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| j d k S )N)r )r r6 r6 r7 issparseP s zTarInfo.issparsec C s | j tttfkS )N)r r6 r7 r| )r r6 r6 r7 isdevR s z
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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.
rbzr+bwbZxb)rz ar{ ro z!mode must be 'r', 'a', 'w' or 'x'r r{ FNr rh Trz ro )r r{ ro )-r. rh _moder} r% exists bltn_openr r r* r r, rL abspathr rP r dereference ignore_zerosr4 r5 r r debug
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Y nX d| _ | S |dkr j |||f|S t ddS )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
'r:xz' open for reading with lzma 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
'w:xz' open for writing with lzma compression
'x' or 'x:' create a tarfile exclusively without compression, raise
an exception if the file is already created
'x:gz' create a gzip compressed tarfile, raise an exception
if the file is already created
'x:bz2' create a bzip2 compressed tarfile, raise an exception
if the file is already created
'x:xz' create an lzma compressed tarfile, raise an exception
if the file is already created
'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
'r|xz' open an lzma 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
'w|xz' open an lzma compressed stream for writing
znothing to openrz r:*c s j | dkS )Ntaropen) OPEN_METH)r )r1 r6 r7 not_compressed s z$TarFile.open..not_compressed)keyNz%file could not be opened successfully:r# r zunknown compression type %r|r{ zmode must be 'r' or 'w'Fr ro zundiscernible mode)rz r )rz r{ )r r{ ro )
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rz r r{ ro z!mode must be 'r', 'a', 'w' or 'x')rz r r{ ro )r. )r1 r rh r r r6 r6 r7 r < s zTarFile.taropenr c K s |d krt dyddl}|j W n ttfk
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rz r{ ro z mode must be 'r', 'w' or 'x'r Nz gzip module is not availablerb znot a gzip fileF)rz r{ ro ) r. gzipZGzipFiler AttributeErrorr r r r r r )r1 r rh r
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|S ) zlOpen bzip2 compressed tar archive name for reading or writing.
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rz r{ ro z mode must be 'r', 'w' or 'x'r Nzbz2 module is not available)r znot a bzip2 fileF)rz r{ ro ) r. r r r ZBZ2Filer r EOFErrorr r r )r1 r rh r r r r r r6 r6 r7 bz2openf s( zTarFile.bz2openc K s |d krt dy ddl}W n tk
r8 tdY nX |j|pD|||d}y| j|||f|}W nH |jtfk
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rz r{ ro z mode must be 'r', 'w' or 'x'r Nz lzma module is not available)presetznot an lzma fileF)rz r{ ro ) r. r r r ZLZMAFiler r r r r r )r1 r rh r r r r r r6 r6 r7 xzopen s& zTarFile.xzopenr r r r )r r r r c
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X dS ) zlClose the TarFile. In write-mode, two finishing zero blocks are
appended to the archive.
NTr r{ ro r$ r )r r{ ro ) r rh r r[ r1 r r rY
RECORDSIZEr r )r r` ra r6 r6 r7 r s
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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
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)_checkr _loadr )r r6 r6 r7
getmembers 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().
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}|j qS r6 )r )rn r r6 r6 r7 rp s z$TarFile.getnames..)r )r r6 r6 r7 getnames s zTarFile.getnamesc C sp | j d |dk r|j}|dkr$|}tjj|\}}|jtjd}|jd}| j }| |_ |dkrt
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a Create a TarInfo object from the result of os.stat or equivalent
on an existing file. The file is either named by `name', or
specified as a file object `fileobj' with a file descriptor. If
given, `arcname' specifies an alternative name for the file in the
archive, otherwise, the name is taken from the 'name' attribute of
'fileobj', or the 'name' argument. The name should be a text
string.
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zTarFile.gettarinfoT)r c C s0 | j |dkr| }x|D ]
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|j t q W dS )a Print a table of contents to sys.stdout. If `verbose' is False, only
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Nz
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z TarFile.list)filterc
C sv | 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
rt |d
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| 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 )r )r rc rd re _dbgr r} r% r r r r addfiler listdiraddr ) r r r recursiveZexcluder rc r fr6 r6 r7 r d sB
z TarFile.addc C s | j d tj|}|j| j| j| j}| jj| | jt |7 _| j
}|dk rt || j|j |d t
|j t\}}|dkr| jjtt| |d7 }| j|t 7 _| jj| dS )a Add the TarInfo object `tarinfo' to the archive. If `fileobj' is
given, it should be a binary file, and tarinfo.size bytes are read
from it and added to the archive. You can create TarInfo objects
directly, or by using gettarinfo().
r N)r_ r r# )r r r rP r4 r5 r r[ r r0 r rX r' rY r r1 r r )r r r rT r_ r` ra r6 r6 r7 r s
zTarFile.addfilec " C sH |d kr| j }|d k rtjjd}|d kry tt}W n tk
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rB t d|d d Y nX d S ) NZ PYTHON_TARFILE_EXTRACTION_FILTERr #)Z
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not foundz4The default behavior of tarfile extraction has been z$changed to disallow common exploits z(including CVE-2007-4559). z1By default, absolute/parent paths are disallowed z and some mode bits are cleared. z/See https://access.redhat.com/articles/7004769 zfor more details.z#String names are not supported for z2TarFile.extraction_filter. Use a function such as z tarfile.data_filter directly.)r zXThe default behavior of tarfile extraction has been changed to disallow common exploits zsThe default behavior of tarfile extraction has been changed to disallow common exploits (including CVE-2007-4559). zThe default behavior of tarfile extraction has been changed to disallow common exploits (including CVE-2007-4559). By default, absolute/parent paths are disallowed zThe default behavior of tarfile extraction has been changed to disallow common exploits (including CVE-2007-4559). By default, absolute/parent paths are disallowed and some mode bits are cleared. zThe default behavior of tarfile extraction has been changed to disallow common exploits (including CVE-2007-4559). By default, absolute/parent paths are disallowed and some mode bits are cleared. See https://access.redhat.com/articles/7004769 a The default behavior of tarfile extraction has been changed to disallow common exploits (including CVE-2007-4559). By default, absolute/parent paths are disallowed and some mode bits are cleared. See https://access.redhat.com/articles/7004769 for more details.zUString names are not supported for TarFile.extraction_filter. Use a function such as zrString names are not supported for TarFile.extraction_filter. Use a function such as tarfile.data_filter directly.)extraction_filterr} environr5 r _CONFIG_FILENAMEFileNotFoundError configparserZ ConfigParserZ read_file_NAMED_FILTERSr r. _RH_SAFER_DEFAULTrc rd RuntimeWarningr r r* r, TypeErrorcallable)r r r filer Zconfr6 r6 r7 _get_filter_function sR
z TarFile._get_filter_function.)
numeric_ownerr c " C s g }| j |}|dkr| }xT|D ]L}| j|||\}} |dkr@q |j rR|j| | j|||j ||d q W |jdd dd x$|D ]} yy|| |}W n4 tk
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X qX qW dS ) a 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(). If `numeric_owner` is True, only
the numbers for user/group names are used and not the names.
The `filter` function will be called on each member just
before extraction.
It can return a changed TarInfo or None to skip the member.
String names of common filters are accepted.
N) set_attrsr filter_functionc S s | j S )N)r )r r6 r6 r7 s z$TarFile.extractall..T)r reversezexcluded by filterZmissingznot a directory)r )r _get_extract_tarinfor r _extract_onesort_FILTER_ERRORS_log_no_directory_fixupreprr} r% r r r r rf r r chownutimechmodr
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zTarFile.extractallc C s | j dd|j|f d S )Nr$ z(tarfile: Not fixing up directory %r (%s))r r )r r reasonr6 r6 r7 r 4 s z TarFile._log_no_directory_fixupr c C s8 | j |}| j|||\}}|dk r4| j|||| dS )a 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. If `numeric_owner`
is True, only the numbers for user/group names are used and not
the names.
The `filter` function will be called before extraction.
It can return a changed TarInfo or None to skip the member.
String names of common filters are accepted.
N)r r r ) r r r% r r r r r r r6 r6 r7 extract8 s
zTarFile.extractc C s t |tr| j|}n|}d}y|||}W nZ ttfk
r\ } z| j| W Y dd}~X n, tk
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j||j|_||fS )zGet (filtered, unfiltered) TarInfos from *member*
*member* might be a string.
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Nr$ ztarfile: Excluded %r)NN)r* r, r r r _handle_fatal_errorr
r r r r r r} r% r r r )r r r r% r filteredr r6 r6 r7 r L s"
z TarFile._get_extract_tarinfoc C s | j d y&| j|tjj||j||||d W nV tk
r\ } z| j| W Y dd}~X n, tk
r } z| j | W Y dd}~X nX dS )zExtract from filtered tarinfo to disk.
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rz )r r r extraction_rootN)
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zTarFile._extract_onec C s" | j dkr n| jdd| dS )z=Handle non-fatal error (ExtractError) according to errorlevelr# z tarfile: %sN)r r )r r r6 r6 r7 r ~ s
z TarFile._handle_nonfatal_errorc C sn | j dkr n\t|trP|jdkr6| jdd|j qj| jdd|j|jf n| jddt|j|f dS )z1Handle "fatal" error according to self.errorlevelr Nr# z tarfile: %sztarfile: %s %rztarfile: %s %s)r r* r filenamer strerrorr rq )r r r6 r6 r7 r s
zTarFile._handle_fatal_errorc C s | j d t|tr | j|}n|}|j s6|jtkrB| j| |S |j sR|j rzt| j
t rht dq~| j
| j|S ndS dS )zExtract a member from the archive as a file object. `member' may be
a filename or a TarInfo object. If `member' is a regular file or a
link, an io.BufferedReader object is returned. Otherwise, None is
returned.
rz z'cannot extract (sym)link as file objectN)r r* r, r r r rZ
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zTarFile.extractfile)r r c C s\ |j d}|jdtj}tjj|}|r@tjj| r@tj| |j sP|j rj| j
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r| j|| n|j r| j|| n~|j r| j|| nh|j s|j r| j|| nJ|j s|j r| j||||d n&|jtkr| j|| n | j|| |rX| j||| |j sX| j|| | j || dS )zExtract the filtered TarInfo object tarinfo to a physical
file called targetpath.
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member (e.g. as fallback to creating a symlink)
r r# z%s -> %s)r r N) rK r r} r r% r r makedirsr r r r r r makefiler makedirr} makefiforz r{ makedevmakelink_with_filterr rZ makeunknownr r r )r r
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zTarFile._extract_memberc C s@ y&|j dkrtj| n tj|d W n tk
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Ni )rh r} mkdirFileExistsError)r r r r6 r6 r7 r s
zTarFile.makedirc C s | j }|j|j | j}t|df}|jdk rrx,|jD ]"\}}|j| t|||t| q6W |j|j |j nt|||jt| W dQ R X dS )z'Make a file called targetpath.
r N)
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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
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|j dS )zzFilter for extraction)metavarchoicesr/ z-lz--list zShow listing of a tarfile)r0 r/ z-ez --extract+ z Extract tarfile into target dir)nargsr0 r/ z-cz--createzCreate tarfile from sourcesz-tz--testzTest if a tarfile is validr# z&--filter is only valid for extraction
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