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File exists error - Python tarfile
import tarfile
tar = tarfile.open('/tmp/blah.tar.gz', 'r:gz')
tar.extractall()
tar.close()

In [26]: tar.extractall()
---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)

/home/bubuzzz/Projects/secude/java/jdk/<ipython console> in <module>()

/usr/lib/python2.7/tarfile.pyc in extractall(self, path, members)
   2044                 tarinfo = copy.copy(tarinfo)
   2045                 tarinfo.mode = 0700
-> 2046             self.extract(tarinfo, path)
   2047
   2048         # Reverse sort directories.


/usr/lib/python2.7/tarfile.pyc in extract(self, member, path)
   2081
   2082         try:
-> 2083             self._extract_member(tarinfo, os.path.join(path, tarinfo.name))
   2084         except EnvironmentError, e:
   2085             if self.errorlevel > 0:

/usr/lib/python2.7/tarfile.pyc in _extract_member(self, tarinfo, targetpath)
   2165             self.makedev(tarinfo, targetpath)
   2166         elif tarinfo.islnk() or tarinfo.issym():
-> 2167             self.makelink(tarinfo, targetpath)
   2168         elif tarinfo.type not in SUPPORTED_TYPES:
   2169             self.makeunknown(tarinfo, targetpath)

/usr/lib/python2.7/tarfile.pyc in makelink(self, tarinfo, targetpath)
   2240             # For systems that support symbolic and hard links.

   2241             if tarinfo.issym():
-> 2242                 os.symlink(tarinfo.linkname, targetpath)
   2243             else:
   2244                 # See extract().


OSError: [Errno 17] File exists