def create_column_family(self, keyspace, name, column_validation_classes=None, **cf_kwargs):

        self._conn.set_keyspace(keyspace)
        cfdef = CfDef()
        cfdef.keyspace = keyspace
        cfdef.name = name

        if cf_kwargs.pop('super', False):
            cf_kwargs.setdefault('column_type', 'Super')

        for k, v in cf_kwargs.iteritems():
            v = self._convert_class_attrs(k, v)
            setattr(cfdef, k, v)

        if column_validation_classes:
            for (colname, value_type) in column_validation_classes.items():
                cfdef = self._alter_column_cfdef(cfdef, colname, value_type)

        self._system_add_column_family(cfdef)
Creates a new column family in a given keyspace.  If a value is not
dataset/ETHPy150Open pycassa/pycassa/pycassa/system_manager.py/SystemManager.create_column_family