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$Revision$s 0.9.0s& Lars Gust\u00e4bel (lars@gustaebel.de)s5 $Date: 2011-02-25 17:42:01 +0200 (Fri, 25 Feb 2011) $s? $Id: tarfile.py 88586 2011-02-25 15:42:01Z marc-andre.lemburg $s8 Gustavo Niemeyer, Niels Gust\u00e4bel, Richard Townsend.Nt TarFilet TarInfot
is_tarfilet TarErrori i s i i s ustar s ustar 00id i t 0t 1t 2t 3t 4t 5t 6t 7t Lt Kt St xt gt Xi i t patht linkpatht sizet mtimet uidt gidt unamet gnamet atimet ctimei i i ` i @ i i i i i i i@ i i i i t ntt ces utf-8c C s, | j | | } | | | t | t S( s8 Convert a string to a null-terminated bytes object.
( t encodet lent NUL( t st lengtht encodingt errors( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt stn s c C s8 | j d } | d k r( | | } n | j | | S( s8 Convert a null-terminated bytes object to a string.
s i( t findt decode( R" R$ R% t p( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt nts s
c C s | d t d k r^ y% t t | d d 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.
i i t asciit strictR i s invalid headeri ( t chrt intR* t
ValueErrort InvalidHeaderErrort rangeR t ord( R" t nt i( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt nti s %
c C s d | k o d | d k n rH d | d | f j d t } n | t k sh | d | d k rw t d n | d k r t j d t j d | d } n t } x6 t | d D]$ } | j d | d
@ | d L} q W| j d d | S( s/ Convert a python number to a number field.
i i i s %0*oR+ i s overflow in number fieldR
t li i (
R R! t
GNU_FORMATR/ t structt unpackt packt bytearrayR1 t insert( R3 t digitst formatR" R4 ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt itn s $$ % 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.
i t 148Bi t 356Bi i t 148bt 356b( t sumR8 R9 ( t buft unsigned_chksumt
signed_chksum( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt calc_chksums s 77c C s | d k r d S| d k rS x0 t rN | j d } | s> Pn | j | q Wd Sd } t | | \ } } xQ t | D]C } | j | } t | | k r t d n | j | q{ 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.
If length is None, copy the entire content.
i Ni i s end of file reachedi @ i @ ( t Nonet Truet readt writet divmodR1 R t IOError( t srct dstR# RE t BUFSIZEt blockst remaindert b( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt copyfileobj s, R6 t -RT t dt cR) 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()
RV t ( t filemode_tablet appendt join( t modet permt tablet bitt char( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt filemode8 s
c B s e Z d Z RS( s Base exception.( t __name__t
__module__t __doc__( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR G s t ExtractErrorc B s e Z d Z RS( s% General exception for extract errors.( Rg Rh Ri ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRj J s t ReadErrorc B s e Z d Z RS( s& Exception for unreadable tar archives.( Rg Rh Ri ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRk M s t CompressionErrorc B s e Z d Z RS( s. Exception for unavailable compression methods.( Rg Rh Ri ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRl P s t StreamErrorc B s e Z d Z RS( s= Exception for unsupported operations on stream-like TarFiles.( Rg Rh Ri ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRm S s t HeaderErrorc B s e Z d Z RS( s! Base exception for header errors.( Rg Rh Ri ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRn V s t EmptyHeaderErrorc B s e Z d Z RS( s Exception for empty headers.( Rg Rh Ri ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRo Y s t TruncatedHeaderErrorc B s e Z d Z RS( s Exception for truncated headers.( Rg Rh Ri ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRp \ s t EOFHeaderErrorc B s e Z d Z RS( s" Exception for end of file headers.( Rg Rh Ri ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRq _ s R0 c B s e Z d Z RS( s Exception for invalid headers.( Rg Rh Ri ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR0 b s t SubsequentHeaderErrorc B s e Z d Z RS( s3 Exception for missing and invalid extended headers.( Rg Rh Ri ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRr e 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.
It is used instead of a regular file object for streaming
access.
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( NRY RZ t O_BINARYi ( t ost O_RDONLYt O_WRONLYt O_CREATt O_TRUNCt hasattrRt t opent fd( t selft nameRa ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt __init__r s
c C s t j | j d S( N( Ru t closeR| ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR { s c C s t j | j | S( N( Ru RK R| ( R} R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRK ~ s c C s t j | j | d S( N( Ru RL R| ( R} R" ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRL s ( Rg Rh Ri R R RK RL ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRs l 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
d d
Z d d Z
d Z d
Z RS( s 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 t | _ | d k r0 t | | } t | _ n | d k rW t | } | j } n | p` d | _ | | _ | | _ | | _
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j n t | _ n Xd S( s$ Construct a _Stream object.
t *R] i t gziNs zlib module is not availableRY t bz2s bz2 module is not available( RJ t _extfileobjRI Rs t Falset _StreamProxyt getcomptypeR~ Ra t comptypet fileobjt bufsizeRE t post closedt zlibt ImportErrorRl t crc32t crct
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c C s* t | d r& | j r& | j n d S( NR ( Rz R R ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt __del__ s c C s | j j d | j j | j j | j j d | _ t j d t t j } | j
d | d | j j d r | j d | _ n | j
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i i s Z2 RS(@ s Informational class which holds the details about an
archive member given by a tar header block.
TarInfo objects are returned by TarFile.getmember(),
TarFile.getmembers() and TarFile.gettarinfo() and are
usually created internally.
R~ Ra R R R R t chksumt typet linknameR R t devmajort devminorR R t pax_headersR R t _sparse_structst _link_targetR] c C s | | _ d | _ d | _ d | _ d | _ d | _ d | _ t | _ d | _ d | _
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d | _ d | _ d | _ i | _ d S( sX Construct a TarInfo object. name is the optional name
of the member.
i i R] N( R~ Ra R R R R R t REGTYPER R R R R R R R RI R R ( R} R~ ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s" c C s | j S( N( R~ ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt _getpath s c C s
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k r | d j d r | d c d 7 R$ R% R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt tobuf s c C s t | d n y | | j d d
Wn" t k
r | | | | n Xt | | | k r> | | | | q> Wx d d d d f D] \ } } | | k rd | | R$ R% t partsRE R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/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
up to the next 512 byte border.
i ( RM R R R! ( t payloadRR RS ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt _create_payloadu s c C sm | j | | t } 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.
N( R R R t
_proc_gnulongR t _proc_sparseR R t SOLARIS_XHDTYPEt _proc_paxt
_proc_builtin( R} R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR% s
c C sx | j j | _ | j } | j s6 | j t k rO | | j | j 7} n | | _ | j | j
| j | j | S( sf Process a builtin type or an unknown type which
will be treated as a regular file.
(
R R R t isregR t SUPPORTED_TYPESt _blockR R t _apply_pax_infoR R$ R% ( R} R R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR+ $ s c C s | j j | j | j } y | j | } Wn t k
rP t d n X| j | _ | j t k r t
| | j | j | _
n- | j t k r t
| | j | j | _ n | S( sS Process the blocks that hold a GNU longname
or longlink member.
s missing or bad subsequent header( R RK R. R R& Rn Rr R R R R* R$ R% R~ R R ( R} R RE t next( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR' 5 s
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r Pn X| r | r | j | | f n | d 7} qF Wt | d } q W| | _ | j j
| _ | j | j | j
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i i i i i ( R R RK R R1 R5 R/ R_ R R R R R. R R (
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c C s | j j | j | j } | j t k r9 | j } n | j j } t j d | } | d k r | j d j d | d s c C s x | j D] \ } } | d k r8 t | d | q
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r d } q Xn | d k r | j d } n t | | | q
q
W| j | _ d S( so Replace fields with supplemental information from a previous
pax extended or global header.
s GNU.sparse.nameR s GNU.sparse.sizeR s GNU.sparse.realsizei R N( R t setattrR. t
PAX_FIELDSt PAX_NUMBER_FIELDSR/ R R R ( R} R R$ R% R R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR/ s"
c C s9 y | j | d SWn t k
r4 | j | | SXd S( s1 Decode a single field from a pax record.
R, N( R( t UnicodeDecodeError( R} R R$ t fallback_encodingt fallback_errors( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR: s
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.
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| j t k S( N( R t BLKTYPE( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt isblk" s c C s
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e Z e Z d1 d d1 d1 d1 d1 d1 d1 d d1 d1 d1 d Z e d1 d d1 e d Z e d d1 d Z e d d1 d d Z e d d1 d d
Z i d d 6d
d 6d d 6Z d Z d Z d Z d Z d1 d1 d1 d Z e d Z d1 e d1 d1 d Z! d1 d Z" d d1 d Z# d e d Z$ d Z% e d Z& d Z' d Z( d! Z) d" Z* d# Z+ d$ Z, d% Z- d& Z. d' Z/ d( Z0 d1 e d) Z1 d* Z2 d1 d+ Z3 d, Z4 d- Z5 d. Z6 d/ Z7 d0 Z8 RS(2 s= The TarFile Class provides an interface to tar archives.
i i RY R c
C s t | d k s | d k r- t d n | | _ i d d 6d d 6d d 6| | _ | s | j d k r t j j | r d | _ d | _ n t | | j } t | _ nN | d
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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.
i R s mode must be 'r', 'a' or 'w't rbRY s r+bt at wbRZ R~ Ra t awN(- R R/ Ra t _modeRu R t existst bltn_openR R RI Rz R~ RJ t abspathR R> R t dereferencet ignore_zerosR$ R% R R t debugt
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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 openRY s r:*s% file could not be opened successfullyt :i R s unknown compression type %rt |t rws mode must be 'r' or 'w'Re s undiscernible modeN( RY s r:*( R/ t OPEN_METHR RI R Rk Rl R RE R R R R t taropen(
R R~ Ra R R t kwargsR t funct saved_posRr Rf t streamR[ ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR{ sN
c K s@ t | d k s | d k r- t d n | | | | | S( sC Open uncompressed tar archive name for reading or writing.
i R s mode must be 'r', 'a' or 'w'( R R/ ( R R~ Ra R Rx ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRw s i c K s6 t | d k s | d k r- t d n y d d l } | j Wn# t t f k
ri t d n X| d k } y8 | j | | d | | } | j | | | | } Wnx t k
r | r | d k r | j
n | d k r n t d n* | r"| d k r"| j
n n X| | _ | S( sk Open gzip compressed tar archive name for reading or writing.
Appending is not allowed.
i Ru s mode must be 'r' or 'w'iNs gzip module is not availableRT s not a gzip file(
R R/ t gzipt GzipFileR t AttributeErrorRl RI Rw RN R Rk R ( R R~ Ra R t
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c K s t | d k s | d k r- t d n y d d l } Wn t k
r\ t d n X| d k r{ t | | } n | j | | d | } y | j | | | | } Wn- t t
f k
r | j t d n Xt
| _ | S( sl Open bzip2 compressed tar archive name for reading or writing.
Appending is not allowed.
i Ru s mode must be 'r' or 'w'.iNs bz2 module is not availableR s not a bzip2 file( R R/ R R Rl RI R t BZ2FileRw RN t EOFErrorR Rk R R ( R R~ Ra R R Rx R R[ ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt bz2open$ s
Rw R R R R R c C s | j r
d S| j d k r | j j t t d | j t d 7_ t | j t \ } } | d k r | j j t t | q n | j s | j j
n t | _ d S( sl Close the TarFile. In write-mode, two finishing zero blocks are
appended to the archive.
NRe i i ( R Ra R RL R! R R RM t
RECORDSIZER R RJ ( R} RR RS ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR H 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
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.
s filename %r not foundN( t
_getmemberRI t KeyError( R} R~ R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/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
list has the same order as the members in the archive.
( t _checkRo t _loadRn ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt
getmembersg s
c C s g | j D] } | j ^ q
S( s Return the members of the archive as a list of their names. It has
the same order as the list returned by getmembers().
( R R~ ( R} R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt getnamesq s c C s\ | j d | d k r% | j } n | d k r: | } n t j j | \ } } | j t j d } | j d } | j } | | _
| d k r t t d r | j r t j
| } q t j | } n t j | j } d } | j } t j | r| j | j f } | j rj| j d k rj| | j k rj| | j | k rjt }
| j | } qt }
| d r| | j | s link toN( R t printRf Ra R R R R RU RW R R R R t localtimeR R~ R RQ R RS ( R} t verboseR ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRA s&
!) 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 rst | d
} | j
| | | j n | j r| j
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| j
| 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'
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. `exclude' is a function that should
return True for each filename to be excluded. `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.
Re iNs use the filter argument insteadi s tarfile: Excluded %rs tarfile: Skipped %ri s tarfile: Unsupported type %rRb t filter( R RI t warningst warnt DeprecationWarningt _dbgR~ Ru R Ri R R, Rh t addfileR R t listdirt addR` ( R} R~ R t recursivet excludeR R R t f( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR sD
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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( s] Add the TarInfo object `tarinfo' to the archive. If `fileobj' is
given, tarinfo.size bytes are read from it and added to the archive.
You can create TarInfo objects using gettarinfo().
On Windows platforms, `fileobj' should always be opened with mode
'rb' to avoid irritation about the file size.
Re i i N( R R R R> R$ R% R RL R R RI RU R RM R R! Rn R_ ( R} R R RE RR RS ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR 4 s
t .c C s: g } | d k r | } n x_ | D]W } | j r\ | j | t j | } d | _ n | j | | d | j q" W| j d d | j x | D] } t j j
| | j } y4 | j | | | j
| | | j | | Wq t k
r1} | j d k r q2| j d d | q Xq Wd S( sM 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().
i t set_attrst keyc S s | j S( N( R~ ( Rc ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt d R] i s tarfile: %sN( RI R R_ R Ra t extractt sortt reverseRu R R` R~ t chownt utimet chmodRj Rm R ( R} R Rn t directoriesR t dirpathRr ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt
extractallN s*
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R] c C s= | j d t | t r. | j | } n | } | j r^ t j j | | j | _ n y, | j
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d k r q9| j d k r | j d d | j q9| j d d | j | j f n< t k
r8} | j
d k r! q9| j d d | n Xd S( sx 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.
RY R i i s tarfile: %ss tarfile: %s %rN( R R R R RS Ru R R` R R t _extract_memberR~ t EnvironmentErrorRm t filenameRI R t strerrorRj ( R} t memberR R R Rr ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR t s&
! #c C s | j d t | t r. | j | } n | } | j rP | j | | S| j t k ro | j | | S| j s | j r t | j
t r t d q | j
| j | Sn d Sd S( s 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, 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.
The file-like object is read-only and provides the following
methods: read(), readline(), readlines(), seek() and tell()
RY s' cannot extract (sym)link as file objectN( R R R R R, t
fileobjectR R- RS RQ R R Rm t extractfilet _find_link_targetRI ( R} R R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s
c C s | j d } | j d t j } t j j | } | r_ t j j | r_ t j | n | j sw | j r | j
d d | j | j f n | j
d | j | j
r | j | | n | j r | j | | n | j r
| j | | n | j s"| j r5| j | | n] | j sM| j r`| j | | n2 | j t k r| j | | n | j | | | r| j | | | j s| j | | | j | | qn d S( s\ Extract the TarInfo object tarinfo to a physical
file called targetpath.
R i s %s -> %sN( R R Ru R R t dirnameRg t makedirsRS RQ R R~ R R, t makefileR t makedirRY t makefifoRU RW t makedevt makelinkR R- t makeunknownR R R ( R} R t
targetpathR t upperdirs( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s4 # c C sF y t j | d Wn+ t k
rA } | j t j k rB qB n Xd S( s, Make a directory called targetpath.
i N( Ru t mkdirR t errnot EEXIST( R} R R Rr ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s
c C s | j } | j | j t | d } | j d k rq xJ | j D]) \ } } | j | t | | | qA Wn t | | | j | j | j | j | j d S( s' Make a file called targetpath.
Rd N(
R R R Rh R RI RU R t truncateR ( R} R R t sourcet targetR R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s
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at targetpath.
i s9 tarfile: Unknown file type %r, extracted as regular file.N( R R R ( R} R R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s c C s/ t t d r t j | n t d d S( s' Make a fifo called targetpath.
t mkfifos fifo not supported by systemN( Rz Ru R Rj ( R} R R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s c C s t t d s t t d r/ t d n | j } | j rT | t j O} n
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t mknodR s' special devices not supported by systemN( Rz Ru Rj Ra RW R t S_IFBLKt S_IFCHRR R R R ( R} R R Ra ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s
c C s yj | j r% t j | j | nD t j j | j rP t j | j | n | j | j | | WnP t
k
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| j } q | j } n> Xy | j | j | | Wn t k
r t d n Xd S( s 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.
s% unable to resolve link inside archiveN( RQ Ru t symlinkR R Rg R t linkR R t symlink_exceptionR` R R~ R Rj ( R} R R R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR ' s"
c C s t rt t d rt j d k ry t j | j d } Wn t k
r] | j } n Xy t j | j
d } Wn t k
r | j } n XyZ | j r t t d r t j
| | | n% t j d k r t j | | | n Wqt k
r} t d qXn d S( s6 Set owner of targetpath according to tarinfo.
t geteuidi i t lchownt os2emxs could not change ownerN( R Rz Ru R R t getgrnamR R R t getpwnamR R RQ R t syst platformR R Rj ( R} R R R t uRr ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR D s '
c C sO t t d rK y t j | | j WqK t k
rG } t d qK Xn d S( sA Set file permissions of targetpath according to tarinfo.
R s could not change modeN( Rz Ru R Ra R Rj ( R} R R Rr ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR Z s
c C sY t t d s d Sy t j | | j | j f Wn t k
rT } t d n Xd S( sB Set modification time of targetpath according to tarinfo.
R Ns" could not change modification time( Rz Ru R R R Rj ( R} R R Rr ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR c s c C s | j d | j d k r2 | j } d | _ | S| j j | j d } xkt ry | j j | } WnGt k
r } | j
r| j d d | j | f | j t 7_ qN qn t
k
r+} | j
r| j d d | j | f | j t 7_ qN q| j d k rt t | qn t k
rY| j d k rt d qn[ t k
r} | j d k rt t | qn% t k
r} t t | n XPqN 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 0x%X: %si s
empty fileN( R Rq RI R R R RJ R R& Rq Rk R R R0 Rk R Ro Rp Rr Rn R_ Ro ( R} t mR Rr ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR0 n sF
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( R RI t indexRu R t normpatht reversedR~ ( R} R~ R t normalizeRn R t member_name( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR 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( RJ R0 RI Ro ( R} R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR 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 RN R Rg RI Ra ( R} Ra ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s c C s | j r5 t j j | j d | j } 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(
RQ Ru R R R~ R RI R RJ R ( R} R R t limitR ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s c C s$ | j r t | j St | Sd S( s$ Provide an iterator object.
N( Ro t iterRn t TarIter( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s
c C s) | | j k r% t | d t j n d S( s. Write debugging output to sys.stderr.
t fileN( Rl R R t stderr( R} t levelt msg( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s c C s | j | S( N( R ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt __enter__ s
c C s? | d k r | j n" | j s2 | j j n t | _ d S( N( RI R R R RJ R ( R} R R t traceback( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt __exit__ s
N(9 Rg Rh Ri Rl R Rj Rk Rm R^ R> R_ R$ RI R% R R R R R R` R R{ Rw R R Rv R R R R R RJ RA R R R R R R R R R R R R R R R R0 R R R R R R R R ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR , sn iK
b > &# & 0 1
R c B s/ e Z d Z d Z d Z d Z e 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 ( R} R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR
s c C s | S( s Return iterator object.
( ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR
s c C s} | j j s9 | j j } | sj t | j _ t qj n1 y | j j | j } Wn t k
ri t n X| 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 ( R Ro R0 RJ t
StopIterationRn R t
IndexError( R} R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt __next__
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( Rg Rh Ri R R R R0 ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s
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.
N( R{ R RJ R R ( R~ R[ ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR #
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__author__t __date__t __cvsid__t __credits__R Ru R R R R8 R R3 R R R RI R~ t NotImplementedErrorR t WindowsErrort NameErrort __all__t version_infot __builtin__t builtinsR{ t _openR! R R R R R R R R R RR RP RT RV R RX t CONTTYPER R R R R R) R R7 R R^ R- RN R RI t setR; R R. RJ t S_IFLNKt S_IFREGR t S_IFDIRR t S_IFIFOt TSUIDt TSGIDt TSVTXt TUREADt TUWRITEt TUEXECt TGREADt TGWRITEt TGEXECt TOREADt TOWRITEt TOEXECR~ R_ t getfilesystemencodingR& R* R5 R? RH RU R^ Rf t ExceptionR Rj Rk Rl Rm Rn Ro Rp Rq R0 Rr t objectRs R R R R R R R R R Rh ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt s.
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