[issue27266] Always use getrandom() in os.random() on Linux and add block=False parameter to os.urandom()

[STINNER Victor]

STINNER Victor added the comment:

About the "add block=False parameter to os.urandom()" part of the issue title: I don't really care of the exact API. It can be a new function. The parameter can be named differently. The idea is to give access to users to Linux non-blocking /dev/urandom, and do something helpful for users on platforms without non-blocing urandom.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue27266>
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