# Extract files from archives.
from os import O_CREAT, O_WRONLY, fdopen, mkdir, open as osopen, utime
try:
from os import O_BINARY
except ImportError:
# Platforms that do not define O_BINARY do not need it either.
O_BINARY = 0
from os.path import abspath, isdir, join as joinpath, sep, split as splitpath
from stat import S_IRWXU, S_IRWXG, S_IRWXO, S_IXUSR, S_IXGRP, S_IXOTH
import sys
import tarfile
from detectsys import detectOS
hostOS = detectOS()
# Note: Larger buffers might make extraction slower.
bufSize = 16384
def extract(archivePath, destDir, rename=None):
'''Extract the given archive to the given directory.
If a rename function is given, it is called with the output path relative
to the destination directory; the value returned by the rename function is
used as the actual relative destination file path.
This function sets file ownership and permissions like is done in newly
created files and ignores the ownership and permissions from the archive,
since we are not restoring a backup.
'''
absDestDir = abspath(destDir) + sep
try: from os import symlink except ImportError: def symlink(source, link_name): raise RuntimeError( 'OS does not support symlink creation: %s -> %s' % (link_name, source) ) from os.path import abspath, isdir, join as joinpath, sep, split as splitpath from stat import S_IRWXU, S_IRWXG, S_IRWXO, S_IXUSR, S_IXGRP, S_IXOTH import sys import tarfile from detectsys import detectOS hostOS = detectOS() # Note: Larger buffers might make extraction slower. bufSize = 16384 def extract(archivePath, destDir, rename = None): '''Extract the given archive to the given directory. If a rename function is given, it is called with the output path relative to the destination directory; the value returned by the rename function is used as the actual relative destination file path. This function sets file ownership and permissions like is done in newly created files and ignores the ownership and permissions from the archive, since we are not restoring a backup. ''' absDestDir = abspath(destDir) + sep if not isdir(absDestDir):