[issue4265] shutil.copyfile() leaks file descriptors when disk fills

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

Could you write a test? Use a fake file objects that raise (or not) an IOError on close(), and then check that close() was closed on both files. There are 4 cases: input.close() raises or not an exception, output.close() raises or not an exception.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4265>
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