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Showing content from https://mail.python.org/pipermail/python-dev/2003-November/040138.html below:

[Python-Dev] tempfile.mktemp and os.path.exists

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Hello,

The tempfile.mktemp function uses os.path.exists to test whether a file
already exists. Since this returns false for broken symbolic links,
wouldn't it be better if the function would actually do an os.lstat on
the filename?

I know the function is not safe by definition, but this issue could
(with a low probability) cause the file to actually be created in
another directory, as the non-existent target of the symlink, instead of
in the given directory (the one in which the symlink resides).

Regards,
Iustin Pop

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