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If `member' is a regular file or a link, an io.BufferedReader object is returned. For all other existing members, None is returned. If `member' does not appear in the archive, KeyError is raised. rzz'cannot extract (sym)link as file objectN)rrFrIrr rr{ fileobjectr rrrr extractfile_find_link_target)rrrr8r8r9r? s      zTarFile.extractfiler"r8cCsZ|d}|dtj}tj|}|r>tj|s>t||sN| rh| dd|j |j fn| d|j | r|||n|r|||n~|r|||nh|s|r|||nJ|s| r|j||||dn&|jtvr|||n ||||rV||||| sV||||||dS)zExtract the filtered TarInfo object tarinfo to a physical file called targetpath. filter_function is only used when extracting a *different* member (e.g. as fallback to creating a symlink) rr#z%s -> %srAN)rlrr}rr%rrmakedirsr rrrrr makefilermakedirrmakefiforrmakedevmakelink_with_filterrr{ makeunknownr,r.r-)rr targetpathr!r r"r8Z upperdirsr8r8r9r9 s<       zTarFile._extract_membercCs>z&|jdurt|n t|dWnty8Yn0dS)z,Make a directory called targetpath. Ni)rr}mkdirFileExistsErrorrrrIr8r8r9rD s    zTarFile.makedircCs|j}||j|j}t|dl}|jdurn|jD]"\}}||t|||t|q4||j| nt|||jt|Wdn1s0YdS)z'Make a file called targetpath. rN) rrrrrrr\rr'truncate)rrrIsourcerctargetrr'r8r8r9rC s      zTarFile.makefilecCs"||||dd|jdS)zYMake a file from a TarInfo object with an unknown type at targetpath. r#z9tarfile: Unknown file type %r, extracted as regular file.N)rCrrrLr8r8r9rH s zTarFile.makeunknowncCs"ttdrt|ntddS)z'Make a fifo called targetpath. mkfifozfifo not supported by systemN)rr}rPr rLr8r8r9rE% s  zTarFile.makefifocCsjttdrttdstd|j}|dur.d}|rB|tjO}n |tjO}t||t |j |j dS)zrrrrrrrrrrrrrrrrr r rr3r*r5r&r'r/r6r?r9rDrCrHrErFrTrGr,r.r-rrrrr@rhrrmror8r8r8r9rys oZ        c&3 5 E     82! ? ( rcCsFz,t|drt|d}nt|}|WdSty@YdS0dS)zReturn True if name points to a tar archive that we are able to handle, else return False. 'name' should be a string, file, or file-like object. r^)rTFN)rrrr)rrr8r8r9rq s   rc Cs`ddl}d}|j|d}|jdddddd |jd d td d |jdd}|jddddd|jdddddd|jdddddd|jdd dd!d|}|jr|jdur|d"d#|j durJ|j }t |r4t |d$*}| t | tjd%Wdn1s0Y|jrFt d&|n|d"d'|n|jdur|j}t |rt |d(}|j|jd)Wdn1s0Yn|d"d'|n|jdurt|jd"kr|jd}tj}n,t|jd*kr|j\}}n|d"|t |rt |d( }|j||jd+Wdn1sR0Y|jr|d,krzd-|} n d.||} t | n|d"d'|n|jdur\|jd} tj| \} } d/d/d0d0d1d1d1d1d2} | | vrd3| | nd4}|j}t | |&}|D]}||qWdn1s<0Y|jr\t d5| dS)6Nrz3A simple command-line interface for tarfile module.) descriptionz-vz --verbose store_trueFzVerbose output)actiondefaulthelpz--filterz zFilter for extraction)metavarchoicesrtT)requiredz-lz--list zShow listing of a tarfile)rurtz-ez --extract+)rxz zExtract tarfile into target dir)nargsrurtz-cz--create)zzzCreate tarfile from sourcesz-tz--testzTest if a tarfile is validr#z&--filter is only valid for extraction rzriz{!r} is a tar archive.z{!r} is not a tar archive. r)rr$)r%rrz{!r} file is extracted.z+{!r} file is extracted into {!r} directory.rrr)rz.tgzz.xzz.txzz.bz2z.tbzz.tbz2z.tb2zw:r{z{!r} file created.)argparseArgumentParser add_argumentradd_mutually_exclusive_group parse_argsrr5exittestrrrrmrkrjrrSrrr2r}curdir format_helpr3Zcreatepopr%splitextr )r{rpparserrargsr`rZtfrrlZtar_namerextZ compressionsZtar_modeZ tar_files file_namer8r8r9main s           2  0    0      .r__main__)T)qrsversion __author__ __credits__builtinsrrrkr}rr[rrrVr*rerrrrAttributeErrorNotImplementedErrorrYr NameError__all__rrr3rrr?r:r<r;rQr#rirrrTrUr.rZCONTTYPErBrArjrKrMrxr rrrr{rrmrrrGrIrrr getfilesystemencodingr:r?rNrTrYr\rnrarr rrr r rtrurvrKrwrxrobjectrrBufferedReaderrrrrrrrrr)rrrrrr)compilerrrrrrpr8r8r8r9s$          sh   D  _