__init__.py 文件源码

def convert_input_array(self, buffer):
        """Converts a buffer of raw data from this slice

        EPOCH(16) variables always need to be converted.
        CHAR need converted to Unicode if py3k

        Parameters
        ==========
        buffer : numpy.array
            data as read from the CDF file

        Returns
        =======
        out : numpy.array
            converted data
        """
        result = self._flip_array(buffer)

        #Convert to derived types
        cdftype = self.zvar.type()
        if not self.zvar._raw:
            if cdftype in (const.CDF_CHAR.value, const.CDF_UCHAR.value) and \
                    str != bytes:
                dt = numpy.dtype('U{0}'.format(result.dtype.itemsize))
                result = numpy.require(numpy.char.array(result).decode(),
                                       dtype=dt)
            elif cdftype == const.CDF_EPOCH.value:
                result = lib.v_epoch_to_datetime(result)
            elif cdftype == const.CDF_EPOCH16.value:
                result = lib.v_epoch16_to_datetime(result)
            elif cdftype == const.CDF_TIME_TT2000.value:
                result = lib.v_tt2000_to_datetime(result)
        return result