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bpo-30404: The -u option now makes the stdout and stderr streams totally unbuffered. (#1667)

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Serhiy Storchaka 2017-10-04 20:25:40 +03:00 • committed by GitHub
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Doc/using/cmdline.rst
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@ -303,13 +303,13 @@ Miscellaneous options
.. cmdoption:: -u
Force the binary layer of the stdout and stderr streams (which is
available as their ``buffer`` attribute) to be unbuffered. The text I/O
layer will still be line-buffered if writing to the console, or
block-buffered if redirected to a non-interactive file.
Force the stdout and stderr streams to be unbuffered.
See also :envvar:`PYTHONUNBUFFERED`.
.. versionchanged:: 3.7
The text layer of the stdout and stderr streams now is unbuffered.
.. cmdoption:: -v