )r+ r+ )r, r, rb rE rF ))r) rC )r* rC )r' )r( rc Fr rC r# Tr r )rY r= rI r[ rZ r2 UnicodeEncodeErrorr3 isinstancefloatroundstr_create_pax_generic_headerXHDTYPEr] r ) r rN r7 r= r hnamer6 rS needs_paxval val_is_floatval_intr\ r9 r9 r: rT sD zTarInfo.create_pax_headerc C s | |tdS )zAReturn the object as a pax global header block sequence. r0 )ri XGLTYPE)clsr= r9 r9 r: create_pax_global_header6 s z TarInfo.create_pax_global_headerc C s| | d}tdt|D ]-}d|d| }d||d }t|||tkr9t|||tkr9 ||fS q td)zUSplit a name longer than 100 chars into a prefix and a name part. r r# Nzname is too long)splitrI r3 r r2 LENGTH_PREFIXr[ r1 )r r r7 r8 componentsrN rX r9 r9 r: r\ < s zTarInfo._posix_split_namec C s | dttfv }|r t| ddd|}t| ddd|}ntdd||}tdd||}| dt}|du r<tdt| d dd ||t| d dd @ d|t| d dd|t| ddd|t| ddd|t| ddd|d|t| ddd ||| dtt| ddd||t| ddd||||t| ddd||g}t dt d |} t | t d d } | dd t d | d | d d } | S ) zReturn a header block. info is a dictionary with file information, format must be one of the *_FORMAT constants. r: r; r rC r< r Nz TarInfo.type must not be Noner r r rL r) r* r' rc r( s r* rW r+ rb r, rX r z%dsr iz%06o rE i)getCHRTYPEBLKTYPErV r; r@ r1 rY rZ r r r r_ rP ) rN rT r7 r8 has_device_fieldsr; r< filetypepartsr\ r9 r9 r9 r: r] L s: &zTarInfo._create_headerc C s. t t| t\}}|dkr| t| t 7 } | S )zdReturn the string payload filled with zero bytes up to the next 512 byte border. r )rc r3 r r4 )payloadrj rk r9 r9 r: _create_payloadv s zTarInfo._create_payloadc C sR | ||t }i }d|d< ||d< t||d< t|d< | |t||| | S )zTReturn a GNUTYPE_LONGNAME or GNUTYPE_LONGLINK sequence for name. z ././@LongLinkr r: r' rW )r2 r4 r3 r^ r] r r} )rq r r: r7 r8 rN r9 r9 r: r_ s z TarInfo._create_gnu_long_headerc C s, d}| D ]\}}z|dd W q ty d}Y nw d}|r'|d7 }| D ]I\}}|d}|r=||d}n|d}t|t| d }d } } |tt| } | | kr^n| } qQ|tt| d d | d | d 7 }q+i } d| d< || d< t|| d< t| d< | | td d| | S )zReturn a POSIX.1-2008 extended or global header sequence that contains a list of keyword, value pairs. The values must be strings. Fr0 rF Tr s 21 hdrcharset=BINARY rP r r rE = z././@PaxHeaderr r: r' rW r ) rQ r2 rd r3 rh rP rY r] r r} ) rq r= r: r7 binarykeywordrU recordslrM r? rN r9 r9 r: ri sB ( z"TarInfo._create_pax_generic_headerc C sf t |dkr tdt |tkrtd|ttkr tdt|dd }|t|vr1t d| }t |dd |||_ t|dd |_ t|d d |_ t|d d |_t|d d |_t|d d |_||_|dd |_t |d d |||_t |dd |||_t |dd |||_t|dd |_t|dd |_t |dd ||}|jtkr|j drt|_|jtkrd}g }t dD ]0} zt|||d } t||d |d } W n t y Y n w | | | f |d7 }qt |d } t|dd } || | f|_ |! r |j "d|_ |r1|jt#vr1|d |j |_ |S ) zAConstruct a TarInfo object from a 512 byte bytes object. r z empty headerztruncated headerzend of file header z bad checksumr l t | i i i) iI iQ iY i r i r rc i i i )$r3 r| r r} countr4 r~ rO r_ rL r@ r r r) r* r' r( r9 r: r* r+ r, r; r< AREGTYPEr rM GNUTYPE_SPARSErI r1 r boolr> r( rstrip GNU_TYPES)rq r\ r7 r8 r9 objrX r structsrN r numbytes isextendedorigsizer9 r9 r: frombuf s\ zTarInfo.frombufc C s8 |j t}| ||j|j}|j t |_||S )zOReturn the next TarInfo object from TarFile object tarfile. ) r rd r r r7 r8 r r _proc_member)rq r r\ r r9 r9 r: fromtarfile s zTarInfo.fromtarfilec C sP | j ttfv r | |S | j tkr| |S | j tttfv r#| |S | |S )zYChoose the right processing method depending on the type and call it. ) r: ra r` _proc_gnulongr _proc_sparserj rp SOLARIS_XHDTYPE _proc_pax _proc_builtin)r r r9 r9 r: r s zTarInfo._proc_memberc C sh |j | _| j}| s| jtvr|| | j7 }||_| |j |j |j | r2| jd| _| S )zfProcess a builtin type or an unknown type which will be treated as a regular file. r )r r r r& r: SUPPORTED_TYPES_blockr' r _apply_pax_infor= r7 r8 r( r r )r r r r9 r9 r: r % s zTarInfo._proc_builtinc C s |j | | j}z| |}W n ty$ } ztt|dd}~ww | j|_| j t kr8t ||j |j |_n| j tkrFt ||j |j |_| rQ|jd|_|S )zSProcess the blocks that hold a GNU longname or longlink member. Nr )r rd r r' r r r rh r r: ra r@ r7 r8 r r` r* r( removesuffix)r r r\ nextr r9 r9 r: r ; s zTarInfo._proc_gnulongc C s | j \}}}| ` |rS|jt}d}tdD ]4}zt|||d }t||d |d } W n ty: Y nw |rF| rF||| f |d7 }qt|d }|s || _ |j | _ | j | | j |_|| _ | S )z8Process a GNU sparse header plus extra headers. r rc r i )r> r rd r rI rO r1 r r r r r r r' r ) r r r r r r\ r rN r r r9 r9 r: r V s, zTarInfo._proc_sparsec C s |j | | j}| jtkr|j}n|j }d}d}g }t||kr|| dkrt || }s6t dz t | d}W n tyJ t dw |dk rSt d|| t|kr_t d|d| d } ||dd | } | d\} } } | r| dks|| dkrt d||| | f | dkr|du r| d kr|j}nd }||7 }t||kr|| dks*|du rd }|D ]*\}} } | | d d |j}|tv r| | ||j|j}n | | d d |j}|||< qz| |}W n ty } ztt|dd}~ww d |v r| || n#d |v r | || n| d dkr3| ddkr3| ||| | jt t fv rf|!||j|j | j"|_"d|v rf|j#}|$ s[|jt%vrc|||j7 }||_"|S )zVProcess an extended or global header as described in POSIX.1-2008. r NrH r# r r s hdrcharsets BINARYr0 GNU.sparse.mapGNU.sparse.sizezGNU.sparse.major1zGNU.sparse.minorrG r' )&r rd r r' r: rp r= rI r3 _header_length_prefix_rematchrL rJ groupr1 r ro partitionr r7 _decode_pax_fieldr8 PAX_NAME_FIELDSr r r rh _proc_gnusparse_01_proc_gnusparse_00rv _proc_gnusparse_10rj r r r r r& r )r r r\ r= r r7 raw_headersr r6 header_value_end_offsetkeyword_and_value raw_keywordequals raw_valuer rU r r r r9 r9 r: r r s ) zTarInfo._proc_paxc C s g }g }|D ];\}}}|dkr&z | t| W q ty% tdw |dkrAz | t| W q ty@ tdw qtt|||_dS )z?Process a GNU tar extended sparse header, version 0.0. s GNU.sparse.offsetrH s GNU.sparse.numbytesN)r rJ r> r1 rL listzipr )r r r offsetsr _r rU r9 r9 r: r s" zTarInfo._proc_gnusparse_00c C s@ dd |d dD }tt|ddd |ddd |_dS )z?Process a GNU tar extended sparse header, version 0.1. c S s g | ]}t |qS r9 )rJ ).0xr9 r9 r: <listcomp> s z.TarInfo._proc_gnusparse_01.<locals>.<listcomp>r ,Nr$ r# )rs r r r )r r r= r r9 r9 r: r s (zTarInfo._proc_gnusparse_01c C s d}g }|j t}|dd\}}t|}t||d k rAd|vr*||j t7 }|dd\}}|t| t||d k s |j |_t t |ddd |ddd |_ dS )z?Process a GNU tar extended sparse header, version 1.0. Nr r# r$ ) r rd r rs rJ r3 r r r r r r )r r r= r fieldsr r\ numberr9 r9 r: r s (zTarInfo._proc_gnusparse_10c C s | D ]T\}}|dkrt| d| q|dkr t| dt| q|dkr-t| dt| q|tv rX|tv rIzt| |}W n tyH d}Y nw |dkrR|d}t| || q| | _dS ) zoReplace fields with supplemental information from a previous pax extended or global header. zGNU.sparse.namer% r r' zGNU.sparse.realsizer r N) rQ setattrrJ PAX_FIELDSPAX_NUMBER_FIELDSr1 r rI r= )r r= r7 r8 r rU r9 r9 r: r s& zTarInfo._apply_pax_infoc C s. z| |dW S ty | || Y S w )z1Decode a single field from a pax record. rF )r> UnicodeDecodeError)r rU r7 fallback_encodingfallback_errorsr9 r9 r: r , s zTarInfo._decode_pax_fieldc C s" t |t\}}|r |d7 }|t S )z_Round up a byte count by BLOCKSIZE and return it, e.g. _block(834) => 1024. r# )rc r )r r rj rk r9 r9 r: r 4 s zTarInfo._blockc C s | j tv S z4Return True if the Tarinfo object is a regular file.)r: REGULAR_TYPESr r9 r9 r: r& = rD z TarInfo.isregc C s | S r )r& r r9 r9 r: isfileA s zTarInfo.isfilec C | j tkS )z!Return True if it is a directory.)r: rM r r9 r9 r: r( E rD z TarInfo.isdirc C r )z%Return True if it is a symbolic link.)r: SYMTYPEr r9 r9 r: r) I rD z TarInfo.issymc C r )z!Return True if it is a hard link.)r: LNKTYPEr r9 r9 r: r' M rD z TarInfo.islnkc C r )z(Return True if it is a character device.)r: rw r r9 r9 r: ischrQ rD z TarInfo.ischrc C r )z$Return True if it is a block device.)r: rx r r9 r9 r: isblkU rD z TarInfo.isblkc C r )z Return True if it is a FIFO.)r: FIFOTYPEr r9 r9 r: isfifoY rD zTarInfo.isfifoc C s | j d uS r )r r r9 r9 r: issparse] r zTarInfo.issparsec C s | j tttfv S )zCReturn True if it is one of character device, block device or FIFO.)r: rw rx r r r9 r9 r: isdev` s z TarInfo.isdevr9 )r )4rw rx ry rz dict __slots__r propertyr% setterr& rG rH r rO r r rV rR rS rT classmethodrr r\ staticmethodr] r} r_ ri r r r r r r r r r r r r r r& r r( r) r' r r r r r r9 r9 r9 r: r H s : ) 2 > y r c @ s e Zd ZdZdZdZdZdZeZ e Z dZ e ZeZdZ dfdd Zedddefd d Zedgd d ZedhddZedhddZediddZdddddZdd Zd d Z d d Z d d! Z djd"d#Z dkdd%d&d'Z dldd(d)d*Z!dmd+d,Z"d-d. Z#dnddd0d1d2Z$doddd0d4d5Z%d6d7 Z&d8d9 Z'd:d; Z(d<d= Z)d>d? Z* $ dpd@dAZ+dBdC Z,dDdE Z-dFdG Z.dHdI Z/dJdK Z0dLdM Z1dNdO Z2dPdQ Z3dRdS Z4dTdU Z5dqdVdWZ6dXdY Z7dmdZd[Z8d\d] Z9d^d_ Z:d`da Z;dbdc Z<ddde Z=dS )rr z=The TarFile Class provides an interface to tar archives. r Fr# Nr rP c C s ddddd}||vrt d|| _|| | _|s4| jdkr*tj|s*d| _d| _t|| j}d | _n |d u rHt|d rHt |j t t frH|j }t|d rQ|j| _d | _|r\tj |nd | _ || _|d uri|| _|d urp|| _|d urw|| _|d ur~|| _|d ur|| _| | _| d ur| jtkr| | _ni | _| d ur| | _| d ur| | _| | _d | _g | _d | _ | j | _ i | _ z|| jdkrd | _ | ! | _ | jdkr | j"| j z| j#| }| j$| W n# t%y | j"| j Y n t&y } zt't |d d }~ww q| jdv r2d | _ | jr5| j(| j) }| j*| | j t+|7 _ W d S W d S W d S | jsD| j, d | _ )a Open an (uncompressed) tar archive `name'. `mode' is either 'r' to read from an existing archive, 'a' to append data to an existing file or 'w' to create a new file overwriting an existing one. `mode' defaults to 'r'. If `fileobj' is given, it is used for reading or writing data. If it can be determined, `mode' is overridden by `fileobj's mode. `fileobj' is not closed, when TarFile is closed. rbzr+bwbxbr ar r !mode must be 'r', 'a', 'w' or 'x'r r FNr r Tr r r r )-r1 r _moder r% exists bltn_openr r re r rh rP abspathr rT r dereference ignore_zerosr7 r8 r r= debug errorlevel copybufsizer members_loadedr r inodes firstmemberr r r r r~ r r rr rI re r3 r )r r r r rT r r r r7 r8 r= r r r modesr r\ r9 r9 r: r s zTarFile.__init__c s |s|st d|dv ro fdd}g }t j|dD ]G}t j| } |dur-| } z | |d|fi |W S ttfyb } z|d| d | |durX|| W Y d} ~ qd} ~ ww d |} td | d |v r| d d \} }| p~d} |pd}| jv rt j| } ntd| | || |fi |S d|v r| dd \} }| pd} |pd}| dvrt dt || |||}z || |fi |}W n | d|_ |S |dv r j|||fi |S t d)a Open a tar archive for reading, writing or appending. Return an appropriate TarFile class. mode: 'r' or 'r:*' open for reading with transparent compression 'r:' open for reading exclusively uncompressed 'r:gz' open for reading with gzip compression 'r:bz2' open for reading with bzip2 compression 'r:xz' open for reading with lzma compression 'a' or 'a:' open for appending, creating the file if necessary 'w' or 'w:' open for writing without compression 'w:gz' open for writing with gzip compression 'w:bz2' open for writing with bzip2 compression 'w:xz' open for writing with lzma compression 'x' or 'x:' create a tarfile exclusively without compression, raise an exception if the file is already created 'x:gz' create a gzip compressed tarfile, raise an exception if the file is already created 'x:bz2' create a bzip2 compressed tarfile, raise an exception if the file is already created 'x:xz' create an lzma compressed tarfile, raise an exception if the file is already created 'r|*' open a stream of tar blocks with transparent compression 'r|' open an uncompressed stream of tar blocks for reading 'r|gz' open a gzip compressed stream of tar blocks 'r|bz2' open a bzip2 compressed stream of tar blocks 'r|xz' open an lzma compressed stream of tar blocks 'w|' open an uncompressed stream for writing 'w|gz' open a gzip compressed stream for writing 'w|bz2' open a bzip2 compressed stream for writing 'w|xz' open an lzma compressed stream for writing znothing to open)r r:*c s j | dkS )Ntaropen) OPEN_METH)r rq r9 r: not_compressed r z$TarFile.open.<locals>.not_compressed)keyNr z - method z: z'file could not be opened successfully: :r# r r |r zmode must be 'r' or 'w'Fr zundiscernible mode)r1 sortedr rp r r r r r r rs r r r r )rq r r r ri kwargsr error_msgsr func saved_posr error_msgs_summaryfilemodestreamr r9 r r: r sZ % z TarFile.openc K s$ |dvrt d| |||fi |S )zCOpen uncompressed tar archive name for reading or writing. r r )r1 )rq r r r r r9 r9 r: r N s zTarFile.taropenr c K s |dvrt dzddlm} W n ty tddw z |||d ||}W n tyB } z|dur=|dkr=td | d}~ww z | j|||fi |}W n! tyj } z| |dkretd | d}~w | d |_ |S ) zkOpen gzip compressed tar archive name for reading or writing. Appending is not allowed. r r r mode must be 'r', 'w' or 'x'r )GzipFilez gzip module is not availableNrl r r F) r1 gzipr r r r r r r r ) rq r r r compresslevelr r r r r9 r9 r: gzopenV s8 zTarFile.gzopenc K s |dvrt dzddlm} W n ty tddw ||p!|||d}z | j|||fi |}W n# ttfyO } z| |dkrJt d | d}~w | d |_ |S ) zlOpen bzip2 compressed tar archive name for reading or writing. Appending is not allowed. r r r )BZ2Filer N)r r znot a bzip2 fileF) r1 r r r r r r EOFErrorr r r ) rq r r r r r r r r r9 r9 r: bz2openw s* zTarFile.bz2openc K s |dvrt dz ddlm}m} W n ty tddw ||p#|||d}z | j|||fi |}W n# |tfyQ } z| |dkrLt d | d} ~ w | d |_ |S ) zkOpen lzma compressed tar archive name for reading or writing. Appending is not allowed. r r r )LZMAFiler r N)presetr znot an lzma fileF) r1 r r r r r r r r r r ) rq r r r r r r r r r r9 r9 r: xzopen s* zTarFile.xzopenr r r r )r r r r c C s | j rdS d| _ z;| jdv r7| jttd | jtd 7 _t| jt\}}|dkr7| jtt| W | j sB| j dS dS | j sM| j w w )zlClose the TarFile. In write-mode, two finishing zero blocks are appended to the archive. NTr r$ r ) r r r re r4 r r rc RECORDSIZEr r )r rj rk r9 r9 r: r s z TarFile.closec C s( | |d}|du rtd| |S )a Return a TarInfo object for member `name'. If `name' can not be found in the archive, KeyError is raised. If a member occurs more than once in the archive, its last occurrence is assumed to be the most up-to-date version. r Nzfilename %r not found) _getmemberr KeyError)r r r r9 r9 r: getmember s zTarFile.getmemberc C s | | js | | jS )zReturn the members of the archive as a list of TarInfo objects. The list has the same order as the members in the archive. )_checkr _loadr r r9 r9 r: getmembers s zTarFile.getmembersc C s dd | D S )zReturn the members of the archive as a list of their names. It has the same order as the list returned by getmembers(). c S s g | ]}|j qS r9 rB )r r r9 r9 r: r s z$TarFile.getnames.<locals>.<listcomp>)r r r9 r9 r: getnames s zTarFile.getnamesc C sJ | d |dur |j}|du r|}tj|\}}|tjd}|d}| }| |_ |du r@| j s:t |}n t |}nt | }d}|j}t |r|j|jf} | j ss|jdkrs| | jv rs|| j| krst} | j| }n;t} | d r~|| j| < n/t |rt} n't |rt} n t |rt } t |}nt |rt } n t |rt!} ndS ||_||_"|j#|_$|j%|_&| tkr|j'|_(nd|_(|j)|_*| |_+||_,t-rz t-.|j$d |_/W n t0y Y nw t1rz t12|j&d |_3W n t0y Y nw | t t!fv r#t4tdr#t4tdr#t5|j6|_7t8|j6|_9|S ) a Create a TarInfo object from the result of os.stat or equivalent on an existing file. The file is either named by `name', or specified as a file object `fileobj' with a file descriptor. If given, `arcname' specifies an alternative name for the file in the archive, otherwise, the name is taken from the 'name' attribute of 'fileobj', or the 'name' argument. The name should be a text string. awxNr r r# r majorminor):r r r r% splitdriver r" r# r r r lstatstatfstatfilenost_modeS_ISREGst_inost_devst_nlinkr r r@ S_ISDIRrM S_ISFIFOr S_ISLNKr readlinkS_ISCHRrw S_ISBLKrx r st_uidr) st_gidr* st_sizer' st_mtimer( r: r* pwdgetpwuidr+ r grpgetgrgidr, r r st_rdevr; r r< ) r r arcnamer drvr statresr* stmdinoder: r9 r9 r: gettarinfo s zTarFile.gettarinfoT)r c C s" | |du r | }|D ]}|rf|jdu rtd ntt|j td|jp)|j|jp.|jf | s:| rGtdd|j |j f ntd|j |jdu rXtd ntdt|jdd t|j| rod nd |r| rtd |j | rtd |j t q dS )a Print a table of contents to sys.stdout. If `verbose' is False, only the names of the members are printed. If it is True, an `ls -l'-like output is produced. `members' is optional and must be a subset of the list returned by getmembers(). Nz ??????????z%s/%sz%10sz%d,%dz%10dz????-??-?? ??:??:??z%d-%02d-%02d %02d:%02d:%02dr r r z-> zlink to )r r rt r r r+ r) r, r* r r r; r< r' r( r localtimer r( r) r* r' rs )r verboser r r9 r9 r: r M s: z TarFile.listfilterc C sP | d |du r |}| jdur#tj|| jkr#| dd| dS | d| | ||}|du r=| dd| dS |durS||}|du rS| dd| dS | rut|d}| || W d dS 1 snw Y dS | r| | |rt t |D ]}| j tj||tj||||d qdS dS | | dS ) a! Add the file `name' to the archive. `name' may be any type of file (directory, fifo, symbolic link, etc.). If given, `arcname' specifies an alternative name for the file in the archive. Directories are added recursively by default. This can be avoided by setting `recursive' to False. `filter' is a function that expects a TarInfo object argument and returns the changed TarInfo object, if it returns None the TarInfo object will be excluded from the archive. r Nr$ ztarfile: Skipped %rr# z tarfile: Unsupported type %rtarfile: Excluded %rr r9 )r r r r% r _dbgr6 r& r addfiler( r listdiraddr )r r r1 recursiver: r fr9 r9 r: r? s s< " z TarFile.addc C s | d t|}|| j| j| j}| j| | jt |7 _| j }|durWt || j|j |d t |j t\}}|dkrN| jtt| |d7 }| j|t 7 _| j| dS )a Add the TarInfo object `tarinfo' to the archive. If `fileobj' is given, it should be a binary file, and tarinfo.size bytes are read from it and added to the archive. You can create TarInfo objects directly, or by using gettarinfo(). r N)ri r r# )r rI rV rT r7 r8 r re r r3 r rb r' rc r r4 r r )r r r r\ ri rj rk r9 r9 r: r= s zTarFile.addfilec C sh |d u r| j }|d u r tS t|trtd|S t|r |S zt| W S ty3 td|dd w )NzrString names are not supported for TarFile.extraction_filter. Use a function such as tarfile.data_filter directly.zfilter z not found) extraction_filterr1 re rh TypeErrorcallable_NAMED_FILTERSr r1 )r r: r9 r9 r: _get_filter_function s z TarFile._get_filter_function.) numeric_ownerr: c C s g }| |}|du r | }|D ]#}| |||}|du r q| r&|| | j||| |d q|jdd dd |D ]7}tj||j } z| j || |d | || | || W q> t yu } z | | W Y d} ~ q>d} ~ ww dS )a Extract all members from the archive to the current working directory and set owner, modification time and permissions on directories afterwards. `path' specifies a different directory to extract to. `members' is optional and must be a subset of the list returned by getmembers(). If `numeric_owner` is True, only the numbers for user/group names are used and not the names. The `filter` function will be called on each member just before extraction. It can return a changed TarInfo or None to skip the member. String names of common filters are accepted. N set_attrsrH c S r r rB )r r9 r9 r: <lambda> s z$TarFile.extractall.<locals>.<lambda>T)r reverse)rH )rF _get_extract_tarinfor( r _extract_onesortr r% r r chownutimechmodr _handle_nonfatal_error) r r% r rH r: directoriesfilter_functionr+ r dirpathr r9 r9 r: extractall s2 zTarFile.extractallr c C s8 | |}| |||}|dur| |||| dS dS )a Extract a member from the archive to the current working directory, using its full name. Its file information is extracted as accurately as possible. `member' may be a filename or a TarInfo object. You can specify a different directory using `path'. File attributes (owner, mtime, mode) are set unless `set_attrs' is False. If `numeric_owner` is True, only the numbers for user/group names are used and not the names. The `filter` function will be called before extraction. It can return a changed TarInfo or None to skip the member. String names of common filters are accepted. N)rF rM rN )r r+ r% rJ rH r: rU r r9 r9 r: extract s zTarFile.extractc C s t |tr | |}n|}|}z|||}W n/ ttfy/ } z | | W Y d}~nd}~w tyE } z | | W Y d}~nd}~ww |du rU| dd|j dS | rgt |}t j ||j|_|S )z@Get filtered TarInfo (or None) from member, which might be a strNr$ r; )re rh r r r _handle_fatal_errorr rS r< r r' rI r r% r r* r? )r r+ rU r% r unfilteredr r9 r9 r: rM s( z TarFile._get_extract_tarinfoc C s | d z| j|tj||j||d W dS ty/ } z | | W Y d}~dS d}~w tyF } z | | W Y d}~dS d}~ww )z%Extract from filtered tarinfo to diskr rI N) r _extract_memberr r% r r r rY r rS )r r r% rJ rH r r9 r9 r: rN ( s zTarFile._extract_onec C s | j dkr | dd| dS )z=Handle non-fatal error (ExtractError) according to errorlevelr# tarfile: %sN)r r< r r r9 r9 r: rS 5 s z TarFile._handle_nonfatal_errorc C sp | j dkr t|tr)|jdu r| dd|j dS | dd|j|jf dS | ddt|j|f dS )z1Handle "fatal" error according to self.errorlevelr Nr# r\ ztarfile: %s %rztarfile: %s %s)r re r filenamer< strerrorr: rw r] r9 r9 r: rY < s zTarFile._handle_fatal_errorc C sz | d t|tr| |}n|}| s|jtvr!| | |S | s)| r;t| j t r3t d| | |S dS )a\ Extract a member from the archive as a file object. `member' may be a filename or a TarInfo object. If `member' is a regular file or a link, an io.BufferedReader object is returned. For all other existing members, None is returned. If `member' does not appear in the archive, KeyError is raised. r z'cannot extract (sym)link as file objectN)r re rh r r& r: r fileobjectr' r) r r r extractfile_find_link_target)r r+ r r9 r9 r: ra H s zTarFile.extractfilec C sV | d}|dtj}tj|}|r tj|s t| | s'| r4| dd|j |j f n| d|j | rF| || nF| rQ| || n;| r\| || n0| sd| rk| || n!| ss| rz| || n|jtvr| || n| || |r| ||| | s| || | || dS dS dS )z\Extract the TarInfo object tarinfo to a physical file called targetpath. r r# z%s -> %sN) r r r r" r% dirnamer makedirsr' r) r< r r* r& makefiler( makedirr makefifor r makedevmakelinkr: r makeunknownrP rR rQ )r r targetpathrJ rH upperdirsr9 r9 r: r[ h s8 zTarFile._extract_memberc C sB z|j du rt| W dS t|d W dS ty Y dS w )z,Make a directory called targetpath. Ni )r r mkdirFileExistsErrorr r rk r9 r9 r: rf s zTarFile.makedirc C s | j }||j | j}t|d?}|jdur7|jD ]\}}|| t|||t| q||j | nt|||jt| W d dS W d dS 1 sSw Y dS )z'Make a file called targetpath. r N) r r r r r r rb r r' truncate)r r rk sourceri targetr r' r9 r9 r: re s "zTarFile.makefilec C s" | || | dd|j dS )zYMake a file from a TarInfo object with an unknown type at targetpath. r# z9tarfile: Unknown file type %r, extracted as regular file.N)re r< r: ro r9 r9 r: rj s zTarFile.makeunknownc C s t tdr t| dS td)z'Make a fifo called targetpath. mkfifoz fifo not supported by systemN)r r rs r ro r9 r9 r: rg s zTarFile.makefifoc C sj t tdr t tdstd|j}|du rd}| r!|tjO }n|tjO }t||t |j |j dS )z<Make a character or block device called targetpath. mknodrh z'special devices not supported by systemNr ) r r r r r r S_IFBLKS_IFCHRrt rh r; r< )r r rk r r9 r9 r: rh s zTarFile.makedevc C s z6| rtj|rt| t|j| W dS tj|jr+t |j| W dS | | || W dS t yW z | | || W Y dS t yV tddw w )zMake a (symbolic) link called targetpath. If it cannot be created (platform limitation), we try to make a copy of the referenced file instead of a link. z%unable to resolve link inside archiveN)r) r r% lexistsunlinksymlinkr* r r? linkr[ rb symlink_exceptionr r ro r9 r9 r: ri s& zTarFile.makelinkc C s t tdrt dkr|j}|j}|sEztr!|jr!t|jd }W n ty+ Y nw zt r:|j r:t |j d }W n tyD Y nw |du rKd}|du rQd}z | ret tdret ||| W dS t||| W dS ty } ztd|d}~ww dS dS )zSet owner of targetpath according to tarinfo. If numeric_owner is True, use .gid/.uid instead of .gname/.uname. If numeric_owner is False, fall back to .gid/.uid when the search based on name fails. geteuidr r$ Nr< lchownzcould not change owner)r r r| r* r) r. r, getgrnamr r, r+ getpwnamr) r} rP r r )r r rk rH gur r9 r9 r: rP s> z TarFile.chownc C sF |j du rdS z t||j W dS ty" } ztd|d}~ww )zASet file permissions of targetpath according to tarinfo. Nzcould not change mode)r r rR r r )r r rk r r9 r9 r: rR s z TarFile.chmodc C sZ |j }|du r dS ttdsdS z t|||f W dS ty, } ztd|d}~ww )zBSet modification time of targetpath according to tarinfo. NrQ z"could not change modification time)r( r r rQ r r )r r rk r( r r9 r9 r: rQ s z TarFile.utimec C s: | d | jdur| j}d| _|S | j| j kr-| j| jd | jds-tdd} z| j | }W n t ye } z!| j r[| dd| j|f | jt 7 _W Y d}~q/W Y d}~nd}~w ty } z-| j r| dd| j|f | jt 7 _W Y d}~q/| jdkrtt|dW Y d}~nqd}~w ty | jdkrtd dY n[ ty } z| jdkrtt|dW Y d}~nBd}~w ty } ztt|dd}~w ty } z zddl}t||jrtd | d| ty |w d}~ww |dur| j| |S d| _|S ) zReturn the next member of the archive as a TarInfo object, when TarFile is opened for reading. Return None if there is no more available. raNr# r` Tr$ z0x%X: %sr z empty filez zlib error: )r r r r r r rd r r r r~ r r< r rL rh r| r} r Exceptionr re r r r r r )r mr r r r9 r9 r: r + st z TarFile.nextc C s | }d}|dur#z||}W n ty d}Y nw |d| }|r+tj|}t|D ]"}|r<|j|jkr;d}q/|rFtj|j}n|j}||krQ| S q/|rXt|dS )z}Find an archive member by name from bottom to top. If tarinfo is given, it is used as the starting point. FNT) r indexr1 r r% normpathreversedr r ) r r r normalizer skippingr r+ member_namer9 r9 r: r j s2 zTarFile._getmemberc C s | }|du r nqd| _dS )zWRead through the entire archive file and look for readable members. TN)r r r r9 r9 r: r s z TarFile._loadc C s> | j r td| jj |dur| j|vr td| j dS dS )znCheck if TarFile is still open, and if the operation's mode corresponds to TarFile's mode. z %s is closedNzbad operation for mode %r)r r r rw r )r r r9 r9 r: r s zTarFile._checkc C s` | rdtdtj|j|jf}d}n|j}|}| j||dd}|du r.t d| |S )zZFind the target member of a symlink or hardlink member in the archive. r NT)r r zlinkname %r not found) r) r r: r r% rc r r* r r )r r r* limitr+ r9 r9 r: rb s zTarFile._find_link_targetc c s | j r | jE dH dS d}| jdur | }|d7 }|V |t| jk r,| j| }n| j s;| }|s:d| _ dS ndS |d7 }|V q )z$Provide an iterator object. Nr r# T)r r r r r3 )r r r r9 r9 r: __iter__ s, zTarFile.__iter__c C s || j krt|tjd dS dS )z.Write debugging output to sys.stderr. fileN)r rs rq stderr)r levelmsgr9 r9 r: r< s z TarFile._dbgc C s | | S r )r r r9 r9 r: __enter__ s zTarFile.__enter__c C s. |d u r | d S | js| j d| _d S r )r r r r )r r: rU tracebackr9 r9 r: __exit__ s zTarFile.__exit__) Nr NNNNNNrP NNNN)r N)r Nr )r NN)NNNTr r )rG N)r T)TFr )>rw rx ry rz r r r r r rT r r7 r8 r r r r` rB r r r r r r r r r r r r r r6 r r? r= rF rW rX rM rN rS rY ra r[ rf re rj rg rh ri rP rR rQ r r r r rb r r< r r r9 r9 r9 r: r e s o] c& 3 - 1! ?( r c C sB zt | dr t| d}nt| }| W dS ty Y dS w )zReturn True if name points to a tar archive that we are able to handle, else return False. 'name' should be a string, file, or file-like object. rd )r TF)r r r r )r r r9 r9 r: r s r c C sh dd l } d}| j|d}|jdddddd |jd d td d |jdd}|jddddd |jdddddd |jdd dd d d |jd d dd!d | }|jr]|jd u r]|d"d# |j d ur|j }t |rt |d$}| t | tjd% W d n1 sw Y |jrt d&| d S d S |d"d'| d S |jd ur|j}t |rt |d(}|j|jd) W d d S 1 sw Y d S |d"d'| d S |jd urRt|jd"kr|jd }tj}nt|jd*kr|j\}}n|d"| t |rGt |d(}|j||jd+ W d n 1 s%w Y |jrE|d,kr9d-|} nd.||} t | d S d S |d"d'| d S |jd ur|jd} tj | \} } d/d/d0d0d1d1d1d1d2} | | v r|d3| | nd4}|j}t | |}|D ]}| | qW d n 1 sw Y |jrt d5| d S d S d S )6Nr z3A simple command-line interface for tarfile module.) descriptionz-vz --verbose store_trueFzVerbose output)actiondefaulthelpz--filterz <filtername>zFilter for extraction)metavarchoicesr T)requiredz-lz--list <tarfile>zShow listing of a tarfile)r r z-ez --extract+)r z <output_dir>z Extract tarfile into target dir)nargsr r z-cz--create)z<name>z<file>zCreate tarfile from sourcesz-tz--testzTest if a tarfile is validr# z&--filter is only valid for extraction r r z{!r} is a tar archive.z{!r} is not a tar archive. r )r8 r$ )r% r: rG z{!r} file is extracted.z+{!r} file is extracted into {!r} directory.r r r )r z.tgzz.xzz.txzz.bz2z.tbzz.tbz2z.tb2zw:r z{!r} file created.) argparseArgumentParser add_argumentrE add_mutually_exclusive_group parse_argsr: rX exittestr r r rs rq r r8 rT r r r3 r curdir format_helprW createpopr% splitextr? )r r parserr argsrf r tfr r tar_namer ext compressionstar_mode tar_files file_namer9 r9 r: main s " r __main__r )mrz version __author__ __credits__builtinsr r rq r r ra r r rZ rI rewarningsr, r r. AttributeErrorNotImplementedErrorr{ r NameError__all__r4 r r r^ rY r[ rZ rt r@ r r r rw rx rM r CONTTYPEra r` r rj rp r r r r r r r r r r rf rJ r r r getfilesystemencodingr; r@ rO rV r_ rb rt r r r r r r r r| r} r~ rL r r r objectr r BufferedReaderr r r r r r r r0 r1 r5 r7 rE rH compiler r r r r rw r9 r9 r9 r: <module> s$ s h 8 # _