def read(self, fnm, rng=None):
        json_obj=self.conn.blob_proxy.read(fnm)
        
        # read in the content to a temporary file on disk
        fp = tempfile.NamedTemporaryFile(prefix="cdmi",
                               suffix=".buffer",
                               delete=True)
        content=base64.b64decode(json_obj['value'])
        fp.write(content)
        fp.seek(0)
        return fp
Return the item size for the given array or buffer type.
dataset/ETHPy150Open livenson/vcdm/src/vcdm/backends/blob/cdmi.py/CDMIBlob.read--crossover with--dataset/ETHPy150Open numba/numba/numba/targets/arrayobj.py/get_itemsize