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What's New in Python 3.5: document os.urandom() changes

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Victor Stinner 2015-07-29 02:28:32 +02:00
parent 988101364a
commit ace8848df6
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Doc/library/os.rst
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@ -3730,3 +3730,9 @@ Miscellaneous Functions
For an easy-to-use interface to the random number generator For an easy-to-use interface to the random number generator
provided by your platform, please see :class:`random.SystemRandom`. provided by your platform, please see :class:`random.SystemRandom`.
.. versionchanged:: 3.5
On Linux 3.17 and newer, the ``getrandom()`` syscall is now used
when available. On OpenBSD 5.6 and newer, the C ``getentropy()``
function is now used. These functions avoid the usage of an internal file
descriptor.

5
Doc/whatsnew/3.5.rst
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@ -648,6 +648,11 @@ os
* :class:`os.stat_result` now has a :attr:`~os.stat_result.st_file_attributes` * :class:`os.stat_result` now has a :attr:`~os.stat_result.st_file_attributes`
attribute on Windows. (Contributed by Ben Hoyt in :issue:`21719`.) attribute on Windows. (Contributed by Ben Hoyt in :issue:`21719`.)
* :func:`os.urandom`: On Linux 3.17 and newer, the ``getrandom()`` syscall is
now used when available. On OpenBSD 5.6 and newer, the C ``getentropy()``
function is now used. These functions avoid the usage of an internal file
descriptor.
os.path os.path
------- -------