What is the best way to determine if a file object is unbuffered?
In Python 3.4, if I open the file with buffering=0, I get a FileIO object.
>>> fh = open("tmp", "rb+", buffering=0)
>>> fh
<_io.FileIO name='tmp' mode='rb+'>
Is the FileIO object always unbuffered?
If I open it without buffering=0, I get a BufferedRandom.
>>> fh = open("tmp", "rb+")
>>> fh
<_io.BufferedRandom name='tmp'>
Should I just compare the file object class to determine buffering?
Ultimately, I'd like to determine when a file object is unbuffered to fix an
issue in a CPython section of numpy.
Thanks for your help!
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