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Editing: shutil.pyc
� ;;Wgc @ s3 d Z d d l Z d d l Z d d l Z d d l m Z d d l Z d d l Z d d l Z y d d l Z [ e Z Wn e k r� e Z n Xy d d l Z [ e Z Wn e k r� e Z n Xy d d l m Z Wn e k r� d Z n Xy d d l m Z Wn e k r d Z n Xd d d d d d d d d d d d d d d d d g Z d e f d � � YZ d e f d � � YZ d e f d � � YZ y e Wn e k r�d Z n Xd? d � Z d � Z d � Z d � Z d � Z d! � Z! d" � Z" d# � Z# e d d$ � Z$ e d d% � Z% d& � Z& d' � Z' d( � Z( d) � Z) d* � Z* d+ d, d, d d d d- � Z+ d. � Z, d, d, d d/ � Z- i e+ d@ g d1 f d2 6e- g d3 f d4 6Z. e r�e+ dA g d5 f e. d6 <n e r�e+ dB g d8 f e. d9 <n d: � Z/ d d; d< � Z0 d= � Z1 d d d, d, d d d d> � Z2 d S(C s� Utility functions for copying and archiving files and directory trees. XXX The functions here don't copy the resource fork or other metadata on Mac. i����N( t abspath( t getpwnam( t getgrnamt copyfileobjt copyfilet copymodet copystatt copyt copy2t copytreet movet rmtreet Errort SpecialFileErrort ExecErrort make_archivet get_archive_formatst register_archive_formatt unregister_archive_formatt ignore_patternsc B s e Z RS( ( t __name__t __module__( ( ( s /usr/lib/python2.7/shutil.pyR - s c B s e Z d Z RS( s| Raised when trying to do a kind of operation (e.g. copying) which is not supported on a special file (e.g. a named pipe)( R R t __doc__( ( ( s /usr/lib/python2.7/shutil.pyR 0 s c B s e Z d Z RS( s+ Raised when a command could not be executed( R R R ( ( ( s /usr/lib/python2.7/shutil.pyR 4 s i i c C s1 x* | j | � } | s Pn | j | � q Wd S( s= copy data from file-like object fsrc to file-like object fdstN( t readt write( t fsrct fdstt lengtht buf( ( s /usr/lib/python2.7/shutil.pyR < s c C s{ t t j d � rA y t j j | | � SWqA t k r= t SXn t j j t j j | � � t j j t j j | � � k S( Nt samefile( t hasattrt ost pathR t OSErrort Falset normcaseR ( t srct dst( ( s /usr/lib/python2.7/shutil.pyt _samefileD s c C s� t | | � r( t d | | f � � n x` | | g D]R } y t j | � } Wn t k ra q5 Xt j | j � r5 t d | � � q5 q5 Wt | d � �, } t | d � � } t | | � Wd QXWd QXd S( s Copy data from src to dsts `%s` and `%s` are the same files `%s` is a named pipet rbt wbN( R& R R t statR! t S_ISFIFOt st_modeR t openR ( R$ R% t fnt stR R ( ( s /usr/lib/python2.7/shutil.pyR P s c C sG t t d � rC t j | � } t j | j � } t j | | � n d S( s Copy mode bits from src to dstt chmodN( R R R) t S_IMODER+ R/ ( R$ R% R. t mode( ( s /usr/lib/python2.7/shutil.pyR d s c C s t j | � } t j | j � } t t d � rO t j | | j | j f � n t t d � rq t j | | � n t t d � r� t | d � r� y t j | | j � Wq� t k r� } x@ d D]1 } t t | � r� | j t t | � k r� Pq� q� W� q� Xn d S( s; Copy file metadata Copy the permission bits, last access time, last modification time, and flags from `src` to `dst`. On Linux, copystat() also copies the "extended attributes" where possible. The file contents, owner, and group are unaffected. `src` and `dst` are path names given as strings. t utimeR/ t chflagst st_flagst EOPNOTSUPPt ENOTSUPN( R5 R6 ( R R) R0 R+ R R2 t st_atimet st_mtimeR/ R3 R4 R! t errnot getattr( R$ R% R. R1 t whyt err( ( s /usr/lib/python2.7/shutil.pyR k s 'c C sT t j j | � r6 t j j | t j j | � � } n t | | � t | | � d S( sV Copy data and mode bits ("cp src dst"). The destination may be a directory. N( R R t isdirt joint basenameR R ( R$ R% ( ( s /usr/lib/python2.7/shutil.pyR � s $ c C sT t j j | � r6 t j j | t j j | � � } n t | | � t | | � d S( s� Copy data and metadata. Return the file's destination. Metadata is copied with copystat(). Please see the copystat function for more information. The destination may be a directory. N( R R R= R> R? R R ( R$ R% ( ( s /usr/lib/python2.7/shutil.pyR � s $ c s � f d � } | S( s� Function that can be used as copytree() ignore parameter. Patterns is a sequence of glob-style patterns that are used to exclude filesc s: g } x' � D] } | j t j | | � � q Wt | � S( N( t extendt fnmatcht filtert set( R t namest ignored_namest pattern( t patterns( s /usr/lib/python2.7/shutil.pyt _ignore_patterns� s ( ( RG RH ( ( RG s /usr/lib/python2.7/shutil.pyR � s c C s� t j | � } | d k r- | | | � } n t � } t j | � g } x| D] } | | k rh qP n t j j | | � } t j j | | � } ys | r� t j j | � r� t j | � } t j | | � n5 t j j | � r� t | | | | � n t | | � WqP t k r.} | j | j d � qP t k r\} | j | | t | � f � qP XqP Wy t | | � WnM t k r�} t d k r�t | t � r�q�| j | | t | � f � n X| r�t | � n d S( s� Recursively copy a directory tree using copy2(). The destination directory must not already exist. If exception(s) occur, an Error is raised with a list of reasons. If the optional symlinks flag is true, symbolic links in the source tree result in symbolic links in the destination tree; if it is false, the contents of the files pointed to by symbolic links are copied. The optional ignore argument is a callable. If given, it is called with the `src` parameter, which is the directory being visited by copytree(), and `names` which is the list of `src` contents, as returned by os.listdir(): callable(src, names) -> ignored_names Since copytree() is called recursively, the callable will be called once for each directory that is copied. It returns a list of names relative to the `src` directory that should not be copied. XXX Consider this example code rather than the ultimate tool. i N( R t listdirt NoneRC t makedirsR R> t islinkt readlinkt symlinkR= R R R R@ t argst EnvironmentErrort appendt strR R! t WindowsErrort isinstance( R$ R% t symlinkst ignoreRD RE t errorst namet srcnamet dstnamet linktoR< R; ( ( s /usr/lib/python2.7/shutil.pyR � s< $ c C s� | r d � } n | d k r* d � } n y% t j j | � rN t d � � n Wn. t k r | t j j | t j � � d SXg } y t j | � } Wn/ t j k r� } | t j | t j � � n Xx� | D]� } t j j | | � } y t j | � j } Wn t j k r d } n Xt j | � rBt | | | � q� y t j | � Wq� t j k r�} | t j | t j � � q� Xq� Wy t j | � Wn- t j k r�| t j | t j � � n Xd S( s� Recursively delete a directory tree. If ignore_errors is set, errors are ignored; otherwise, if onerror is set, it is called to handle the error with arguments (func, path, exc_info) where func is os.listdir, os.remove, or os.rmdir; path is the argument to that function that caused it to fail; and exc_info is a tuple returned by sys.exc_info(). If ignore_errors is false and onerror is None, an exception is raised. c W s d S( N( ( RO ( ( s /usr/lib/python2.7/shutil.pyt onerror� s c W s � d S( N( ( RO ( ( s /usr/lib/python2.7/shutil.pyR\ � s s% Cannot call rmtree on a symbolic linkNi ( RJ R R RL R! t syst exc_infoRI t errorR> t lstatR+ R) t S_ISDIRR t removet rmdir( R t ignore_errorsR\ RD R< RX t fullnameR1 ( ( s /usr/lib/python2.7/shutil.pyR � s> !c C s5 t j j t j j p d } t j j | j | � � S( Nt ( R R t sept altsepR? t rstrip( R Rg ( ( s /usr/lib/python2.7/shutil.pyt _basename s c C s | } t j j | � r{ t | | � r; t j | | � d St j j | t | � � } t j j | � r{ t d | � q{ n y t j | | � Wn� t k rt j j | � r� t | | � r� t d | | f � n t | | d t �t | � qt | | � t j | � n Xd S( s� Recursively move a file or directory to another location. This is similar to the Unix "mv" command. If the destination is a directory or a symlink to a directory, the source is moved inside the directory. The destination path must not already exist. If the destination already exists but is not a directory, it may be overwritten depending on os.rename() semantics. If the destination is on our current filesystem, then rename() is used. Otherwise, src is copied to the destination and then removed. A lot more could be done here... A look at a mv.c shows a lot of the issues this implementation glosses over. Ns$ Destination path '%s' already existss. Cannot move a directory '%s' into itself '%s'.RU ( R R R= R& t renameR> Rj t existsR R! t _destinsrcR t TrueR R t unlink( R$ R% t real_dst( ( s /usr/lib/python2.7/shutil.pyR s$ c C su t | � } t | � } | j t j j � s@ | t j j 7} n | j t j j � sh | t j j 7} n | j | � S( N( R t endswithR R Rg t startswith( R$ R% ( ( s /usr/lib/python2.7/shutil.pyRm H s c C s^ t d k s | d k r d Sy t | � } Wn t k rE d } n X| d k rZ | d Sd S( s" Returns a gid, given a group name.i N( R RJ t KeyError( RX t result( ( s /usr/lib/python2.7/shutil.pyt _get_gidQ s c C s^ t d k s | d k r d Sy t | � } Wn t k rE d } n X| d k rZ | d Sd S( s" Returns an uid, given a user name.i N( R RJ Rs ( RX Rt ( ( s /usr/lib/python2.7/shutil.pyt _get_uid] s t gzipi c s� | d k r d } nK t r0 | d k r0 d } n0 t rK | d k rK d } n t d j | � � � | rp d | n d } | d | } t j j | � } | r� t j j | � r� | d k r� | j d | � n | s� t j | � q� n d d l } | d k r| j d � n t � � � t � � � � � � � f d � } | s�| j | d | � } z | j | d | �Wd | j � Xn | S( s� Create a (possibly compressed) tar file from all the files under 'base_dir'. 'compress' must be "gzip" (the default), "bzip2", or None. 'owner' and 'group' can be used to define an owner and a group for the archive that is being built. If not provided, the current owner and group will be used. The output tar file will be named 'base_name' + ".tar", possibly plus the appropriate compression extension (".gz", or ".bz2"). Returns the output filename. Rf Rw t gzt bzip2t bz2sC bad value for 'compress', or compression format not supported : {0}t .s .tars creating %si����Ns Creating tar archivec sF � d k r! � | _ � | _ n � d k rB � | _ � | _ n | S( N( RJ t gidt gnamet uidt uname( t tarinfo( R| t groupt ownerR~ ( s /usr/lib/python2.7/shutil.pyt _set_uid_gid� s s w|%sRB ( RJ t _ZLIB_SUPPORTEDt _BZ2_SUPPORTEDt ValueErrort formatR R t dirnameRl t infoRK t tarfileRv Ru R, t addt close( t base_namet base_dirt compresst verboset dry_runR� R� t loggert tar_compressiont compress_extt archive_namet archive_dirR� R� t tar( ( R| R� R� R~ s /usr/lib/python2.7/shutil.pyt _make_tarballi s8 c C s� | r d } n d } d | | | g } | d k rL | j d j | � � n | rV d Sd d l } y | j | � Wn! | j k r� t d | � n Xd S( Ns -rs -rqt zipt i����sk unable to create zip file '%s': could neither import the 'zipfile' module nor find a standalone zip utility( RJ R� R> t subprocesst check_callt CalledProcessErrorR ( R� t zip_filenameR� R� R� t zipoptionst cmdR� ( ( s /usr/lib/python2.7/shutil.pyt _call_external_zip� s c C sn | d } t j j | � } | rm t j j | � rm | d k rT | j d | � n | sm t j | � qm n y d d l } d d l } Wn t k r� d } n X| d k r� t | | | | | � n�| d k r� | j d | | � n | sj| j | d d | j ��Z} t j j | � } | t j k ra| j | | � | d k ra| j d | � qan x� t j | � D]� \ } } } xd t | � D]V } t j j t j j | | � � } | j | | � | d k r�| j d | � q�q�Wxs | D]k } t j j t j j | | � � } t j j | � r�| j | | � | d k rY| j d | � qYq�q�WqqWWd QXn | S( sm Create a zip file from all the files under 'base_dir'. The output zip file will be named 'base_name' + ".zip". Uses either the "zipfile" Python module (if available) or the InfoZIP "zip" utility (if installed and found on the default search path). If neither tool is available, raises ExecError. Returns the name of the output zip file. s .zips creating %si����Ns# creating '%s' and adding '%s' to itt wt compressions adding '%s'( R R R� Rl RJ R� RK t zlibt zipfilet ImportErrorR� t ZipFilet ZIP_DEFLATEDt normpatht curdirR t walkt sortedR> t isfile( R� R� R� R� R� R� R� R� R� t zfR t dirpatht dirnamest filenamesRX ( ( s /usr/lib/python2.7/shutil.pyt _make_zipfile� sL ! ! 'R� s uncompressed tar fileR� s ZIP fileR� s gzip'ed tar-filet gztarRy s bzip2'ed tar-filet bztarc C s= g t j � D] \ } } | | d f ^ q } | j � | S( s� Returns a list of supported formats for archiving and unarchiving. Each element of the returned sequence is a tuple (name, description) i ( t _ARCHIVE_FORMATSt itemst sort( RX t registryt formats( ( s /usr/lib/python2.7/shutil.pyR s , Rf c C s� | d k r g } n t | t j � s: t d | � � n t | t t f � s^ t d � � n xE | D]= } t | t t f � s� t | � d k re t d � � qe qe W| | | f t | <d S( su Registers an archive format. name is the name of the format. function is the callable that will be used to create archives. If provided, extra_args is a sequence of (name, value) tuples that will be passed as arguments to the callable. description can be provided to describe the format, and will be returned by the get_archive_formats() function. s The %s object is not callables! extra_args needs to be a sequencei s+ extra_args elements are : (arg_name, value)N( RJ RT t collectionst Callablet TypeErrort tuplet listt lenR� ( RX t functiont extra_argst descriptiont element( ( s /usr/lib/python2.7/shutil.pyR s (c C s t | =d S( N( R� ( RX ( ( s /usr/lib/python2.7/shutil.pyR # s c C sh t j � } | d k rb | d k r7 | j d | � n t j j | � } | sb t j | � qb n | d k rz t j } n i | d 6| d 6} y t | } Wn t k r� t d | � n X| d } x" | d D] \ } } | | | <q� W| d k r| | d <| | d <n z | | | | � } Wd | d k rc| d k rS| j d | � n t j | � n X| S( s Create an archive file (eg. zip or tar). 'base_name' is the name of the file to create, minus any format-specific extension; 'format' is the archive format: one of "zip", "tar", "gztar", or "bztar". Or any other registered format. 'root_dir' is a directory that will be the root directory of the archive; ie. we typically chdir into 'root_dir' before creating the archive. 'base_dir' is the directory where we start archiving from; ie. 'base_dir' will be the common prefix of all files and directories in the archive. 'root_dir' and 'base_dir' both default to the current directory. Returns the name of the archive file. 'owner' and 'group' are used when creating a tar archive. By default, uses the current owner and group. s changing into '%s'R� R� s unknown archive format '%s'i i R� R� R� Ns changing back to '%s'( R t getcwdRJ t debugR R t chdirR� R� Rs R� ( R� R� t root_dirR� R� R� R� R� R� t save_cwdt kwargst format_infot funct argt valt filename( ( s /usr/lib/python2.7/shutil.pyR & s6 i @ ( R� N( R� Rw ( R� Ry (3 R R R] R) t os.pathR RA R� R9 R� Rn R� R� R" Rz R� t pwdR RJ t grpR t __all__RP R R R RS t NameErrorR R& R R R R R R R R Rj R Rm Ru Rv R� R� R� R� R R R R ( ( ( s /usr/lib/python2.7/shutil.pyt <module> s� A1 ( ? 8
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