

def apply(self, query, value):
    if (value == '1'):
        flt = {
            ('%s' % self.column.name): None,
        }
    else:
        flt = {
            ('%s__ne' % self.column.name): None,
        }
    return query.filter(**flt)

dataset/ETHPy150Open mrjoes/flask-admin/flask_admin/contrib/mongoengine/filters.py FilterEmpty.apply/original