Serhiy Storchaka added the comment:
Yet one related bug is that flush() isn't called at all if the file was opened
with closefd=False.
>>> import io, os
>>> class MyIO(io.FileIO):
... def flush(self):
... print('closed:', self.closed)
...
>>> fd = os.open('test.out', os.O_WRONLY|os.O_CREAT)
>>> f = MyIO(fd, 'wb', closefd=False)
>>> f.close()
The proposed simple patch fixes both bugs.
----------
assignee: -> serhiy.storchaka
components: +IO
stage: -> patch review
type: -> behavior
versions: +Python 3.4, Python 3.5 -Python 3.2, Python 3.3
Added file: http://bugs.python.org/file36889/fileio_flush_closed.patch
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<http://bugs.python.org/issue5700>
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