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Edit File: tarfile.cpython-38.pyc
U >£h\u ã @ st d Z dZdZdZddlmZ ddlZddlZddl Z ddl Z ddl Z ddl Z ddl Z ddlZddlZz ddlZW n ek rˆ dZY nX z ddlZW n ek r® dZY nX eefZzeef7 ZW n ek rÚ Y nX ddd d d d d ddddddddgZdZdZed ZdZ dZ dZ dZ d Z d Z!dZ"d Z#d Z$d Z%d!Z&d"Z'd#Z(d$Z)d%Z*d&Z+d'Z,d(Z-d)Z.d*Z/dZ0d+Z1d,Z2e2Z3e!e"e#e$e'e(e)e%e&e*e+e,f Z4e!e"e)e,fZ5e*e+e,fZ6d-Z7d.d/d0d1hZ8e9e9e9e:e:e:d2œZ;ej<d3krÔd4Z=ne >¡ Z=d5d6„ Z?d7d8„ Z@d9d:„ ZAd;e3fd<d=„ZBd>d?„ ZCdedfd@dA„ZDdBdC„ ZEG dDd „ d eFƒZGG dEd„ deGƒZHG dFd „ d eGƒZIG dGd „ d eGƒZJG dHd „ d eGƒZKG dId„ deGƒZLG dJdK„ dKeLƒZMG dLdM„ dMeLƒZNG dNdO„ dOeLƒZOG dPdQ„ dQeLƒZPG dRdS„ dSeLƒZQG dTdU„ dUƒZRG dVdW„ dWƒZSG dXdY„ dYeTƒZUG dZd[„ d[eTƒZVG d\d]„ d]e jWƒZXe Yd^¡ZZG d_d„ deTƒZ[G d`d„ deTƒZ\dad „ Z]e\jZdbdc„ Z^e_ddkrpe^ƒ dS )ez,Read from and write to tar format archives. z0.9.0u" Lars Gustäbel (lars@gustaebel.de)u4 Gustavo Niemeyer, Niels Gustäbel, Richard Townsend.é )ÚopenNÚTarFileÚTarInfoÚ is_tarfileÚTarErrorÚ ReadErrorÚCompressionErrorÚ StreamErrorÚ ExtractErrorÚ HeaderErrorÚENCODINGÚ USTAR_FORMATÚ GNU_FORMATÚ PAX_FORMATÚDEFAULT_FORMATr ó i é s ustar s ustar 00éd é› ó 0ó 1ó 2ó 3ó 4ó 5ó 6ó 7ó Ló Kó Só xó gó Xé é )ÚpathÚlinkpathÚsizeÚmtimeÚuidÚgidÚunameÚgnamer% r& r+ r, )ZatimeÚctimer( r) r* r' Úntúutf-8c C s( | ||¡} | d|… |t| ƒ t S )z8Convert a string to a null-terminated bytes object. N)ÚencodeÚlenÚNUL)ÚsÚlengthÚencodingÚerrors© r7 ú /usr/lib/python3.8/tarfile.pyÚstnž s r9 c C s* | d¡}|dkr | d|… } | ||¡S )z8Convert a null-terminated bytes object to a string. r éÿÿÿÿN)ÚfindÚdecode)r3 r5 r6 Úpr7 r7 r8 Únts¤ s r> c C s¦ | d dkrbd}t t| ƒd ƒD ] }|dK }|| |d 7 }q | d dkr¢dt| ƒd | }n@z"t| ddƒ} t| ¡ p|d dƒ}W n tk r td ƒ‚Y nX |S ) z/Convert a number field to a python number. r )é€ éÿ r# é r@ é ÚasciiÚstrictÚ0úinvalid header)Úranger1 r> ÚintÚstripÚ ValueErrorÚInvalidHeaderError)r3 ÚnÚir7 r7 r8 Únti¬ s rN rA c C sØ t | ƒ} d| kr$d|d k rDn n td|d | f dƒt }n|tkrÌd|d | krrd|d k rÌn nV| dkrŠtdgƒ}ntdgƒ}d| | } t|d ƒD ] }| d| d@ ¡ | dL } q¬ntd ƒ‚|S ) z/Convert a python number to a number field. r rA r# z%0*orC rB r? r@ zoverflow in number field)rH Úbytesr2 r Ú bytearrayrG ÚinsertrJ )rL ÚdigitsÚformatr3 rM r7 r7 r8 ÚitnÀ s 2 rT c C s0 dt t d| ¡ƒ }dt t d| ¡ƒ }||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. rB Z 148B8x356BZ 148b8x356b)ÚsumÚstructZ unpack_from)ÚbufZunsigned_chksumZ signed_chksumr7 r7 r8 Ú calc_chksumsÝ s rX c C s¦ |pd}|dkrdS |dkr.t | ||¡ dS t||ƒ\}}t|ƒD ],}| |¡}t|ƒ|k rf|dƒ‚| |¡ qD|dkr¢| |¡}t|ƒ|k r˜|dƒ‚| |¡ dS )zjCopy length bytes from fileobj src to fileobj dst. If length is None, copy the entire content. i @ r Núunexpected end of data)ÚshutilÚ copyfileobjÚdivmodrG Úreadr1 Úwrite) ÚsrcZdstr4 Ú exceptionÚbufsizeÚblocksÚ remainderÚbrW r7 r7 r8 r[ ê s$ r[ c C s8 t tjdd ƒ}|d k r(| |d¡ |¡} t| dd d S )Nr5 Úbackslashreplaceú )Úend)ÚgetattrÚsysÚstdoutr0 r< Úprint)r3 r5 r7 r7 r8 Ú _safe_print s rl c @ s e Zd ZdZdS )r zBase exception.N©Ú__name__Ú __module__Ú __qualname__Ú__doc__r7 r7 r7 r8 r s c @ s e Zd ZdZdS )r z%General exception for extract errors.Nrm r7 r7 r7 r8 r s c @ s e Zd ZdZdS )r z&Exception for unreadable tar archives.Nrm r7 r7 r7 r8 r s c @ s e Zd ZdZdS )r z.Exception for unavailable compression methods.Nrm r7 r7 r7 r8 r s c @ s e Zd ZdZdS )r z=Exception for unsupported operations on stream-like TarFiles.Nrm r7 r7 r7 r8 r s c @ s e Zd ZdZdS )r z!Base exception for header errors.Nrm r7 r7 r7 r8 r s c @ s e Zd ZdZdS )ÚEmptyHeaderErrorz Exception for empty headers.Nrm r7 r7 r7 r8 rr s rr c @ s e Zd ZdZdS )ÚTruncatedHeaderErrorz Exception for truncated headers.Nrm r7 r7 r7 r8 rs s rs c @ s e Zd ZdZdS )ÚEOFHeaderErrorz"Exception for end of file headers.Nrm r7 r7 r7 r8 rt " s rt c @ s e Zd ZdZdS )rK z Exception for invalid headers.Nrm r7 r7 r7 r8 rK % s rK c @ s e Zd ZdZdS )ÚSubsequentHeaderErrorz3Exception for missing and invalid extended headers.Nrm r7 r7 r7 r8 ru ( s ru c @ s0 e Zd ZdZdd„ Zdd„ Zdd„ Zdd „ Zd S ) Ú _LowLevelFilez‰Low-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 dœ| }tt dƒr2|t jO }t ||d¡| _d S )N©ÚrÚwÚO_BINARYi¶ ) ÚosÚO_RDONLYÚO_WRONLYÚO_CREATÚO_TRUNCÚhasattrrz r Úfd)ÚselfÚnameÚmoder7 r7 r8 Ú__init__5 s þý z_LowLevelFile.__init__c C s t | j¡ d S ©N)r{ Úcloser ©r‚ r7 r7 r8 r‡ > s z_LowLevelFile.closec C s t | j|¡S r† )r{ r] r ©r‚ r' r7 r7 r8 r] A s z_LowLevelFile.readc C s t | j|¡ d S r† )r{ r^ r ©r‚ r3 r7 r7 r8 r^ D s z_LowLevelFile.writeN)rn ro rp rq r… r‡ r] r^ r7 r7 r7 r8 rv / s rv c @ sr e Zd ZdZdd„ Zdd„ Zdd„ Zdd „ Zd d „ Zd d „ Z dd„ Z dd„ Z d dd„Z dd„ Z dd„ Zdd„ ZdS ) Ú_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 sä d| _ |dkr t||ƒ}d| _ |dkr6t|ƒ}| ¡ }|p<d| _|| _|| _|| _|| _d| _ d| _ d| _ zL|dkrÖz ddl }W n t k rž td ƒ‚Y nX || _ | d¡| _|d krÌ| ¡ |j| _n| ¡ nà|d kr:z ddl}W n t k r td ƒ‚Y nX |d kr.d| _| ¡ | _t| _n | ¡ | _n||d kr z ddl}W n t k rn tdƒ‚Y nX |d kr”d| _| ¡ | _|j | _n | ¡ | _n|dkr¶td| ƒ‚W n& | j sÒ| j ¡ d| _ ‚ Y nX dS )z$Construct a _Stream object. TNFÚ*Ú ó r Úgzz zlib module is not availablerx Úbz2úbz2 module is not availableÚxzú lzma module is not availableÚtarúunknown compression type %r) Ú _extfileobjrv Ú _StreamProxyÚ getcomptyperƒ r„ ÚcomptypeÚfileobjra rW ÚposÚclosedÚzlibÚ ImportErrorr Úcrc32ÚcrcÚ _init_read_gzÚerrorr` Ú_init_write_gzr ÚdbufZBZ2DecompressorÚcmpÚOSErrorZ BZ2CompressorÚlzmaZLZMADecompressorÚ LZMAErrorZLZMACompressorr‡ ) r‚ rƒ r„ r™ rš ra r r r§ r7 r7 r8 r… R sl z_Stream.__init__c C s t | dƒr| js| ¡ d S )Nrœ )r€ rœ r‡ rˆ r7 r7 r8 Ú__del__˜ s z_Stream.__del__c C s’ | j d| j j| j j | j jd¡| _t dtt ¡ ƒ¡}| d| d ¡ | j d¡rf| j dd… | _ t j | j ¡| _ | | j d d ¡t ¡ dS ) z6Initialize for writing with gzip compression. é r ú<Ls ‹s ÿú.gzNéýÿÿÿz iso-8859-1Úreplace)r Z compressobjZDEFLATEDÚ MAX_WBITSZ DEF_MEM_LEVELr¥ rV ÚpackrH ÚtimeÚ_Stream__writerƒ Úendswithr{ r% Úbasenamer0 r2 )r‚ Z timestampr7 r7 r8 r£ œ s ý z_Stream._init_write_gzc C sR | j dkr | j || j¡| _| jt|ƒ7 _| j dkrD| j |¡}| |¡ dS )z&Write string s to the stream. r r” N) r™ r rŸ r r› r1 r¥ Úcompressr² rŠ r7 r7 r8 r^ ¬ s z _Stream.writec C sN | j |7 _ t| j ƒ| jkrJ| j | j d| j… ¡ | j | jd… | _ qdS )z]Write string s to the stream if a whole new block is ready to be written. N)rW r1 ra rš r^ rŠ r7 r7 r8 Z__write¶ s z_Stream.__writec C s² | j r dS d| _ zŠ| jdkr:| jdkr:| j| j ¡ 7 _| jdkr˜| jr˜| j | j¡ d| _| jdkr˜| j t d| j ¡¡ | j t d| j d@ ¡¡ W 5 | js¬| j ¡ X dS ) z[Close the _Stream object. No operation should be done on it afterwards. NTry r” rŽ r r« l ÿÿ )rœ r– rš r‡ r„ r™ rW r¥ Úflushr^ rV r° r r› rˆ r7 r7 r8 r‡ ¿ s z _Stream.closec C sê | j | j j ¡| _d| _| d¡dkr0tdƒ‚| d¡dkrFtdƒ‚t| d¡ƒ}| d¡ |d @ rt| d¡ƒd t| d¡ƒ }| |¡ |d @ r²| d¡}|r²|t kr˜q²q˜|d @ rÔ| d¡}|rÔ|t krºqÔqº|d@ ræ| d¡ d S )z:Initialize for reading a gzip compressed fileobj. rŽ r$ s ‹únot a gzip filer# ó z unsupported compression methodé é rB rA é N) r Z decompressobjr¯ r¥ r¤ Ú _Stream__readr r Úordr] r2 )r‚ ÚflagZxlenr3 r7 r7 r8 r¡ Õ s* z_Stream._init_read_gzc C s | j S )z3Return the stream's file pointer position. )r› rˆ r7 r7 r8 Útellô s z _Stream.tellr c C sX || j dkrJt|| j | jƒ\}}t|ƒD ]}| | j¡ q,| |¡ ntdƒ‚| j S )zXSet the stream's file pointer to pos. Negative seeking is forbidden. r z seeking backwards is not allowed)r› r\ ra rG r] r )r‚ r› rb rc rM r7 r7 r8 Úseekù s z _Stream.seekc C s, |dk s t ‚| |¡}| jt|ƒ7 _|S )z5Return the next size number of bytes from the stream.N)ÚAssertionErrorÚ_readr› r1 )r‚ r' rW r7 r7 r8 r] s z _Stream.readc C s | j dkr| |¡S t| jƒ}| jg}||k rž| jrB| j}d| _n| j | j¡}|sVqžz| j |¡}W n | j k r„ t dƒ‚Y nX | |¡ |t|ƒ7 }q&d |¡}||d… | _|d|… S )z+Return size bytes from the stream. r” rŽ zinvalid compressed dataN)r™ r¼ r1 r¤ rW rš r] ra r¥ Ú decompressr` r ÚappendÚjoin©r‚ r' ÚcÚtrW r7 r7 r8 r s( z _Stream._readc C sj t | jƒ}| jg}||k rF| j | j¡}|s.qF| |¡ |t |ƒ7 }qd |¡}||d… | _|d|… S )zsReturn size bytes from stream. If internal buffer is empty, read another block from the stream. rŽ N)r1 rW rš r] ra rÄ rÅ rÆ r7 r7 r8 Z__read( s z_Stream.__readN)r )rn ro rp rq r… r© r£ r^ r² r‡ r¡ r¿ rÀ r] r r¼ r7 r7 r7 r8 r‹ G s F r‹ c @ s0 e Zd ZdZdd„ Zdd„ Zdd„ Zdd „ Zd S ) r— zsSmall proxy class that enables transparent compression detection for the Stream interface (mode 'r|*'). c C s || _ | j t¡| _d S r† )rš r] Ú BLOCKSIZErW )r‚ rš r7 r7 r8 r… > s z_StreamProxy.__init__c C s | j j| _| jS r† )rš r] rW r‰ r7 r7 r8 r] B s z_StreamProxy.readc C sP | j d¡rdS | j dd… dkr8| j dd… dkr8d S | j d ¡rHd S d S d S ) Ns ‹r r é s BZhrº é s 1AY&SYr )s ] €s ý7zXZr’ r” )rW Ú startswithrˆ r7 r7 r8 r˜ F s $ z_StreamProxy.getcomptypec C s | j ¡ d S r† )rš r‡ rˆ r7 r7 r8 r‡ P s z_StreamProxy.closeN)rn ro rp rq r… r] r˜ r‡ r7 r7 r7 r8 r— 9 s r— c @ sj e Zd ZdZddd„Zdd„ Zdd„ Zd d „ Zd d „ Zd d„ Z e j fdd„Z ddd„Z dd„ Zdd„ ZdS )Ú _FileInFilezA thin wrapper around an existing file object that provides a part of its data as an individual file object. Nc C sÊ || _ || _|| _d| _t|dd ƒ| _d| _|d kr>d|fg}d| _g | _d}| j}|D ]L\}}||kr|| j d||d f¡ | j d||| |f¡ ||7 }|| }qX|| jk rÆ| j d|| jd f¡ d S )Nr rƒ FT) rš Úoffsetr' Úpositionrh rƒ rœ Ú map_indexÚmaprÄ )r‚ rš rÎ r' Z blockinfoZlastposZrealposr7 r7 r8 r… ] s( z_FileInFile.__init__c C s d S r† r7 rˆ r7 r7 r8 r¶ v s z_FileInFile.flushc C s dS ©NTr7 rˆ r7 r7 r8 Úreadabley s z_FileInFile.readablec C s dS )NFr7 rˆ r7 r7 r8 Úwritable| s z_FileInFile.writablec C s | j ¡ S r† )rš Úseekablerˆ r7 r7 r8 rÕ s z_FileInFile.seekablec C s | j S )z*Return the current file position. )rÏ rˆ r7 r7 r8 r¿ ‚ s z_FileInFile.tellc C s |t jkr tt|dƒ| jƒ| _nj|t jkr\|dk rFt| j| dƒ| _qŠt| j| | jƒ| _n.|t jkr‚tt| j| | jƒdƒ| _ntdƒ‚| jS )z(Seek to a position in the file. r zInvalid argument) ÚioÚSEEK_SETÚminÚmaxr' rÏ ÚSEEK_CURÚSEEK_ENDrJ )r‚ rÏ Úwhencer7 r7 r8 rÀ ‡ s z_FileInFile.seekc C s |dkr| j | j }nt|| j | j ƒ}d}|dkr| j| j \}}}}|| j kr`|k rhqŽ nqŽq6| jd7 _| jt| jƒkr6d| _q6t||| j ƒ}|râ| j || j| ¡ | j |¡}t|ƒ|krØt dƒ‚||7 }n |t | 7 }||8 }| j|7 _q,|S )z!Read data from the file. NrŽ r r# rY ) r' rÏ rØ rÑ rÐ r1 rš rÀ r] r r2 ) r‚ r' rW ÚdataÚstartÚstoprÎ r4 rd r7 r7 r8 r] — s, z_FileInFile.readc C s& | t|ƒ¡}||d t|ƒ…< t|ƒS r† )r] r1 )r‚ rd rW r7 r7 r8 Úreadinto¶ s z_FileInFile.readintoc C s d| _ d S rÒ )rœ rˆ r7 r7 r8 r‡ » s z_FileInFile.close)N)N)rn ro rp rq r… r¶ rÓ rÔ rÕ r¿ rÖ r× rÀ r] rà r‡ r7 r7 r7 r8 rÍ W s rÍ c s e Zd Z‡ fdd„Z‡ ZS )Ú ExFileObjectc s& t |j|j|j|jƒ}tƒ |¡ d S r† )rÍ rš Ú offset_datar' ÚsparseÚsuperr… )r‚ ÚtarfileÚtarinforš ©Ú __class__r7 r8 r… Á s ÿzExFileObject.__init__)rn ro rp r… Ú __classcell__r7 r7 rç r8 rá ¿ s rá s ([0-9]{1,20}) c @ sº e Zd ZdZedddddddd d d d d dddddddddZdedd„Zedd„ ƒZej dd„ ƒZedd „ ƒZ e j d d „ ƒZ d d „ Z d d!„ Z e ed"fd#d$„Zd%d&„ Zd'd(„ Zd)d*„ Zed+d,„ ƒZd-d.„ Zed/d0„ ƒZed1d2„ ƒZed3d4„ ƒZed5d6„ ƒZed7d8„ ƒZed9d:„ ƒZ d;d<„ Z d=d>„ Z d?d@„ Z dAdB„ Z dCdD„ Z!dEdF„ Z"dGdH„ Z#dIdJ„ Z$dKdL„ Z%dMdN„ Z&dOdP„ Z'dQdR„ Z(dSdT„ Z)dUdV„ Z*dWdX„ Z+dYdZ„ Z,d[d\„ Z-d]d^„ Z.d_d`„ Z/dadb„ Z0dcdd„ Z1dS )fr 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. zName of the archive member.zPermission bits.z6User ID of the user who originally stored this member.z7Group ID of the user who originally stored this member.zSize in bytes.zTime of last modification.zHeader checksum.z–File type. type is usually one of these constants: REGTYPE, AREGTYPE, LNKTYPE, SYMTYPE, DIRTYPE, FIFOTYPE, CONTTYPE, CHRTYPE, BLKTYPE, GNUTYPE_SPARSE.zcName of the target file name, which is only present in TarInfo objects of type LNKTYPE and SYMTYPE.z User name.z Group name.zDevice major number.zDevice minor number.zThe tar header starts here.z The file's data starts here.zMA dictionary containing key-value pairs of an associated pax extended header.zSparse member information.N)rƒ r„ r) r* r' r( ÚchksumÚtypeÚlinknamer+ r, ÚdevmajorÚdevminorrÎ râ Ú pax_headersrã rå Ú_sparse_structsÚ _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)rƒ r„ r) r* r' r( rê ÚREGTYPErë rì r+ r, rí rî rÎ râ rã rï ©r‚ rƒ r7 r7 r8 r… ñ s" zTarInfo.__init__c C s | j S )z(In pax headers, "name" is called "path".©rƒ rˆ r7 r7 r8 r% s z TarInfo.pathc C s || _ d S r† rô ró r7 r7 r8 r% s c C s | j S )z0In pax headers, "linkname" is called "linkpath".©rì rˆ r7 r7 r8 r& s zTarInfo.linkpathc C s || _ d S r† rõ )r‚ rì r7 r7 r8 r& s c C s d| j j| jt| ƒf S )Nz<%s %r at %#x>)rè rn rƒ Úidrˆ r7 r7 r8 Ú__repr__ s zTarInfo.__repr__c C sl | j | jd@ | j| j| j| j| j| j| j| j | j | j | j dœ }|d t krh|d d¡sh|d d7 < |S )z9Return the TarInfo's attributes as a dictionary. éÿ ) rƒ r„ r) r* r' r( rê rë rì r+ r, rí rî rë rƒ ú/)rƒ r„ r) r* r' r( rê rë rì r+ r, rí rî ÚDIRTYPEr³ )r‚ Úinfor7 r7 r8 Úget_info s" ózTarInfo.get_infoÚsurrogateescapec C sT | ¡ }|tkr | |||¡S |tkr4| |||¡S |tkrH| ||¡S tdƒ‚dS )z<Return a tar header as a string of 512 byte blocks. zinvalid formatN)rü r Úcreate_ustar_headerr Úcreate_gnu_headerr Úcreate_pax_headerrJ )r‚ rS r5 r6 rû r7 r7 r8 Útobuf6 s z TarInfo.tobufc C sn t |d< t|d ||¡ƒtkr(tdƒ‚t|d ||¡ƒtkr^| |d ||¡\|d< |d< | |t||¡S )z3Return the object as a ustar header block. Úmagicrì zlinkname is too longrƒ Úprefix) Ú POSIX_MAGICr1 r0 Ú LENGTH_LINKrJ Ú LENGTH_NAMEÚ_posix_split_nameÚ_create_headerr )r‚ rû r5 r6 r7 r7 r8 rþ D s zTarInfo.create_ustar_headerc C s€ t |d< d}t|d ||¡ƒtkr<|| |d t||¡7 }t|d ||¡ƒtkrl|| |d t||¡7 }|| |t ||¡ S )z:Return the object as a GNU header block sequence. r rŽ rì rƒ ) Ú GNU_MAGICr1 r0 r Ú_create_gnu_long_headerÚGNUTYPE_LONGLINKr ÚGNUTYPE_LONGNAMEr r )r‚ rû r5 r6 rW r7 r7 r8 rÿ Q s zTarInfo.create_gnu_headerc C s* t |d< | j ¡ }ddtfddtfddfD ]j\}}}||kr>q*z|| dd ¡ W n$ tk rv || ||< Y q*Y nX t|| ƒ|kr*|| ||< q*d D ]`\}}||kr´d ||< qš|| }d | krØd |d k ræn n t|t ƒršt |ƒ||< d ||< qš|r| |t |¡} nd} | | |tdd¡ S )z³Return the object as a ustar header block. If it cannot be represented this way, prepend a pax extended header sequence with supplement information. r rƒ r% rì r& )r+ r+ é )r, r, r rC rD ))r) rA )r* rA )r' é )r( r r rA r# rŽ r® )r rï Úcopyr r r0 ÚUnicodeEncodeErrorr1 Ú isinstanceÚfloatÚstrÚ_create_pax_generic_headerÚXHDTYPEr r ) r‚ rû r5 rï rƒ Zhnamer4 rR ÚvalrW r7 r7 r8 r _ s8 þ * zTarInfo.create_pax_headerc C s | |td¡S )zAReturn the object as a pax global header block sequence. r/ )r ÚXGLTYPE)Úclsrï r7 r7 r8 Úcreate_pax_global_header s z TarInfo.create_pax_global_headerc C s~ | d¡}tdt|ƒƒD ]T}d |d|… ¡}d ||d… ¡}t| ||¡ƒtkrt| ||¡ƒtkr qvqtdƒ‚||fS )zUSplit a name longer than 100 chars into a prefix and a name part. rù r# Nzname is too long)ÚsplitrG r1 rÅ r0 Ú LENGTH_PREFIXr rJ )r‚ rƒ r5 r6 Z componentsrM r r7 r7 r8 r – s ÿzTarInfo._posix_split_namec C sV t | dd¡d||ƒt| dd¡d@ d|ƒt| dd¡d|ƒt| d d¡d|ƒt| d d¡d |ƒt| d d¡d |ƒd | dt¡t | dd¡d||ƒ| dt¡t | dd¡d||ƒt | dd¡d||ƒt| dd¡d|ƒt| dd¡d|ƒt | dd¡d||ƒg}t dt d |¡¡}t |t d… ƒd }|dd… t d | d ƒ |d d… }|S ) z„Return a header block. info is a dictionary with file information, format must be one of the *_FORMAT constants. rƒ r r r„ r rø rA r) r* r' r r( s rë rì r r+ r r, rí rî r r z%dsrŽ Ni”þÿÿz%06o rC i›þÿÿ) r9 ÚgetrT rò r rV r° rÉ rÅ rX rO )rû rS r5 r6 ÚpartsrW rê r7 r7 r8 r ¦ s( ñ&zTarInfo._create_headerc C s. t t| ƒtƒ\}}|dkr*| t| t 7 } | S )zdReturn the string payload filled with zero bytes up to the next 512 byte border. r )r\ r1 rÉ r2 )Zpayloadrb rc r7 r7 r8 Ú_create_payload s zTarInfo._create_payloadc C sR | ||¡t }i }d|d< ||d< t|ƒ|d< t|d< | |t||¡| |¡ S )zTReturn a GNUTYPE_LONGNAME or GNUTYPE_LONGLINK sequence for name. z ././@LongLinkrƒ rë r' r )r0 r2 r1 r r r r )r rƒ rë r5 r6 rû r7 r7 r8 r Ì s ÿz TarInfo._create_gnu_long_headerc C s2 d}| ¡ D ]8\}}z| dd¡ W q tk rB d}Y qFY q X q d}|rV|d7 }| ¡ D ]\}}| d¡}|r‚| |d¡}n | d¡}t|ƒt|ƒ d }d } } |tt| ƒƒ } | | krÂqÈ| } q¨|tt| ƒd ƒd | d | d 7 }q^i } d| d< || d< t|ƒ| d< t| d< | | td d¡| |¡ S )z¡Return a POSIX.1-2008 extended or global header sequence that contains a list of keyword, value pairs. The values must be strings. Fr/ rD TrŽ s 21 hdrcharset=BINARY rý rÊ r rC ó ó =ó z././@PaxHeaderrƒ rë r' r r® ) Úitemsr0 r r1 r rO r r r r ) r rï rë r5 ZbinaryÚkeywordÚvalueZrecordsÚlrL r= rû r7 r7 r8 r Ý s< ( ÿz"TarInfo._create_pax_generic_headerc C sv t |ƒdkrtdƒ‚t |ƒtkr(tdƒ‚| t¡tkr>tdƒ‚t|dd… ƒ}|t|ƒkrbt dƒ‚| ƒ }t |dd… ||ƒ|_ t|dd … ƒ|_ t|d d … ƒ|_ t|d d … ƒ|_t|d d … ƒ|_t|d d… ƒ|_||_|dd … |_t |d d… ||ƒ|_t |dd… ||ƒ|_t |dd… ||ƒ|_t|dd… ƒ|_t|dd… ƒ|_t |dd… ||ƒ}|jtkr†|j d¡r†t|_|jtkr8d}g }t dƒD ]l} z0t|||d … ƒ} t||d |d … ƒ} W n t k rô Y qY nX | | | f¡ |d7 }q¢t |d ƒ} t|dd … ƒ} || | f|_ | !¡ rP|j "d¡|_ |rr|jt#krr|d |j |_ |S ) zAConstruct a TarInfo object from a 512 byte bytes object. r z empty headerztruncated headerzend of file headeré” éœ z bad checksumr él ét é| éˆ é i i i) iI iQ iY iô rù i‚ rº r é iâ iã iï )$r1 rr rÉ rs Úcountr2 rt rN rX rK r> rƒ r„ r) r* r' r( rê rë rì r+ r, rí rî ÚAREGTYPEr³ rú ÚGNUTYPE_SPARSErG rJ rÄ Úboolrð ÚisdirÚrstripÚ GNU_TYPES)r rW r5 r6 rê Úobjr r› ÚstructsrM rÎ ÚnumbytesÚ isextendedÚorigsizer7 r7 r8 Úfrombuf sZ zTarInfo.frombufc C s8 |j t¡}| ||j|j¡}|j ¡ t |_| |¡S )zOReturn the next TarInfo object from TarFile object tarfile. ) rš r] rÉ r: r5 r6 r¿ rÎ Ú _proc_member)r rå rW r5 r7 r7 r8 Ú fromtarfileO s zTarInfo.fromtarfilec C sT | j ttfkr| |¡S | j tkr,| |¡S | j tttfkrF| |¡S | |¡S dS )zYChoose the right processing method depending on the type and call it. N) rë r r Ú _proc_gnulongr0 Ú _proc_sparser r ÚSOLARIS_XHDTYPEÚ _proc_paxÚ _proc_builtin)r‚ rå r7 r7 r8 r; d s zTarInfo._proc_memberc C sR |j ¡ | _| j}| ¡ s$| jtkr4|| | j¡7 }||_| |j |j |j ¡ | S )zfProcess a builtin type or an unknown type which will be treated as a regular file. ) rš r¿ râ Úisregrë ÚSUPPORTED_TYPESÚ_blockr' rÎ Ú_apply_pax_inforï r5 r6 )r‚ rå rÎ r7 r7 r8 rA q s zTarInfo._proc_builtinc C s† |j | | j¡¡}z| |¡}W n tk r> tdƒ‚Y nX | j|_| jt krft ||j |j ƒ|_ n | jtkr‚t ||j |j ƒ|_|S )zSProcess the blocks that hold a GNU longname or longlink member. ú missing or bad subsequent header)rš r] rD r' r< r ru rÎ rë r r> r5 r6 rƒ r rì )r‚ rå rW Únextr7 r7 r8 r= ‚ s zTarInfo._proc_gnulongc C sÚ | j \}}}| ` |rª|j t¡}d}tdƒD ]n}z0t|||d … ƒ}t||d |d … ƒ} W n tk rz Y qœY nX |r’| r’| || f¡ |d7 }q,t|d ƒ}q|| _ |j ¡ | _ | j | | j ¡ |_|| _ | S )z8Process a GNU sparse header plus extra headers. r é r r- iø )rð rš r] rÉ rG rN rJ rÄ r1 rã r¿ râ rD r' rÎ ) r‚ rå r6 r8 r9 rW r› rM rÎ r7 r7 r7 r8 r> ˜ s( zTarInfo._proc_sparsec C sÌ |j | | j¡¡}| jtkr&|j}n |j ¡ }d}d}g }t|ƒ|krj|| dkrjt ||¡ }spt dƒ‚zt | d¡ƒ}W n tk rž t dƒ‚Y nX |dk r°t dƒ‚|| t|ƒkrÈt dƒ‚| d¡| d } || d¡d | … } | d¡\} } } | r | dks || dkr&t dƒ‚| || | f¡ | dkr`|dkr`| d kr\|j}nd }||7 }q<|dkrxd }|D ]X\}} } | | d d |j¡}|tkr¸| | ||j|j¡}n| | d d |j¡}|||< q|z| |¡}W n tk r td ƒ‚Y nX d |kr | ||¡ nFd |kr4| ||¡ n.| d¡dkrb| d¡dkrb| |||¡ | jt t fkrÈ| ||j|j¡ | j!|_!d|krÈ|j"}| #¡ s²|jt$krÂ|| |j¡7 }||_!|S )zVProcess an extended or global header as described in POSIX.1-2008. r NrF r# é r rË s hdrcharsets BINARYr/ rF úGNU.sparse.mapúGNU.sparse.sizezGNU.sparse.majorÚ1zGNU.sparse.minorrE r' )%rš r] rD r' rë r rï r r1 Ú_header_length_prefix_reÚmatchrK rH ÚgrouprJ rÞ rg Ú partitionrÄ r5 Ú_decode_pax_fieldr6 ÚPAX_NAME_FIELDSr< r ru Ú_proc_gnusparse_01Ú_proc_gnusparse_00r Ú_proc_gnusparse_10r r? rE rÎ râ rB rC )r‚ rå rW rï r› r5 Ú raw_headersrN r4 Zheader_value_end_offsetZkeyword_and_valueZ raw_keywordZequalsZ raw_valuer# r$ rG rÎ r7 r7 r8 r@ ´ s| ÿ ÿ ÿ zTarInfo._proc_paxc C s¦ g }g }|D ]„\}}}|dkrTz| t| ¡ ƒ¡ W q tk rP tdƒ‚Y qX q |dkr z| t| ¡ ƒ¡ W q tk rŽ tdƒ‚Y q X q tt||ƒƒ|_dS )z?Process a GNU tar extended sparse header, version 0.0. s GNU.sparse.offsetrF s GNU.sparse.numbytesN)rÄ rH r< rJ rK ÚlistÚziprã )r‚ rG rV Zoffsetsr7 Ú_r# r$ r7 r7 r8 rT - s zTarInfo._proc_gnusparse_00c C s@ dd„ |d d¡D ƒ}tt|ddd… |ddd… ƒƒ|_dS )z?Process a GNU tar extended sparse header, version 0.1. c S s g | ] }t |ƒ‘qS r7 )rH )Ú.0Úxr7 r7 r8 Ú <listcomp>D s z.TarInfo._proc_gnusparse_01.<locals>.<listcomp>rJ ú,Nr$ r# )r rW rX rã )r‚ rG rï rã r7 r7 r8 rS A s zTarInfo._proc_gnusparse_01c C s¨ d}g }|j t¡}| dd¡\}}t|ƒ}t|ƒ|d k rtd|krT||j t¡7 }| dd¡\}}| t|ƒ¡ q,|j ¡ |_t t |ddd… |ddd… ƒƒ|_ dS )z?Process a GNU tar extended sparse header, version 1.0. Nr! r# r$ ) rš r] rÉ r rH r1 rÄ r¿ râ rW rX rã )r‚ rG rï rå Zfieldsrã rW Znumberr7 r7 r8 rU G s zTarInfo._proc_gnusparse_10c C s | ¡ D ]ª\}}|dkr&t| d|ƒ q|dkr@t| dt|ƒƒ q|dkrZt| dt|ƒƒ q|tkr|tkr”zt| |ƒ}W n tk r’ d}Y nX |dkr¦| d¡}t| ||ƒ q| ¡ | _dS ) zoReplace fields with supplemental information from a previous pax extended or global header. zGNU.sparse.namer% rK r' zGNU.sparse.realsizer rù N) r" ÚsetattrrH Ú PAX_FIELDSÚPAX_NUMBER_FIELDSrJ r3 r rï )r‚ rï r5 r6 r# r$ r7 r7 r8 rE W s" zTarInfo._apply_pax_infoc C s4 z| |d¡W S tk r. | ||¡ Y S X dS )z1Decode a single field from a pax record. rD N)r< ÚUnicodeDecodeError)r‚ r$ r5 Zfallback_encodingZfallback_errorsr7 r7 r8 rQ n s zTarInfo._decode_pax_fieldc C s2 |dk rt dƒ‚t|tƒ\}}|r*|d7 }|t S )z_Round up a byte count by BLOCKSIZE and return it, e.g. _block(834) => 1024. r zinvalid offsetr# )rK r\ rÉ )r‚ r. rb rc r7 r7 r8 rD v s zTarInfo._blockc C s | j tkS ©z4Return True if the Tarinfo object is a regular file.)rë Ú REGULAR_TYPESrˆ r7 r7 r8 rB ‚ s z TarInfo.isregc C s | ¡ S rb )rB rˆ r7 r7 r8 Úisfile† s zTarInfo.isfilec C s | j tkS )z!Return True if it is a directory.)rë rú rˆ r7 r7 r8 r2 Š s z TarInfo.isdirc C s | j tkS )z%Return True if it is a symbolic link.)rë ÚSYMTYPErˆ r7 r7 r8 ÚissymŽ s z TarInfo.issymc C s | j tkS )z!Return True if it is a hard link.)rë ÚLNKTYPErˆ r7 r7 r8 Úislnk’ s z TarInfo.islnkc C s | j tkS )z(Return True if it is a character device.)rë ÚCHRTYPErˆ r7 r7 r8 Úischr– s z TarInfo.ischrc C s | j tkS )z$Return True if it is a block device.)rë ÚBLKTYPErˆ r7 r7 r8 Úisblkš s z TarInfo.isblkc C s | j tkS )z Return True if it is a FIFO.)rë ÚFIFOTYPErˆ r7 r7 r8 Úisfifož s zTarInfo.isfifoc C s | j d k S r† )rã rˆ r7 r7 r8 Úissparse¢ s zTarInfo.issparsec C s | j tttfkS )zCReturn True if it is one of character device, block device or FIFO.)rë ri rk rm rˆ r7 r7 r8 Úisdev¥ s z TarInfo.isdev)r )2rn ro rp rq ÚdictÚ __slots__r… Úpropertyr% Úsetterr& r÷ rü r r r rþ rÿ r Ú classmethodr r Ú staticmethodr r r r r: r< r; rA r= r> r@ rT rS rU rE rQ rD rB rd r2 rf rh rj rl rn ro rp r7 r7 r7 r8 r Î s” è 1 2 > y c @ s´ e Zd ZdZdZdZdZdZeZ e Z dZ e ZeZd\dd „Zedddefd d „ƒZed]d d „ƒZed^dd„ƒZed_dd„ƒZed`dd„ƒZdddddœZdd„ Zd d „ Zd d „ Z d d!„ Z dad"d#„Z dbdd%œd&d'„Z dcdd(œd)d*„Z ddd+d,„Z!dedd.œd/d0„Z"dfdd.œd2d3„Z#d4d5„ Z$dgd6d7„Z%d8d9„ Z&d:d;„ Z'd<d=„ Z(d>d?„ Z)d@dA„ Z*dBdC„ Z+dDdE„ Z,dFdG„ Z-dHdI„ Z.dJdK„ Z/dhdLdM„Z0dNdO„ Z1didPdQ„Z2dRdS„ Z3dTdU„ Z4dVdW„ Z5dXdY„ Z6dZd[„ Z7dS )jr z=The TarFile Class provides an interface to tar archives. r Fr# Nrx rý c C sª dddddœ}||kr t dƒ‚|| _|| | _|sh| jdkrTtj |¡sTd| _d| _t|| jƒ}d | _n@|d krt|d ƒrt |j t t fƒr|j }t|d ƒr¢|j| _d | _|r¸tj |¡nd | _ || _|d k rÒ|| _|d k rà|| _|d k rî|| _|d k rü|| _|d k r || _| | _| d k r0| jtkr0| | _ni | _| d k rF| | _| d k rV| | _| | _d | _g | _d | _ | j ¡ | _ i | _ zþ| jdkržd | _ | !¡ | _ | jdkr2| j "| j ¡ z | j #| ¡}| j $|¡ W nX t%k rþ | j "| j ¡ Y q2Y n0 t&k r, } zt't |ƒƒ‚W 5 d }~X Y nX qª| jdkr|d | _ | jr|| j (| j )¡ ¡}| j *|¡ | j t+|ƒ7 _ W n& | js˜| j ,¡ d | _‚ Y nX d S )aÖ 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. Úrbzr+bÚwbZxb©rx Úary r[ ú!mode must be 'r', 'a', 'w' or 'x'rz ry FNrƒ r„ Trx ©rz ry r[ )-rJ r„ Ú_moder{ r% ÚexistsÚ bltn_openr– r€ r rƒ r rO Úabspathrš rS ræ Ú dereferenceÚ ignore_zerosr5 r6 r rï ÚdebugÚ errorlevelÚ copybufsizerœ ÚmembersÚ_loadedr¿ rÎ ÚinodesÚ firstmemberrG rÀ r< rÄ rt r r r r r^ r1 r‡ )r‚ rƒ r„ rš rS ræ r r‚ r5 r6 rï rƒ r„ r… ZmodesÚerW r7 r7 r8 r… Ä sŠ ÿ " zTarFile.__init__c sº |s|st dƒ‚|dkrª‡ fdd„}tˆ j|dD ]j}tˆ ˆ j| ƒ}|dk rV| ¡ } z||d|f|ŽW S ttfk rš |dk r’| | ¡ Y q2Y q2X q2tdƒ‚nd |kr | d d ¡\} }| pÊd} |pÒd }|ˆ jkrðtˆ ˆ j| ƒ}n td | ƒ‚||| |f|ŽS d |kr’| d d ¡\} }| p.d} |p8d }| dkrLt dƒ‚t || |||ƒ} zˆ || | f|Ž} W n | ¡ ‚ Y nX d| _ | S |dkr®ˆ j |||f|ŽS t dƒ‚dS )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)rx úr:*c s ˆ j | dkS )NÚtaropen)Ú OPEN_METH)r™ ©r r7 r8 Únot_compressed] s z$TarFile.open.<locals>.not_compressed©ÚkeyNrx z%file could not be opened successfullyú:r# r” r• ú|rw zmode must be 'r' or 'w'Fr| zundiscernible mode) rJ Úsortedr rh r¿ r r rÀ r r‹ r‡ r– rŒ ) r rƒ r„ rš ra Úkwargsr r™ ÚfuncZ saved_posÚfilemodeÚstreamrÈ r7 rŽ r8 r 3 sP % z TarFile.openc K s |dkrt dƒ‚| |||f|ŽS )zCOpen uncompressed tar archive name for reading or writing. ry r{ )rJ )r rƒ r„ rš r• r7 r7 r8 rŒ Ž s zTarFile.taropenrª c K sè |dkrt dƒ‚zddlm} W n tk r< tdƒ‚Y nX z|||d ||ƒ}W n. tk r‚ |dk r||dkr|td ƒ‚‚ Y nX z| j|||f|Ž}W nB tk rÈ | ¡ |dkrÂtd ƒ‚‚ Y n | ¡ ‚ Y nX d |_ |S ) zkOpen gzip compressed tar archive name for reading or writing. Appending is not allowed. ©rx ry r[ ú mode must be 'r', 'w' or 'x'r )ÚGzipFilez gzip module is not availablerd Nrx r· F) rJ Zgzipr› rž r r¦ r rŒ r‡ r– )r rƒ r„ rš Ú compresslevelr• r› rÈ r7 r7 r8 Úgzopen– s0 zTarFile.gzopenc K s¸ |dkrt dƒ‚zddlm} W n tk r< tdƒ‚Y nX ||pF|||d}z| j|||f|Ž}W nF ttfk r˜ | ¡ |dkr’t dƒ‚‚ Y n | ¡ ‚ Y nX d |_ |S ) zlOpen bzip2 compressed tar archive name for reading or writing. Appending is not allowed. r™ rš r )ÚBZ2Filer‘ )rœ rx znot a bzip2 fileF) rJ r rž rž r rŒ r¦ ÚEOFErrorr‡ r r– )r rƒ r„ rš rœ r• rž rÈ r7 r7 r8 Úbz2open· s& zTarFile.bz2openc K s¼ |dkrt dƒ‚zddlm}m} W n tk r@ tdƒ‚Y nX ||pJ|||d}z| j|||f|Ž}W nF |tfk rœ | ¡ |dkr–t dƒ‚‚ Y n | ¡ ‚ Y nX d |_ |S ) zkOpen lzma compressed tar archive name for reading or writing. Appending is not allowed. r™ rš r )ÚLZMAFiler¨ r“ )Úpresetrx znot an lzma fileF) rJ r§ r¡ r¨ rž r rŒ rŸ r‡ r r– ) r rƒ r„ rš r¢ r• r¡ r¨ rÈ r7 r7 r8 ÚxzopenÓ s& zTarFile.xzopenrŒ r r r£ )r” r r r’ c C sˆ | j r dS d| _ z`| jdkrn| j ttd ¡ | jtd 7 _t | jt ƒ\}}|dkrn| j tt | ¡ W 5 | js‚| j ¡ X dS )zlClose the TarFile. In write-mode, two finishing zero blocks are appended to the archive. NTr| r$ r ) rœ r– rš r‡ r„ r^ r2 rÉ rÎ r\ Ú RECORDSIZE)r‚ rb rc r7 r7 r8 r‡ ú s z TarFile.closec C s" | |¡}|dkr td| ƒ‚|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. Nzfilename %r not found)Ú _getmemberÚKeyError)r‚ rƒ ræ r7 r7 r8 Ú getmember s zTarFile.getmemberc C s | ¡ | js| ¡ | jS )zŽReturn the members of the archive as a list of TarInfo objects. The list has the same order as the members in the archive. )Ú_checkr‡ Ú_loadr† rˆ r7 r7 r8 Ú getmembers s zTarFile.getmembersc C s dd„ | ¡ D ƒS )z‹Return 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 r7 rô )rZ ræ r7 r7 r8 r\ ( s z$TarFile.getnames.<locals>.<listcomp>)rª rˆ r7 r7 r8 Úgetnames$ s zTarFile.getnamesc C s^ | d¡ |dk r|j}|dkr$|}tj |¡\}}| tjd¡}| d¡}| ¡ }| |_ |dkr€| j stt |¡}qŽt |¡}nt | ¡ ¡}d}|j}t |¡rþ|j|jf} | j sæ|jdkræ| | jkræ|| j| kræt} | j| }nt} | d rü|| j| < nht |¡rt} nVt |¡r"t} nDt |¡r>t } t |¡}n(t |¡rPt } nt |¡rbt!} ndS ||_||_"|j#|_$|j%|_&| tkr–|j'|_(nd|_(|j)|_*| |_+||_,t-räzt- .|j$¡d |_/W n t0k râ Y nX t1rzt1 2|j&¡d |_3W n t0k r Y nX | t t!fkrZt4tdƒrZt4tdƒrZt 5|j6¡|_7t 8|j6¡|_9|S ) aÒ 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. ÚawxNrù r r# r ÚmajorÚminor):r¨ rƒ r{ r% Ú splitdriver® ÚsepÚlstripræ rå r ÚlstatÚstatÚfstatÚfilenoÚst_modeÚS_ISREGÚst_inoÚst_devÚst_nlinkrˆ rg rò ÚS_ISDIRrú ÚS_ISFIFOrm ÚS_ISLNKre ÚreadlinkÚS_ISCHRri ÚS_ISBLKrk r„ Úst_uidr) Úst_gidr* Úst_sizer' Úst_mtimer( rë rì ÚpwdÚgetpwuidr+ r¦ ÚgrpZgetgrgidr, r€ r Úst_rdevrí r® rî ) r‚ rƒ Úarcnamerš Zdrvræ Zstatresrì ZstmdÚinoderë r7 r7 r8 Ú gettarinfo* s„ ÿ ÿ zTarFile.gettarinfoT)r† c C sú | ¡ |dkr| }|D ]Ü}|r¤tt |j¡ƒ td|jp>|j|jpH|jf ƒ | ¡ s`| ¡ rztdd|j |j f ƒ ntd|j ƒ tdt |j¡dd… ƒ t|j| ¡ r¶dnd ƒ |rî| ¡ rØtd |j ƒ | ¡ rîtd |j ƒ tƒ qdS ) 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%s/%sz%10sz%d,%dz%10dz%d-%02d-%02d %02d:%02d:%02dr¹ rù r z-> zlink to )r¨ rl r³ r— r„ r+ r) r, r* rj rl rí rî r' r± Ú localtimer( rƒ r2 rf rì rh rk )r‚ Úverboser† ræ r7 r7 r8 rW s0 ÿÿÿz TarFile.list©Úfilterc C s6 | d¡ |dkr|}| jdk rFtj |¡| jkrF| dd| ¡ dS | d|¡ | ||¡}|dkrz| dd| ¡ dS |dk r¦||ƒ}|dkr¦| dd| ¡ dS | ¡ rÒt|dƒ}| ||¡ W 5 Q R X n`| ¡ r(| |¡ |r2t t |¡ƒD ]*}| j tj ||¡tj ||¡||d qún | |¡ 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 %rztarfile: Excluded %rrw rÎ )r¨ rƒ r{ r% r€ Ú_dbgrË rB r Úaddfiler2 r” ÚlistdirÚaddrÅ )r‚ rƒ rÉ Ú recursiverÏ ræ Úfr7 r7 r8 rÓ s8 ÿ z TarFile.addc C s¾ | d¡ t |¡}| | j| j| j¡}| j |¡ | jt |ƒ7 _| j }|dk r®t || j|j |d t |j tƒ\}}|dkrœ| j tt| ¡ |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)ra r r# )r¨ r r rS r5 r6 rš r^ rÎ r1 r… r[ r' r\ rÉ r2 r† rÄ )r‚ ræ rš rW ra rb rc r7 r7 r8 rÑ à s zTarFile.addfileÚ.©Ú numeric_ownerc C sø g }|dkr| }|D ]>}| ¡ r:| |¡ t |¡}d|_| j||| ¡ |d q|jdd„ d | ¡ |D ]‚}tj ||j ¡}z,| j |||d | ||¡ | ||¡ W qp tk rð } z"| jdkrЂ n| dd | ¡ W 5 d}~X Y qpX qpdS ) 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. NéÀ ©Ú set_attrsrØ c S s | j S r† rô )rz r7 r7 r8 Ú<lambda> rŽ z$TarFile.extractall.<locals>.<lambda>r r× r# ú tarfile: %s)r2 rÄ r r„ ÚextractÚsortÚreverser{ r% rÅ rƒ ÚchownÚutimeÚchmodr r„ rÐ )r‚ r% r† rØ Z directoriesræ ÚdirpathrŠ r7 r7 r8 Ú extractallù s. ÿ zTarFile.extractallr c C s | d¡ t|tƒr | |¡}n|}| ¡ r>tj ||j¡|_ z"| j |tj ||j ¡||d W n¦ t k rÆ } zH| j dkr€‚ n6|jdkrž| dd|j ¡ n| dd|j|jf ¡ W 5 d}~X Y nB tk r } z"| j dkræ‚ n| dd| ¡ W 5 d}~X Y nX dS )aì Extract a member from the archive to the current working directory, using its full name. Its file information is extracted as accurately as possible. `member' may be a filename or a TarInfo object. You can specify a different directory using `path'. File attributes (owner, mtime, mode) are set unless `set_attrs' is False. If `numeric_owner` is True, only the numbers for user/group names are used and not the names. rx rÚ r Nr# rÝ ztarfile: %s %r)r¨ r r r§ rh r{ r% rÅ rì rñ Ú_extract_memberrƒ r¦ r„ ÚfilenamerÐ Ústrerrorr )r‚ Úmemberr% rÛ rØ ræ rŠ r7 r7 r8 rÞ ! s* þ ( zTarFile.extractc C s‚ | d¡ t|tƒr | |¡}n|}| ¡ s6|jtkrB| | |¡S | ¡ sR| ¡ rzt| j t ƒrht dƒ‚q~| | |¡¡S ndS dS )züExtract a member from the archive as a file object. `member' may be a filename or a TarInfo object. If `member' is a regular file or a link, an io.BufferedReader object is returned. Otherwise, None is returned. rx z'cannot extract (sym)link as file objectN)r¨ r r r§ rB rë rC Ú fileobjectrh rf rš r‹ r Ú extractfileÚ_find_link_target)r‚ ré ræ r7 r7 r8 rë G s zTarFile.extractfilec C sT | d¡}| dtj¡}tj |¡}|r>tj |¡s>t |¡ | ¡ sN| ¡ rh| dd|j |j f ¡ n| d|j ¡ | ¡ rŒ| ||¡ nŽ| ¡ r¢| ||¡ nx| ¡ r¸| ||¡ nb| ¡ sÈ| ¡ rÖ| ||¡ nD| ¡ sæ| ¡ rô| ||¡ n&|jtkr| ||¡ n | ||¡ |rP| |||¡ | ¡ sP| ||¡ | ||¡ dS )z\Extract the TarInfo object tarinfo to a physical file called targetpath. rù r# z%s -> %sN) r3 r® r{ r° r% Údirnamer~ Úmakedirsrh rf rÐ rƒ rì rB Úmakefiler2 Úmakedirrn Úmakefiforj rl ÚmakedevÚmakelinkrë rC Ú makeunknownrá rã râ )r‚ ræ Ú targetpathrÛ rØ Z upperdirsr7 r7 r8 ræ f s4 zTarFile._extract_memberc C s* zt |d¡ W n tk r$ Y nX dS )z,Make a directory called targetpath. rÙ N)r{ ÚmkdirÚFileExistsError©r‚ ræ rõ r7 r7 r8 rð — s zTarFile.makedirc C sŽ | j }| |j¡ | j}t|dƒb}|jdk rn|jD ]"\}}| |¡ t|||t|ƒ q4| |j¡ | ¡ nt|||jt|ƒ W 5 Q R X dS )z'Make a file called targetpath. rx N) rš rÀ râ r… r rã r[ r r' Útruncate)r‚ ræ rõ Úsourcera ÚtargetrÎ r' r7 r7 r8 rï ¡ 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)rï rÐ rë rø r7 r7 r8 rô ± s ÿzTarFile.makeunknownc C s" t tdƒrt |¡ ntdƒ‚dS )z'Make a fifo called targetpath. Úmkfifoz fifo not supported by systemN)r€ r{ rü r rø r7 r7 r8 rñ ¹ s zTarFile.makefifoc C s^ t tdƒrt tdƒs tdƒ‚|j}| ¡ r6|tjO }n |tjO }t ||t |j |j ¡¡ dS )z<Make a character or block device called targetpath. Úmknodrò z'special devices not supported by systemN) r€ r{ r r„ rl r³ ÚS_IFBLKÚS_IFCHRrý rò rí rî )r‚ ræ rõ r„ r7 r7 r8 rò Á s ÿzTarFile.makedevc C s° zb| ¡ r0tj |¡r t |¡ t |j|¡ n0tj |j¡rNt |j|¡ n| | |¡|¡ W nH t k rª z| | |¡|¡ W n t k r¤ tdƒ‚Y nX Y nX dS )zµMake 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)rf r{ r% ÚlexistsÚunlinkÚsymlinkrì r~ rñ Úlinkræ rì Úsymlink_exceptionr¦ r rø r7 r7 r8 ró Ð s" ÿ ÿzTarFile.makelinkc C sØ t tdƒrÔt ¡ dkrÔ|j}|j}|s‚ztr<t |j¡d }W n tk rR Y nX zt rjt |j ¡d }W n tk r€ Y nX z4| ¡ r¦t tdƒr¦t |||¡ nt |||¡ W n tk rÒ tdƒ‚Y nX dS )zðSet 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. Úgeteuidr r$ Úlchownzcould not change ownerN)r€ r{ r r* r) rÇ Zgetgrnamr, r¦ rÅ Úgetpwnamr+ rf r rá r¦ r )r‚ ræ rõ rØ ÚgÚur7 r7 r8 rá ê s( z TarFile.chownc C s4 zt ||j¡ W n tk r. tdƒ‚Y nX dS )zASet file permissions of targetpath according to tarinfo. zcould not change modeN)r{ rã r„ r¦ r rø r7 r7 r8 rã s z TarFile.chmodc C sH t tdƒsdS zt ||j|jf¡ W n tk rB tdƒ‚Y nX dS )zBSet modification time of targetpath according to tarinfo. râ Nz"could not change modification time)r€ r{ râ r( r¦ r rø r7 r7 r8 râ s z TarFile.utimec C sð | d¡ | jdk r$| j}d| _|S | j| j ¡ krZ| j | jd ¡ | j d¡sZtdƒ‚d}z| j | ¡}W qÎ t k rÆ } z6| j r´| dd| j|f ¡ | jt 7 _W Y ¢q^W 5 d}~X Y qÎ tk r6 } zR| j r| dd| j|f ¡ | jt 7 _W Y ¢ q^n| jdkr&tt|ƒƒ‚W 5 d}~X Y n’ tk r^ | jdkrZtdƒ‚Y nj tk r˜ } z | jdkrˆtt|ƒƒ‚W 5 d}~X Y n0 tk rÆ } ztt|ƒƒ‚W 5 d}~X Y nX qÎq^|dk ræ| j |¡ nd | _|S ) z¨Return the next member of the archive as a TarInfo object, when TarFile is opened for reading. Return None if there is no more available. ZraNr# rY r$ z0x%X: %sr z empty fileT)r¨ r‰ rÎ rš r¿ rÀ r] r ræ r< rt r‚ rÐ rÉ rK r rr rs ru r† rÄ r‡ )r‚ Úmræ rŠ r7 r7 r8 rG sJ z TarFile.nextc C sn | ¡ }|dk r"|d| |¡… }|r2tj |¡}t|ƒD ].}|rRtj |j¡}n|j}||kr:| S q:dS )z}Find an archive member by name from bottom to top. If tarinfo is given, it is used as the starting point. N)rª Úindexr{ r% ÚnormpathÚreversedrƒ )r‚ rƒ ræ Ú normalizer† ré Ú member_namer7 r7 r8 r¥ P s zTarFile._getmemberc C s | ¡ }|dkr qq d| _dS )zWRead through the entire archive file and look for readable members. NT)rG r‡ )r‚ ræ r7 r7 r8 r© g s z TarFile._loadc C s: | j rtd| jj ƒ‚|dk r6| j|kr6td| j ƒ‚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)rœ r¦ rè rn r„ )r‚ r„ r7 r7 r8 r¨ q s zTarFile._checkc C s` | ¡ r.d tdtj |j¡|jfƒ¡}d}n |j}|}| j||dd}|dkr\t d| ƒ‚|S )zZFind the target member of a symlink or hardlink member in the archive. rù NT)ræ r zlinkname %r not found) rf rÅ rÏ r{ r% rí rƒ rì r¥ r¦ )r‚ ræ rì Úlimitré r7 r7 r8 rì z s zTarFile._find_link_targetc c sŠ | j r| jE dH dS d}| jdk r:| ¡ }|d7 }|V |t| jƒk rT| j| }n"| j sr| ¡ }|svd| _ dS ndS |d7 }|V q:dS )z$Provide an iterator object. Nr r# T)r‡ r† r‰ rG r1 )r‚ r ræ r7 r7 r8 Ú__iter__ s$ zTarFile.__iter__c C s || j krt|tjd dS )z.Write debugging output to sys.stderr. ©ÚfileN)rƒ rk ri Ústderr)r‚ ÚlevelÚmsgr7 r7 r8 rÐ ¬ s z TarFile._dbgc C s | ¡ | S r† )r¨ rˆ r7 r7 r8 Ú __enter__² s zTarFile.__enter__c C s, |d kr| ¡ n| js"| j ¡ d| _d S rÒ )r‡ r– rš rœ )r‚ rë r$ Ú tracebackr7 r7 r8 Ú__exit__¶ s zTarFile.__exit__) Nrx NNNNNNrý NNNN)rx N)rx Nrª )rx Nrª )rx NN)NNN)T)NT)N)rÖ N)r T)TF)NF)N)8rn ro rp rq rƒ r r‚ r„ r rS r r5 r6 r ræ rá rê r… ru r¤ r rŒ r r r£ r r‡ r§ rª r« rË rW rÓ rÑ rå rÞ rë ræ rð rï rô rñ rò ró rá rã râ rG r¥ r© r¨ rì r rÐ r r r7 r7 r7 r8 r ª sˆ ý oZ ü c 3 (& ÿ 1 6 c C s2 zt | ƒ}| ¡ W dS tk r, Y dS X dS )zfReturn True if name points to a tar archive that we are able to handle, else return False. TFN)r r‡ r )rƒ rÈ r7 r7 r8 r à s c C sÒ dd l } d}| j|d}|jdddddd |jd d }|jd d ddd |jdddddd |jdddddd |jdd dd d | ¡ }|jd k r|j}t|ƒrìt|d ƒ }| ¡ t | ¡ t j d W 5 Q R X |j rþt d |¡ƒ n| d!d" |¡¡ nÌ|jd k r\|j}t|ƒrFt |d#¡}|j|j d$ W 5 Q R X n| d!d" |¡¡ nr|jd k r,t|jƒd!krŠ|jd }tj}n,t|jƒd%kr¦|j\}}n| d!| ¡ ¡ t|ƒrt |d#¡}|j|d& W 5 Q R X |j r*|d'krd( |¡} n d) ||¡} t | ƒ n| d!d" |¡¡ n¢|jd k rÎ|j d¡} tj | ¡\} } d*d*d+d+d,d,d,d,d-œ} | | kr€d.| | nd/}|j}t | |¡ }|D ]}| |¡ qœW 5 Q R X |j rÎt d0 | ¡ƒ d S )1Nr z3A simple command-line interface for tarfile module.)Ú descriptionz-vz --verboseÚ store_trueFzVerbose output)ÚactionÚdefaultÚhelpT)Zrequiredz-lz--listú <tarfile>zShow listing of a tarfile)Úmetavarr z-ez --extractú+)r z <output_dir>z Extract tarfile into target dir)Únargsr r z-cz--create)z<name>z<file>zCreate tarfile from sourcesz-tz--testzTest if a tarfile is validrx r z{!r} is a tar archive.r# z{!r} is not a tar archive. r‹ )rÍ r$ )r% rÖ 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:ry z{!r} file created.) ÚargparseÚArgumentParserÚ add_argumentZ add_mutually_exclusive_groupÚ parse_argsZtestr r rª rk ri r rÍ rS ÚexitrW r rÞ r1 r{ ÚcurdirZ format_helprå ZcreateÚpopr% ÚsplitextrÓ )r# r ÚparserrO Úargsr_ r” Ztfr( r Ztar_namerY ZextZ compressionsZtar_modeZ tar_filesÚ file_namer7 r7 r8 ÚmainÑ s– ÿ ÿ þ þ ÿ ÿ õ r. Ú__main__)`rq ÚversionÚ __author__Ú __credits__Úbuiltinsr r ri r{ rÖ rZ r³ r± rV r ÚrerÅ rž rÇ ÚAttributeErrorÚNotImplementedErrorr r¦ Ú NameErrorÚ__all__r2 rÉ r¤ r r r r r rò r/ rg re ri rk rú rm ZCONTTYPEr r r0 r r r? r r r r rC rc r4 r_ rR r rH r` rƒ r Úgetfilesystemencodingr9 r> rN rT rX r[ rl Ú Exceptionr r r r r r rr rs rt rK ru rv r‹ Úobjectr— rÍ ÚBufferedReaderrá ÚcompilerM r r r r. rn r7 r7 r7 r8 Ú<module> s ý ü ÿÿ ú s h a ! W
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