[New-bugs-announce] [issue38417] Add support for settting umask in subprocess children
Gregory P. Smith
report at bugs.python.org
Tue Oct 8 18:55:39 EDT 2019
New submission from Gregory P. Smith <greg at krypto.org>:
Another use of the deprecated unsafe preexec_fn was to call os.umask in the child prior to exec.
As seen in https://github.com/freeipa/freeipa/pull/3769 (see the code in there).
We should add an explicit feature for this to avoid people's desire for preexec_fn or for the heavyweight workaround of an intermediate shell calling umask before doing another exec.
Any common preexec_fn uses that we can encode into supported parameters will help our ability to remove the ill fated preexec_fn misfeature in the future.
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messages: 354238
nosy: gregory.p.smith
priority: high
severity: normal
stage: needs patch
status: open
title: Add support for settting umask in subprocess children
type: enhancement
versions: Python 3.9
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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38417>
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