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GNU_FORMATrC structunpackpack bytearrayrE insert)rG digitsformatr2 rH r6 r6 r7 itn s rU c C sh dt tjd| dd tjd| dd }dt tjd| dd tjd | dd }||fS )
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,
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which will be different if there are chars in the buffer with
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rf rK -re dcr< rwr2 SxtTc C sP g }x@t D ]8}x2|D ] \}}| |@ |kr|j| P qW |jd q
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S )
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c C sF t jt jt jB t jB d| }tt dr2|t jO }t j||d| _d S )N)rj rk O_BINARYi ) osO_RDONLYO_WRONLYO_CREATO_TRUNChasattrr openfd)selfnamert r6 r6 r7 __init__r s
z_LowLevelFile.__init__c C s t j| j d S )N)r closer )r r6 r6 r7 r { s z_LowLevelFile.closec C s t j| j|S )N)r r] r )r r r6 r6 r7 r] ~ s z_LowLevelFile.readc C s t j| j| d S )N)r r^ r )r r2 r6 r6 r7 r^ s z_LowLevelFile.writeN)ry rz r{ r| r r r] r^ r6 r6 r6 r7 r l s
r c @ st e Zd ZdZdd Zdd Zdd Zdd Zd
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dd Zdd ZdS ) _Streama Class that serves as an adapter between TarFile and
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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 sR d| _ |dkr t||}d| _ |dkr6t|}|j }|pt| j | jkrL| jj| j d| j | j | jd | _ qW dS )z]Write string s to the stream if a whole new block
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N)rY r0 r r r^ )r r2 r6 r6 r7 __write s z_Stream.__writec C s | j r
dS | jdkr2| jdkr2| j| jj 7 _| jdkr| jr| jj| j d| _| jdkr| jjtj d| j
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Nrk r r r zd? Z d@dA Z dBdC Z!dDdE Z"dFdG Z#dHdI Z$dJdK Z%dLdM Z&dNdO Z'dPdQ Z(dRdS Z)dTdU Z*dVdW Z+dXdY Z,dZd[ Z-d\d] Z.d^d_ Z/d`da Z0dbdc Z1ddde Z2dfdg Z3dhS )kr a Informational class which holds the details about an
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i r rp N)r rt r r! r r r REGTYPEr r r" r# r r r r r r )r r r6 r6 r7 r s" zTarInfo.__init__c C s | j S )N)r )r r6 r6 r7 _getpath s zTarInfo._getpathc C s
|| _ d S )N)r )r r r6 r6 r7 _setpath s zTarInfo._setpathc C s | j S )N)r )r r6 r6 r7 _getlinkpath s zTarInfo._getlinkpathc C s
|| _ d S )N)r )r r r6 r6 r7 _setlinkpath s zTarInfo._setlinkpathc C s d| j j| jt| f S )Nz<%s %r at %#x>) __class__ry r id)r r6 r6 r7 __repr__ s zTarInfo.__repr__c C sn | j | jd@ | j| j| j| j| j| j| j| j | j
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r rt r r! 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 infor6 r6 r7 get_info s
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Nr r zname is too longr9 r9 r9 )
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| jdtt | jddd||| jdtt | jddd||t | jddd||t| jddd|t| jddd|t | jddd||g}tjdt dj|}t |t d d }|dd d | j
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&zTarInfo._create_headerc C s. t t| t\}}|dkr*| t| t 7 } | S )zdReturn the string payload filled with zero bytes
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)r/ r1 r0 r r r r+ )r% r r r4 r5 r r6 r6 r7 r s z TarInfo._create_gnu_long_headerc C s: d}x@|j D ]4\}}y|jdd W q tk
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) r r] r rF r4 r5 r r _proc_member)r% r rY rA r6 r6 r7 fromtarfile s zTarInfo.fromtarfilec C sT | j ttfkr| j|S | j tkr,| j|S | j tttfkrF| j |S | j
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z missing or bad subsequent header)r r] rP r rH r r r r r r= r4 r5 r r r )r r rY nextr6 r6 r7 rI 5 s
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zTarInfo._proc_paxc C sp g }x(t jd|D ]}|jt|jd qW g }x(t jd|D ]}|jt|jd q@W tt|||_dS )z?Process a GNU tar extended sparse header, version 0.0.
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s z.TarInfo._proc_gnusparse_01..zGNU.sparse.map,Nr r )splitre rf r )r rR r r r6 r6 r7 r` s zTarInfo._proc_gnusparse_01c C s d}g }|j jt}|jdd\}}t|}xJt||d k rvd|krV||j jt7 }|jdd\}}|jt| q.W |j j |_t t
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r r z mode must be 'r', 'a' or 'w'rbzr+bwb)rj ark r rk FNr rt Trj aw)*r0 rC rt _moder r exists bltn_openr r r abspathr rT r dereference ignore_zerosr4 r5 r r debug
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'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 ) rC OPEN_METHr r r~ r r rk r r r taropen)
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r r z mode must be 'r', 'a' or 'w')r0 rC )r% r rt r r r6 r6 r7 r s zTarFile.taropenr c K s t |dks|dkr tdyddl}|j W n ttfk
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zlOpen bzip2 compressed tar archive name for reading or writing.
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r r zmode must be 'r' or 'w'.r Nzbz2 module is not available)r znot a bzip2 fileF)
r0 rC r r r r BZ2Filer r` EOFErrorr r~ r )r% r rt r r r r rn r6 r6 r7 bz2open$ s zTarFile.bz2openr r r )r r r c C s | j r
dS | jdkrf| jjttd | jtd 7 _t| jt\}}|dkrf| jjtt| | j sv| jj
d| _ dS )zlClose the TarFile. In write-mode, two finishing zero blocks are
appended to the archive.
Nr r r T) r rt r r^ r1 r r r_
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z
TarFile.closec C s" | j |}|dkr td| |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)
_getmemberKeyError)r r r r6 r6 r7 getmember\ s
zTarFile.getmemberc C s | j | js| j | jS )zReturn 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 r6 r6 r7
getmembersg s zTarFile.getmembersc C s dd | j D S )zReturn 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 qS r6 )r )rh r r6 r6 r7 ri u s z$TarFile.getnames..)r )r r6 r6 r7 getnamesq s zTarFile.getnamesc C sp | j d |dk r|j}|dkr$|}tjj|\}}|jtjd}|jd}| j }| |_ |dkrt
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td rltj5|j6|_7tj8|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 majorminor):r r r r
splitdriver seplstripr r r r r statfstatfilenost_modeS_ISREGst_inost_devst_nlinkr rx r S_ISDIRr S_ISFIFOr~ S_ISLNKrv readlinkS_ISCHRrz S_ISBLKr| rt st_uidr st_gidr! st_sizer st_mtimer r r pwdgetpwuidr" r grpgetgrgidr# r st_rdevr r r ) r r arcnamer drvr statresr stmdinoder r6 r6 r7
gettarinfow s~
zTarFile.gettarinfoTc C s | j x| D ]}|rtt|jdd td|jp6|j|jp@|jf dd |j s\|j rztdd|j
|j f dd ntd|j dd tdt
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|jdd t qW dS )zPrint 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! r{ r} r r r r localtimer r r> rw r ry )r verboser r6 r6 r7 re s&
z TarFile.listc C sr | j d |dkr|}|dk rPddl}|jdtd ||rP| jdd| dS | jdk rtjj|| jkr| jdd| dS | jd| | j ||}|dkr| jdd | dS |dk r||}|dkr| jdd| dS |j
r
t |d
}| j || |j
nd|j rd| j | |rnxHtj|D ].}| jtjj||tjj|||||d q0W n
| j | dS ) 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 warningswarnDeprecationWarning_dbgr r r r r rN r addfiler r> listdiraddrs ) r r r recursiveexcluder r r fr6 r6 r7 r sD
z TarFile.addc C s | j d tj|}|j| j| j| j}| jj| | jt |7 _|dk rt
|| j|j t |j t
\}}|dkr| jjtt
| |d7 }| j|t
7 _| jj| dS )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 rT r4 r5 r r^ r r0 rf r r_ r r1 r rr )r r r rY rc rd r6 r6 r7 r 4 s
zTarFile.addfile.c C s g }|dkr| }xD|D ]<}|j r<|j| tj|}d|_| j|||j d qW |jdd d |j x|D ]~}tjj ||j
}y(| j || | j || | j
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r } z$| jdkrЂ n| jdd| W Y dd}~X qtX qtW dS ) aM Extract all members from the archive to the current working
directory and set owner, modification time and permissions on
directories afterwards. `path' specifies a different directory
to extract to. `members' is optional and must be a subset of the
list returned by getmembers().
Ni ) set_attrsc S s | j S )N)r )r r6 r6 r7 d s z$TarFile.extractall..)keyr z tarfile: %s)r> rr r rt extractsortreverser r rs r chownutimechmodr} r r )r r r directoriesr dirpathr r6 r6 r7
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zTarFile.extractallrp c C s
| j d t|tr | j|}n|}|j r>tjj||j|_ y | j
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r } z$| j
dkr n| jdd| W Y dd}~X nX dS )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 ry r r rs r r _extract_memberr EnvironmentErrorr filenamer strerrorr} )r memberr r r r r6 r6 r7 r t s&
(
zTarFile.extractc C s | j d t|tr | j|}n|}|j r8| j| |S |jtkrN| j| |S |j s^|j rt| j
t rtt dq| j
| j|S ndS dS )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 rN
fileobjectr rO ry rw r r r extractfile_find_link_target)r r r r6 r6 r7 r s
zTarFile.extractfilec C sT |j d}|jdtj}tjj|}|r@tjj| r@tj| |j sP|j rj| j
dd|j |j f n| j
d|j |j
r| j|| n|j r| j|| nx|j r| j|| nb|j s|j r| j|| nD|j s|j r| j|| n&|jtkr| j|| n | j|| |rP| j|| |j sP| j|| | j || dS )z\Extract the TarInfo object tarinfo to a physical
file called targetpath.
r r z%s -> %sN) r? r r r r dirnamer makedirsry rw r r r rN makefiler> makedirr makefifor{ r} makedevmakelinkr rO makeunknownr r r )r r
targetpathr upperdirsr6 r6 r7 r s4
zTarFile._extract_memberc C sF yt j|d W n0 tk
r@ } z|jtjkr0 W Y dd}~X nX dS )z,Make a directory called targetpath.
i N)r mkdirr errnoEEXIST)r r r r r6 r6 r7 r s
zTarFile.makedirc C s | j }|j|j t|d}|jdk rRx8|jD ] \}}|j| t||| q.W nt|||j |j|j |j |j dS )z'Make a file called targetpath.
r N) r r r r r rf r truncater )r r r sourcetargetr r r6 r6 r7 r s
zTarFile.makefilec C s" | j || | jdd|j dS )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 r6 r6 r7 r s zTarFile.makeunknownc C s" t tdrtj| ntddS )z'Make a fifo called targetpath.
mkfifoz fifo not supported by systemN)r r r
r} )r r r r6 r6 r7 r s
zTarFile.makefifoc C sb t td st td r td|j}|j r:|tjO }n
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r tdY nX dS )zMake 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)rw r symlinkr r r r linkr r symlink_exceptionrs r r r r} )r r r r r6 r6 r7 r ' s"
zTarFile.makelinkc C s t rttdrtj dkrytj|jd }W n tk
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r } ztdW Y dd}~X nX dS )z6Set owner of targetpath according to tarinfo.
geteuidr r lchownZos2emxzcould not change ownerN)r r r r r getgrnamr# r r! getpwnamr" r rw r sysplatformr r r} )r r r gur r6 r6 r7 r D s
z
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rF } ztdW Y dd}~X nX dS )zASet file permissions of targetpath according to tarinfo.
r zcould not change modeN)r r r rt r r} )r r r r r6 r6 r7 r Z s
z
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rP } ztdW Y dd}~X nX dS )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 r6 r6 r7 r c s
z
TarFile.utimec C s | j d | jdk r$| j}d| _|S | jj| j d}x\y| jj| }W nB tk
r } z2| jr| j dd| j|f | jt
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r } zt t
|W Y dd}~X nX P q:W |dk r| jj| nd| _|S )zReturn 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
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z TarFile.nextc C sn | j }|dk r"|d|j| }|r2tjj|}x6t|D ]*}|rTtjj|j}n|j}||kr<|S q
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c @ s, e Zd ZdZdd Zdd Zdd ZeZdS ) r" zMIterator Class.
for tarinfo in TarFile(...):
suite...
c C s || _ d| _dS )z$Construct a TarIter object.
r N)r r )r r r6 r6 r7 r
s zTarIter.__init__c C s | S )z Return iterator object.
r6 )r r6 r6 r7 r
s zTarIter.__iter__c C sb | j js$| j j }|sPd| j _tn,y| j j| j }W n tk
rN tY nX | jd7 _|S )zReturn the next item using TarFile's next() method.
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zTarIter.__next__N)ry rz r{ r| r r r, rR r6 r6 r6 r7 r" s
r" c C s. yt | }|j dS tk
r( dS X dS )zfReturn True if name points to a tar archive that we
are able to handle, else return False.
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__author____date__ __cvsid__ __credits__r r r r r rN r rW r r r r NotImplementedErrorr Z WindowsError NameError__all__ version_info __builtin__builtinsr _openr1 r r r r r r
r' r r; rx rv rz r| r r~ CONTTYPEr r r< r r$ rK r rM r r rO rt r@ ro setr_ r rB rp S_IFLNKS_IFREGr S_IFDIRr
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