[issue21082] os.makedirs(exist_ok=True) is not thread-safe: umask is set temporary to 0, serious security problem

[Antoine Pitrou]

Antoine Pitrou added the comment:

I think the behaviour that an error is raised if the permissions are not the same is a nuisance that does not correspond to actual use cases (*). People who care about permissions so much that they expect an error can do the check themselves, or call chmod().

(*) and I got similar errors several times when running setup.py, only I didn't know it was because of that "feature"

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nosy: +pitrou, terry.reedy

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<http://bugs.python.org/issue21082>
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