Stefan Krah <ste...@bytereef.org> added the comment:

Or, obviously:

with open(fn, 'rb') as fd:
    with mmap.mmap(fd.fileno(), 0, access=mmap.ACCESS_READ) as mm:
        with memoryview(mm)[:2] as data:
            print(data)

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue35686>
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