'Get all the scaling flags and factors for one column.'

def _get_scale_factors(self, column):

    _str = (column.format.format == 'A')
    _bool = (column.format.format == 'L')
    _number = (not (_bool or _str))
    bscale = column.bscale
    bzero = column.bzero
    _scale = (bscale not in ('', None, 1))
    _zero = (bzero not in ('', None, 0))
    if (not _scale):
        bscale = 1
    if (not _zero):
        bzero = 0
    dim = column._dims
    return (_str, _bool, _number, _scale, _zero, bscale, bzero, dim)
