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r0e7dVgdWfe9dX< dYd„ Z:d‡d[d„Z;d\d„ Zd_d`„ Z?d‰dad„Z@dbd„ ZAdcdd„ ZBdedf„ ZCdgdh„ ZDdigeDg dMfdjgeCg dQfdkœZEerÆdldmgeDg dOfeEdP< e ràdndogeDg dTfeEdU< e
rúdpdqgeDg dWfeEdX< drds„ ZFdŠdtd„ZGe eduƒrPe Hdv¡ e Idwdx¡ZJdyeJjK_ dzeJjL_ d{eJjM_ d|dv„ ZNn2ejOd}kr‚ddlPZPe Hdv¡ e Idwdx¡ZJd~dv„ ZNd‹dd „ZQdŒdd „ZRejSejTB dfd‚d „ZUdS )z—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.
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7 s c @ s e Zd ZdZdS )r z5Raised when source and destination are the same file.N)r r r Ú__doc__r r r r! r : s c @ s e Zd ZdZdS )r z|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)N)r r r r" r r r r! r = s c @ s e Zd ZdZdS )r z+Raised when a command could not be executedN)r r r r" r r r r! r A s c @ s e Zd ZdZdS )Ú ReadErrorz%Raised when an archive cannot be readN)r r r r" r r r r! r# D s r# c @ s e Zd ZdZdS )Ú
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and unpacking registries failsN)r r r r" r r r r! r$ G s r$ é @ c C s$ x | |¡}|sP | |¡ qW dS )z=copy data from file-like object fsrc to file-like object fdstN)ÚreadÚwrite)ÚfsrcÚfdstÚlengthZbufr r r! r L s
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z {!r} and {!r} are the same filez`%s` is a named pipeÚrbÚwbN)r4 r Úformatr- Ústatr/ ÚS_ISFIFOÚst_moder r. ÚislinkÚsymlinkÚreadlinkÚopenr )r2 r3 r5 ÚfnÚstr( r) r r r! r ` s
c C sx |s._nopc s t t| ˆ ƒS )N)Úgetattrr- )rM )rS r r! ÚlookupÀ s zcopystat..lookupc s t t| ˆ ƒ}|tjkr|S ˆ S )N)rT r- Úsupports_follow_symlinks)rM r@ )rS r r! rU Å s
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c C sB t j |¡r"t j |t j | ¡¡}t| ||d t| ||d |S )a3 Copy data and mode bits ("cp src dst"). Return the file's destination.
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raised.
)r5 )r- r. ÚisdirÚjoinÚbasenamer r )r2 r3 r5 r r r! r ê s
c C sB t j |¡r"t j |t j | ¡¡}t| ||d t| ||d |S )a1 Copy data and metadata. Return the file's destination.
Metadata is copied with copystat(). Please see the copystat function
for more information.
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If follow_symlinks is false, symlinks won't be followed. This
resembles GNU's "cp -P src dst".
)r5 )r- r. r_ r` ra r r )r2 r3 r5 r r r! r ü s
c s ‡ fdd„}|S )zFunction that can be used as copytree() ignore parameter.
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that are used to exclude filesc s, g }x ˆ D ]}| t ||¡¡ q
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ignored_namesÚpattern)Úpatternsr r! Ú_ignore_patterns s
z)ignore_patterns.._ignore_patternsr )rh ri r )rh r! r s c C sâ t | ¡}|dk r || |ƒ}ntƒ }t |¡ g }x@|D ]6} | |krJq:t j | | ¡}
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|ƒ‚|S )aü Recursively copy a directory tree.
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. If the file pointed by the symlink doesn't
exist, an exception will be added in the list of errors raised in
an Error exception at the end of the copy process.
You can set the optional ignore_dangling_symlinks flag to true if you
want to silence this exception. Notice that this has no effect on
platforms that don't support os.symlink.
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.
The optional copy_function argument is a callable that will be used
to copy each file. It will be called with the source path and the
destination path as arguments. By default, copy2() is used, but any
function that supports the same signature (like copy()) can be used.
N)r5 r Zwinerror)r- Úlistdirre Úmakedirsr. r` r< r> r= r Úexistsr_ r
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rJ |t j | t ¡ ƒ Y nX d S )NF)r5 z%Cannot call rmtree on a symbolic link)
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r\ } z ||_|t j|t ¡ ƒ d S d }~X Y nX x˜|D ]Ž}t j ||j ¡}y,|j
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r¤ |t jj|t ¡ ƒ Y nX W d t |
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rô |t j|t ¡ ƒ Y qfX qfW d S )NF)r5 )Údir_fdz%Cannot call rmtree on a symbolic link)r- rt ru r/ Úfilenamerv rw r. r` rM rx r9 ÚS_ISDIRr; r? ÚO_RDONLYÚsamestatÚfstatÚ_rmtree_safe_fdr| r< Úcloser{ ) Útopfdr. r} r~ r r^ r€ r rx Úorig_stÚdirfdr r r! rˆ — sJ
rˆ c C s¤ |rdd„ }n|dkr dd„ }t rPt| tƒr8t | ¡} yt | ¡}W n& tk
rl |tj| t ¡ ƒ dS X yt | tj
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r |tj| t ¡ ƒ Y nX n8y tdƒ‚W n* tk
r< |tj j| t ¡ ƒ Y nX W dt |¡ X nPytj | ¡rhtdƒ‚W n* tk
r” |tj j| t ¡ ƒ dS X t| |ƒS dS )aÄ 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 platform and implementation dependent;
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 )Nr )rP r r r! r} × s zrmtree..onerrorNc W s ‚ d S )Nr )rP r r r! r} Ú s z%Cannot call rmtree on a symbolic link)Ú_use_fd_functionsÚ
isinstanceÚbytesr- ÚfsdecoderD Ú Exceptionrv rw r? r… r. r† r‡ rˆ r| r/ r< r‰ rz )r. Ú
ignore_errorsr} r‹ Úfdr r r! r Ë sH
c C s& t jjt jjpd }t j | |¡¡S )NÚ )r- r. ÚsepÚaltsepra Úrstrip)r. r• r r r! Ú _basename
s r˜ c C s |}t j |¡rTt| |ƒr*t | |¡ dS t j |t| ƒ¡}t j |¡rTtd| ƒ‚yt | |¡ W n– t k
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| ¡ nTt j | ¡rât| |ƒrÈtd| |f ƒ‚t| ||dd t| ƒ n|| |ƒ t
| ¡ Y nX |S )a+ Recursively move a file or directory to another location. This is
similar to the Unix "mv" command. Return the file or directory's
destination.
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. Symlinks are
recreated under the new name if os.rename() fails because of cross
filesystem renames.
The optional `copy_function` argument is a callable that will be used
to copy the source or it will be delegated to `copytree`.
By default, copy2() is used, but any function that supports the same
signature (like copy()) can be used.
A lot more could be done here... A look at a mv.c shows a lot of
the issues this implementation glosses over.
Nz$Destination path '%s' already existsz.Cannot move a directory '%s' into itself '%s'.T)rq ro )r- r. r_ r4 Úrenamer` r˜ rl r
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r8 d}Y nX |dk rJ|d S dS )z"Returns a gid, given a group name.Né )r ÚKeyError)rM Úresultr r r! Ú_get_gidQ s
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d W d| ¡ X | S )aú Create a (possibly compressed) tar file from all the files under
'base_dir'.
'compress' must be "gzip" (the default), "bzip2", "xz", 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", ".bz2", or ".xz").
Returns the output filename.
Nr” r¢ ZgzÚbzip2Úbz2ÚxzzCbad value for 'compress', or compression format not supported : {0}r Ú.z.tarz creating %szCreating tar archivec s, ˆ d k rˆ | _ ˆ| _ˆd k r(ˆ| _ˆ| _| S )N)ÚgidZgnameÚuidÚuname)Ztarinfo)r§ ÚgroupÚownerr¨ r r! Ú _set_uid_gid˜ s z#_make_tarball.._set_uid_gidzw|%s)rd )Ú_ZLIB_SUPPORTEDÚ_BZ2_SUPPORTEDÚ_LZMA_SUPPORTEDÚ
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r½ c C sz ddl }| d }tj | ¡}|rNtj |¡sN|dk r@| d|¡ |sNt |¡ |dk rd| d||¡ |sv|j|d|jdô}tj |¡} | tj
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¡¡} tj | ¡r| | | ¡ |dk r| d| ¡ qW qÀW W dQ R X |S ) z¦Create a zip file from all the files under 'base_dir'.
The output zip file will be named 'base_name' + ".zip". Returns the
name of the output zip file.
r Nz.zipz creating %sz#creating '%s' and adding '%s' to itÚw)Z compressionz adding '%s')Úzipfiler- r. r² rl r³ rk ÚZipFileZ ZIP_DEFLATEDÚnormpathÚcurdirr' ÚwalkÚsortedr` Úisfile)rµ r¶ r¸ r¹ rº r¿ Z zip_filenamer» Zzfr. ÚdirpathZdirnamesÚ filenamesrM r r r! Ú
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rÈ r¼ )r· Nzuncompressed tar file)r· r¢ zgzip'ed tar-fileZgztarzZIP fileÚzip)r· r£ zbzip2'ed tar-fileZbztar)r· r¥ zxz'ed tar-fileZxztarc C s dd„ t ¡ D ƒ} | ¡ | S )z‘Returns a list of supported formats for archiving and unarchiving.
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c S s g | ]\}}||d f‘qS )r r )Ú.0rM Úregistryr r r! ú
ì s z'get_archive_formats..)Ú_ARCHIVE_FORMATSÚitemsÚsort)Úformatsr r r! r ç s r” c C sx |dkr g }t |ƒs td| ƒ‚t|ttfƒs6tdƒ‚x.|D ]&}t|ttfƒrZt|ƒdkr|dk r$| d|¡ t j | ¡} |s>t |¡ |dkrLt j}||dœ}
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| ¡ t | ¡ X |S ) a Create an archive file (eg. zip or tar).
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extension; 'format' is the archive format: one of "zip", "tar", "gztar",
"bztar", or "xztar". 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.
Nzchanging into '%s')r¹ rº zunknown archive format '%s'r é rÉ r« rª zchanging back to '%s')
r- ÚgetcwdÚdebugr. r1 Úchdirr rÍ rž r° )rµ r8 Zroot_dirr¶ r¸ r¹ r« rª rº Zsave_cwdrQ Ú format_infoÚfuncÚargÚvalrƒ r r r! r s6
c C s dd„ t ¡ D ƒ} | ¡ | S )z‘Returns a list of supported formats for unpacking.
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(name, extensions, description)
c S s" g | ]\}}||d |d f‘qS )r é r )rÊ rM r³ r r r! rÌ F s z&get_unpack_formats..)Ú_UNPACK_FORMATSrÎ rÏ )rÐ r r r! r @ s c C sv i }x.t ¡ D ]"\}}x|d D ] }|||< q W qW x,| D ]$}||kr:d}t|||| f ƒ‚q:W t|ƒsrtdƒ‚dS )z+Checks what gets registered as an unpacker.r z!%s is already registered for "%s"z*The registered function must be a callableN)rá rÎ r$ rÑ rÒ ) Ú
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ræ c C s, |dkr g }t |||ƒ ||||ft| < dS )aM Registers an unpack format.
`name` is the name of the format. `extensions` is a list of extensions
corresponding to the format.
`function` is the callable that will be
used to unpack archives. The callable will receive archives to unpack.
If it's unable to handle an archive, it needs to raise a ReadError
exception.
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_unpack_formats() function.
N)ræ rá )rM râ rÕ rÖ r× r r r! r ] s c C s
t | = dS )z*Removes the pack format from the registry.N)rá )rM r r r! r s s c C s& t j | ¡}t j |¡s"t |¡ dS )z1Ensure that the parent directory of `path` existsN)r- r. r² r_ rk )r. r² r r r! Ú_ensure_directoryw s rç c C sÊ ddl }| | ¡s td| ƒ‚| | ¡}z’xŒ| ¡ D ]€}|j}| d¡s4d|krRq4tjj |f|
d¡žŽ }|spq4t |ƒ | d¡s4|
|j¡}t|dƒ}z| |¡ W d| ¡ ~X q4W W d| ¡ X dS )z+Unpack zip `filename` to `extract_dir`
r Nz%s is not a zip fileú/z..r7 )r¿ Z
is_zipfiler# rÀ Zinfolistrƒ rœ r- r. r` Úsplitrç r› r& r? r' r‰ ) rƒ Ú extract_dirr¿ rÉ r³ rM ÚtargetÚdataÚfr r r! Ú_unpack_zipfile} s*
rî c C sX ddl }y| | ¡}W n" |jk
r8 td| ƒ‚Y nX z| |¡ W d| ¡ X dS )zAUnpack tar/tar.gz/tar.bz2/tar.xz `filename` to `extract_dir`
r Nz/%s is not a compressed or uncompressed tar file)r± r? ZTarErrorr# Z
extractallr‰ )rƒ rê r± Ztarobjr r r! Ú_unpack_tarfileŸ s rï z.tarz.zip)r¼ rÉ z.tar.gzz.tgzz.tar.bz2z.tbz2z.tar.xzz.txzc C s: x4t ¡ D ](\}}x |d D ]}| |¡r |S q W q
W d S )Nr )rá rÎ r› )rƒ rM r³ rä r r r! Ú_find_unpack_format¾ s
rð c C sÊ |dkrt ¡ }t |¡}t | ¡} |dk r~y t| }W n$ tk
r\ td |¡ƒd‚Y nX |d }|| |ft|d ƒŽ nHt| ƒ}|dkrœt d | ¡ƒ‚t| d }tt| d ƒ}|| |f|Ž dS )a
Unpack an archive.
`filename` is the name of the archive.
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is unpacked. If not provided, the current working directory is used.
`format` is the archive format: one of "zip", "tar", "gztar", "bztar",
or "xztar". Or any other registered format. If not provided,
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was registered for that extension.
In case none is found, a ValueError is raised.
NzUnknown unpack format '{0}'rØ r z Unknown archive format '{0}')
r- rÙ Úfspathrá rž r° r8 Údictrð r# )rƒ rê r8 rÜ rÝ rQ r r r! r Å s"
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disk_usageZusageztotal used freezTotal space in byteszUsed space in byteszFree space in bytesc C s@ t | ¡}|j|j }|j|j }|j|j |j }t|||ƒS )zÖReturn disk usage statistics about the given path.
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)r- ró Úf_bavailÚf_frsizeÚf_blocksÚf_bfreeÚ_ntuple_diskusage)r. rA ÚfreeÚtotalÚusedr r r! rô õ s
Úntc C s" t | ¡\}}|| }t|||ƒS )z×Return disk usage statistics about the given path.
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_getdiskusagerù )r. rû rú rü r r r! rô s c C sž |dkr|dkrt dƒ‚|}|}|dkr.d}n(t|tƒrVt|ƒ}|dkrVtd |¡ƒ‚|dkrdd}n(t|tƒsŒt|ƒ}|dkrŒtd |¡ƒ‚t | ||¡ dS )z¹Change owner user and group of the given path.
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