3 ÄvhÀã@s¶dZddlZddlZddlZddlZddlZddlZddlmZddl m Z ddddd d d gZ Gd d „d eƒZ d d„Z e dfdd„Ze fdd „Ze fdd„Ze fdd„ZeeefZdS)z/Utilities for extracting common archive formatséN)ÚDistutilsError)Úensure_directoryÚunpack_archiveÚunpack_zipfileÚunpack_tarfileÚdefault_filterÚUnrecognizedFormatÚextraction_driversÚunpack_directoryc@seZdZdZdS)rz#Couldn't recognize the archive typeN)Ú__name__Ú __module__Ú __qualname__Ú__doc__©rrú"/usr/lib/python3.6/archive_util.pyrscCs|S)z@The default progress/filter callback; returns True for all filesr)ÚsrcÚdstrrrrsc CsNxH|ptD]0}y||||ƒWntk r4w Yq XdSq Wtd|ƒ‚dS)a¡Unpack `filename` to `extract_dir`, or raise ``UnrecognizedFormat`` `progress_filter` is a function taking two arguments: a source path internal to the archive ('/'-separated), and a filesystem path where it will be extracted. The callback must return the desired extract path (which may be the same as the one passed in), or else ``None`` to skip that file or directory. The callback can thus be used to report on the progress of the extraction, as well as to filter the items extracted or alter their extraction paths. `drivers`, if supplied, must be a non-empty sequence of functions with the same signature as this function (minus the `drivers` argument), that raise ``UnrecognizedFormat`` if they do not support extracting the designated archive type. The `drivers` are tried in sequence until one is found that does not raise an error, or until all are exhausted (in which case ``UnrecognizedFormat`` is raised). If you do not supply a sequence of drivers, the module's ``extraction_drivers`` constant will be used, which means that ``unpack_zipfile`` and ``unpack_tarfile`` will be tried, in that order. Nz!Not a recognized archive type: %s)r r)ÚfilenameÚ extract_dirÚprogress_filterZdriversZdriverrrrrsc Csâtjj|ƒstd|ƒ‚|d|fi}x¸tj|ƒD]ª\}}}||\}}x4|D],} || dtjj|| ƒf|tjj|| ƒ<qLWx\|D]T} tjj|| ƒ} ||| | ƒ} | s¨q‚t| ƒtjj|| ƒ} tj| | ƒtj | | ƒq‚Wq0WdS)z‡"Unpack" a directory, using the same interface as for archives Raises ``UnrecognizedFormat`` if `filename` is not a directory z%s is not a directoryÚú/N) ÚosÚpathÚisdirrÚwalkÚjoinrÚshutilZcopyfileZcopystat) rrrÚpathsÚbaseÚdirsÚfilesrrÚdÚfÚtargetrrrr ?s      ,  c Csîtj|ƒstd|fƒ‚tj|ƒ�Â}xº|jƒD]®}|j}|jdƒs.d|jdƒkrRq.tj j |f|jdƒžŽ}|||ƒ}|szq.|j dƒrŽt |ƒn4t |ƒ|j |jƒ}t|dƒ�}|j|ƒWdQRX|jd?} | r.tj|| ƒq.WWdQRXdS)zòUnpack zip `filename` to `extract_dir` Raises ``UnrecognizedFormat`` if `filename` is not a zipfile (as determined by ``zipfile.is_zipfile()``). See ``unpack_archive()`` for an explanation of the `progress_filter` argument. z%s is not a zip filerz..ÚwbNé)ÚzipfileZ is_zipfilerZZipFileZinfolistrÚ startswithÚsplitrrrÚendswithrÚreadÚopenÚwriteZ external_attrÚchmod) rrrÚzÚinfoÚnamer$Údatar#Zunix_attributesrrrrZs(        c Cshytj|ƒ}Wn$tjk r2td|fƒ‚YnXtj|ƒ��dd„|_�x |D�]}|j}|jdƒ oxd|j dƒkrTt j j |f|j dƒžŽ}xV|dk rè|j ƒs¬|jƒrè|j}|jƒrÜtj|jƒ}tj ||ƒ}tj|ƒ}|j|ƒ}q”W|dk rT|jƒ�s|jƒrT|||ƒ} | rT| jt jƒ�r,| dd …} y|j|| ƒWqTtjk �rTYqTXqTWdSQRXdS) zûUnpack tar/tar.gz/tar.bz2 `filename` to `extract_dir` Raises ``UnrecognizedFormat`` if `filename` is not a tarfile (as determined by ``tarfile.open()``). See ``unpack_archive()`` for an explanation of the `progress_filter` argument. z/%s is not a compressed or uncompressed tar filecWsdS)Nr)ÚargsrrrÚŽsz unpack_tarfile..rz..NéTéÿÿÿÿ)Útarfiler,ZTarErrorrÚ contextlibÚclosingÚchownr1r(r)rrrZislnkZissymZlinknameÚ posixpathÚdirnameÚnormpathZ _getmemberÚisfilerr*ÚsepZ_extract_memberZ ExtractError) rrrZtarobjÚmemberr1Z prelim_dstZlinkpathrZ final_dstrrrrs8       )rr'r7rrr;r8Zdistutils.errorsrZ pkg_resourcesrÚ__all__rrrr rrr rrrrÚs$    "  % .