[issue9759] GzipFile object should raise ValueError on .read() after .close()

[Jeffrey Finkelstein]

Jeffrey Finkelstein <jeffrey.finkelstein at gmail.com> added the comment:

Here is a patch for the py3k branch which adds a check for whether the GzipFile is closed on each call to GzipFile.read(). If the file is closed already, the method raises a ValueError if it is (with the message text copied from the corresponding fileobject's error message). I added an assertion to the test_read() method in Lib/test/test_gzip.py.

The changes will be exactly the same for the 2.7 branch.

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keywords: +patch
nosy: +jfinkels
Added file: http://bugs.python.org/file18874/issue9759.patch

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