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Edit: tarfile.pyo
� ��abc @ s> d d l m Z d Z d Z d Z d Z d Z d Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z y d d l Z d d l Z Wn e k r� e Z Z n Xe e f Z y e e f 7Z Wn e k r� n Xd d d d g Z e j d d k r3d d l Z n d d l Z e j Z 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 Z+ d Z, d Z- d Z. d Z/ d Z0 d Z1 d Z2 d! Z3 d" Z4 d# Z5 d Z6 d$ Z7 d% Z8 e7 Z9 e' e( e) e* e- e. e/ e+ e, e0 e1 e2 f Z: e' e( e/ e2 f Z; e0 e1 e2 f Z< d& d' d( d) d* d+ d, d- f Z= e> d& d' d, d- f � Z? i e@ d. 6e@ d/ 6e@ d) 6eA d* 6eA d+ 6eA d( 6ZB d0 ZC d1 ZD d2 ZE d3 ZF d4 ZG d5 ZH d6 ZI d7 ZJ d ZK d8 ZL d9 ZM d: ZN d; ZO d< ZP d= ZQ d> ZR d% ZS d$ ZT e jU d? d@ f k r)dA ZV n e jW � ZV dB � ZX dC � ZY dD � ZZ d= e9 dE � Z[ dF � Z\ e dG � Z] eC dH f eD dI f eE dJ f eF dK f eG dL f eH dM f f eL dN f f eM dO f f eN eI BdP f eI d f eN d! f f eO dN f f eP dO f f eQ eJ BdP f eJ d f eQ d! f f eR dN f f eS dO f f eT eK BdQ f eK dR f eT d! f f f Z^ dS � Z_ d e` f dT � � YZa dU ea f dV � � YZb dW ea f dX � � YZc dY ea f dZ � � YZd d[ ea f d\ � � YZe d] ea f d^ � � YZf d_ ef f d` � � YZg da ef f db � � YZh dc ef f dd � � YZi de ef f df � � YZj dg ef f dh � � YZk di el f dj � � YZm dk el f dl � � YZn dm el f dn � � YZo do el f dp � � YZp dq el f dr � � YZq ds el f dt � � YZr d el f du � � YZs d el f dv � � YZt dw el f dx � � YZu dy � Zv e Zw et j Z d S(z i����( t print_functions $Revision$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 | _ | | _ | | _ | | _ | | _ d | _ d | _ t | _ y� | d k r%y d d l } Wn t k r� t d � � n X| | _ | j d � | _ | d k r| j � q%| j � n | d k r�y d d l } Wn t k r`t d � � n X| d k r�d | _ | j � | _ q�| j � | _ n Wn, | j s�| j j � n t | _ � n Xd S( s$ Construct a _Stream object. t *R] i t gzi����Ns 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 _init_read_gzt _init_write_gzR� t dbuft BZ2Decompressort cmpt BZ2CompressorR� ( R} R~ Ra R� R� R� R� R� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR � sP 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 | j j d d � t � d S( s6 Initialize for writing with gzip compression. i i s <Ls �s �s .gzi����s iso-8859-1t replaceN( R� t compressobjt DEFLATEDt MAX_WBITSt DEF_MEM_LEVELR� R8 R: R. t timet _Stream__writeR~ t endswithR R! ( R} t timestamp( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� � s c C sw | j d k r- | j j | | j � | _ n | j t | � 7_ | j d k rf | j j | � } n | j | � d S( s& Write string s to the stream. R� t tarN( R� R� R� R� R� R R� t compressR� ( R} R" ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRL � s c C s_ | j | 7_ xI t | j � | j k rZ | j j | j | j � | j | j | _ q Wd S( s] Write string s to the stream if a whole new block is ready to be written. N( RE R R� R� RL ( R} R" ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt __write� s c C s� | j r d S| j d k rF | j d k rF | j | j j � 7_ n | j d k r� | j r� | j j | j � d | _ | j d k r� | j j t j d | j d @� � | j j t j d | j d @� � q� n | j s� | j j � n t | _ d S( s[ Close the _Stream object. No operation should be done on it afterwards. NRZ R� R] R� s <LI���� ( R� Ra R� RE R� t flushR� RL R8 R: R� R� R� R� RJ ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� � s #) c C ss | j j | j j � | _ d | _ | j d � d k rI t d � � n | j d � d k rm t d � � n t | j d � � } | j d � | d @r� t | j d � � d t | j d � � } | j | � n | d @rx3 t r| j d � } | s | t k r� Pq� q� Wn | d @rUx3 t rQ| j d � } | sJ| t k r"Pq"q"Wn | d @ro| j d � n d S( s: Initialize for reading a gzip compressed fileobj. R] i s �s not a gzip filei s s unsupported compression methodi i i i i N( R� t decompressobjR� R� R� t _Stream__readRk Rl R2 RK RJ R! ( R} t flagt xlenR" ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� s. , c C s | j S( s3 Return the stream's file pointer position. ( R� ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt tell# s i c C s| | | j d k ri t | | j | j � \ } } x$ t | � D] } | j | j � q? W| j | � n t d � � | j S( sX Set the stream's file pointer to pos. Negative seeking is forbidden. i s seeking backwards is not allowed( R� RM R� R1 RK Rm ( R} R� RR RS R4 ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt seek( s c C s� | d k rZ g } x3 t rG | j | j � } | s7 Pn | j | � q Wd j | � } n | j | � } | j t | � 7_ | S( s� Return the next size number of bytes from the stream. If size is not defined, return all bytes of the stream up to EOF. R] N( RI RJ t _readR� R_ R` R� R ( R} R R[ RE ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRK 5 s c C s� | j d k r | j | � St | j � } x� | | k r� | j | j � } | sV Pn y | j j | � } Wn t k r� t d � � n X| j | 7_ | t | � 7} q. W| j | } | j | | _ | S( s+ Return size bytes from the stream. R� s invalid compressed data( R� R� R R� R� R� t decompressRN Rk ( R} R RX RE ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� G s c C s� t | j � } xN | | k r_ | j j | j � } | s= Pn | j | 7_ | t | � 7} q W| j | } | j | | _ | S( ss Return size bytes from stream. If internal buffer is empty, read another block from the stream. ( R RE R� RK R� ( R} R RX RE ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt __read\ s N( Rg Rh Ri R R� R� RL R� R� R� R� R� RI RK R� R� ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� � s 4 R� c B s2 e Z d Z d � Z d � Z d � Z d � Z RS( ss Small proxy class that enables transparent compression detection for the Stream interface (mode 'r|*'). c C s" | | _ | j j t � | _ d S( N( R� RK t BLOCKSIZERE ( R} R� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR q s c C s | j j | _ | j S( N( R� RK RE ( R} R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRK u s c C s0 | j j d � r d S| j j d � r, d Sd S( Ns �R� t BZh91R� R� ( RE t startswith( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� y s c C s | j j � d S( N( R� R� ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� � s ( Rg Rh Ri R RK R� R� ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� l s t _BZ2Proxyc B sS e Z d Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( s Small proxy class that enables external file object support for "r:bz2" and "w:bz2" modes. This is actually a workaround for a limitation in bz2 module's BZ2File class which (unlike gzip.GzipFile) has no support for a file object argument. i i c C s8 | | _ | | _ t | j d d � | _ | j � d S( NR~ ( R� Ra t getattrRI R~ t init( R} R� Ra ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR � s c C sb d d l } d | _ | j d k rO | j � | _ | j j d � d | _ n | j � | _ d S( Ni����i RY R] ( R� R� Ra R� t bz2objR� R� RE R� ( R} R� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� � s c C s� t | j � } x` | | k rq | j j | j � } | s= Pn | j j | � } | j | 7_ | t | � 7} q W| j | } | j | | _ | j t | � 7_ | S( N( R RE R� RK t blocksizeR� R� R� ( R} R R t rawt dataRE ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRK � s c C s4 | | j k r | j � n | j | | j � d S( N( R� R� RK ( 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.pyR� � s c C s; | j t | � 7_ | j j | � } | j j | � d S( N( R� R R� R� R� RL ( R} R� R� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRL � s c C s5 | j d k r1 | j j � } | j j | � n d S( NRZ ( Ra R� R� R� RL ( R} R� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� � s i @ ( Rg Rh Ri R� R R� RK R� R� RL R� ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� � s t _FileInFilec B sA e Z d Z d d � Z d � Z d � Z d � Z d d � Z RS( s A thin wrapper around an existing file object that provides a part of its data as an individual file object. c C s | | _ | | _ | | _ d | _ | d k rB d | f g } n d | _ g | _ d } | j } xs | D]k \ } } | | k r� | j j t | | d f � n | j j t | | | | f � | | 7} | | } qj W| | j k r | j j t | | j d f � n d S( Ni ( R� t offsetR t positionRI t map_indext mapR_ R� RJ ( R} R� R� R t blockinfot lastpost realpos( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR � s$ c C s# t | j d � s t S| j j � S( Nt seekable( Rz R� RJ R� ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� � s c C s | j S( s* Return the current file position. ( R� ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� � s c C s | | _ d S( s( Seek to a position in the file. N( R� ( R} R� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� � s c C sK | d k r | j | j } n t | | j | j � } d } x| d k rFx| t r� | j | j \ } } } } | | j k o� | k n r� PqP | j d 7_ | j t | j � k rP d | _ qP qP Wt | | | j � } | r | j j | | j | � | | j j | � 7} n | t | 7} | | 8} | j | 7_ qA W| S( s! Read data from the file. R] i i N( RI R R� t minRJ R� R� R R� R� RK R! ( R} R RE R� t startt stopR� R# ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRK � s( N( Rg Rh Ri RI R R� R� R� RK ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� � s t ExFileObjectc B s� e Z d Z d Z d � Z d � Z d � Z d � Z d d � Z e Z d d � Z d � Z d � Z e j d � Z d � Z d � Z RS( sa File-like object for reading an archive member. Is returned by TarFile.extractfile(). i c C sd t | j | j | j | j � | _ | j | _ d | _ t | _ | j | _ d | _ d | _ d S( NRY i R] ( R� R� t offset_dataR t sparseR~ Ra R� R� R� t buffer( R} t tarfilet tarinfo( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s c C s t S( N( RJ ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt readable! s c C s t S( N( R� ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt writable$ s c C s | j j � S( N( R� R� ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� ' s c C s� | j r t d � � n d } | j rh | d k rH | j } d | _ qh | j | } | j | | _ n | d k r� | | j j � 7} n | | j j | t | � � 7} | j t | � 7_ | S( s~ Read at most size bytes from the file. If size is not present or None, read all data until EOF is reached. s I/O operation on closed fileR] N( R� R/ R� RI R� RK R R� ( R} R RE ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyRK * s i����c C s | j r t d � � n | j j d � d } | d k r� x| t r� | j j | j � } | j | 7_ | sz d | k r= | j j d � d } | d k r� t | j � } n Pq= q= Wn | d k r� t | | � } n | j | } | j | | _ | j t | � 7_ | S( s� Read one entire line from the file. If size is present and non-negative, return a string with at most that size, which may be an incomplete line. s I/O operation on closed files i i i����( R� R/ R� R' RJ R� RK R� R R� R� ( R} R R� RE ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt readlineE s$ c C s: g } x- t r5 | j � } | s% Pn | j | � q W| S( s0 Return a list with all remaining lines. ( RJ R� R_ ( R} t resultt line( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt readlinesb s c C s | j r t d � � n | j S( s* Return the current file position. s I/O operation on closed file( R� R/ R� ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� l s c C s | j r t d � � n | t j k rH t t | d � | j � | _ n� | t j k r� | d k r t | j | d � | _ q� t | j | | j � | _ nC | t j k r� t t | j | | j � d � | _ n t d � � d | _ | j j | j � d S( s( Seek to a position in the file. s I/O operation on closed filei s Invalid argumentR] N( R� R/ Ru t SEEK_SETR� t maxR R� t SEEK_CURt SEEK_ENDR� R� R� ( R} R� t whence( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� t s ! ( c C s t | _ d S( s Close the file object. N( RJ R� ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� � s c c s, x% t r' | j � } | s Pn | Vq Wd S( s/ Get an iterator over the file's lines. N( RJ R� ( R} R� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt __iter__� s N( Rg Rh Ri R� R R� R� R� RI RK t read1R� R� R� Ru R� R� R� R� ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� s c B s� e Z d Z d? Z d d � Z d � Z d � Z e e e � Z d � Z d � Z e e e � Z d � Z d � Z e e d d � Z d � Z d � Z d! � Z e d" � � Z d# � Z e d$ � � Z e d% � � Z e d& � � Z e d' � � Z e d( � � Z e d) � � Z d* � Z d+ � Z d, � Z d- � Z! d. � Z" d/ � Z# d0 � Z$ d1 � Z% d2 � Z& d3 � Z' d4 � Z( d5 � Z) d6 � Z* d7 � Z+ d8 � Z, d9 � Z- d: � Z. d; � Z/ d< � Z0 d= � Z1 d> � 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 | _ d | _ d | _ d | _ 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 | | _ d S( N( R~ ( R} R~ ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt _setpath� s c C s | j S( N( R� ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt _getlinkpath� s c C s | | _ d S( N( R� ( R} R� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt _setlinkpath� s c C s d | j j | j t | � f S( Ns <%s %r at %#x>( t __class__Rg R~ t id( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt __repr__� s c C s� i | j d 6| j d @d 6| j d 6| j d 6| j d 6| j d 6| j d 6| j d 6| j d 6| j d 6| j d 6| j d 6| j d 6} | d t k r� | d j d � r� | d c d 7<n | S( s9 Return the TarInfo's attributes as a dictionary. R~ i� Ra R R R R R� R� R� R R R� R� t /( R~ Ra R R R R R� R� R� R R R� R� t DIRTYPER� ( R} t info( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt get_info� s" $t surrogateescapec C sv | j � } | t k r+ | j | | | � S| t k rJ | j | | | � S| t k rf | j | | � St d � � d S( s< Return a tar header as a string of 512 byte blocks. s invalid formatN( R� t USTAR_FORMATt create_ustar_headerR7 t create_gnu_headert PAX_FORMATt create_pax_headerR/ ( R} R> R$ R% R� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt tobuf� s c C s t | d <t | d � t k r/ t d � � n t | d � t k ri | j | d � \ | d <| d <n | j | t | | � S( s3 Return the object as a ustar header block. t magicR� s linkname is too longR~ t prefix( t POSIX_MAGICR t LENGTH_LINKR/ t LENGTH_NAMEt _posix_split_namet _create_headerR� ( R} R� R$ R% ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� � s $c C s� t | d <d } t | d � t k rI | | j | d t | | � 7} n t | d � t k r� | | j | d t | | � 7} n | | j | t | | � S( s: Return the object as a GNU header block sequence. R� R] R� R~ ( t GNU_MAGICR R� t _create_gnu_long_headert GNUTYPE_LONGLINKR� t GNUTYPE_LONGNAMER� R7 ( R} R� R$ R% RE ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� s ##c C s� t | d <| j j � } x� d d t f d d t f d d f D]� \ } } } | | k r_ q> n y | | j d d � Wn" t k r� | | | | <q> n Xt | | � | k r> | | | | <q> q> Wx� d d d d f D]� \ } } | | k rd | | <q� n | | } d | k o+d | d k n s@t | t � r� t | � | | <d | | <q� q� W| r| j | t | � } n d } | | j | t d d � S( s� Return the object as a ustar header block. If it cannot be represented this way, prepend a pax extended header sequence with supplement information. R� R~ R R� R R i R R+ R, R i R R i R i i R] R� ( R R i ( R R i ( R i ( R i ( R i ( R i ( R� R� t copyR� R� R t UnicodeEncodeErrorR t isinstancet floatt strt _create_pax_generic_headert XHDTYPER� R� ( R} R� R$ R� R~ t hnameR# R= t valRE ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� s4 4c C s | j | t d � S( sA Return the object as a pax global header block sequence. t utf8( R t XGLTYPE( t clsR� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/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 and a name part. i i����R� s name is too long( t LENGTH_PREFIXR R� R/ ( R} R~ R� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR� J s c C s� t | j d d � d | | � t | j d d � d @d | � t | j d d � d | � t | j d d � d | � t | j d d � d | � t | j d d � d | � d | j d t � t | j d d � d | | � | j d t � 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 | j d � | d } | S( s� Return a header block. info is a dictionary with file information, format must be one of the *_FORMAT constants. R~ R] id Ra i i� i R R R i R s R� R� R� R i R R� R� R� i� s %dsi����s %06o R+ i����( R& t getR? R� R� R8 R: R� R` RH R ( R� R> 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 <t | � | d <t | d <| j | t | | � | j | � S( sT Return a GNUTYPE_LONGNAME or GNUTYPE_LONGLINK sequence for name. s ././@LongLinkR~ R� R R� ( R R! R R� 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 s� t } xI | j � D]; \ } } y | j d d � Wq t k rM t } Pq Xq Wd } | rk | d 7} n x� | j � D]� \ } } | j d � } | r� | j | d � } n | j d � } t | � t | � d } d } } x6 t r| t t | � � } | | k rPn | } q� W| t t | � d � d | d | d 7} qx Wi } d | d <| | d <t | � | d <t | d <| j | t d d � | j | � S( s� Return a POSIX.1-2008 extended or global header sequence that contains a list of keyword, value pairs. The values must be strings. R R, R] s 21 hdrcharset=BINARY R� i i R+ t t =s s ././@PaxHeaderR~ R� R R� R� ( R� t itemsR R� RJ R R t bytesR� R� R� R ( R R� R� R$ t binaryt keywordt valuet recordsR6 R3 R) R� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR � s< 1 c C s2 t | � d k r! t d � � n t | � t k rB t d � � n | j t � t k rf t d � � n t | d d !� } | t | � k r� t d � � n | � } t | d d !| | � | _ t | d d !� | _ t | d d !� | _ t | d d !� | _ t | d d !� | _ t | d d !� | _ | | _ | d d !| _ t | d d !| | � | _ t | d d !| | � | _ t | d d !| | � | _ t | d d !� | _ t | d d !� | _ t | d d !| | � } | j t k r | j j d � r t | _ n | j t k r�d } g } x| t d � D]n } y6 t | | | d !� } t | | d | d !� } Wn t k r�Pn X| j | | f � | d 7} q4Wt | d � } t | d d !� } | | | f | _ n | j! � r| j j" d � | _ n | r.| j t# k r.| d | j | _ n | S( sA Construct a TarInfo object from a 512 byte bytes object. i s empty headers truncated headers end of file headeri� i� s bad checksumid il it i| i� i� i i i) iI iQ iY i� R� i� i i i i� i� i� ($ R Ro R� Rp t countR! Rq R5 RH R0 R* R~ Ra R R R R R� R� R� R R R� R� t AREGTYPER� R� t GNUTYPE_SPARSER1 R/ R_ t boolR� t isdirt rstript GNU_TYPES( R RE R$ R% R� t objR� R� t structsR4 R� t numbytest isextendedt origsize( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt frombuf� sZ ! c C sP | j j t � } | j | | j | j � } | j j � t | _ | j | � S( sO Return the next TarInfo object from TarFile object tarfile. ( R� RK R� R$ R$ R% R� R� t _proc_member( R R� RE R ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt fromtarfile s c C st | j t t f k r" | j | � S| j t k r> | 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 c C s | j \ } } } | ` x� | r� | j j t � } d } x� t d � D]} } y6 t | | | d !� } t | | d | d !� } Wn t k r� Pn X| r� | r� | j | | f � n | d 7} qF Wt | d � } q W| | _ | j j � | _ | j | j | j � | _ | | _ | S( s8 Process a GNU sparse header plus extra headers. i i i i i� ( R� R� RK R� R1 R5 R/ R_ R R� R� R� R. R R� ( R} R� R R" R# RE R� R4 R� R! ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR( K s( 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 <n | j d � } | d k r� | j } n d } t j d � } d } x� t r�| j | | � } | s� Pn | j � \ } } t | � } | | j d � d | j d � | d !} | j | d d | j � } | t k r}| j | | | j | j � } n | j | d d | j � } | | | <| | 7} q� Wy | j | � } Wn t k r�t d � � n Xd | k r| j | | � nb d | k r$| j | | | � n@ | j d � d k rd| j d � d k rd| j | | | � n | j t t f k r�| j! | | j | j � | j" | _" d | k r�| j# } | j$ � s�| j t% k r�| | j | j � 7} n | | _" q�n | S( sV Process an extended or global header as described in POSIX.1-2008. s \d+ hdrcharset=([^\n]+)\ni R t hdrcharsett BINARYs (\d+) ([^=]+)=i i s missing or bad subsequent headers GNU.sparse.maps GNU.sparse.sizes GNU.sparse.majorR s GNU.sparse.minorR R N(& R� RK R. R R� R R� R� t ret searchRI t groupR( R R$ t compileRJ t matcht groupsR. t endR� t _decode_pax_fieldR% t PAX_NAME_FIELDSR& Rn Rr t _proc_gnusparse_01t _proc_gnusparse_00t _proc_gnusparse_10R R) R/ R� R� R, R- ( R} R� RE R� R7 R1 R$ t regexR� R# R R R0 R� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR* g s` + * c C s� g } x6 t j d | � D]" } | j t | j d � � � q Wg } x6 t j d | � D]" } | j t | j d � � � qX Wt t | | � � | _ d S( s? Process a GNU tar extended sparse header, version 0.0. s \d+ GNU.sparse.offset=(\d+)\ni s \d+ GNU.sparse.numbytes=(\d+)\nN( R3 t finditerR_ R. R5 t listt zipR� ( R} R0 R� RE t offsetsR7 R! ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR= � s c C sb g | d j d � D] } t | � ^ q } t t | d d d � | d d d � � � | _ d S( s? Process a GNU tar extended sparse header, version 0.1. s GNU.sparse.mapt ,Ni i ( t splitR. RA RB R� ( R} R0 R� R R� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR< � s ,c C s� d } g } | j j t � } | j d d � \ } } t | � } xj t | � | d k r� d | k r� | | j j t � 7} n | j d d � \ } } | j t | � � qE W| j j � | _ t t | d d d � | d d d � � � | _ d S( s? Process a GNU tar extended sparse header, version 1.0. s i i N( RI R� RK R� RE R. R R_ R� R� RA RB R� ( R} R0 R� R� t fieldsR� RE t number( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR> � s c C s x� | j � D]� \ } } | d k r8 t | d | � q | d k r] t | d t | � � q | d k r� t | d t | � � q | t k r | t k r� y t | | � } Wq� t k 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. i ( RM R� ( R} R RR RS ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR. s c C s | j t k S( N( R� t REGULAR_TYPES( 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 isfile s c C s | j t k S( N( R� R� ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR s c C s | j t k S( N( R� t SYMTYPE( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt issym s c C s | j t k S( N( R� t LNKTYPE( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt islnk s c C s | j t k S( N( R� t CHRTYPE( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt ischr s c C s | 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 | j t k S( N( R� t FIFOTYPE( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt isfifo$ s c C s | j d k S( N( R� RI ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt issparse& s c C s | j t t t f k S( N( R� RT RV RX ( R} ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt isdev( s ( R~ Ra R R R R R� R� R� R R R� R� R� R� R� R� R� R� R� (3 Rg Rh Ri t __slots__R R� R� t propertyR R� R� R R� R� t DEFAULT_FORMATt ENCODINGR� R� R� R� t classmethodR R� t staticmethodR� R R� R R$ R& R% R+ R' R( R* R= R< R> R/ R: R. R, RO R RQ RS RU RW RY RZ R[ ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR � s` 1 3? f c B s- e Z d Z d Z e Z e Z d Z e Z e Z d1 Z 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 k r� t | d � r� | j } n t | d � r� | j | _ n t | _ | rt j j | � n d | _ | | _ | d k rC| | _ n | d k r[| | _ n | d k rs| | _ n | d k r�| | _ n | d k r�| | _ n | | _ | d k r�| j t k r�| | _ n i | _ | d k r�| | _ n | d k r | | _ n t | _ g | _ t | _ | j j � | _ i | _ y9| j d k rod | _ | j! � | _ n | j d k rx� t r| j j" | j � y& | j j# | � } | j j$ | � Wq�t% k r�| j j" | j � Pq�t& k r } t' t( | � � � q�Xq�Wn | j d k rzt | _ | j rz| j j) | j j* � � } | j j+ | � | j t | � 7_ qzn Wn, | j s�| j j, � n t | _ � n Xd 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 errorlevelR� t memberst _loadedR� R� t inodest firstmemberR0 R� R& R_ Rq Rn Rk R R R� RL R� ( R} R~ Ra R� R> R� Rj Rk R$ R% R� Rl Rm t eRE ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyR F s� "" ! c K s4 | r | r t d � � n | d k r� x� | j D]� } t | | j | � } | d k rj | j � } n y | | d | | � SWq3 t t f k r� } | d k r3 | j | � q3 q3 q3 Xq3 Wt d � � nUd | k rV| j d d � \ } } | p� d } | pd } | | j k r3t | | j | � } n t d | � � | | | | | � Sd | k r| j d d � \ } } | p�d } | p�d } | d k r�t d � � n t | | | | | � } y | | | | | � } Wn | j � � n Xt | _ | 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 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'i����Ns 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 compresslevelRx R| t extfileobjR[ ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt gzopen s. 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'.i����Ns 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 | <qn� t j | � r�t } ns t j | � r�t } n[ t j | � r�t } t j | � } n4 t j | � r�t! } n t j" | � rt# } n d S| | _ | | _$ | j% | _& | j' | _( | t k r]| j) | _* n d | _* | j+ | _, | | _- | | _. t/ r�y t/ j0 | j& � d | _1 Wq�t2 k r�q�Xn t3 r�y t3 j4 | j( � d | _5 Wq�t2 k r�q�Xn | t! t# f k rXt t d � rXt t d � rXt j6 | j7 � | _8 t j9 | j7 � | _: qXn | S( sO Create a TarInfo object for either the file `name' or the file object `fileobj' (using os.fstat on its file descriptor). You can modify some of the TarInfo's attributes before you add it using addfile(). If given, `arcname' specifies an alternative name for the file in the archive. Re R� t lstatR] i i t majort minorN(; R� RI R~ Ru R t splitdriveR� t sept lstripR� R� Rz Rj R� t statt fstatt filenot st_modet S_ISREGt st_inot st_devt st_nlinkRp RR R� t S_ISDIRR� t S_ISFIFORX t S_ISLNKRP t readlinkt S_ISCHRRT t S_ISBLKRV Ra t st_uidR t st_gidR t st_sizeR t st_mtimeR R� R� t pwdt getpwuidR R� t grpt getgrgidR R� t st_rdevR� R� R� ( R} R~ t arcnameR� t drvR� t statresR� t stmdt inodeR� ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/distlib/_backport/tarfile.pyt gettarinfow s~ " c C sp | j � x_| D]W} | r� t t | j � d d �t d | j pK | j | j pZ | j f d d �| j � s� | j � r� t d d | j | j f d d �n t d | j d d �t d t j | j � d d d �n t | j | j � r d n d d d �| ra| j � r9t d | j d d �n | j � rat d | j d d �qan t � q Wd S( s� 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. R9 R s %s/%ss %10ss %d,%ds %10ds %d-%02d-%02d %02d:%02d:%02di R� R] s ->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 | � | r�xT t j | � D]@ } | j t j j | | � t j j | | � | | d | �q�Wq�n | 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 i����Ns 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 * *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 <lambda>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* ! R] c C s= | j d � t | t � r. | j | � } n | } | j � r^ t j j | | j � | _ n y, | j | t j j | | j � d | �Wn� t k r� } | j 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 | | � q�n 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 c C s+ | j | | � | j d d | j � d S( sY Make a file from a TarInfo object with an unknown type 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 | t j O} t j | | t j | j | j � � d S( s< Make a character or block device called targetpath. 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 r� | j � r� t j j t j j | j � | 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 r�y | j j | � } WnGt k r� } | j r�| j d d | j | f � | j t 7_ qN q�n� t k r+} | j r| j d d | j | f � | j t 7_ qN q�| j d k r�t t | � � � q�n� t k rY| j d k r�t d � � q�n[ t k r�} | j d k r�t t | � � � q�n% 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__ s ( 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 # s (x t __future__R t __version__t versiont __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 <module> s. �?K�� � �� � � �*
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