Edit: /usr/lib64/python2.7/tarfile.pyo (76193B)
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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
rZ t d q XnI d } x@ t t | d D]( } | d K} | t | | d 7} q{ W| S( s/ Convert a number field to a python number.
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ValueErrort InvalidHeaderErrort xrangeR t ord( R t nt i( ( s /usr/lib64/python2.7/tarfile.pyt nti s %
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@ | } | d L} q Wt d | } | S( s/ Convert a python number to a number field.
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r | j | j d q= Xq= Wd j | SXn | j | | Sd S( s* Convert a unicode object to a string.
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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
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.
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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
Wd j | S( sc Convert a file's mode to a string of the form
-rwxrwxrwx.
Used by TarFile.list()
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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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access.
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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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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.
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!R8 c C ss | j | | } | t k r+ | j | S| t k rD | j | S| t k rc | j | | | St d d S( s< Return a tar header as a string of 512 byte blocks.
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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
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the type and call it.
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will be treated as a regular file.
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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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n | S( sS Process the blocks that hold a GNU longname
or longlink member.
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s8 Process a GNU sparse header plus extra headers.
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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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n | d k rI | j d } n | t k r y t | | } Wq t k
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W| j | _ d S( so Replace fields with supplemental information from a previous
pax extended or global header.
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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,
e.g. _block(834) => 1024.
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'
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.
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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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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| 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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