R. David Murray <[email protected]> added the comment:
Given your problem report wouldn't the simplest solution be to change the close
method to be:
if hasattr(self, '_file'):
if hasattr(self._file, 'close'):
self._file.close()
del self._file
As for a test, it seems to me that adding a test to the appropriate existing
cases that calls get_file and then closes the returned object twice should be
sufficient.
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<http://bugs.python.org/issue11700>
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