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add example function

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Benjamin Peterson 2009-05-12 20:47:57 +00:00
parent 57512588fa
commit 4199d603fe
1 changed files with 7 additions and 1 deletions
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Doc/library/sys.rst
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@ -784,7 +784,13 @@ always available.
The standard streams are in text mode by default. To write or read binary The standard streams are in text mode by default. To write or read binary
data to these, use the underlying binary buffer. For example, to write bytes data to these, use the underlying binary buffer. For example, to write bytes
to :data:`stdout`, use ``sys.stdout.buffer.write(b'abc')``. Using to :data:`stdout`, use ``sys.stdout.buffer.write(b'abc')``. Using
:meth:`io.TextIOWrapper.detach` streams can be made binary by default. :meth:`io.TextIOWrapper.detach` streams can be made binary by default. For
example, this function sets all the standard streams to binary: ::
def make_streams_binary():
sys.stdin = sys.stdin.detach()
sys.stdout = sys.stout.detach()
sys.stderr = sys.stderr.detach()
.. data:: __stdin__ .. data:: __stdin__