'Compare the column attributes of ``col`` to this object.
The comparison attributes are: ``name``, ``unit``, ``dtype``,
``format``, ``description``, and ``meta``.
Parameters
col : Column
Comparison column
Returns
equal : boolean
True if all attributes are equal'

def attrs_equal(self, col):

    if (not isinstance(col, BaseColumn)):
        raise ValueError(u'Comparison    `col`    must    be    a    Column    or    MaskedColumn    object')
    attrs = (u'name', u'unit', u'dtype', u'format', u'description', u'meta')
    equal = all(((getattr(self, x) == getattr(col, x)) for x in attrs))
    return equal
