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How to use the xxhash._cffi.ffi.from_buffer function in xxhash

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ifduyue / python-xxhash / xxhash / cffi.py View on Github

def _get_buffer(val):
    """
    Best-effort function to get the pointer and byte length of a buffer-like
    object.
    """
    if PY3 and isinstance(val, str):
        return val.encode('utf8'), len(val)
    if isinstance(val, bytes):
        return val, len(val)
    cdata = ffi.from_buffer(val)
    return cdata, len(cdata)