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tarfile.cpython-39.opt-1.pyc
a cdh @ s d Z dZdZdZddlmZ ddlZddlZddl Z ddl Z ddl Z ddl Z ddl Z ddlZddlZddlZz ddlZW n ey dZY n0 z ddlZW n ey dZY n0 eefZzeef7 ZW n ey Y n0 g dZdZd Zd Z d Z e d Z d Z dZ dZ!dZ"dZ#dZ$d Z%dZ&dZ'dZ(dZ)dZ*dZ+dZ,dZ-dZ.dZ/d Z0d Z1d Z2dZ3d Z4d Z5e5Z6e$e%e&e'e*e+e,e(e)e-e.e/f Z7e$e%e,e/fZ8e-e.e/fZ9d!Z:h d"Z;e<e<e<e=e=e=d#Z>ej?d$krd%Z@neA Z@d&d' ZBd(d) ZCd*d+ ZDd,e6fd-d.ZEd/d0 ZFdedfd1d2ZGd3d4 ZHG d5d6 d6eIZJG d7d8 d8eJZKG d9d: d:eJZLG d;d< d<eJZMG d=d> d>eJZNG d?d@ d@eJZOG dAdB dBeOZPG dCdD dDeOZQG dEdF dFeOZRG dGdH dHeOZSG dIdJ dJeOZTG dKdL dLZUG dMdN dNZVG dOdP dPeWZXG dQdR dReWZYG dSdT dTe jZZ[G dUdV dVeJZ\G dWdX dXe\Z]G dYdZ dZe\Z^G d[d\ d\e\Z_G d]d^ d^e\Z`G d_d` d`e\ZaG dadb dbe\Zbe\eeKfZcdvdcddZddedf Zedgdh Zfdidj ZgeeefegdkZheW ZiejdlZkG dmdn dneWZlG dodp dpeWZmdqdr ZnemjZdsdt Zoepdukr eo dS )wz,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 Tz/etc/python/tarfile.cfg 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, )Zatimectimer( 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 r8 /usr/lib64/python3.9/tarfile.pystn s r: c C s* | d}|dkr | d| } | ||S )z8Convert a null-terminated bytes object to a string. r N)finddecode)r4 r6 r7 pr8 r8 r9 nts s r? c C s | d dv rbd}t t| d D ] }|dK }|| |d 7 }q | d dkrdt| d | }n>z"t| dd} t| p|d d}W n ty td Y n0 |S ) z/Convert a number field to a python number. r ) r# rA asciistrict0invalid header)ranger2 r? intstripr0 InvalidHeaderError)r4 nir8 r8 r9 nti s rN rB c C s t | } d| kr$d|d k rDn n td|d | f dt }n|tkrd|d | krrd|d k rn nV| dkrtdg}ntdg}d| | } t|d D ] }|d| d@ | dL } qntd |S ) z/Convert a python number to a number field. r rB r# z%0*orD rC r@ rA zoverflow in number field)rI bytesr3 r bytearrayrH insertr0 )rL digitsformatr4 rM r8 r8 r9 itn s 2 rT c C s0 dt td| }dt td| }||fS )a Calculate the checksum for a member's header by summing up all characters except for the chksum field which is treated as if it was filled with spaces. According to the GNU tar sources, some tars (Sun and NeXT) calculate chksum with signed char, which will be different if there are chars in the buffer with the high bit set. So we calculate two checksums, unsigned and signed. rC Z 148B8x356BZ 148b8x356b)sumstruct unpack_from)bufZunsigned_chksumZ signed_chksumr8 r8 r9 calc_chksums s rY c C s |pd}|dkrdS |du r.t | || dS t||\}}t|D ],}| |}t||k rf|d|| qD|dkr| |}t||k r|d|| dS )zjCopy length bytes from fileobj src to fileobj dst. If length is None, copy the entire content. i @ r Nunexpected end of data)shutil copyfileobjdivmodrH readr2 write) srcdstr5 exceptionbufsizeblocks remainderbrX r8 r8 r9 r\ s$ r\ c C s8 t tjdd }|d ur(| |d|} t| dd d S )Nr6 backslashreplace )end)getattrsysstdoutr1 r= print)r4 r6 r8 r8 r9 _safe_print s rn c @ s e Zd ZdZdS )r zBase exception.N__name__ __module__ __qualname____doc__r8 r8 r8 r9 r s r c @ s e Zd ZdZdS )r z%General exception for extract errors.Nro r8 r8 r8 r9 r s r c @ s e Zd ZdZdS )r z&Exception for unreadable tar archives.Nro r8 r8 r8 r9 r s r c @ s e Zd ZdZdS )r z.Exception for unavailable compression methods.Nro r8 r8 r8 r9 r s r c @ s e Zd ZdZdS )r z=Exception for unsupported operations on stream-like TarFiles.Nro r8 r8 r8 r9 r ! s r c @ s e Zd ZdZdS )r z!Base exception for header errors.Nro r8 r8 r8 r9 r $ s r c @ s e Zd ZdZdS )EmptyHeaderErrorz Exception for empty headers.Nro r8 r8 r8 r9 rt ' s rt c @ s e Zd ZdZdS )TruncatedHeaderErrorz Exception for truncated headers.Nro r8 r8 r8 r9 ru * s ru c @ s e Zd ZdZdS )EOFHeaderErrorz"Exception for end of file headers.Nro r8 r8 r8 r9 rv - s rv c @ s e Zd ZdZdS )rK z Exception for invalid headers.Nro r8 r8 r8 r9 rK 0 s rK c @ s e Zd ZdZdS )SubsequentHeaderErrorz3Exception for missing and invalid extended headers.Nro r8 r8 r8 r9 rw 3 s rw c @ s0 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 dr2|t jO }t ||d| _d S )NrwO_BINARYi ) osO_RDONLYO_WRONLYO_CREATO_TRUNChasattrr| r fd)selfnamemoder8 r8 r9 __init__@ s z_LowLevelFile.__init__c C s t | j d S N)r} closer r r8 r8 r9 r I s z_LowLevelFile.closec C s t | j|S r )r} r^ r r r' r8 r8 r9 r^ L s z_LowLevelFile.readc C s t | j| d S r )r} r_ r r r4 r8 r8 r9 r_ O s z_LowLevelFile.writeN)rp rq rr rs r r r^ r_ r8 r8 r8 r9 rx : s rx 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 r t||}d| _ |dkr6t|}| }|p<d| _|| _|| _|| _|| _d| _ d| _ d| _ zF|dkrz ddl }W n t y td Y n0 || _ |d| _|d kr| |j| _n| n|d kr6z ddl}W n t y td Y n0 |d kr*d| _| | _t| _n | | _nz|d krz ddl}W n t yh tdY n0 |d krd| _| | _|j | _n | | _n|dkrtd| W n& | j s| j d| _ Y n0 dS )z$Construct a _Stream object. TNF* r gzz zlib module is not availablerz bz2bz2 module is not availablexz lzma module is not availabletarunknown compression type %r) _extfileobjrx _StreamProxy getcomptyper r comptypefileobjrc rX posclosedzlib ImportErrorr crc32crc _init_read_gzerrorrb _init_write_gzr dbufBZ2DecompressorcmpOSError BZ2CompressorlzmaLZMADecompressor LZMAErrorLZMACompressorr ) r r r r r rc r r r r8 r8 r9 r ] sl z_Stream.__init__c C s t | dr| js| d S )Nr )r r r r r8 r8 r9 __del__ s z_Stream.__del__c C s | j d| j j| j j | j jd| _tdtt }| d| d | j drf| j dd | _ t j| j | _ | | j d d t dS ) z6Initialize for writing with gzip compression. r <Ls s .gzNz iso-8859-1replace)r compressobjDEFLATED MAX_WBITS DEF_MEM_LEVELr rV packrI time_Stream__writer endswithr} r% basenamer1 r3 )r Z timestampr8 r8 r9 r s z_Stream._init_write_gzc C sR | j dkr | j|| j| _| jt|7 _| j dkrD| j|}| | dS )z&Write string s to the stream. r r N) r r r r r r2 r compressr r r8 r8 r9 r_ s z _Stream.writec C sN | j |7 _ t| j | jkrJ| j| j d| j | j | jd | _ qdS )z]Write string s to the stream if a whole new block is ready to be written. N)rX r2 rc r r_ r r8 r8 r9 Z__write s z_Stream.__writec C s | j r dS d| _ z| jdkr:| jdkr:| j| j 7 _| jdkr| jr| j| j d| _| jdkr| jt d| j | jt d| j d@ W | j s| j n| j s| j 0 dS ) z[Close the _Stream object. No operation should be done on it afterwards. NTr{ r r r r l )r r r rX r flushr r_ rV r r r r r r r8 r8 r9 r s z _Stream.closec C s | j | j j | _d| _| ddkr0td| ddkrFtdt| d}| d |d @ rt| dd t| d }| | |d @ r| d}|r|t krqq|d @ r| d}|r|t krqq|d@ r| d d S )z:Initialize for reading a gzip compressed fileobj. r r$ s not a gzip filer# z unsupported compression method rC rB N) r decompressobjr r r _Stream__readr r ordr^ r3 )r flagZxlenr4 r8 r8 r9 r s* z_Stream._init_read_gzc C s | j S )z3Return the stream's file pointer position. )r r r8 r8 r9 tell s z _Stream.tellr c C sX || j dkrJt|| j | j\}}t|D ]}| | j q,| | ntd| j S )zXSet the stream's file pointer to pos. Negative seeking is forbidden. r z seeking backwards is not allowed)r r] rc rH r^ r )r r rd re rM r8 r8 r9 seek s z _Stream.seekc C s | |}| jt|7 _|S )z5Return the next size number of bytes from the stream.)_readr r2 )r r' rX r8 r8 r9 r^ s z _Stream.readc C s | j dkr| |S t| j}| jg}||k r| jrB| j}d| _n| j| j}|sVqz| j |}W n | j y t dY n0 | | |t|7 }q&d |}||d | _|d| S )z+Return size bytes from the stream. r r zinvalid compressed dataN)r r r2 r rX r r^ rc r decompressrb r appendjoinr r' ctrX r8 r8 r9 r s( z _Stream._readc C sj t | j}| jg}||k rF| j| j}|s.qF|| |t |7 }qd|}||d | _|d| S )zsReturn size bytes from stream. If internal buffer is empty, read another block from the stream. r N)r2 rX r r^ rc r r r r8 r8 r9 Z__read3 s z_Stream.__readN)r )rp rq rr rs r r r r_ r r r r r r^ r r r8 r8 r8 r9 r R 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 )r r^ BLOCKSIZErX )r r r8 r8 r9 r I s z_StreamProxy.__init__c C s | j j| _| jS r )r r^ rX r r8 r8 r9 r^ M s z_StreamProxy.readc C sP | j drdS | j dd dkr8| j dd dkr8d S | j d rHd S d S d S ) Ns r r s BZhr s 1AY&SYr )s ] s 7zXZr r )rX startswithr r8 r8 r9 r Q s $ z_StreamProxy.getcomptypec C s | j d S r )r r r r8 r8 r9 r [ s z_StreamProxy.closeN)rp rq rr rs r r^ r r r8 r8 r8 r9 r D 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 ]L\}}||kr|| j d||d f | j d||| |f ||7 }|| }qX|| jk r| j d|| jd f d S )Nr r FT) r offsetr' positionrj r r map_indexmapr )r r r r' Z blockinfoZlastposZrealposr8 r8 r9 r h s( z_FileInFile.__init__c C s d S r r8 r r8 r8 r9 r s z_FileInFile.flushc C s dS NTr8 r r8 r8 r9 readable s z_FileInFile.readablec C s dS )NFr8 r r8 r8 r9 writable s z_FileInFile.writablec C s | j S r )r seekabler r8 r8 r9 r s z_FileInFile.seekablec C s | j S )z*Return the current file position. )r r r8 r8 r9 r s z_FileInFile.tellc C s |t jkr tt|d| j| _nj|t jkr\|dk rFt| j| d| _qt| j| | j| _n.|t jkrtt| j| | jd| _ntd| jS )z(Seek to a position in the file. r zInvalid argument) ioSEEK_SETminmaxr' r SEEK_CURSEEK_ENDr0 )r r whencer8 r8 r9 r s z_FileInFile.seekc C s |du r| j | j }nt|| j | j }d}|dkr| j| j \}}}}|| j kr`|k rhq nqq6| jd7 _| jt| jkr6d| _q6t||| j }|r| j|| j| | j|}t||krt d||7 }n |t | 7 }||8 }| j|7 _q,|S )z!Read data from the file. Nr r r# rZ ) r' r r r r r2 r r r^ r r3 ) r r' rX datastartstopr r5 rf r8 r8 r9 r^ s, z_FileInFile.readc C s& | t|}||d t|< t|S r )r^ r2 )r rf rX r8 r8 r9 readinto s z_FileInFile.readintoc C s d| _ d S r )r r r8 r8 r9 r s z_FileInFile.close)N)N)rp rq rr rs r r r r r r r r r r^ r r r8 r8 r8 r9 r b s r c s e Zd Z fddZ ZS ) ExFileObjectc s& t |j|j|j|j}t | d S r )r r offset_datar' sparsesuperr )r tarfiletarinfor __class__r8 r9 r s zExFileObject.__init__rp rq rr r __classcell__r8 r8 r r9 r s r c @ s e Zd ZdS ) FilterErrorN)rp rq rr r8 r8 r8 r9 r s r c s e Zd Z fddZ ZS )AbsolutePathErrorc s || _ t d|jd d S )Nzmember z has an absolute pathr r r r r r r r8 r9 r s zAbsolutePathError.__init__r r8 r8 r r9 r s r c s e Zd Z fddZ ZS )OutsideDestinationErrorc s. || _ || _t |jd|dd d S )Nz would be extracted to , which is outside the destinationr _pathr r r r r r% r r8 r9 r s z OutsideDestinationError.__init__r r8 r8 r r9 r s r c s e Zd Z fddZ ZS )SpecialFileErrorc s || _ t |jd d S )Nz is a special filer r r r8 r9 r s zSpecialFileError.__init__r r8 r8 r r9 r s r c s e Zd Z fddZ ZS )AbsoluteLinkErrorc s || _ t |jd d S )Nz is a link to an absolute pathr r r r8 r9 r s zAbsoluteLinkError.__init__r r8 r8 r r9 r s r c s e Zd Z fddZ ZS )LinkOutsideDestinationErrorc s. || _ || _t |jd|dd d S )Nz would link to r r r r r r8 r9 r s z$LinkOutsideDestinationError.__init__r r8 r8 r r9 r s r c s e Zd Z fddZ ZS )LinkFallbackErrorc s2 || _ || _t d|jdd|d d S )Nzlink z would be extracted as a zcopy of z, which was rejectedr r r r8 r9 r s zLinkFallbackError.__init__r r8 r8 r r9 r s r c C s" i }| j }tjj|tjjd}|dtjfrH| jdtj }|d< tj|r\t | tjjtj ||tjjd}tj ||g|krt | || j }|d ur|d@ }|r| s| r|d@ s|dM }|dO }n | s| rd }nt| || j kr||d< |r | jd ur*d |d < | jd ur>d |d < | jd urRd |d < | jd urfd |d < | sz| r tj| jrt| tj| j}|| jkr||d < | rtj |tj|| j}ntj || j}tjj|tjjd}tj ||g|kr t| ||S )N)rE /r i @ i r r) r* r+ r, linkname) r r} r% realpath ALLOW_MISSINGr seplstripisabsr r commonpathr r isregislnkisdirissymr r) r* r+ r, r r normpathdirnamer )member dest_pathZfor_data new_attrsr Z target_pathr Z normalizedr8 r8 r9 _get_filtered_attrs sl r c C s | S r r8 )r r r8 r8 r9 fully_trusted_filterG s r c C s, t | |d}|r(| jf i |ddiS | S )NFdeepr r r r r r8 r8 r9 tar_filterJ s r c C s, t | |d}|r(| jf i |ddiS | S )NTr Fr r r8 r8 r9 data_filterP s r )Z fully_trustedr r s ([0-9]{1,20}) c @ s e Zd ZdZedddddddd d d d d dddddddddZdiddZedd Zej dd Zedd Z e j d d Z d d Z e e e e e e e e d e d! d"d#Z d$d% Zeed&fd'd(Zd)d* Zd+d, Zd-d. Zed/d0 Zd1d2 Zed3d4 Zed5d6 Zed7d8 Zed9d: Z ed;d< Z ed=d> Z d?d@ Z dAdB Z dCdD Z!dEdF Z"dGdH Z#dIdJ Z$dKdL Z%dMdN Z&dOdP Z'dQdR Z(dSdT Z)dUdV Z*dWdX Z+dYdZ Z,d[d\ Z-d]d^ Z.d_d` Z/dadb Z0dcdd Z1dedf Z2dgdh Z3dS )jr a Informational class which holds the details about an archive member given by a tar header block. TarInfo objects are returned by TarFile.getmember(), TarFile.getmembers() and TarFile.gettarinfo() and are usually created internally. zName of the archive member.zPermission bits.z6User ID of the user who originally stored this member.z7Group ID of the user who originally stored this member.zSize in bytes.zTime of last modification.zHeader checksum.zFile type. type is usually one of these constants: REGTYPE, AREGTYPE, LNKTYPE, SYMTYPE, DIRTYPE, FIFOTYPE, CONTTYPE, CHRTYPE, BLKTYPE, GNUTYPE_SPARSE.zcName of the target file name, which is only present in TarInfo objects of type LNKTYPE and SYMTYPE.z User name.z Group name.zDevice major number.zDevice minor number.zThe tar header starts here.z The file's data starts here.zMA dictionary containing key-value pairs of an associated pax extended header.zSparse member information.N)r r r) r* r' r( chksumtyper r+ r, devmajordevminorr r pax_headersr r _sparse_structs _link_targetr c C sj || _ d| _d| _d| _d| _d| _d| _t| _d| _ d| _ d| _ d| _ d| _ d| _d| _d| _i | _dS )zXConstruct a TarInfo object. name is the optional name of the member. i r r N)r r r) r* r' r( r REGTYPEr r r+ r, r r r r r r r r r8 r8 r9 r s" zTarInfo.__init__c C s | j S )z(In pax headers, "name" is called "path".r r r8 r8 r9 r% s z TarInfo.pathc C s || _ d S r r% r$ r8 r8 r9 r% s c C s | j S )z0In pax headers, "linkname" is called "linkpath".r r r8 r8 r9 r& s zTarInfo.linkpathc C s || _ d S r r& )r r r8 r8 r9 r& s c C s d| j j| jt| f S )Nz<%s %r at %#x>)r rp r idr r8 r8 r9 __repr__ s zTarInfo.__repr__T) r r( r r r) r* r+ r, r _KEEPc C s | rt | } n t | } || ur(|| _|| ur6|| _|| urD|| _|| urR|| _|| ur`|| _|| urn|| _|| ur||| _|| ur|| _ | 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, r r) resultr8 r8 r9 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( r r r r+ r, r r r r r )r r r) r* r' r( r r r r+ r, r r DIRTYPEr )r r infor8 r8 r9 get_info s( zTarInfo.get_infosurrogateescapec C sz | }| D ] \}}|du rtd| q|tkrD| |||S |tkrZ| |||S |tkrn| ||S tddS )z<Return a tar header as a string of 512 byte blocks. Nz%s may not be Nonezinvalid format) r0 itemsr0 r create_ustar_headerr create_gnu_headerr create_pax_header)r rS r6 r7 r/ r valuer8 r8 r9 tobuf s z TarInfo.tobufc C sn t |d< t|d ||tkr(tdt|d ||tkr^| |d ||\|d< |d< | |t||S )z3Return the object as a ustar header block. magicr zlinkname is too longr prefix) POSIX_MAGICr2 r1 LENGTH_LINKr0 LENGTH_NAME_posix_split_name_create_headerr )r r/ r6 r7 r8 r8 r9 r3 s zTarInfo.create_ustar_headerc C s t |d< d}t|d ||tkr<|| |d t||7 }t|d ||tkrl|| |d t||7 }|| |t || S )z:Return the object as a GNU header block sequence. r8 r r r ) GNU_MAGICr2 r1 r; _create_gnu_long_headerGNUTYPE_LONGLINKr< GNUTYPE_LONGNAMEr> r )r r/ r6 r7 rX r8 r8 r9 r4 s zTarInfo.create_gnu_headerc C sL t |d< | j }ddtfddtfddfD ]h\}}}||v r>q*z|| dd W n" tyt || ||< Y q*Y n0 t|| |kr*|| ||< q*d D ]\}}d }|| } t| t } | rt | n| } d | krd |d k sn d ||< d}n| r| ||< d}|r||vrt | ||< q|r4| |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. r8 r r% r r& )r+ r+ )r, r, rC rD rE ))r) rB )r* rB )r' )r( rD Fr rB r# Tr r )r: r r* r< r; r1 UnicodeEncodeErrorr2 isinstancefloatroundstr_create_pax_generic_headerXHDTYPEr> r ) r r/ r6 r r Zhnamer5 rR Z needs_paxvalZ val_is_floatZval_intrX r8 r8 r9 r5 s> zTarInfo.create_pax_headerc C s | |tdS )zAReturn the object as a pax global header block sequence. r/ )rJ XGLTYPE)clsr r8 r8 r9 create_pax_global_headerT s z TarInfo.create_pax_global_headerc C s~ | d}tdt|D ]T}d|d| }d||d }t|||tkrt|||tkr qvqtd||fS )zUSplit a name longer than 100 chars into a prefix and a name part. r r# Nzname is too long)splitrH r2 r r1 LENGTH_PREFIXr< r0 )r r r6 r7 componentsrM r9 r8 r8 r9 r= Z s zTarInfo._posix_split_namec C s | dttfv }|r@t| ddd|}t| ddd|}n tdd||}tdd||}| dt}|du rxtdt| 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 rB r r Nz TarInfo.type must not be Noner r r r- r) r* r' rD r( s r r8 r+ rC r, r9 r z%dsr iz%06o rD i)getCHRTYPEBLKTYPErT r: r# r0 r: rV r r r rY rO ) r/ rS r6 r7 Zhas_device_fieldsr r ZfiletypepartsrX r r8 r8 r9 r> j 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 )r] r2 r r3 )payloadrd re r8 r8 r9 _create_payload 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' r8 )r1 r3 r2 r? r> r rX )rN r r r6 r7 r/ r8 r8 r9 r@ s z TarInfo._create_gnu_long_headerc C s0 d}| D ]6\}}z|dd W q ty@ d}Y qDY q 0 q d}|rT|d7 }| D ]\}}|d}|r||d}n |d}t|t| d }d } } |tt| } | | krq| } q|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. Fr/ rE Tr s 21 hdrcharset=BINARY r1 r r rD = z././@PaxHeaderr r r' r8 r ) r2 r1 rE r2 rI rO r: r> r rX ) rN r r r6 binarykeywordr6 recordslrL r> r/ r8 r8 r9 rJ s< ( z"TarInfo._create_pax_generic_headerc C st t |dkrtdt |tkr(td|ttkr>tdt|dd }|t|vrbt 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|_|jtkr6d}g }t dD ]j} z0t|||d } t||d |d } W n t y Y qY n0 | | | f |d7 }qt |d } t|dd } || | f|_ |! rN|j "d|_ |rp|jt#vrp|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 rD i i i )$r2 rt r ru countr3 rv rN rY rK r? r r r) r* r' r( r r r r+ r, r r AREGTYPEr r. GNUTYPE_SPARSErH r0 r boolr! r rstrip GNU_TYPES)rN rX r6 r7 r objr9 r structsrM r numbytes isextendedorigsizer8 r8 r9 frombuf sZ zTarInfo.frombufc C s8 |j t}| ||j|j}|j t |_||S )zOReturn the next TarInfo object from TarFile object tarfile. ) r r^ r rs r6 r7 r r _proc_member)rN r rX rn r8 r8 r9 fromtarfile! s zTarInfo.fromtarfilec C sT | j ttfv r| |S | j tkr,| |S | j tttfv rF| |S | |S dS )zYChoose the right processing method depending on the type and call it. N) r rB rA _proc_gnulongrj _proc_sparserK rM SOLARIS_XHDTYPE _proc_pax _proc_builtin)r r r8 r8 r9 rt 6 s zTarInfo._proc_memberc C sR |j | _| j}| s$| jtvr4|| | j7 }||_| |j |j |j | S )zfProcess a builtin type or an unknown type which will be treated as a regular file. ) r r r r r SUPPORTED_TYPES_blockr' r _apply_pax_infor r6 r7 )r r r r8 r8 r9 rz C s zTarInfo._proc_builtinc C s |j | | j}z| |}W n ty< tdY n0 | j|_| jt krdt ||j |j |_ n | jtkrt ||j |j |_|S )zSProcess the blocks that hold a GNU longname or longlink member. missing or bad subsequent header)r r^ r| r' ru r rw r r rB r? r6 r7 r rA r )r r rX nextr8 r8 r9 rv T s zTarInfo._proc_gnulongc C s | j \}}}| ` |r|jt}d}tdD ]l}z0t|||d }t||d |d } W n tyx Y qY n0 |r| r||| f |d7 }q,t|d }q|| _ |j | _ | j | | j |_|| _ | S )z8Process a GNU sparse header plus extra headers. r rD rg i )r! r r^ r rH rN r0 r rk r r r r| r' r ) r r ro rq rr rX r rM r rp r8 r8 r9 rw j s( zTarInfo._proc_sparsec C s |j | | j}| jtkr&|j}n |j }d}d}g }t||krh|| dkrht || }spt dzt | d}W n ty t dY n0 |dk rt d|| t|krt d|d| d } ||dd | } | d\} } } | r | dks || dkr$t d||| | f | dkr^|du r^| d krZ|j}nd }||7 }q<|du rvd }|D ]X\}} } | | d d |j}|tv r| | ||j|j}n| | d d |j}|||< qzz| |}W n ty td Y n0 d |v r| || nFd |v r0| || n.| ddkr^| ddkr^| ||| | jt t fv r| ||j|j | j!|_!d|v r|j"}|# s|jt$vr|||j7 }||_!|S )zVProcess an extended or global header as described in POSIX.1-2008. r NrG r# rZ r s hdrcharsets BINARYr/ r~ GNU.sparse.mapGNU.sparse.sizezGNU.sparse.major1zGNU.sparse.minorrF r' )%r r^ r| r' r rM r r* r2 _header_length_prefix_rematchrK rI groupr0 r ri partitionr r6 _decode_pax_fieldr7 PAX_NAME_FIELDSru r rw _proc_gnusparse_01_proc_gnusparse_00rS _proc_gnusparse_10rK rx r} r r r r{ )r r rX r r r6 raw_headersr r5 Zheader_value_end_offsetZkeyword_and_valueZ raw_keywordZequalsZ raw_valuer] r6 r r r8 r8 r9 ry s| zTarInfo._proc_paxc C s g }g }|D ]\}}}|dkrRz| t| W q tyN tdY q0 q |dkr z| t| W q ty tdY q 0 q tt|||_dS )z?Process a GNU tar extended sparse header, version 0.0. s GNU.sparse.offsetrG s GNU.sparse.numbytesN)r rI r= r0 rK listzipr )r r r Zoffsetsrp _r] r6 r8 r8 r9 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 r8 )rI ).0xr8 r8 r9 <listcomp> r z.TarInfo._proc_gnusparse_01.<locals>.<listcomp>r ,Nr$ r# )rP r r r )r r r r r8 r8 r9 r s zTarInfo._proc_gnusparse_01c C s d}g }|j t}|dd\}}t|}t||d k rtd|vrT||j t7 }|dd\}}|t| q,|j |_t t |ddd |ddd |_ dS )z?Process a GNU tar extended sparse header, version 1.0. Nr[ r# r$ ) r r^ r rP rI r2 r r r r r r )r r r r fieldsr rX numberr8 r8 r9 r s zTarInfo._proc_gnusparse_10c C s | D ]\}}|dkr&t| d| q|dkr@t| dt| q|dkrZt| dt| q|tv r|tv rzt| |}W n ty d}Y n0 |dkr|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) r2 setattrrI PAX_FIELDSPAX_NUMBER_FIELDSr0 rl r* r )r r r6 r7 r] r6 r8 r8 r9 r} ) s" zTarInfo._apply_pax_infoc C s2 z| |dW S ty, | || Y S 0 dS )z1Decode a single field from a pax record. rE N)r= UnicodeDecodeError)r r6 r6 Zfallback_encodingZfallback_errorsr8 r8 r9 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# )r] r )r rh rd re r8 r8 r9 r| H s zTarInfo._blockc C s | j tv S z4Return True if the Tarinfo object is a regular file.)r REGULAR_TYPESr r8 r8 r9 r Q s z TarInfo.isregc C s | S r )r r r8 r8 r9 isfileU s zTarInfo.isfilec C s | j tkS )z!Return True if it is a directory.)r r. r r8 r8 r9 r Y s z TarInfo.isdirc C s | j tkS )z%Return True if it is a symbolic link.)r SYMTYPEr r8 r8 r9 r ] s z TarInfo.issymc C s | j tkS )z!Return True if it is a hard link.)r LNKTYPEr r8 r8 r9 r a s z TarInfo.islnkc C s | j tkS )z(Return True if it is a character device.)r rT r r8 r8 r9 ischre s z TarInfo.ischrc C s | j tkS )z$Return True if it is a block device.)r rU r r8 r8 r9 isblki s z TarInfo.isblkc C s | j tkS )z Return True if it is a FIFO.)r FIFOTYPEr r8 r8 r9 isfifom s zTarInfo.isfifoc C s | j d uS r )r r r8 r8 r9 issparseq s zTarInfo.issparsec C s | j tttfv S )zCReturn True if it is one of character device, block device or FIFO.)r rT rU r r r8 r8 r9 isdevt s z TarInfo.isdev)r )4rp rq rr rs dict __slots__r propertyr% setterr& r( r) r r0 r r r7 r3 r4 r5 classmethodrO r= staticmethodr> rX r@ rJ rs ru rt rz rv rw ry r r r r} r r| r r r r r r r r r r r8 r8 r8 r9 r f s : ) 2 > y r c @ s e Zd ZdZdZdZdZdZeZ e Z dZ e ZeZdZdkdd Zedddefd d Zedld d ZedmddZednddZedoddZdddddZdd Zd d Z d d Z d d! Z dpd"d#Z dqdd%d&d'Z drdd(d)d*Z!dsd+d,Z"d-d. Z#dtddd0d1d2Z$d3d4 Z%duddd0d6d7Z&d8d9 Z'dvd:d;Z(d<d= Z)d>d? Z*d@dA Z+dwdddBdCdDZ,dEdF Z-dGdH Z.dIdJ Z/dKdL Z0dMdN Z1dOdP Z2dQdR Z3dSdT Z4dUdV Z5dWdX Z6dYdZ Z7dxd[d\Z8d]d^ Z9dyd_d`Z:dadb Z;dcdd Z<dedf Z=dgdh Z>didj Z?dS )zr z=The TarFile Class provides an interface to tar archives. r Fr# Nrz r1 c C s ddddd}||vr t d|| _|| | _|sh| jdkrTtj|sTd| _d| _t|| j}d | _n@|d u rt|d rt |j t t fr|j }t|d r|j| _d | _|rtj |nd | _ || _|d ur|| _|d ur|| _|d ur|| _|d ur|| _|d ur || _| | _| d ur0| jtkr0| | _ni | _| d urF| | _| d urV| | _| | _d | _g | _d | _ | j | _ i | _ z| jdkrd | _ | ! | _ | jdkr2| j"| j z | j#| }| j$| W nX t%y | j"| j Y q2Y n2 t&y, } zt't |W Y d }~n d }~0 0 q| jdv r|d | _ | jr|| j(| j) }| j*| | j t+|7 _ W n& | js| j, d | _ Y n0 d S )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+bwbxbrz ar{ r !mode must be 'r', 'a', 'w' or 'x'r r{ FNr r Trz r r{ r )-r0 r _moder} r% exists bltn_openr r rF r rI rO abspathr rS r dereference ignore_zerosr6 r7 r r debug errorlevel copybufsizer members_loadedr r inodes firstmemberr r ru r rv r r rO r* r_ r2 r )r r r r rS r r r r6 r7 r r r r ZmodeserX r8 r8 r9 r s & zTarFile.__init__c s |s|st d|dv r fdd}t j|dD ]l}t j| }|durV| } z||d|fi |W S ttfy |dur|| Y q2Y q20 q2tdnd |v r|d d \} }| pd} |pd }| jv rt j| }n td | ||| |fi |S d |v r|d d \} }| p4d} |p>d }| dvrRt dt || |||} z || | fi |} W n | Y n0 d| _ | S |dv r j |||fi |S t ddS )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)rz r:*c s j | dkS )Ntaropen) OPEN_METH)r rN r8 r9 not_compressed. s z$TarFile.open.<locals>.not_compressed)keyNrz z%file could not be opened successfully:r# r r |ry zmode must be 'r' or 'w'Fr zundiscernible mode) r0 sortedr rj r r r r rP r r r r ) rN r r r rc kwargsr r funcZ saved_posfilemodestreamr r8 r r9 r sP % z TarFile.openc K s$ |dvrt d| |||fi |S )zCOpen uncompressed tar archive name for reading or writing. r r )r0 )rN r r r r r8 r8 r9 r _ s zTarFile.taropenr c K s |dvrt dzddlm} W n ty: tdY n0 z|||d ||}W n, ty~ |durx|dkrxtd Y n0 z| j|||fi |}W n@ ty | |dkrtd Y n | Y n0 d |_ |S ) zkOpen gzip compressed tar archive name for reading or writing. Appending is not allowed. rz r{ r mode must be 'r', 'w' or 'x'r )GzipFilez gzip module is not availablerf Nrz r F) r0 gzipr r r r r r r r )rN r r r compresslevelr r r r8 r8 r9 gzopeng s0 zTarFile.gzopenc K s |dvrt dzddlm} W n ty: tdY n0 ||pD|||d}z| j|||fi |}W nD ttfy | |dkrt d Y n | Y n0 d |_ |S ) zlOpen bzip2 compressed tar archive name for reading or writing. Appending is not allowed. r r r )BZ2Filer )r rz znot a bzip2 fileF) r0 r r r r r r EOFErrorr r r )rN r r r r r r r r8 r8 r9 bz2open s& zTarFile.bz2openc K s |dvrt dzddlm}m} W n ty> tdY n0 ||pH|||d}z| j|||fi |}W nD |tfy | |dkrt d Y n | Y n0 d |_ |S ) zkOpen lzma compressed tar archive name for reading or writing. Appending is not allowed. r r r )LZMAFiler r )presetrz znot an lzma fileF) r0 r r r r r r r r r r ) rN r r r r r r r r r8 r8 r9 xzopen s& zTarFile.xzopenr r r r )r r r r c C s | j r dS d| _ zp| jdv rn| jttd | jtd 7 _t| jt\}}|dkrn| jtt| W | j s| j n| j s| j 0 dS )zlClose the TarFile. In write-mode, two finishing zero blocks are appended to the archive. NTr r$ r ) r r r r_ r3 r r r] RECORDSIZEr r )r rd re r8 r8 r9 r s z TarFile.closec C s( | |d}|du r$td| |S )a Return a TarInfo object for member `name'. If `name' can not be found in the archive, KeyError is raised. If a member occurs more than once in the archive, its last occurrence is assumed to be the most up-to-date version. r Nzfilename %r not found) _getmemberrl KeyError)r r r r8 r8 r9 getmember s zTarFile.getmemberc C s | | js| | jS )zReturn the members of the archive as a list of TarInfo objects. The list has the same order as the members in the archive. )_checkr _loadr r r8 r8 r9 getmembers s zTarFile.getmembersc C s dd | D S )zReturn the members of the archive as a list of their names. It has the same order as the list returned by getmembers(). c S s g | ] }|j qS r8 r% )r r r8 r8 r9 r r z$TarFile.getnames.<locals>.<listcomp>)r r r8 r8 r9 getnames s zTarFile.getnamesc C sZ | d |dur|j}|du r$|}tj|\}}|tjd}|d}| }| |_ |du r| j stt |}qt |}nt | }d}|j}t |r|j|jf} | j s|jdkr| | jv r|| j| krt} | j| }nt} | d r|| j| < nht |rt} nVt |r"t} nDt |r>t } t |}n(t |rPt } nt |rbt!} ndS ||_||_"|j#|_$|j%|_&| tkr|j'|_(nd|_(|j)|_*| |_+||_,t-rzt-.|j$d |_/W n t0y Y n0 t1rzt12|j&d |_3W n t0y Y n0 | t t!fv rVt4tdrVt4tdrVt5|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_ISDIRr. S_ISFIFOr S_ISLNKr readlinkS_ISCHRrT S_ISBLKrU r st_uidr) st_gidr* st_sizer' st_mtimer( r r pwdgetpwuidr+ r grpgetgrgidr, r r st_rdevr r r ) r r arcnamer drvr Zstatresr Zstmdinoder r8 r8 r9 gettarinfo s zTarFile.gettarinfoT)r c C s* | |du r| }|D ] }|r|jdu r6td ntt|j td|jpT|j|jp^|jf | sv| rtdd|j |j f ntd|j |jdu rtd n tdt|jdd t|j| rd nd |r | rtd |j | r td |j t 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 ??????????z%s/%sz%10sz%d,%dz%10dz????-??-?? ??:??:??z%d-%02d-%02d %02d:%02d:%02dr r r z-> zlink to )r r rn r r r+ r) r, r* r r r r r' r( r localtimer r r r r rm )r verboser r r8 r8 r9 r ^ s8 z TarFile.listfilterc C sL | d |du r|}| jdurFtj|| jkrF| dd| dS | d| | ||}|du rz| dd| dS |dur||}|du r| dd| dS | rt|d }| || W d n1 s0 Y nb| r>| | |rHt t |D ],}| j tj||tj||||d qn | | 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 r )r r r} r% r _dbgr r r addfiler r listdiraddr )r r r recursiver r fr8 r8 r9 r s6 , z TarFile.addc C s | d t|}|| j| j| j}| j| | jt |7 _| j }|durt || j|j |d t |j t\}}|dkr| 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)rc r r# )r r* r7 rS r6 r7 r r_ r r2 r r\ r' r] r r3 r r )r r r rX rc rd re r8 r8 r9 r s zTarFile.addfilec C sT |d u r| j }|d u rtjd}|d u rz tt}W n tyJ Y nV0 dd l}|jd dd}| | | W d n1 s0 Y |jdddd}|rz t | }W n$ t y t d|d d Y n0 || _ |S t rtd t tS tS t|tr td |S t|r |S z t | W S t yN t d|d d Y n0 d S ) NZ PYTHON_TARFILE_EXTRACTION_FILTERr )#)Z interpolationZcomment_prefixesr r )fallbackzfilter z not founda The default behavior of tarfile extraction has been changed to disallow common exploits (including CVE-2007-4559). By default, absolute/parent paths are disallowed and some mode bits are cleared. See https://access.redhat.com/articles/7004769 for more details.zrString names are not supported for TarFile.extraction_filter. Use a function such as tarfile.data_filter directly.)extraction_filterr} environrS r _CONFIG_FILENAMEFileNotFoundError configparser ConfigParserZ read_file_NAMED_FILTERSr r0 _RH_SAFER_DEFAULTwarningswarnRuntimeWarningr r rF rI TypeErrorcallable)r r r filer Zconfr8 r8 r9 _get_filter_function sZ ( z TarFile._get_filter_function.) numeric_ownerr c C s g }| |}|du r| }|D ]L}| |||\}} |du r>q | rP|| | j||| ||d q |jdd dd |D ]0} zz|| |}W nB ty } z*| | t| W Y d} ~ W qW Y d} ~ n d} ~ 0 0 |du r| | d W qt j ||j } zt | } W n& ty8 | |d Y W qY n0 t| jsX| |d W q| j|| |d | || | || W q ty } z| | W Y d} ~ qd} ~ 0 0 qdS ) 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_attrsr filter_functionc S s | j S r r% )r r8 r8 r9 <lambda>( r z$TarFile.extractall.<locals>.<lambda>T)r reversezexcluded by filtermissingznot a directory)r )r _get_extract_tarinfor r _extract_onesort_FILTER_ERRORS_log_no_directory_fixupreprr} r% r r r r r r r chownutimechmodr _handle_nonfatal_error)r r% r r r Z directoriesr" r r unfilteredexcdirpathr r r8 r8 r9 extractall sV $ zTarFile.extractallc C s | dd|j|f d S )Nr$ z(tarfile: Not fixing up directory %r (%s))r r )r r reasonr8 r8 r9 r* J s z TarFile._log_no_directory_fixupr c C s8 | |}| |||\}}|dur4| |||| 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)r r& r' ) r r r% r! r r r" r r0 r8 r8 r9 extractN s zTarFile.extractc C s t |tr| |}n|}d}z|||}W n^ ttfy^ } z| | W Y d}~n6d}~0 ty } z| | W Y d}~n d}~0 0 |du r| dd|j dS | rt |}t j ||j|_||fS )zGet (filtered, unfiltered) TarInfos from *member* *member* might be a string. Return (None, None) if not found. Nr$ r )NN)rF rI r r r _handle_fatal_errorr r/ r r r r* r} r% r r r" )r r r" r% r0 filteredr r8 r8 r9 r& b s" z TarFile._get_extract_tarinfoc C s | d z&| j|tj||j||||d W nZ ty^ } z| | W Y d}~n6d}~0 ty } z| | W Y d}~n d}~0 0 dS )zExtract from filtered tarinfo to disk. filter_function is only used when extracting a *different* member (e.g. as fallback to creating a symlink) rz )r! r r" extraction_rootN) r _extract_memberr} r% r r r r6 r r/ )r r r% r! r r" r r8 r8 r9 r' s zTarFile._extract_onec C s" | j dkr n| dd| dS )z=Handle non-fatal error (ExtractError) according to errorlevelr# tarfile: %sN)r r r r r8 r8 r9 r/ s z TarFile._handle_nonfatal_errorc C sn | j dkr n\t|trP|jdu r6| dd|j qj| dd|j|jf n| ddt|j|f dS )z1Handle "fatal" error according to self.errorlevelr Nr# r: ztarfile: %s %rztarfile: %s %s)r rF r filenamer strerrorr rp r; r8 r8 r9 r6 s zTarFile._handle_fatal_errorc C s | d t|tr | |}n|}| s6|jtvrB| | |S | sR| rzt| j t rht dq~| | |S ndS 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. rz z'cannot extract (sym)link as file objectN)r rF rI r r r r{ fileobjectr r r r r extractfile_find_link_target)r r r r8 r8 r9 r? s zTarFile.extractfiler" r8 c C sZ | d}|dtj}tj|}|r>tj|s>t| | sN| rh| dd|j |j f n| d|j | r| || n| r| || n~| r| || nh| s| r| || nJ| s| r| j||||d n&|jtvr| || n | || |rV| ||| | sV| || | || dS )zExtract the filtered TarInfo object tarinfo to a physical file called targetpath. filter_function is only used when extracting a *different* member (e.g. as fallback to creating a symlink) r r# z%s -> %srA N) rl r r} r r% r r makedirsr r r r r r makefiler makedirr makefifor r makedevmakelink_with_filterr r{ makeunknownr, r. r- )r r targetpathr! r r" r8 Z upperdirsr8 r8 r9 r9 s< zTarFile._extract_memberc C s> z&|j du rt| n t|d W n ty8 Y n0 dS )z,Make a directory called targetpath. Ni )r r} mkdirFileExistsErrorr r rI r8 r8 r9 rD s zTarFile.makedirc C s | j }||j | j}t|dl}|jdurn|jD ]"\}}|| t|||t| q4||j | nt|||jt| W d n1 s0 Y dS )z'Make a file called targetpath. r N) r r r r r r r\ r r' truncate)r r rI sourcerc targetr r' r8 r8 r9 rC 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)rC r r rL r8 r8 r9 rH s zTarFile.makeunknownc C s" t tdrt| ntddS )z'Make a fifo called targetpath. mkfifoz fifo not supported by systemN)r r} rP r rL r8 r8 r9 rE % s zTarFile.makefifoc C sj t tdrt tds td|j}|du r.d}| rB|tjO }n |tjO }t||t |j |j dS )z<Make a character or block device called targetpath. mknodrF z'special devices not supported by systemNr ) r r} r r r r S_IFBLKS_IFCHRrQ rF r r )r r rI r r8 r8 r9 rF - s zTarFile.makedevc C s | ||d d S r )rG rL r8 r8 r9 makelink? s zTarFile.makelinkc C s( d}zX| r8tj|r$t| t|j| W dS tj|jrZt |j| W dS W n t yr d}Y n0 z| |}W n" t y |rt dn Y n0 |du r|}nT|du rt dz|||}W n4 ty } zt||j|W Y d}~n d}~0 0 |dur$| j||||d dS )a3 Make 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. filter_function is only used when extracting a *different* member (e.g. as fallback to creating a link). FNTz%unable to resolve link inside archivez[makelink_with_filter: if filter_function is not None, extraction_root must also not be NonerA )r r} r% lexistsunlinksymlinkr r r" linksymlink_exceptionr@ r r r) r r r9 ) r r rI r" r8 Zkeyerror_to_extracterrorr0 r7 causer8 r8 r9 rG B sF $ z TarFile.makelink_with_filterc C s t tdrt dkr|j}|j}|sz trB|jrBt|jd }W n tyV Y n0 z t rt|j rtt |j d }W n ty Y n0 |du rd}|du rd}z4| rt tdrt ||| nt||| W n ty tdY n0 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\ r, r r )r r rI r gur8 r8 r9 r, t s0 z TarFile.chownc C s@ |j du rdS zt||j W n ty: tdY n0 dS )zASet file permissions of targetpath according to tarinfo. Nzcould not change mode)r r} r. r r rL r8 r8 r9 r. s z TarFile.chmodc C sT |j }|du rdS ttds dS zt|||f W n tyN tdY n0 dS )zBSet modification time of targetpath according to tarinfo. Nr- z"could not change modification time)r( r r} r- r r )r r rI r( r8 r8 r9 r- s z TarFile.utimec C sl | d | jdur$| j}d| _|S | j| j krZ| j| jd | jdsZtdd}z| j | }W qJ t y } zD| j r| dd| j|f | jt 7 _W Y d}~q^W Y d}~qJd}~0 tyD } z`| j r| dd| j|f | jt 7 _W Y d}~q^n| jdkr.tt|W Y d}~qJd}~0 tyj | jdkrftdY n ty } z$| jdkrtt|W Y d}~nd}~0 ty } ztt|W Y d}~nvd}~0 tyB } zTz.ddl}t||jrtd | n|W n ty, |Y n0 W Y d}~n d}~0 0 qJq^|durb| j| nd | _|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. ZraNr# rZ r$ z0x%X: %sr z empty filez zlib error: T)r r r r r r r^ r r ru rv r r r rK rI rt ru rw Exceptionr rF r r r r r )r mr r r r8 r8 r9 r sZ " " z TarFile.nextc C s | }d}|durFz||}W n ty8 d}Y n0 |d| }|rVtj|}t|D ]D}|rx|j|jkr^d}q^|rtj|j}n|j}||kr^| S q^|rt|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 indexr0 r} r% r reversedr r ) r r r normalizer Zskippingrc r member_namer8 r8 r9 r s, zTarFile._getmemberc C s | }|du r qq d| _dS )zWRead through the entire archive file and look for readable members. NT)r r r r8 r8 r9 r s z TarFile._loadc C s: | j rtd| jj |dur6| j|vr6td| j 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 rp r )r r r8 r8 r9 r s zTarFile._checkc C s` | r.dtdtj|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 re zlinkname %r not found) r r r r} r% r r r r r )r r r limitr r8 r8 r9 r@ ' s zTarFile._find_link_targetc c s | j r| jE dH dS d}| jdur:| }|d7 }|V |t| jk rT| j| }n"| j sr| }|svd| _ dS ndS |d7 }|V q:dS )z$Provide an iterator object. Nr r# T)r r r r r2 )r rc r r8 r8 r9 __iter__: s$ zTarFile.__iter__c C s || j krt|tjd dS )z.Write debugging output to sys.stderr. r N)r rm rk stderr)r levelmsgr8 r8 r9 r Y s z TarFile._dbgc C s | | S r )r r r8 r8 r9 __enter___ s zTarFile.__enter__c C s, |d u r| n| js"| j d| _d S r )r r r r )r r r6 tracebackr8 r8 r9 __exit__c s zTarFile.__exit__) Nrz NNNNNNr1 NNNN)rz N)rz Nr )rz Nr )rz NN)NNN)T)NT)N)r N)r T)N)TF)NF)N)@rp rq rr rs r r r r r rS r r6 r7 r r r r> r r r r r r r r r r r r r r r r r r r r3 r* r5 r& r' r/ r6 r? r9 rD rC rH rE rF rT rG r, r. r- r r r r r@ rh r rm ro r8 r8 r8 r9 r y s oZ c&3 5 E 82! ? ( r c C sF z,t | drt| d}nt| }| W dS ty@ Y dS 0 dS )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. r^ )r TFN)r r r r )r r r8 r8 r9 r q s r c C s` 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 urJ|j }t |r4t |d$*}| t | tjd% W d n1 s0 Y |jrFt d&| n|d"d'| n|jd ur|j}t |rt |d( }|j|jd) W d n1 s0 Y n|d"d'| n|jd urt|jd"kr|jd }tj}n,t|jd*kr|j\}}n|d"| t |rt |d( }|j||jd+ W d n1 sR0 Y |jr|d,krzd-|} n d.||} t | n|d"d'| n|jd ur\|jd} tj | \} } d/d/d0d0d1d1d1d1d2} | | v rd3| | nd4}|j}t | |&}|D ]}| | qW d n1 s<0 Y |jr\t d5| d S )6Nr z3A simple command-line interface for tarfile module.) descriptionz-vz --verbose store_trueFzVerbose output)actiondefaulthelpz--filterz <filtername>zFilter for extraction)metavarchoicesrt T)requiredz-lz--list <tarfile>zShow listing of a tarfile)ru rt z-ez --extract+)rx z <output_dir>z Extract tarfile into target dir)nargsru rt z-cz--create)z<name>z<file>zCreate tarfile from sourcesz-tz--testzTest if a tarfile is validr# z&--filter is only valid for extraction rz ri z{!r} is a tar archive.z{!r} is not a tar archive. r )r r$ )r% r r 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_argumentr add_mutually_exclusive_group parse_argsr r5 exittestr r r rm rk rj r rS r r r2 r} curdir format_helpr3 Zcreatepopr% splitextr )r{ rp parserr argsr` r Ztfr rl Ztar_namer extZ compressionsZtar_modeZ tar_files file_namer8 r8 r9 main s 2 0 0 .r __main__)T)qrs version __author__ __credits__builtinsr r rk r} r r[ r r rV r* rer r r r AttributeErrorNotImplementedErrorrY r NameError__all__r r r3 r r r? r: r< r; rQ r# ri r r rT rU r. r ZCONTTYPErB rA rj rK rM rx r r r r r{ r rm r r rG rI r r r getfilesystemencodingr: r? rN rT rY r\ rn ra r r r r r r rt ru rv rK rw rx r objectr r BufferedReaderr r r r r r r r r) r r r r r r) compiler r r r r rp r8 r8 r8 r9 <module> s$ s h D _