How secure are temp files created via tempfile.TemporaryFile()?

[python at bdurham.com]

Steven,

Thank you very much for your wonderful reply!! 

I had read the Fine Manual, but as you pointed out the documentation
only mentions visibility of file names.

> Exclusive locks are advisory, not mandatory, on some operating systems, so you can't rely on it. 

That comment and your list of OS specific behaviors were EXACTLY the
type of information I was looking for.

Thanks again!
Malcolm