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Editing: tarfile.cpython-35.pyc
��Re�i � @ sR 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� d Z Z Yn Xe e f Z y e e f 7Z Wn e k r Yn Xd d d d g Z e j d d k r5d 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 Z/ d Z0 d Z1 d Z2 d! Z3 d" Z4 d Z5 d# Z6 d$ Z7 e6 Z8 e& e' e( e) e, e- e. e* e+ e/ e0 e1 f Z9 e& e' e. e1 f Z: e/ e0 e1 f Z; d% d& d' d( d) d* d+ d, f Z< e= d% d& d+ d, f � Z> d- e? d. e? d( e? d) e@ d* e@ d' e@ i ZA d/ ZB d0 ZC d1 ZD d2 ZE d3 ZF d4 ZG d5 ZH d6 ZI d ZJ d7 ZK d8 ZL d9 ZM d: ZN d; ZO d< ZP d= ZQ d$ ZR d# ZS e jT d> d? f k r%d@ ZU n e jV � ZU dA dB � ZW dC dD � ZX dE dF � ZY d< e8 dG dH � ZZ dI dJ � Z[ d dK dL � Z\ eB dM f eC dN f eD dO f eE dP f eF dQ f eG dR f f eK dS f f eL dT f f eM eH BdU f eH dV f eM dW f f eN dS f f eO dT f f eP eI BdU f eI dV f eP dW f f eQ dS f f eR dT f f eS eJ BdX f eJ dY f eS dW f f f Z] dZ d[ � Z^ Gd\ d � d e_ � Z` Gd] d^ � d^ e` � Za Gd_ d` � d` e` � Zb Gda db � db e` � Zc Gdc dd � dd e` � Zd Gde df � df e` � Ze Gdg dh � dh ee � Zf Gdi dj � dj ee � Zg Gdk dl � dl ee � Zh Gdm dn � dn ee � Zi Gdo dp � dp ee � Zj Gdq dr � dr ek � Zl Gds dt � dt ek � Zm Gdu dv � dv ek � Zn Gdw dx � dx ek � Zo Gdy dz � dz ek � Zp Gd{ d| � d| ek � Zq Gd} d � d ek � Zr Gd~ d � d ek � Zs Gd d� � d� ek � Zt d� d � Zu e Zv es j Z d S)�� )�print_functionz $Revision$z0.9.0u" Lars Gustäbel (lars@gustaebel.de)z5$Date: 2011-02-25 17:42:01 +0200 (Fri, 25 Feb 2011) $z?$Id: tarfile.py 88586 2011-02-25 15:42:01Z marc-andre.lemburg $u4 Gustavo Niemeyer, Niels Gustäbel, Richard Townsend.N�TarFile�TarInfo� is_tarfile�TarError� s i � s ustar s ustar 00�d � � 0� 1� 2� 3� 4� 5� 6� 7� L� K� S� x� g� X� � �path�linkpath�size�mtime�uid�gid�uname�gname�atime�ctimei � i � i ` i @ i i i i � � �@ � � � � �nt�cezutf-8c C s2 | j | | � } | d | � | t | � t S)z8Convert a string to a null-terminated bytes object. N)�encode�len�NUL)�s�length�encoding�errors� r5 ��/builddir/build/BUILDROOT/alt-python35-pip-20.2.4-5.el8.x86_64/opt/alt/python35/lib/python3.5/site-packages/pip/_vendor/distlib/_backport/tarfile.py�stn� s r7 c C s; | j d � } | d k r+ | d | � } | j | | � S)z8Convert a null-terminated bytes object to a string. s r N���)�find�decode)r1 r3 r4 �pr5 r5 r6 �nts� s r< c C s� | d t d � k r_ y% t t | d d � p1 d d � } Wq� t k r[ t d � � Yq� XnI d } x@ t t | � d � D]( } | d K} | t | | d � 7} q| W| S) z/Convert a number field to a python number. r r& �ascii�strict�0r* zinvalid headerr )�chr�intr< � ValueError�InvalidHeaderError�ranger/ �ord)r1 �n�ir5 r5 r6 �nti� s % rH c C s� d | k o d | d k n rH d | d | f j d � t } n� | t k sh | d | d k rt t d � � | d k r� t j d t j d | � � d } t � } x6 t | d � D]$ } | j d | d @� | d L} q� W| j d d � | S) z/Convert a python number to a number field. r r* r z%0*or= r% zoverflow in number field�L�l� r& ) r. r0 � GNU_FORMATrB �struct�unpack�pack� bytearrayrD �insert)rF �digits�formatr1 rG r5 r5 r6 �itn� s $$ " rT c C s� d t t j d | d d � � t j d | d d � � � } d t t j d | d d � � t j d | d d � � � } | | f S) a� Calculate the checksum for a member's header by summing up all characters except for the chksum field which is treated as if it was filled with spaces. According to the GNU tar sources, some tars (Sun and NeXT) calculate chksum with signed char, which will be different if there are chars in the buffer with the high bit set. So we calculate two checksums, unsigned and signed. r% Z148BN� Z356B� i Z148bZ356b)�sumrM rN )�buf�unsigned_chksum� signed_chksumr5 r5 r6 � calc_chksums� s @@r[ c C s | d k r d S| d k rJ x' | j d � } | s5 P| j | � q Wd Sd } t | | � \ } } xN t | � D]@ } | j | � } t | � | k r� t d � � | j | � qr W| d k r� | j | � } t | � | k r� t d � � | j | � d S)zjCopy length bytes from fileobj src to fileobj dst. If length is None, copy the entire content. r Nr) i zend of file reachedi @ i @ )�read�write�divmodrD r/ �IOError)�src�dstr2 rX �BUFSIZE�blocks� remainder�br5 r5 r6 � copyfileobj s, rf rJ �-re �d�cr; �r�wr1 �S�x�t�Tc C sf g } xP t D]H } x? | D]* \ } } | | @| k r | j | � Pq W| j d � q Wd j | � S)zcConvert a file's mode to a string of the form -rwxrwxrwx. Used by TarFile.list() rg � )�filemode_table�append�join)�modeZperm�table�bit�charr5 r5 r6 �filemode8 s rx c @ s e Z d Z d Z d S)r zBase exception.N)�__name__� __module__� __qualname__�__doc__r5 r5 r5 r6 r G s c @ s e Z d Z d Z d S)� ExtractErrorz%General exception for extract errors.N)ry rz r{ r| r5 r5 r5 r6 r} J s r} c @ s e Z d Z d Z d S)� ReadErrorz&Exception for unreadable tar archives.N)ry rz r{ r| r5 r5 r5 r6 r~ M s r~ c @ s e Z d Z d Z d S)�CompressionErrorz.Exception for unavailable compression methods.N)ry rz r{ r| r5 r5 r5 r6 r P s r c @ s e Z d Z d Z d S)� StreamErrorz=Exception for unsupported operations on stream-like TarFiles.N)ry rz r{ r| r5 r5 r5 r6 r� S s r� c @ s e Z d Z d Z d S)� HeaderErrorz!Base exception for header errors.N)ry rz r{ r| r5 r5 r5 r6 r� V s r� c @ s e Z d Z d Z d S)�EmptyHeaderErrorz Exception for empty headers.N)ry rz r{ r| r5 r5 r5 r6 r� Y s r� c @ s e Z d Z d Z d S)�TruncatedHeaderErrorz Exception for truncated headers.N)ry rz r{ r| r5 r5 r5 r6 r� \ s r� c @ s e Z d Z d Z d S)�EOFHeaderErrorz"Exception for end of file headers.N)ry rz r{ r| r5 r5 r5 r6 r� _ s r� c @ s e Z d Z d Z d S)rC z Exception for invalid headers.N)ry rz r{ r| r5 r5 r5 r6 rC b s rC c @ s e Z d Z d Z d S)�SubsequentHeaderErrorz3Exception for missing and invalid extended headers.N)ry rz r{ r| r5 r5 r5 r6 r� e s r� c @ sF e Z d Z d Z d d � Z d d � Z d d � Z d d � Z d S) � _LowLevelFilez�Low-level file object. Supports reading and writing. It is used instead of a regular file object for streaming access. c C sb d t j d t j t j Bt j Bi | } t t d � rF | t j O} t j | | d � | _ d S)Nrj rk �O_BINARYi� ) �os�O_RDONLY�O_WRONLY�O_CREAT�O_TRUNC�hasattrr� �open�fd)�self�namert r5 r5 r6 �__init__r s z_LowLevelFile.__init__c C s t j | j � d S)N)r� �closer� )r� r5 r5 r6 r� { s z_LowLevelFile.closec C s t j | j | � S)N)r� r\ r� )r� r r5 r5 r6 r\ ~ s z_LowLevelFile.readc C s t j | j | � d S)N)r� r] r� )r� r1 r5 r5 r6 r] � s z_LowLevelFile.writeN)ry rz r{ r| r� r� r\ r] r5 r5 r5 r6 r� l s r� c @ s� e Z d Z d Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d d � Z d d d � Z d d � Z d d � Z d S) �_Streama� Class that serves as an adapter between TarFile and a stream-like object. The stream-like object only needs to have a read() or write() method and is accessed blockwise. Use of gzip or bzip2 compression is possible. A stream-like object could be for example: sys.stdin, sys.stdout, a socket, a tape device etc. _Stream is intended to be used only internally. c C s� d | _ | d k r- t | | � } d | _ | d k rQ t | � } | j � } | pZ d | _ | | _ | | _ | | _ | | _ d | _ d | _ d | _ y� | d k r y d d l } Wn t k r� t d � � Yn X| | _ | j d � | _ | d k r| j � n | j � | d k r�y d d l } Wn t k rYt d � � Yn X| d k r�d | _ | j � | _ n | j � | _ Wn* | j s�| j j � d | _ � Yn Xd S) z$Construct a _Stream object. TNF�*rp � r �gzz zlib module is not availablerj �bz2zbz2 module is not available)� _extfileobjr� � _StreamProxy� getcomptyper� rt �comptype�fileobj�bufsizerX �pos�closed�zlib� ImportErrorr �crc32�crc� _init_read_gz�_init_write_gzr� �dbuf�BZ2Decompressor�cmp� BZ2Compressorr� )r� r� rt r� r� r� r� r� r5 r5 r6 r� � sP z_Stream.__init__c C s' t | d � r# | j r# | j � d S)Nr� )r� r� r� )r� r5 r5 r6 �__del__� s z_Stream.__del__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 d � | _ | j | j j d d � t � d S) z6Initialize for writing with gzip compression. � r z<Ls �s �z.gzNr z iso-8859-1�replace���)r� � compressobj�DEFLATED� MAX_WBITS� DEF_MEM_LEVELr� rM rO rA �time�_Stream__writer� �endswithr. r0 )r� � timestampr5 r5 r6 r� � s z_Stream._init_write_gzc C sq | j d k r* | j j | | j � | _ | j t | � 7_ | j d k r` | j j | � } | j | � d S)z&Write string s to the stream. r� �tarN) r� r� r� r� r� r/ r� �compressr� )r� r1 r5 r5 r6 r] � s z _Stream.writec C sk | j | 7_ xU t | j � | j k rf | j j | j d | j � � | j | j d � | _ q Wd S)z]Write string s to the stream if a whole new block is ready to be written. N)rX r/ r� r� r] )r� r1 r5 r5 r6 �__write� s z_Stream.__writec C s� | j r d S| j d k rC | j d k rC | j | j j � 7_ | 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 @� � | j s� | j j � d | _ d S) z[Close the _Stream object. No operation should be done on it afterwards. Nrk r� r� r� z<Ll �� T)r� rt r� rX r� �flushr� r] rM rO r� r� r� r� )r� r5 r5 r6 r� � s ## z _Stream.closec C sO | j j | j j � | _ d | _ | j d � d k rF t d � � | j d � d k rg t d � � t | j d � � } | j d � | d @r� t | j d � � d t | j d � � } | j | � | d @r x' | j d � } | s� | t k r� Pq� W| d @r4x' | j d � } | s/| t k r Pq W| d @rK| j d � d S)z:Initialize for reading a gzip compressed fileobj. r� r s �znot a gzip filer s z unsupported compression method� r+ r% r* r) N) r� � decompressobjr� r� r� � _Stream__readr~ r rE r\ r0 )r� �flag�xlenr1 r5 r5 r6 r� s. , z_Stream._init_read_gzc C s | j S)z3Return the stream's file pointer position. )r� )r� r5 r5 r6 �tell# s z _Stream.tellr c C s| | | j d k ri t | | j | j � \ } } x$ t | � D] } | j | j � q? W| j | � n t d � � | j S)zXSet the stream's file pointer to pos. Negative seeking is forbidden. r z seeking backwards is not allowed)r� r^ r� rD r\ r� )r� r� rc rd rG r5 r5 r6 �seek( s z _Stream.seekNc C sy | d k rQ g } x* | j | j � } | s. P| j | � q Wd j | � } n | j | � } | j t | � 7_ | S)z�Return the next size number of bytes from the stream. If size is not defined, return all bytes of the stream up to EOF. Nrp )�_readr� rr rs r� r/ )r� r rn rX r5 r5 r6 r\ 5 s z _Stream.readc C s� | j d k r | j | � St | j � } x | | k r� | j | j � } | sS Py | j j | � } Wn t k r� t d � � Yn X| j | 7_ | t | � 7} q. W| j d | � } | j | d � | _ | S)z+Return size bytes from the stream. r� zinvalid compressed dataN) r� r� r/ r� r� r� � decompressr_ r~ )r� r ri rX r5 r5 r6 r� G s z _Stream._readc C s� t | j � } xK | | k r\ | j j | j � } | s: P| j | 7_ | t | � 7} q W| j d | � } | j | d � | _ | S)zsReturn size bytes from stream. If internal buffer is empty, read another block from the stream. N)r/ rX r� r\ r� )r� r ri rX r5 r5 r6 �__read\ s z_Stream.__read)ry rz r{ r| r� r� r� r] r� r� r� r� r� r\ r� r� r5 r5 r5 r6 r� � s 4 r� c @ sF e Z d Z d Z d d � Z d d � Z d d � Z d d � Z d S) r� zsSmall proxy class that enables transparent compression detection for the Stream interface (mode 'r|*'). c C s" | | _ | j j t � | _ d S)N)r� r\ � BLOCKSIZErX )r� r� r5 r5 r6 r� q s z_StreamProxy.__init__c C s | j j | _ | j S)N)r� r\ rX )r� r r5 r5 r6 r\ u s z_StreamProxy.readc C s0 | j j d � r d S| j j d � r, d Sd S)Ns �r� s BZh91r� r� )rX � startswith)r� r5 r5 r6 r� y s z_StreamProxy.getcomptypec C s | j j � d S)N)r� r� )r� r5 r5 r6 r� � s z_StreamProxy.closeN)ry rz r{ r| r� r\ r� r� r5 r5 r5 r6 r� l s r� c @ sp e Z d Z d Z d Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d S)� _BZ2Proxya 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. r) i c C s8 | | _ | | _ t | j d d � | _ | j � d S)Nr� )r� rt �getattrr� �init)r� r� rt r5 r5 r6 r� � s z_BZ2Proxy.__init__c C sb d d l } d | _ | j d k rO | j � | _ | j j d � d | _ n | j � | _ d S)Nr rj r� ) r� r� rt r� �bz2objr� r� rX r� )r� r� r5 r5 r6 r� � s z_BZ2Proxy.initc C s� t | j � } x] | | k rn | j j | j � } | s: P| j j | � } | j | 7_ | t | � 7} q W| j d | � } | j | d � | _ | j t | � 7_ | S)N)r/ rX r� r\ � blocksizer� r� r� )r� r rm �raw�datarX r5 r5 r6 r\ � s z_BZ2Proxy.readc C s1 | | j k r | j � | j | | j � d S)N)r� r� r\ )r� r� r5 r5 r6 r� � s z_BZ2Proxy.seekc C s | j S)N)r� )r� r5 r5 r6 r� � s z_BZ2Proxy.tellc C s; | j t | � 7_ | j j | � } | j j | � d S)N)r� r/ r� r� r� r] )r� r� r� r5 r5 r6 r] � s z_BZ2Proxy.writec C s2 | j d k r. | j j � } | j j | � d S)Nrk )rt r� r� r� r] )r� r� r5 r5 r6 r� � s z_BZ2Proxy.closeNi @ ) ry rz r{ r| r� r� r� r\ r� r� r] r� r5 r5 r5 r6 r� � s r� c @ sX e Z d Z d Z d d d � Z d d � Z d d � Z d d � Z d d d � Z d S) � _FileInFilezA thin wrapper around an existing file object that provides a part of its data as an individual file object. Nc C s | | _ | | _ | | _ d | _ | d k r? d | f g } d | _ g | _ d } | j } xp | D]h \ } } | | k r� | j j d | | d f � | j j d | | | | f � | | 7} | | } qg W| | j k r| j j d | | j d f � d S)Nr FT)r� �offsetr �position� map_index�maprr )r� r� r� r � blockinfo�lastpos�realposr5 r5 r6 r� � s$ z_FileInFile.__init__c C s# t | j d � s d S| j j � S)N�seekableT)r� r� r� )r� r5 r5 r6 r� � s z_FileInFile.seekablec C s | j S)z*Return the current file position. )r� )r� r5 r5 r6 r� � s z_FileInFile.tellc C s | | _ d S)z(Seek to a position in the file. N)r� )r� r� r5 r5 r6 r� � s z_FileInFile.seekc C sB | d k r | j | j } n t | | j | j � } d } x� | d k r=xs | j | j \ } } } } | | j k o� | k n r� PqP | j d 7_ | j t | j � k rP d | _ qP Wt | | | j � } | r| j j | | j | � | | j j | � 7} n | t | 7} | | 8} | j | 7_ qA W| S)z!Read data from the file. Nr� r r ) r r� �minr� r� r/ r� r� r\ r0 )r� r rX r� �start�stopr� r2 r5 r5 r6 r\ � s( z_FileInFile.read) ry rz r{ r| r� r� r� r� r\ r5 r5 r5 r6 r� � s r� c @ s� e Z d Z d Z d Z d d � Z d d � Z d d � Z d d � Z d d d � Z e Z d d d � Z d d � Z d d � Z e j d d � Z d d � Z d d � Z d S) � ExFileObjectzaFile-like object for reading an archive member. Is returned by TarFile.extractfile(). i c C sd t | j | j | j | j � | _ | j | _ d | _ d | _ | j | _ d | _ d | _ d S)Nrj Fr r� ) r� r� � offset_datar �sparser� rt r� r� �buffer)r� �tarfile�tarinfor5 r5 r6 r� s zExFileObject.__init__c C s d S)NTr5 )r� r5 r5 r6 �readable! s zExFileObject.readablec C s d S)NFr5 )r� r5 r5 r6 �writable$ s zExFileObject.writablec C s | j j � S)N)r� r� )r� r5 r5 r6 r� ' s zExFileObject.seekableNc C s� | j r t d � � d } | j rn | d k rE | j } d | _ n) | j d | � } | j | d � | _ | d k r� | | j j � 7} n | | j j | t | � � 7} | j t | � 7_ | S)z~Read at most size bytes from the file. If size is not present or None, read all data until EOF is reached. z I/O operation on closed filer� N)r� rB r� r� r\ r/ r� )r� r rX r5 r5 r6 r\ * s zExFileObject.readr c C s | j r t d � � | j j d � d } | d k r� xm | j j | j � } | j | 7_ | sq d | k r: | j j d � d } | d k r� t | j � } Pq: W| d k r� t | | � } | j d | � } | j | d � | _ | j t | � 7_ | S)z�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. z I/O operation on closed files r r Nr8 ) r� rB r� r9 r� r\ r� r/ r� r� )r� r r� rX r5 r5 r6 �readlineE s$ zExFileObject.readlinec C s1 g } x$ | j � } | s P| j | � q W| S)z0Return a list with all remaining lines. )r� rr )r� �result�liner5 r5 r6 � readlinesb s zExFileObject.readlinesc C s | j r t d � � | j S)z*Return the current file position. z I/O operation on closed file)r� rB r� )r� r5 r5 r6 r� l s zExFileObject.tellc C s� | j r t d � � | t j k rE 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)z(Seek to a position in the file. z I/O operation on closed filer zInvalid argumentr� N) r� rB r� �SEEK_SETr� �maxr r� �SEEK_CUR�SEEK_ENDr� r� r� )r� r� �whencer5 r5 r6 r� t s ! ( zExFileObject.seekc C s d | _ d S)z Close the file object. TN)r� )r� r5 r5 r6 r� � s zExFileObject.closec c s# x | j � } | s P| Vq Wd S)z/Get an iterator over the file's lines. N)r� )r� r� r5 r5 r6 �__iter__� s zExFileObject.__iter__r8 )ry rz r{ r| r� r� r� r� r� r\ �read1r� r� r� r� r� r� r� r� r5 r5 r5 r6 r� s r� c @ sP e Z d Z d Z di Z d d d � Z d d � Z d d � Z e e e � Z d d � Z d d � Z e e e � Z d! d" � Z d# d$ � Z e e d% d& d' � Z d( d) � Z d* d+ � Z d, d- � Z e d. d/ � � Z d0 d1 � Z e d2 d3 � � Z e d4 d5 � � Z e d6 d7 � � Z e d8 d9 � � Z e d: d; � � Z e d< d= � � Z d> d? � Z d@ dA � Z dB dC � Z! dD dE � Z" dF dG � Z# dH dI � Z$ dJ dK � Z% dL dM � Z& dN dO � Z' dP dQ � Z( dR dS � Z) dT dU � Z* dV dW � Z+ dX dY � Z, dZ d[ � Z- d\ d] � Z. d^ d_ � Z/ d` da � Z0 db dc � Z1 dd de � Z2 df dg � Z3 dh S)jr a Informational class which holds the details about an archive member given by a tar header block. TarInfo objects are returned by TarFile.getmember(), TarFile.getmembers() and TarFile.gettarinfo() and are usually created internally. r� rt r r r r �chksum�type�linknamer! r" �devmajor�devminorr� r� � pax_headersr� r� �_sparse_structs� _link_targetrp c C s� | | _ d | _ d | _ d | _ d | _ d | _ d | _ t | _ d | _ d | _ d | _ d | _ d | _ d | _ d | _ d | _ i | _ d S)zXConstruct a TarInfo object. name is the optional name of the member. i� r rp N)r� rt r r r r r� �REGTYPEr� r� r! r" r� r� r� r� r� r� )r� r� r5 r5 r6 r� � s" zTarInfo.__init__c C s | j S)N)r� )r� r5 r5 r6 �_getpath� s zTarInfo._getpathc C s | | _ d S)N)r� )r� r� r5 r5 r6 �_setpath� s zTarInfo._setpathc C s | j S)N)r� )r� r5 r5 r6 � _getlinkpath� s zTarInfo._getlinkpathc C s | | _ d S)N)r� )r� r� r5 r5 r6 � _setlinkpath� s zTarInfo._setlinkpathc C s d | j j | j t | � f S)Nz<%s %r at %#x>)� __class__ry r� �id)r� r5 r5 r6 �__repr__� s zTarInfo.__repr__c C s� d | j d | j d @d | j d | j d | j d | j d | j d | j d | j d | j d | j d | j d | j i } | d t k r� | d j d � r� | d d 7<| S)z9Return the TarInfo's attributes as a dictionary. r� rt i� r r r r r� r� r� r! r" r� r� �/)r� rt r r r r r� r� r� r! r" r� r� �DIRTYPEr� )r� �infor5 r5 r6 �get_info� s $zTarInfo.get_info�surrogateescapec C sv | j � } | t k r+ | j | | | � S| t k rJ | j | | | � S| t k rf | j | | � St d � � d S)z<Return a tar header as a string of 512 byte blocks. zinvalid formatN)r � USTAR_FORMAT�create_ustar_headerrL �create_gnu_header� PAX_FORMAT�create_pax_headerrB )r� rS r3 r4 r� r5 r5 r6 �tobuf� s z TarInfo.tobufc C sy t | d <t | d � t k r, t d � � t | d � t k rc | j | d � \ | d <| d <| j | t | | � S)z3Return the object as a ustar header block. �magicr� zlinkname is too longr� �prefix)� POSIX_MAGICr/ � LENGTH_LINKrB � LENGTH_NAME�_posix_split_name�_create_headerr )r� r� r3 r4 r5 r5 r6 r � s !zTarInfo.create_ustar_headerc C s� t | d <d } t | d � t k rF | | j | d t | | � 7} t | d � t k r| | | j | d t | | � 7} | | j | t | | � S)z:Return the object as a GNU header block sequence. r r� r� r� ) � GNU_MAGICr/ r �_create_gnu_long_header�GNUTYPE_LONGLINKr �GNUTYPE_LONGNAMEr rL )r� r� r3 r4 rX r5 r5 r6 r s zTarInfo.create_gnu_headerc C s� t | d <| j j � } x� d d t f d d t f d d f D]� \ } } } | | k r\ q> y | | j d d � Wn# t k r� | | | | <w> Yn Xt | | � | k r> | | | | <q> Wx� d D]} \ } } | | k r� d | | <q� | | } d | k od | d k n s,t | t � r� t | � | | <d | | <q� W| rh| j | t | � } n d } | | j | t d d � S) z�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! r( r" r= r> r r* r r � r r r r� r� )r! r! r( )r" r" r( �r r* �r r* �r r �r r )r r r r )r r� �copyr r r. �UnicodeEncodeErrorr/ � isinstance�float�str�_create_pax_generic_header�XHDTYPEr r ) r� r� r3 r� r� �hnamer2 rR �valrX r5 r5 r6 r s4 4zTarInfo.create_pax_headerc C s | j | t d � S)zAReturn the object as a pax global header block sequence. �utf8)r �XGLTYPE)�clsr� r5 r5 r6 �create_pax_global_headerD s z TarInfo.create_pax_global_headerc C s� | d t d � } x* | r@ | d d k r@ | d d � } q W| t | � d � } | d d � } | s� t | � t k r� t d � � | | f S)zUSplit a name longer than 100 chars into a prefix and a name part. Nr r� zname is too longr8 r8 r8 )� LENGTH_PREFIXr/ r rB )r� r� r r5 r5 r6 r J s zTarInfo._posix_split_namec 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 d � d | j d � | d d � } | S)!z�Return a header block. info is a dictionary with file information, format must be one of the *_FORMAT constants. r� rp r rt r i� r* r r r r r s r� r� r r! r( r" r� r� r r z%dsr� Nil z%06o r= ie i����i����) r7 �getrT r� r rM rO r� rs r[ r. )r� rS r3 r4 �partsrX r� r5 r5 r6 r Y s& $ /zTarInfo._create_headerc C s= t t | � t � \ } } | d k r9 | t | t 7} | S)zdReturn the string payload filled with zero bytes up to the next 512 byte border. r )r^ r/ r� r0 )�payloadrc rd r5 r5 r6 �_create_payloadu s zTarInfo._create_payloadc C sm | j | | � t } i } d | d <| | d <t | � | d <t | d <| j | t | | � | j | � S)zTReturn a GNUTYPE_LONGNAME or GNUTYPE_LONGLINK sequence for name. z ././@LongLinkr� r� r r )r. r0 r/ r r r r) )r# r� r� r3 r4 r� r5 r5 r6 r s z TarInfo._create_gnu_long_headerc C s� d } xJ | j � D]< \ } } y | j d d � Wq t k rN d } PYq Xq Wd } | ri | d 7} x� | j � D]� \ } } | j d � } | r� | j | d � } n | j d � } t | � t | � d } d } } x- | t t | � � } | | k rP| } q� W| t t | � d � d | d | d 7} qv Wi } d | d <| | d <t | � | d <t | d <| j | t d d � | j | � S)z�Return a POSIX.1-2008 extended or global header sequence that contains a list of keyword, value pairs. The values must be strings. Fr! r> Tr� s 21 hdrcharset=BINARY r r r r= � � =s z././@PaxHeaderr� r� r r r� ) �itemsr. r r/ r �bytesr r r r) ) r# r� r� r3 �binary�keyword�value�recordsrJ rF r; r� r5 r5 r6 r � s< 1 z"TarInfo._create_pax_generic_headerc C sN t | � d k r t d � � t | � t k r< t d � � | j t � t k r] t d � � t | d d � � } | t | � k r� t d � � | � } 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 | _ | j t k r d } g } x� t d � D]u } y< t | | | d � � } t | | d | d � � } Wn t k r�PYn X| j | | f � | d 7} qOWt | d � } t | d d � � } | | | f | _ | j! � r!| j j" d � | _ | rJ| j t# k rJ| d | j | _ | S) zAConstruct a TarInfo object from a 512 byte bytes object. r z empty headerztruncated headerzend of file headerrU rV z bad checksumr �l �t �| � � i i i) iI iQ iY i� r� i� r+ r � i� i� i� )$r/ r� r� r� �countr0 r� rH r[ rC r< r� rt r r r r r� r� r� r! r" r� r� �AREGTYPEr� r� �GNUTYPE_SPARSErD rB rr �boolr� �isdir�rstrip� GNU_TYPES)r# rX r3 r4 r� �objr r� �structsrG r� �numbytes� isextended�origsizer5 r5 r6 �frombuf� sZ ! " zTarInfo.frombufc C sP | j j t � } | j | | j | j � } | j j � t | _ | j | � S)zOReturn the next TarInfo object from TarFile object tarfile. ) r� r\ r� rD r3 r4 r� r� � _proc_member)r# r� rX r? r5 r5 r6 � fromtarfile s zTarInfo.fromtarfilec 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)zYChoose the right processing method depending on the type and call it. N) r� r r � _proc_gnulongr: � _proc_sparser r" �SOLARIS_XHDTYPE� _proc_pax� _proc_builtin)r� r� r5 r5 r6 rE s zTarInfo._proc_memberc C su | j j � | _ | j } | j � s6 | j t k rL | | j | j � 7} | | _ | j | j | j | j � | S)zfProcess a builtin type or an unknown type which will be treated as a regular file. ) r� r� r� �isregr� �SUPPORTED_TYPES�_blockr r� �_apply_pax_infor� r3 r4 )r� r� r� r5 r5 r6 rK $ s zTarInfo._proc_builtinc C s� | j j | j | j � � } y | j | � } Wn t k rQ t d � � Yn X| j | _ | j t k r� t | | j | j � | _ n* | j t k r� t | | j | j � | _ | S)zSProcess the blocks that hold a GNU longname or longlink member. z missing or bad subsequent header)r� r\ rN r rF r� r� r� r� r r< r3 r4 r� r r� )r� r� rX �nextr5 r5 r6 rG 5 s zTarInfo._proc_gnulongc C s# | j \ } } } | ` x� | r� | j j t � } d } x� t d � D]� } y< t | | | d � � } t | | d | d � � } Wn t k r� PYn X| r� | r� | j | | f � | d 7} qF Wt | d � } q W| | _ | j j � | _ | j | j | j � | _ | | _ | S)z8Process a GNU sparse header plus extra headers. r � r r7 i� )r� r� r\ r� rD rH rB rr r; r� r� r� rN r r� ) r� r� r@ rB rC rX r� rG r� rA r5 r5 r6 rH K s( " zTarInfo._proc_sparsec 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 <| j d � } | d k r� | j } n d } t j d � } d } x� | j | | � } | s� P| j � \ } } t | � } | | j d � d | j d � | d � } | j | d d | j � } | t k rt| j | | | j | j � } n | j | d d | j � } | | | <| | 7} q� Wy | j | � } Wn t k r�t d � � Yn Xd | k r�| j | | � n_ d | k r | j | | | � n= | j d � d k rY| j d � d k rY| j | | | � | j t t f k r�| j | | j | j � | j | _ d | k r�| j! } | j" � s�| j t# k r�| | j | j � 7} | | _ | S)zVProcess an extended or global header as described in POSIX.1-2008. s \d+ hdrcharset=([^\n]+)\nNr r! � hdrcharset�BINARYs (\d+) ([^=]+)=r r z missing or bad subsequent headerzGNU.sparse.mapzGNU.sparse.sizezGNU.sparse.major�1zGNU.sparse.minorr? r )$r� r\ rN r r� r" r� r �re�search�groupr: r& r3 �compile�match�groupsrA �endr� �_decode_pax_fieldr4 �PAX_NAME_FIELDSrF r� r� �_proc_gnusparse_01�_proc_gnusparse_00�_proc_gnusparse_10r rI rO r� r� rL rM )r� r� rX r� rY rR r3 �regexr� r2 r/ r0 rP r� r5 r5 r6 rJ g s` . * zTarInfo._proc_paxc 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)z?Process a GNU tar extended sparse header, version 0.0. s \d+ GNU.sparse.offset=(\d+)\nr s \d+ GNU.sparse.numbytes=(\d+)\nN)rU �finditerrr rA rW �list�zipr� )r� rP r� rX �offsetsrY rA r5 r5 r6 r_ � s zTarInfo._proc_gnusparse_00c C sV d d � | d j d � D� } t t | d d d � | d d d � � � | _ d S)z?Process a GNU tar extended sparse header, version 0.1. c S s g | ] } t | � � q Sr5 )rA )�.0rm r5 r5 r6 � <listcomp>� s z.TarInfo._proc_gnusparse_01.<locals>.<listcomp>zGNU.sparse.map�,Nr r )�splitrc rd r� )r� rP r� r� r5 r5 r6 r^ � s zTarInfo._proc_gnusparse_01c C s� d } g } | j j t � } | j d d � \ } } t | � } xg t | � | d k r� d | k r} | | j j t � 7} | j d d � \ } } | j t | � � qE W| j j � | _ t t | d d d � | d d d � � � | _ d S)z?Process a GNU tar extended sparse header, version 1.0. Ns r r ) r� r\ r� ri rA r/ rr r� r� rc rd r� )r� rP r� r� �fieldsr� rX �numberr5 r5 r6 r` � s zTarInfo._proc_gnusparse_10c 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 | | � } Wn t k r� d } Yn X| d k r� | j d � } t | | | � q W| j � | _ d S) zoReplace fields with supplemental information from a previous pax extended or global header. zGNU.sparse.namer zGNU.sparse.sizer zGNU.sparse.realsizer r� N) r, �setattrrA � PAX_FIELDS�PAX_NUMBER_FIELDSrB r= r r� )r� r� r3 r4 r/ r0 r5 r5 r6 rO � s" zTarInfo._apply_pax_infoc C s= y | j | d � SWn" t k r8 | j | | � SYn Xd S)z1Decode a single field from a pax record. r> N)r: �UnicodeDecodeError)r� r0 r3 �fallback_encoding�fallback_errorsr5 r5 r6 r\ s zTarInfo._decode_pax_fieldc C s- t | t � \ } } | r% | d 7} | t S)z_Round up a byte count by BLOCKSIZE and return it, e.g. _block(834) => 1024. r )r^ r� )r� r8 rc rd r5 r5 r6 rN s zTarInfo._blockc C s | j t k S)N)r� � REGULAR_TYPES)r� r5 r5 r6 rL s z TarInfo.isregc C s | j � S)N)rL )r� r5 r5 r6 �isfile s zTarInfo.isfilec C s | j t k S)N)r� r� )r� r5 r5 r6 r< s z TarInfo.isdirc C s | j t k S)N)r� �SYMTYPE)r� r5 r5 r6 �issym s z TarInfo.issymc C s | j t k S)N)r� �LNKTYPE)r� r5 r5 r6 �islnk s z TarInfo.islnkc C s | j t k S)N)r� �CHRTYPE)r� r5 r5 r6 �ischr s z TarInfo.ischrc C s | j t k S)N)r� �BLKTYPE)r� r5 r5 r6 �isblk" s z TarInfo.isblkc C s | j t k S)N)r� �FIFOTYPE)r� r5 r5 r6 �isfifo$ s zTarInfo.isfifoc C s | j d k S)N)r� )r� r5 r5 r6 �issparse& s zTarInfo.issparsec C s | j t t t f k S)N)r� rx rz r| )r� r5 r5 r6 �isdev( s z TarInfo.isdevN)r� rt r r r r r� r� r� r! r" r� r� r� r� r� r� r� r� r� )4ry rz r{ r| � __slots__r� r� r� �propertyr r� r� r r� r �DEFAULT_FORMAT�ENCODINGr r r r � classmethodr$ r � staticmethodr r) r r rD rF rE rK rG rH rJ r_ r^ r` rO r\ rN rL rs r< ru rw ry r{ r} r~ r r5 r5 r5 r6 r � s` 1 3? f c @ s� e Z d Z d Z d Z d Z d Z d Z e Z e Z d Z e Z e Z d d d d d d d d d d d d d d � Z e d d d e d d � � Z e d d d d � � Z e d d d d d � � Z e d d d d d � � Z d d d d d d i Z d d � Z d d � Z d d � Z d d � Z d d d d! d" � Z d# d$ d% � Z d d# d d d& d' � Z d d( d) � Z d* d d+ d, � Z! d- d# d. d/ � Z" d0 d1 � Z# d# d2 d3 � Z$ d4 d5 � Z% d6 d7 � Z& d8 d9 � Z' d: d; � Z( d< d= � Z) d> d? � Z* d@ dA � Z+ dB dC � Z, dD dE � Z- dF dG � Z. d d dH dI � Z/ dJ dK � Z0 d dL dM � Z1 dN dO � Z2 dP dQ � Z3 dR dS � Z4 dT dU � Z5 dV dW � Z6 d S)Xr z=The TarFile Class provides an interface to tar archives. r Fr Nrj r c C s� t | � d k s | d k r* t d � � | | _ d d d d d d i | | _ | s� | j d k r� t j j | � r� d | _ d | _ t | | j � } d | _ nH | d k r� t | d � r� | j } t | d � r� | j | _ d | _ | r t j j | � n d | _ | | _ | d k r1| | _ | d k rF| | _ | d k r[| | _ | d k rp| | _ | d k r�| | _ | | _ | d k r�| j t k r�| | _ n i | _ | d k r�| | _ | d k r�| | _ d | _ g | _ d | _ | j j � | _ i | _ y:| j d k rHd | _ | j � | _ | j d k r�x� | j j | j � y& | j j | � } | j j! | � WqZt" k r�| j j | j � PYqZt# k r�} z t$ t% | � � � WYd d } ~ XqZXqZW| j d k rWd | _ | j rW| j j& | j j' � � } | j j( | � | j t | � 7_ Wn* | j st| j j) � d | _ � Yn Xd S)a� Open an (uncompressed) tar archive `name'. `mode' is either 'r' to read from an existing archive, 'a' to append data to an existing file or 'w' to create a new file overwriting an existing one. `mode' defaults to 'r'. If `fileobj' is given, it is used for reading or writing data. If it can be determined, `mode' is overridden by `fileobj's mode. `fileobj' is not closed, when TarFile is closed. r r� z mode must be 'r', 'a' or 'w'rj �rb�azr+brk �wbFNr� rt T�aw)*r/ rB rt �_moder� r �exists� bltn_openr� r� r� �abspathr� rS r� � dereference� ignore_zerosr3 r4 r r� �debug� errorlevelr� �members�_loadedr� r� �inodes� firstmemberrP r� rF rr r� r� r~ r r$ r r] r� )r� r� rt r� rS r� r� r� r3 r4 r� r� r� �erX r5 r5 r6 r� F s� " ! ) zTarFile.__init__c K s; | r | r t d � � | d k r� x� | j D]� } t | | j | � } | d k rd | j � } y | | d | | � SWq0 t t f k r� } z! | d k r� | j | � w0 WYd d } ~ Xq0 Xq0 Wt d � � nSd | k r_| j d d � \ } } | pd } | pd } | | j k r<t | | j | � } n t d | � � | | | | | � Sd | k r | j d d � \ } } | p�d } | p�d } | d k r�t d � � t | | | | | � } y | | | | | � } Wn | j � � Yn Xd | _ | S| d k r+| j | | | | � St d � � d S)a| Open a tar archive for reading, writing or appending. Return an appropriate TarFile class. mode: 'r' or 'r:*' open for reading with transparent compression 'r:' open for reading exclusively uncompressed 'r:gz' open for reading with gzip compression 'r:bz2' open for reading with bzip2 compression '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 znothing to openrj �r:*Nz%file could not be opened successfully�:r r� zunknown compression type %r�|�rwzmode must be 'r' or 'w'Fr� zundiscernible mode)rj r� ) rB � OPEN_METHr� r� r~ r r� ri r� r� r� �taropen) r# r� rt r� r� �kwargsr� �func� saved_posr� rx �streamrn r5 r5 r6 r� � sN z TarFile.openc K s= t | � d k s | d k r* t d � � | | | | | � S)zCOpen uncompressed tar archive name for reading or writing. r r� z mode must be 'r', 'a' or 'w')r/ rB )r# r� rt r� r� r5 r5 r6 r� � s zTarFile.taropenr� c K s- t | � d k s | d k r* t d � � y d d l } | j Wn$ t t f k rg t d � � Yn X| d k } y8 | j | | d | | � } | j | | | | � } Wnq t k r� | r� | d k r� | j � | d k r� � t d � � Yn( | r| d k r| j � � Yn X| | _ | S) zkOpen gzip compressed tar archive name for reading or writing. Appending is not allowed. r r� zmode must be 'r' or 'w'r Nz gzip module is not availablere znot a gzip file) r/ rB �gzip�GzipFiler� �AttributeErrorr r� r_ r� r~ r� ) r# r� rt r� � compresslevelr� r� Z extfileobjrn r5 r5 r6 �gzopen s. zTarFile.gzopenc K s� t | � d k s | d k r* t d � � y d d l } Wn t k rZ t d � � Yn X| d k ry t | | � } n | j | | d | �} y | j | | | | � } Wn. t t f k r� | j � t d � � Yn Xd | _ | S) zlOpen bzip2 compressed tar archive name for reading or writing. Appending is not allowed. r r� zmode must be 'r' or 'w'.r Nzbz2 module is not availabler� znot a bzip2 fileF) r/ rB r� r� r r� �BZ2Filer� r_ �EOFErrorr� r~ r� )r# r� rt r� r� r� r� rn r5 r5 r6 �bz2open$ s zTarFile.bz2openr� 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 | � | j s� | j j � d | _ d S)zlClose the TarFile. In write-mode, two finishing zero blocks are appended to the archive. Nr� r r T) r� rt r� r] r0 r� r� r^ � RECORDSIZEr� r� )r� rc rd r5 r5 r6 r� H s z TarFile.closec C s/ | j | � } | d k r+ t d | � � | S)a Return a TarInfo object for member `name'. If `name' can not be found in the archive, KeyError is raised. If a member occurs more than once in the archive, its last occurrence is assumed to be the most up-to-date version. Nzfilename %r not found)� _getmember�KeyError)r� r� r� r5 r5 r6 � getmember\ s zTarFile.getmemberc C s$ | j � | j s | j � | j S)z�Return the members of the archive as a list of TarInfo objects. The list has the same order as the members in the archive. )�_checkr� �_loadr� )r� r5 r5 r6 � getmembersg s zTarFile.getmembersc C s d d � | j � D� S)z�Return the members of the archive as a list of their names. It has the same order as the list returned by getmembers(). c S s g | ] } | j � q Sr5 )r� )rf r� r5 r5 r6 rg u s z$TarFile.getnames.<locals>.<listcomp>)r� )r� r5 r5 r6 �getnamesq s zTarFile.getnamesc C sI | j d � | d k r" | j } | d k r4 | } t j j | � \ } } | j t j d � } | j d � } | j � } | | _ | d k r� t t d � r� | j r� t j | � } q� t j | � } n t j | j � � } d } | j } t j | � r�| j | j f } | j rd| j d k rd| | j k rd| | j | k rdt } | j | } qt } | d r| | j | <n� t j | � r�t } ns t j | � r�t } n[ t j | � r�t } t j | � } n4 t j | � r�t } n t j! | � r t" } n d S| | _ | | _# | j$ | _% | j& | _' | t k rT| j( | _) n d | _) | j* | _+ | | _, | | _- t. r�y t. j/ | j% � d | _0 Wn t1 k r�Yn Xt2 r�y t2 j3 | j' � d | _4 Wn t1 k r�Yn X| t t" f k rEt t d � rEt t d � rEt j5 | j6 � | _7 t j8 | j6 � | _9 | S) aO 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. r� Nr� �lstatrp r r �major�minor):r� r� r� r � splitdriver� �sep�lstripr� r� r� r� r� �stat�fstat�fileno�st_mode�S_ISREG�st_ino�st_dev�st_nlinkr� rv r� �S_ISDIRr� �S_ISFIFOr| �S_ISLNKrt �readlink�S_ISCHRrx �S_ISBLKrz rt �st_uidr �st_gidr �st_sizer �st_mtimer r� r� �pwd�getpwuidr! r� �grp�getgrgidr" r� �st_rdevr� r� r� ) r� r� �arcnamer� �drvr� �statresr� �stmd�inoder� r5 r5 r6 � gettarinfow s~ " zTarFile.gettarinfoTc C sj | j � xY| D]Q} | 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 d �t | j | j � rd n d d d �| r[| j � r9t d | j d d �| j � r[t d | j d d �t � q Wd S)z�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. r[ � z%s/%sz%10sz%d,%dz%10dz%d-%02d-%02d %02d:%02d:%02dNr� r� rp z->zlink to)r� �printrx rt r! r r" r ry r{ r� r� r r� � localtimer r� r< ru r� rw )r� �verboser� r5 r5 r6 rc � s& $) z TarFile.listc C s� | j d � | d k r | } | d k rn d d l } | j d t d � | | � rn | j d d | � d S| 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 r2| | � } | d k r2| j d d | � d S| j � rjt | d � } | j | | � | j � n� | j � r�| j | � | r�xa t j | � D]@ } | j t j j | | � t j j | | � | | d | �q�Wn | j | � d S) a~ Add the file `name' to the archive. `name' may be any type of file (directory, fifo, symbolic link, etc.). If given, `arcname' specifies an alternative name for the file in the archive. Directories are added recursively by default. This can be avoided by setting `recursive' to False. `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. r� Nr z use the filter argument insteadr ztarfile: Excluded %rztarfile: Skipped %rr z tarfile: Unsupported type %rr� �filter)r� �warnings�warn�DeprecationWarning�_dbgr� r� r r� r� rL r� �addfiler� r< �listdir�addrs ) r� r� r� � recursive�excluder� r� r� �fr5 r5 r6 r� � sD * *z TarFile.addc 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} | j | t 7_ | j j | � d S)a] 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. r� Nr r )r� r r rS r3 r4 r� r] r� r/ rf r r^ r� r0 r� rr )r� r� r� rX rc rd r5 r5 r6 r� 4 s zTarFile.addfile�.c C sI g } | d k r | } x\ | D]T } | j � rV | j | � t j | � } d | _ | j | | d | j � �q W| j d d d � � | j � x� | D]� } t j j | | j � } y4 | j | | � | j | | � | j | | � Wq� t k r@} z. | j d k r� n | j d d | � WYd d } ~ Xq� Xq� Wd S) aM 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(). Ni� � set_attrs�keyc S s | j S)N)r� )r� r5 r5 r6 �<lambda>d s z$TarFile.extractall.<locals>.<lambda>r z tarfile: %s)r< rr r rt �extract�sort�reverser� r rs r� �chown�utime�chmodr} r� r� )r� r r� � directoriesr� �dirpathr� r5 r5 r6 � extractallN s* ! zTarFile.extractallrp c C s^ | j d � t | t � r. | j | � } n | } | j � r[ t j j | | j � | _ y, | j | t j j | | j � d | �Wn� t k r } zc | j d k r� � nI | j d k r� | j d d | j � n | j d d | j | j f � WYd d } ~ XnN t k rY} z. | j d k r3� n | j d d | � WYd d } ~ Xn Xd S)ax 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. rj r� r Nr z tarfile: %sztarfile: %s %r)r� r r r� rw r� r rs r� r� �_extract_memberr� �EnvironmentErrorr� �filenamer� �strerrorr} )r� �memberr r� r� r� r5 r5 r6 r� t s& ! 2zTarFile.extractc 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)a� Extract a member from the archive as a file object. `member' may be a filename or a TarInfo object. If `member' is a regular file, 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() rj z'cannot extract (sym)link as file objectN)r� r r r� rL � fileobjectr� rM rw ru r� r� r� � extractfile�_find_link_target)r� r� r� r5 r5 r6 r� � s zTarFile.extractfilec C s� | j d � } | j d t j � } t j j | � } | r\ t j j | � r\ t j | � | j � st | 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 � r2| j | | � n] | j � sJ| j � r]| j | | � n2 | j t k r| j | | � n | j | | � | r�| j | | � | j � s�| j | | � | j | | � d S)z\Extract the TarInfo object tarinfo to a physical file called targetpath. r� r z%s -> %sN) r= r� r� r� r �dirnamer� �makedirsrw ru r� r� r� rL �makefiler< �makedirr} �makefifory r{ �makedev�makelinkr� rM � makeunknownr� r� r� )r� r� � targetpathr� � upperdirsr5 r5 r6 r� � s4 # zTarFile._extract_memberc C sU y t j | d � Wn: t k rP } z | j t j k r> � WYd d } ~ Xn Xd S)z,Make a directory called targetpath. i� N)r� �mkdirr� �errno�EEXIST)r� r� r r� r5 r5 r6 r� � s zTarFile.makedirc 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)z'Make a file called targetpath. r� N) r� r� r� r� r� rf r �truncater� )r� r� r �source�targetr� r r5 r5 r6 r� � s zTarFile.makefilec C s+ | j | | � | j d d | j � d S)zYMake a file from a TarInfo object with an unknown type at targetpath. r z9tarfile: Unknown file type %r, extracted as regular file.N)r� r� r� )r� r� r r5 r5 r6 r� s zTarFile.makeunknownc C s/ t t d � r t j | � n t d � � d S)z'Make a fifo called targetpath. �mkfifoz fifo not supported by systemN)r� r� r r} )r� r� r r5 r5 r6 r� s zTarFile.makefifoc C s� t t d � s t t d � r, t d � � | j } | j � rQ | t j O} n | t j O} t j | | t j | j | j � � d S)z<Make a character or block device called targetpath. �mknodr� z'special devices not supported by systemN) r� r� r} rt r{ r� �S_IFBLK�S_IFCHRr r� r� r� )r� r� r rt r5 r5 r6 r� s zTarFile.makedevc C s yj | j � r% t j | j | � nD t j j | j � rP t j | j | � n | j | j | � | � WnQ t k r� | j � r� t j j t j j | j � | j � } n | j } Yn? Xy | j | j | � | � Wn t k r� t d � � Yn Xd S)z�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. z%unable to resolve link inside archiveN)ru r� �symlinkr� r r� r� �linkr� r� �symlink_exceptionrs r� r� r� r} )r� r� r r r5 r5 r6 r� ' s" zTarFile.makelinkc C s& t r"t t d � r"t j � d k r"y t j | j � d } Wn t k r^ | j } Yn Xy t j | j � d } Wn t k r� | j } Yn XyW | j � r� t t d � r� t j | | | � n" t j d k r� t j | | | � Wn1 t k r!} z t d � � WYd d } ~ Xn Xd S)z6Set owner of targetpath according to tarinfo. �geteuidr r �lchownZos2emxzcould not change ownerN)r� r� r� r r� �getgrnamr" r� r �getpwnamr! r ru r �sys�platformr� r� r} )r� r� r �g�ur� r5 r5 r6 r� D s ' z TarFile.chownc C s^ t t d � rZ y t j | | j � Wn1 t k rY } z t d � � WYd d } ~ Xn Xd S)zASet file permissions of targetpath according to tarinfo. r� zcould not change modeN)r� r� r� rt r� r} )r� r� r r� r5 r5 r6 r� Z s z TarFile.chmodc C sk t t d � s d Sy t j | | j | j f � Wn1 t k rf } z t d � � WYd d } ~ Xn Xd S)zBSet modification time of targetpath according to tarinfo. r� Nz"could not change modification time)r� r� r� r r� r} )r� r� r r� r5 r5 r6 r� c s z TarFile.utimec C s | j d � | j d k r2 | j } d | _ | S| j j | j � d } x�y | j j | � } Wn�t k r� } z= | j r� | j d d | j | f � | j t 7_ wN WYd d } ~ Xn(t k rC} za | j r| j d d | j | f � | j t 7_ wN n! | j d k r1t t | � � � WYd d } ~ Xn� t k ro| j d k rkt d � � Yn| t k r�} z& | j d k r�t t | � � � WYd d } ~ Xn7 t k r�} z t t | � � � WYd d } ~ Xn XPqN W| d k r| j j | � n d | _ | S)z�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. �raNr z0x%X: %sr z empty fileT)r� r� r� r� r� r� rF r� r� r� r� rC r~ r r� r� r� r� rr r� )r� �mr� r� r5 r5 r6 rP n sF $ $% z TarFile.nextc C s� | j � } | d k r1 | d | j | � � } | rI t j j | � } xK t | � D]= } | rz t j j | j � } n | j } | | k rV | SqV Wd S)z}Find an archive member by name from bottom to top. If tarinfo is given, it is used as the starting point. N)r� �indexr� r �normpath�reversedr� )r� r� r� � normalizer� r� � member_namer5 r5 r6 r� � s zTarFile._getmemberc C s- x | j � } | d k r Pq Wd | _ d S)zWRead through the entire archive file and look for readable members. NT)rP r� )r� r� r5 r5 r6 r� � s z TarFile._loadc C sQ | j r t d | j j � � | d k rM | j | k rM t d | j � � d S)znCheck if TarFile is still open, and if the operation's mode corresponds to TarFile's mode. z %s is closedNzbad operation for mode %r)r� r_ r� ry rt )r� rt r5 r5 r6 r� � s zTarFile._checkc C s | j � r5 t j j | j � d | j } d } n | j } | } | j | d | d d �} | d k r{ t d | � � | S)zZFind the target member of a symlink or hardlink member in the archive. r� Nr� r Tzlinkname %r not found)ru r� r r� r� r� r� r� )r� r� r� �limitr� r5 r5 r6 r� � s zTarFile._find_link_targetc C s$ | j r t | j � St | � Sd S)z$Provide an iterator object. N)r� �iterr� �TarIter)r� r5 r5 r6 r� � s zTarFile.__iter__c C s& | | j k r" t | d t j �d S)z.Write debugging output to sys.stderr. �fileN)r� r� r �stderr)r� �level�msgr5 r5 r6 r� � s z TarFile._dbgc C s | j � | S)N)r� )r� r5 r5 r6 � __enter__� s zTarFile.__enter__c C s< | d k r | j � n | j s/ | j j � d | _ d S)NT)r� r� r� r� )r� r� r0 � tracebackr5 r5 r6 �__exit__� s zTarFile.__exit__)7ry rz r{ r| r� r� r� r� r� rS r� r3 r4 r r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� rc r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� rP r� r� r� r� r� r� r% r' r5 r5 r5 r6 r , sl iK b >&# &0 1 c @ s@ e Z d Z d Z d d � Z d d � Z d d � Z e Z d S) r zMIterator Class. for tarinfo in TarFile(...): suite... c C s | | _ d | _ d S)z$Construct a TarIter object. r N)r� r )r� r� r5 r5 r6 r� s zTarIter.__init__c C s | S)z Return iterator object. r5 )r� r5 r5 r6 r� s zTarIter.__iter__c C s{ | j j s6 | j j � } | sh d | j _ t � n2 y | j j | j } Wn t k rg t � Yn X| j d 7_ | S)z�Return the next item using TarFile's next() method. When all members have been read, set TarFile as _loaded. Tr )r� r� rP � StopIterationr� r � IndexError)r� r� r5 r5 r6 �__next__ s zTarIter.__next__N)ry rz r{ r| r� r� r* rP r5 r5 r5 r6 r � s r c C s; y t | � } | j � d SWn t k r6 d SYn Xd S)zfReturn True if name points to a tar archive that we are able to handle, else return False. TFN)r� r� r )r� rn r5 r5 r6 r # s )w� __future__r � __version__�version� __author__�__date__� __cvsid__� __credits__r r� r� r r� rM r rU r� r� r� r� �NotImplementedErrorr Z WindowsError� NameError�__all__� version_info� __builtin__�builtinsr� �_openr0 r� r� r r r r r% r� r9 rv rt rx rz r� r| �CONTTYPEr r r: r r" rI r rL r r� rM rr r> rm �setr] r rA rn �S_IFLNK�S_IFREGr �S_IFDIRr �S_IFIFOZTSUIDZTSGIDZTSVTXZTUREADZTUWRITEZTUEXECZTGREADZTGWRITEZTGEXECZTOREADZTOWRITEZTOEXECr� r� �getfilesystemencodingr7 r< rH rT r[ rf rq rx � Exceptionr r} r~ r r� r� r� r� r� rC r� �objectr� r� r� r� r� r� r r r r r� r5 r5 r5 r6 �<module> s, �?K�� � �� � � �*
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