Nick Coghlan <ncogh...@gmail.com> added the comment:

Correctly avoiding symlink attacks, which is the whole reason the POSIX *at 
variants and the dir_fd parameters were added, is not trivial in general. 
os.fwalk and shutil.rmtree went through many iterations before reaching a state 
where they should successfully avoid the problem.

Simply passing a (path, dir_fd) 2-tuple instead of a string and calling it done 
is highly unlikely to produce a secure result, thus rather missing the point of 
the exercise.

----------
nosy: +ncoghlan
resolution:  -> rejected
stage:  -> committed/rejected
status: open -> closed

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue15203>
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