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eg f dt YZm du f dv YZn dw f dx YZo dy eo f dz YZp d{ eo f d| YZq d} er f d~ YZs d# Zt d= Zu d f d YZv d Zw em j Z d S( s, Read from and write to tar format archives.
s $Revision: 85213 $s 0.9.0s! Lars Gustbel (lars@gustaebel.de)s $Date$s $Id$s3 Gustavo Niemeyer, Niels Gustbel, Richard Townsend.i( t openNt TarFilet TarInfot
is_tarfilet TarErrors i i s ustar s ustar 00id i t 0t 1t 2t 3t 4t 5t 6t 7t Lt Kt St xt gt Xi i i t patht linkpatht sizet mtimet uidt gidt unamet gnamet atimet ctimei i i ` i @ i i i i i i i@ i i i i c C s | | | t | t S( s@ Convert a python string to a null-terminated string buffer.
( t lent NUL( t st length( ( s /usr/lib64/python2.7/tarfile.pyt stn s c C s' | j d } | d k r | S| | S( s? Convert a null-terminated string field to a python string.
s i( t find( R t p( ( s /usr/lib64/python2.7/tarfile.pyt nts s c C s | d t d k r^ y% t t | j p1 d d } Wq t k
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i i R i s invalid headerl i ( t chrt intR$ t stript
ValueErrort InvalidHeaderErrort xrangeR t ord( R t nt i( ( s /usr/lib64/python2.7/tarfile.pyt nti s %
c C s d | k o d | d k n r? d | d | f t } n | t k s_ | d | d k rn t d n | d k r t j d t j d | d } n d } x6 t | d D]$ } t | d
@ | } | d L} q Wt d | } | S( s/ Convert a python number to a number field.
i i i s %0*oi s overflow in number fieldR
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c C sx d t t j d | d t j d | d d ! } d t t j d | d t j d | d d ! } | | f S( s Calculate the checksum for a member's header by summing up all
characters except for the chksum field which is treated as if
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which will be different if there are chars in the buffer with
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signed.
i t 148Bi t 356Bi i t 148bt 356b( t sumR2 R3 ( t buft unsigned_chksumt
signed_chksum( ( s /usr/lib64/python2.7/tarfile.pyt calc_chksums s 77c C s | d k r d S| d k r0 t j | | d Sd } t | | \ } } xQ t | D]C } | j | } t | | k r t d n | j | qX W| d k r | j | } t | | k r t d n | j | n d S( sj Copy length bytes from fileobj src to fileobj dst.
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i Ni i s end of file reachedi @ ( t Nonet shutilt copyfileobjt divmodR* t readR t IOErrort write( t srct dstR t BUFSIZEt blockst remaindert bRG ( ( s /usr/lib64/python2.7/tarfile.pyRM s$ R/ t -RW t dR@ R# t rt wR t tt Tc C si g } xS t D]K } xB | D]- \ } } | | @| k r | j | Pq q W| j d q
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-rwxrwxrwx.
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RX R0 ( t filemode_tableR< R= ( t modet permt tablet bitt char( ( s /usr/lib64/python2.7/tarfile.pyt filemode7 s
c B s e Z d Z RS( s Base exception.( t __name__t
__module__t __doc__( ( ( s /usr/lib64/python2.7/tarfile.pyR F s t ExtractErrorc B s e Z d Z RS( s% General exception for extract errors.( Re Rf Rg ( ( ( s /usr/lib64/python2.7/tarfile.pyRh I s t ReadErrorc B s e Z d Z RS( s& Exception for unreadable tar archives.( Re Rf Rg ( ( ( s /usr/lib64/python2.7/tarfile.pyRi L s t CompressionErrorc B s e Z d Z RS( s. Exception for unavailable compression methods.( Re Rf Rg ( ( ( s /usr/lib64/python2.7/tarfile.pyRj O s t StreamErrorc B s e Z d Z RS( s= Exception for unsupported operations on stream-like TarFiles.( Re Rf Rg ( ( ( s /usr/lib64/python2.7/tarfile.pyRk R s t HeaderErrorc B s e Z d Z RS( s! Base exception for header errors.( Re Rf Rg ( ( ( s /usr/lib64/python2.7/tarfile.pyRl U s t EmptyHeaderErrorc B s e Z d Z RS( s Exception for empty headers.( Re Rf Rg ( ( ( s /usr/lib64/python2.7/tarfile.pyRm X s t TruncatedHeaderErrorc B s e Z d Z RS( s Exception for truncated headers.( Re Rf Rg ( ( ( s /usr/lib64/python2.7/tarfile.pyRn [ s t EOFHeaderErrorc B s e Z d Z RS( s" Exception for end of file headers.( Re Rf Rg ( ( ( s /usr/lib64/python2.7/tarfile.pyRo ^ s R) c B s e Z d Z RS( s Exception for invalid headers.( Re Rf Rg ( ( ( s /usr/lib64/python2.7/tarfile.pyR) a s t SubsequentHeaderErrorc B s e Z d Z RS( s3 Exception for missing and invalid extended headers.( Re Rf Rg ( ( ( s /usr/lib64/python2.7/tarfile.pyRp d s t
_LowLevelFilec B s2 e Z d Z d Z d Z d Z d Z RS( s Low-level file object. Supports reading and writing.
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c C sg i t j d 6t j t j Bt j Bd 6| } t t d rK | t j O} n t j | | d | _ d S( NRZ R[ t O_BINARYi ( t ost O_RDONLYt O_WRONLYt O_CREATt O_TRUNCt hasattrRr R t fd( t selft nameR_ ( ( s /usr/lib64/python2.7/tarfile.pyt __init__q s
c C s t j | j d S( N( Rs t closeRy ( Rz ( ( s /usr/lib64/python2.7/tarfile.pyR} z s c C s t j | j | S( N( Rs RO Ry ( Rz R ( ( s /usr/lib64/python2.7/tarfile.pyRO } s c C s t j | j | d S( N( Rs RQ Ry ( Rz R ( ( s /usr/lib64/python2.7/tarfile.pyRQ s ( Re Rf Rg R| R} RO RQ ( ( ( s /usr/lib64/python2.7/tarfile.pyRq k s
t _Streamc B s e Z d Z d Z d Z d Z d Z d Z d Z d Z d Z
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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 t | _ | d k r0 t | | } t | _ n | d k rW t | } | j } n | p` d | _ | | _ | | _ | | _
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c C s* t | d r& | j r& | j n d S( NR ( Rx R R} ( Rz ( ( s /usr/lib64/python2.7/tarfile.pyt __del__ s c C s | j j d | j j | j j | j j d | _ t j d t t j } | j
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i i s ( t __class__Re R{ t id( Rz ( ( s /usr/lib64/python2.7/tarfile.pyt __repr__ s c C s i
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s invalid formatN( R t USTAR_FORMATt create_ustar_headerR1 t create_gnu_headert
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4c C s | j | d t S( sA Return the object as a pax global header block sequence.
R ( R t XGLTYPE( t clsR ( ( s /usr/lib64/python2.7/tarfile.pyt create_pax_global_headerD s c C s | t d } x$ | r4 | d d k r4 | d } q W| t | } | d } | sh t | t k rw t d n | | f S( sU Split a name longer than 100 chars into a prefix
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| j d t t | j d d d t | j d t d t | j d d d t | j d d d t | j d d d | t | j d d d | t | j d d d g } t j d t d j | } t | t d } | d d | | d } | S( s Return a header block. info is a dictionary with file
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R! t getR7 R R R2 R4 R R= RJ ( R R6 t partsRG R ( ( s /usr/lib64/python2.7/tarfile.pyR Y s& c C s@ t t | t \ } } | d k r< | t | t 7} n | S( sd Return the string payload filled with zero bytes
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i ( RN R R R ( t payloadRU RV ( ( s /usr/lib64/python2.7/tarfile.pyt _create_payloadu s c C s[ | t 7} i } d | d <| | d | j | S| j t t t f k rc | j | S| j
| Sd S( sY Choose the right processing method depending on
the type and call it.
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_proc_gnulongt GNUTYPE_SPARSEt _proc_sparset XHDTYPER t SOLARIS_XHDTYPEt _proc_paxt
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c C sx | j j | _ | j } | j s6 | j t k rO | | j | j 7} n | | _ | j | j
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R R R t isregR t SUPPORTED_TYPESt _blockR R t _apply_pax_infoR R> R? ( Rz R R ( ( s /usr/lib64/python2.7/tarfile.pyR s c C s | j j | j | j } y | j | } Wn t k
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or longlink member.
s missing or bad subsequent header( R RO R R R Rl Rp R R R R$ R{ R R ( Rz R RG t next( ( s /usr/lib64/python2.7/tarfile.pyR s
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s8 Process a GNU sparse header plus extra headers.
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c C s | j j | j | j } | j t k r9 | j } n | j j } t j d t j
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\ } } t | } | d k r t d n | | j d d | j d | d !} | j d } | j d } | | | <| | 7} qf Wy | j | }
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S( sV Process an extended or global header as described in
POSIX.1-2001.
s (\d+) ([^=]+)=i s invalid headeri i R9 s missing or bad subsequent headerR ( R RO R R R R R R t ret compilet UR t matcht groupsR& R) t endt startR R Rl Rp R R R! R> R? R R R R ( Rz R RG R t regexR R- R R R
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W| j | _ d S( so Replace fields with supplemental information from a previous
pax extended or global header.
R R i N( R t
PAX_FIELDSR t PAX_NUMBER_FIELDSR( RA t setattrR R ( Rz R R> R? R R
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c C s0 t | t \ } } | r( | d 7} n | t S( s_ Round up a byte count by BLOCKSIZE and return it,
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i ( RN R ( Rz R RU RV ( ( s /usr/lib64/python2.7/tarfile.pyR s
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6d d 6d d 6Z d Z d Z d Z d Z! d2 d2 d2 d Z" e# d Z$ d2 e# d2 d2 d Z% d2 d Z& d d2 d Z' d d Z( d Z) d Z* d Z+ d! Z, d" Z- d# Z. d$ Z/ d% Z0 d& Z1 d' Z2 d( Z3 d) Z4 d2 e d* Z5 d+ Z6 d2 d, Z7 d- Z8 d. Z9 d/ Z: d0 Z; d1 Z< RS(3 s= The TarFile Class provides an interface to tar archives.
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S( s 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'
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t rbRZ s r+bt at wbR[ s mode must be 'r', 'a' or 'w'R{ R_ s utf-8R8 t awN(- R( R_ t _modeRs R t existst bltn_openR R RK Rx R{ R t abspathR R6 R t dereferencet ignore_zerosR> R? R R t debugt
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R[ ( ( s /usr/lib64/python2.7/tarfile.pyt _setposixT s c sO | r | r t d n | d k r f d } x t j d | D] } t j | } | d k r | j } n y | | d | | SWqN t t f k
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| d k rN | j | qN qN qN XqN Wt d nUd | k rq| j d d \ } } | pd } | p#d } | j k rNt j | } n t d
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S| d k r? j | | | | St d d S( s| 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
'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
'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
'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
s nothing to openRZ s r:*c s j | d k S( Nt taropen( t OPEN_METH( R ( R ( s /usr/lib64/python2.7/tarfile.pyt not_compressed s R s% file could not be opened successfullyt :i R s unknown compression type %rt |R[ s mode must be 'r' or 'w'RI s undiscernible modeN( RZ s r:*( RZ R[ ( RI R[ ( R( t sortedR` R RK R Ri Rj R t splitR~ R} R R R_ ( R R{ R_ R R t kwargsRa R t funct saved_posRY Rd t streamR\ ( ( R s /usr/lib64/python2.7/tarfile.pyR i sP
c K s. | d k r t d n | | | | | S( sC Open uncompressed tar archive name for reading or writing.
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r | d k r | d k r t d n n Xy | j | | | | } WnL t
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| S( sk Open gzip compressed tar archive name for reading or writing.
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s | j j n Xd S( sl Close the TarFile. In write-mode, two finishing zero blocks are
appended to the archive.
NRK i i ( R R R_ R RQ R R R RN t
RECORDSIZER R} ( Rz RU RV ( ( s /usr/lib64/python2.7/tarfile.pyR}
s " c C s2 | j | } | d k r. t d | n | S( s Return a TarInfo object for member `name'. If `name' can not be
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most up-to-date version.
s filename %r not foundN( t
_getmemberRK t KeyError( Rz R{ R ( ( s /usr/lib64/python2.7/tarfile.pyt getmember s c C s' | j | j s | j n | j S( s Return the members of the archive as a list of TarInfo objects. The
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c C s | j d | d k r" | } n | d k rt d d l } | j d t d | | rt | j d d | d Sn | j d k r t j j | | j k r | j d d | d S| j d | | j
| | } | d k r | j d d | d S| d k r;| | } | d k r;| j d d | d Sn | j rrt | d
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| d S( s~ Add the file `name' to the archive. `name' may be any type of file
(directory, fifo, symbolic link, etc.). If given, `arcname'
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setting `recursive' to False. `exclude' is a function that should
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excluded from the archive.
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*c C s | j d t j | } | j | j | j | j } | j j | | j t | 7_ | d k r t | | j | j t
| j t \ } } | d k r | j j t t | | d 7} n | j | t 7_ n | j j | d S( sm Add the TarInfo object `tarinfo' to the archive. If `fileobj' is
given, tarinfo.size bytes are read from it and added to the archive.
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'rb' to avoid irritation about the file size.
RK i i N( Rw R R R6 R> R? R RQ R R RK RM R RN R R RT R< ( Rz R R RG RU RV ( ( s /usr/lib64/python2.7/tarfile.pyR s
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j j | | j
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r*} | j d k r q+| j d d | q Xq Wd S( sM Extract all members from the archive to the current working
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directories afterwards. `path' specifies a different directory
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list returned by getmembers().
i R R{ i s tarfile: %sN( RK R R< R R_ t extractt sortt operatort
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d k r q3| j d d | n Xd S( s# Extract a member from the archive to the current working directory,
using its full name. Its file information is extracted as accurately
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specify a different directory using `path'.
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a filename or a TarInfo object. If `member' is a regular file, a
file-like object is returned. If `member' is a link, a file-like
object is constructed from the link's target. If `member' is none of
the above, None is returned.
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methods: read(), readline(), readlines(), seek() and tell()
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| j | | n | j s"| j r5| j | | n] | j sM| j r`| j | | n2 | j t k r| j | | n | j | | | j | | | j s| j | | | j | | n d S( s\ Extract the TarInfo object tarinfo to a physical
file called targetpath.
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at targetpath.
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t geteuidi i t lchownt os2emxs could not change ownerN( R Rx Rs R R t getgrnamR Ru R t getpwnamR R R8 R t syst platformR R Rh ( Rz R R R t uRY ( ( s /usr/lib64/python2.7/tarfile.pyR s '
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c C sY t t d s d Sy t j | | j | j f Wn t k
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R Ns" could not change modification time( Rx Rs R R R Rh ( Rz R R RY ( ( s /usr/lib64/python2.7/tarfile.pyR s c C s% | j d | j d k r2 | j } d | _ | S| j | j j k r | j j | j d | j j d s t d q n d } xkt ry | j
j | } WnGt k
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rk} | j
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r| j d k rt d qn[ t k
r} | j d k rt t | qn% t k
r} t t | n XPq W| d k r| j j | n t | _ | S( s 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.
t rai s unexpected end of datai s 0x%X: %si s
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Rm Rn Rp RT R< RU ( Rz t mR RY ( ( s /usr/lib64/python2.7/tarfile.pyR" # sL
c C s | j } | d k r. | | j | } n | rI t j j | } n xK t | D]= } | rz t j j | j } n | j } | | k rV | SqV Wd S( s} Find an archive member by name from bottom to top.
If tarinfo is given, it is used as the starting point.
N( Ry RK t indexRs R t normpatht reversedR{ ( Rz R{ R t normalizeRT R t member_name( ( s /usr/lib64/python2.7/tarfile.pyRt Y s c C s6 x& t r( | j } | d k r Pq q Wt | _ d S( sW Read through the entire archive file and look for readable
members.
N( R R" RK RU ( Rz R ( ( s /usr/lib64/python2.7/tarfile.pyRx p s
c C sW | j r" t d | j j n | d k rS | j | k rS t d | j n d S( sn Check if TarFile is still open, and if the operation's mode
corresponds to TarFile's mode.
s %s is closeds bad operation for mode %rN( R RP R Re RK R_ ( Rz R_ ( ( s /usr/lib64/python2.7/tarfile.pyRw z s c C s | j rE d j t d t j j | j | j f } d } n | j } | } | j | d | d t
} | d k r t d | n | S( sZ Find the target member of a symlink or hardlink member in the
archive.
R R R s linkname %r not foundN( R8 R= R RK Rs R R R{ R Rt R Ru ( Rz R R t limitR ( ( s /usr/lib64/python2.7/tarfile.pyR s 0 c C s$ | j r t | j St | Sd S( s$ Provide an iterator object.
N( RU t iterRT t TarIter( Rz ( ( s /usr/lib64/python2.7/tarfile.pyR s
c C s# | | j k r t j | IJn d S( s. Write debugging output to sys.stderr.
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N(= Re Rf Rg RR R RP RQ RS RD R6 RE R> RK R? R R R R R| RZ R^ RC t posixRF Rs R R_ Ro Rr R` R} Rv Ry Rz R R R R R R R R R R R R R R R R R R R" Rt Rx Rw R R R R R ( ( ( s /usr/lib64/python2.7/tarfile.pyR st e
M!
c = % ! & /
6
R c B s) e Z d Z d Z d Z d Z RS( sM Iterator Class.
for tarinfo in TarFile(...):
suite...
c C s | | _ d | _ d S( s$ Construct a TarIter object.
i N( R R ( Rz R ( ( s /usr/lib64/python2.7/tarfile.pyR| s c C s | S( s Return iterator object.
( ( Rz ( ( s /usr/lib64/python2.7/tarfile.pyR s c C s | j d k r3 | j j d k r3 | j j } np | j t | j j k rd | j j | j } n? | j j s | j j } | s t | j _ t q n t | j d 7_ | S( s Return the next item using TarFile's next() method.
When all members have been read, set TarFile as _loaded.
i i N(
R R RW RK R" R RT RU R t
StopIteration( Rz R ( ( s /usr/lib64/python2.7/tarfile.pyR" s ! ( Re Rf Rg R| R R" ( ( ( s /usr/lib64/python2.7/tarfile.pyR s t _sectionc B s e Z d Z d Z d Z RS( s$ Base class for _data and _hole.
c C s | | _ | | _ d S( N( R R ( Rz R R ( ( s /usr/lib64/python2.7/tarfile.pyR| s c C s% | j | k o" | j | j k SS( N( R R ( Rz R ( ( s /usr/lib64/python2.7/tarfile.pyt __contains__ s ( Re Rf Rg R| R ( ( ( s /usr/lib64/python2.7/tarfile.pyR s R c B s e Z d Z d Z RS( s/ Represent a data section in a sparse file.
c C s t j | | | | | _ d S( N( R R| R ( Rz R R R ( ( s /usr/lib64/python2.7/tarfile.pyR| s ( Re Rf Rg R| ( ( ( s /usr/lib64/python2.7/tarfile.pyR s R$ c B s e Z d Z RS( s/ Represent a hole section in a sparse file.
( Re Rf Rg ( ( ( s /usr/lib64/python2.7/tarfile.pyR$ s R# c B s e Z d Z d Z d Z RS( sM Ringbuffer class which increases performance
over a regular list.
c C s
d | _ d S( Ni ( t idx( Rz ( ( s /usr/lib64/python2.7/tarfile.pyR| s c C su | j } x\ t rg | | } | | k r, Pn | d 7} | t | k rQ d } n | | j k r d Sq W| | _ | S( Ni i ( R R R RK ( Rz R R t item( ( s /usr/lib64/python2.7/tarfile.pyR" s
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ZipFile class.
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s c C s d S( N( ( Rz ( ( s /usr/lib64/python2.7/tarfile.pyt testzip$
s c C s | j j | S( N( R Rv ( Rz R{ ( ( s /usr/lib64/python2.7/tarfile.pyt getinfo&
s c C s" | j j | j j | j S( N( R R Rv RO ( Rz R{ ( ( s /usr/lib64/python2.7/tarfile.pyRO (
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c C s7 y t | } | j t SWn t k
r2 t SXd S( sf Return True if name points to a tar archive that we
are able to handle, else return False.
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__author__t __date__t __cvsid__t __credits__t __builtin__R RN R Rs RL R R R R2 R R* R R R R RK t __all__R R Rs R R R R R R R R9 R7 R; R= R R? t CONTTYPER R R R R R R R1 R RD R R5 R R2 R R& R3 t S_IFLNKt S_IFREGR t S_IFDIRR t S_IFIFOt TSUIDt TSGIDt TSVTXt TUREADt TUWRITEt TUEXECt TGREADt TGWRITEt TGEXECt TOREADt TOWRITEt TOEXECt getfilesystemencodingRE t getdefaultencodingR! R$ R. R7 RA RJ RM R^ Rd t ExceptionR Rh Ri Rj Rk Rl Rm Rn Ro R) Rp Rq R~ t objectR R R R R R R R R R$ R R# R R R R ( ( ( s /usr/lib64/python2.7/tarfile.pyt s.
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