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authorNadeem Vawda <nadeem.vawda@gmail.com>2012-02-11 21:54:51 (GMT)
committerNadeem Vawda <nadeem.vawda@gmail.com>2012-02-11 21:54:51 (GMT)
commitd1a107132cf8a500478885fef282a1f945b9a981 (patch)
treec2d5e4d655484f17788f7c0a94acdf1d545e1e02 /Doc/library/gzip.rst
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Merge: #13989: Document that GzipFile does not support text mode.
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diff --git a/Doc/library/gzip.rst b/Doc/library/gzip.rst
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@@ -44,9 +44,11 @@ The module defines the following items:
The *mode* argument can be any of ``'r'``, ``'rb'``, ``'a'``, ``'ab'``, ``'w'``,
or ``'wb'``, depending on whether the file will be read or written. The default
- is the mode of *fileobj* if discernible; otherwise, the default is ``'rb'``. If
- not given, the 'b' flag will be added to the mode to ensure the file is opened
- in binary mode for cross-platform portability.
+ is the mode of *fileobj* if discernible; otherwise, the default is ``'rb'``.
+
+ Note that the file is always opened in binary mode; text mode is not
+ supported. If you need to read a compressed file in text mode, wrap your
+ :class:`GzipFile` with an :class:`io.TextIOWrapper`.
The *compresslevel* argument is an integer from ``1`` to ``9`` controlling the
level of compression; ``1`` is fastest and produces the least compression, and