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bpo-26730: Fix SpooledTemporaryFile data corruption (GH-17400)

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SpooledTemporaryFile.rollback() might cause data corruption
when it is in text mode.

Co-Authored-By: Serhiy Storchaka <storchaka@gmail.com>
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Inada Naoki 2019-11-27 22:22:06 +09:00 • committed by GitHub
parent 1bddf890e5
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Doc/library/tempfile.rst
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@ -105,8 +105,8 @@ The module defines the following user-callable items:
causes the file to roll over to an on-disk file regardless of its size.
The returned object is a file-like object whose :attr:`_file` attribute
is either an :class:`io.BytesIO` or :class:`io.StringIO` object (depending on
whether binary or text *mode* was specified) or a true file
is either an :class:`io.BytesIO` or :class:`io.TextIOWrapper` object
(depending on whether binary or text *mode* was specified) or a true file
object, depending on whether :func:`rollover` has been called. This
file-like object can be used in a :keyword:`with` statement, just like
a normal file.